merge branch 3dunstable

2025-05-17 15:58:36 +02:00
parent 17537e09c6 c80805fc66
commit b33e333276
39 changed files with 1814 additions and 244 deletions
--- a/app/src/main/java/chess/OpenGLMain.java
+++ b/app/src/main/java/chess/OpenGLMain.java
@@ -1,9 +1,21 @@
 package chess;

-import chess.view.DDDrender.Window;
+import chess.controller.CommandExecutor;
+import chess.controller.commands.NewGameCommand;
+import chess.model.Game;
+import chess.view.DDDrender.DDDView;

 public class OpenGLMain {
 	public static void main(String[] args) {
-        new Window().run();
+        Game game = new Game();
+        CommandExecutor commandExecutor = new CommandExecutor(game);
+
+        DDDView ddd = new DDDView(commandExecutor);
+        commandExecutor.addListener(ddd);
+        
+        commandExecutor.executeCommand(new NewGameCommand());
+
+        ddd.run();
+        commandExecutor.close();
    }
 }
--- a/app/src/main/java/chess/view/DDDrender/Camera.java
+++ b/app/src/main/java/chess/view/DDDrender/Camera.java
@@ -1,23 +1,29 @@
 package chess.view.DDDrender;

 import org.joml.Matrix4f;
+import org.joml.Vector2f;
 import org.joml.Vector3f;
+import org.joml.Vector4f;

 public class Camera {
    public static final float fov = 70.0f;
-    // should be changed to match screen
-    public static final float aspect = 1.0f;
    public static final float zNear = 0.01f;
-    public static final float zFar = 100.0f;
+    public static final float zFar = 1000.0f;
+
+    private static final Vector3f up = new Vector3f(0.0f, -1.0f, 0.0f);
+    private static final Vector3f center = new Vector3f(0.0f, 0.0f, 0.0f);
+
+    private final float distance = 1.5f;
+    private final float camHeight = 1.5f;
+
+    private float aspectRatio;
+    private float angle;

    private Vector3f pos;

-    private float yaw = 0.0f;
-    private float pitch = 0.0f;
-
    public Camera() {
-        this.pos = new Vector3f(0, 2.0f, 0);
-        setRotation(0.0f, -3.14150f / 2.0f);
+        this.pos = new Vector3f(0.0f, camHeight, 0.0f);
+        setRotateAngle(0.0f);
    }

    public void move(float x, float y) {
@@ -25,104 +31,56 @@ public class Camera {
        this.pos.y += y;
    }

-    public void rotate(float yaw, float pitch) {
-        this.yaw += yaw;
-        this.pitch += pitch;
+    public void setRotateAngle(float angle) {
+        this.angle = angle;
+        updatePostion();
+    }
+
+    private void updatePostion() {
+        final float finalX = (float) Math.sin(angle);
+        final float finalZ = (float) -Math.cos(angle);
+        this.pos.set(distance * finalX, this.pos.get(1), distance * finalZ);
+    }
+
+    public float getRotateAngle() {
+        return angle;
    }

    public Vector3f getPos() {
        return pos;
    }

-    public float getYaw() {
-        return yaw;
-    }
-
-    public float getPitch() {
-        return pitch;
-    }
-
    public float getFov() {
        return fov;
    }

-    public void setX(float x) {
-        this.pos.x = x;
+    public void setAspectRatio(float aspectRatio) {
+        this.aspectRatio = aspectRatio;
    }

-    public void setY(float y) {
-        this.pos.y = y;
+    public Matrix4f getPerspectiveMatrix() {
+        return new Matrix4f().perspective((float) (Math.toRadians(fov)), aspectRatio, zNear, zFar);
    }

-    public void setZ(float z) {
-        this.pos.z = z;
+    public Matrix4f getViewMatrix() {
+        return new Matrix4f().lookAt(pos, center, up);
    }

-    public void setYaw(float yaw) {
-        this.yaw = yaw;
-    }
+    public Vector2f getCursorWorldFloorPos(Vector2f screenPos, int windowWidth, int windowHeight) {
+        float relativeX = (screenPos.x / (float) windowWidth * 2.0f) - 1.0f;
+        float relativeY = 1.0f - (screenPos.y / (float) windowHeight * 2.0f);

-    public void setPitch(float pitch) {
-        this.pitch = pitch;
-    }
+        Vector4f rayClip = new Vector4f(relativeX, relativeY, -1.0f, 1.0f);

-    public void reset() {
-        resetPosition();
-        resetRotation();
-    }
+        Vector4f rayEye = getPerspectiveMatrix().invert().transform(rayClip);

-    public void resetPosition() {
-        pos = new Vector3f(0.0f, 0.0f, 0.0f);
-    }
+        rayEye = new Vector4f(rayEye.x, rayEye.y, -1.0f, 0.0f);

-    public void resetRotation() {
-        yaw = 0.0f;
-        pitch = 0.0f;
-    }
+        Vector4f rayWorld = getViewMatrix().invert().transform(rayEye);

-    public void moveForward(float distance) {
-        pos.x += distance * (float) Math.cos(yaw);
-        pos.y += distance * (float) Math.sin(yaw);
-    }
+        float lambda = -this.pos.y / rayWorld.y;

-    public void moveRight(float distance) {
-        pos.x += distance * (float) Math.cos(yaw);
-        pos.y += distance * (float) Math.sin(yaw);
-    }
-
-    public void moveUp(float distance) {
-        pos.z += distance;
-    }
-
-    public void moveDown(float distance) {
-        pos.z -= distance;
-    }
-
-    public void addYaw(float angle) {
-        yaw += angle;
-    }
-
-    public void addPitch(float angle) {
-        pitch += angle;
-    }
-
-    public void setPosition(Vector3f pos) {
-        this.pos = pos;
-    }
-
-    public void setRotation(float yaw, float pitch) {
-        this.yaw = yaw;
-        this.pitch = pitch;
-    }
-
-    public Matrix4f getMatrix() {
-        Vector3f forward = new Vector3f(
-                (float) (Math.cos(yaw) * Math.cos(pitch)),
-                (float) (Math.sin(pitch)),
-                (float) (Math.sin(yaw) * Math.cos(pitch)));
-
-        return new Matrix4f()
-                .perspective((float) (Math.toRadians(fov)), aspect, zNear, zFar)
-                .lookAt(pos, forward, new Vector3f(0.0f, 1.0f, 0.0f));
+        return new Vector2f(lambda * rayWorld.x + this.pos.x, lambda *
+                rayWorld.z + this.pos.z);
    }
 }
--- a/app/src/main/java/chess/view/DDDrender/DDDModel.java
+++ b/app/src/main/java/chess/view/DDDrender/DDDModel.java
@@ -0,0 +1,27 @@
+package chess.view.DDDrender;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.List;
+
+import chess.view.DDDrender.opengl.VertexArray;
+
+public class DDDModel implements Closeable {
+	private final List<VertexArray> vaos;
+
+	public DDDModel(List<VertexArray> vaos) {
+		this.vaos = vaos;
+	}
+
+	public List<VertexArray> getVaos() {
+		return vaos;
+	}
+
+	@Override
+	public void close() throws IOException {
+		for (VertexArray vertexArray : vaos) {
+			vertexArray.close();
+		}
+	}
+
+}
--- a/app/src/main/java/chess/view/DDDrender/DDDPlacement.java
+++ b/app/src/main/java/chess/view/DDDrender/DDDPlacement.java
@@ -0,0 +1,21 @@
+package chess.view.DDDrender;
+
+import org.joml.Vector2f;
+
+import chess.model.Coordinate;
+
+class DDDPlacement {
+	public static Vector2f coordinatesToVector(Coordinate coo) {
+		return coordinatesToVector(coo.getX(), coo.getY());
+	}
+
+	public static Vector2f coordinatesToVector(float x, float y) {
+		return new Vector2f(1.0f - 0.125f - x * 0.250f, 1.0f - 0.125f - y * 0.250f);
+	}
+
+	public static Coordinate vectorToCoordinates(Vector2f pos) {
+		int x = (int) ((1.0f - pos.x) * 4.0f);
+		int y = (int) ((1.0f - pos.y) * 4.0f);
+		return new Coordinate(x, y);
+	}
+}
--- a/app/src/main/java/chess/view/DDDrender/DDDView.java
+++ b/app/src/main/java/chess/view/DDDrender/DDDView.java
@@ -0,0 +1,419 @@
+package chess.view.DDDrender;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import chess.controller.commands.*;
+import imgui.ImGui;
+import imgui.type.ImBoolean;
+import org.joml.Vector2f;
+import org.joml.Vector3f;
+
+import chess.controller.Command;
+import chess.controller.Command.CommandResult;
+import chess.controller.CommandExecutor;
+import chess.controller.event.GameAdapter;
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
+import chess.model.Piece;
+import chess.view.DDDrender.world.BoardEntity;
+import chess.view.DDDrender.world.PieceEntity;
+import chess.view.DDDrender.world.World;
+
+public class DDDView extends GameAdapter {
+
+    private static final Vector3f BLACK = new Vector3f(0.3f, 0.3f, 0.3f);
+    private static final Vector3f WHITE = new Vector3f(1.0f, 1.0f, 1.0f);
+
+    private final CommandExecutor commandExecutor;
+    private final Window window;
+    private final World world;
+    private BoardEntity boardEntity;
+    private final Camera camera;
+    private Coordinate click = null;
+
+    private static final float animationTime = 1.5f; // in seconds
+    private static final int animationTurns = 1;
+
+    private float moveProgress = 0.0f;
+
+    private String waitingPopup = null;
+    private final ImBoolean popupOpened = new ImBoolean(false);
+
+    public DDDView(CommandExecutor commandExecutor) {
+        this.commandExecutor = commandExecutor;
+        this.world = new World();
+        this.camera = new Camera();
+        this.window = new Window(new Renderer(), this.world, this.camera);
+    }
+
+    private void cancelClick() {
+        this.click = null;
+    }
+
+    private void setClick(Coordinate coordinate) {
+        this.click = coordinate;
+    }
+
+    private CommandResult sendCommand(Command command) {
+        return this.commandExecutor.executeCommand(command);
+    }
+
+    // Invoked when a cell is clicked
+    private void onCellClick(Coordinate coordinate) {
+        if (this.click == null) { // case: first click
+            GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+            if (sendCommand(movesCommand) == CommandResult.NotAllowed) { // case: invalid piece to move
+                System.out.println("Nothing to do here.");
+                return;
+            }
+            List<Coordinate> allowedMoves = movesCommand.getDestinations();
+            if (allowedMoves.isEmpty()) { // case: no movement possible for piece
+                System.out.println("This piece cannot be moved at the moment.");
+                return;
+            }
+            setClick(coordinate);
+            previewMoves(coordinate);
+            System.out.println("First click on " + coordinate);
+            return;
+        }
+        // case: second click
+        GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(this.click);
+        if (sendCommand(movesCommand) == CommandResult.NotAllowed) { // case: invalid piece to move
+            cancelPreview(this.click);
+            System.out.println("Nothing to do here.");
+            cancelClick();
+            return;
+        }
+        List<Coordinate> allowedMoves = movesCommand.getDestinations();
+        if (allowedMoves.isEmpty()) { // case: no movement possible for piece
+            cancelPreview(this.click);
+            System.out.println("This piece cannot be moved at the moment.");
+            cancelClick();
+            return;
+        }
+        if (allowedMoves.contains(coordinate)) { // case: valid attempt to move
+            System.out.println("Move on " + coordinate);
+            cancelPreview(this.click);
+            Command.CommandResult result = sendCommand(new MoveCommand(new Move(click, coordinate)));
+            cancelClick();
+            return;
+        }
+        if (!(coordinate == this.click)) {
+            System.out.println("New click on " + coordinate); // cases: invalid move, selecting another piece
+            cancelPreview(this.click);
+            previewMoves(coordinate);
+            setClick(coordinate);
+            return;
+        }
+        System.out.println("Cancelling click."); // case: cancelling previous click
+        cancelClick();
+    }
+
+    private void previewMoves(Coordinate coordinate) {
+        Piece p = pieceAt(coordinate);
+        if (p == null) {
+            return;
+        }
+        GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+        if (sendCommand(movesCommand) == CommandResult.NotAllowed) {
+            return;
+        }
+        this.boardEntity.setCellColor(coordinate, new Vector3f(1, 0, 0));
+        this.world.getPiece(coordinate).setColor(new Vector3f(1, 0, 0));
+        List<Coordinate> allowedMoves = movesCommand.getDestinations();
+        if (allowedMoves.isEmpty())
+            return;
+        for (Coordinate destCoord : allowedMoves) {
+            this.boardEntity.setCellColor(destCoord, new Vector3f(1, 1, 0));
+        }
+    }
+
+    // Invoked when a cell is hovered
+    private void onCellEnter(Coordinate coordinate) {
+        if (this.click == null) {
+            // small test turning a cell red when hovered
+            this.boardEntity.setCellColor(coordinate, new Vector3f(1, 0, 0));
+            Piece p = pieceAt(coordinate);
+            if (p == null)
+                return;
+            this.world.getPiece(coordinate).setColor(new Vector3f(1, 0, 0));
+            GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+            if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+                return;
+            List<Coordinate> allowedMoves = movesCommand.getDestinations();
+            if (allowedMoves.isEmpty())
+                return;
+            for (Coordinate destCoord : allowedMoves) {
+                this.boardEntity.setCellColor(destCoord, new Vector3f(1, 0, 0));
+            }
+        }
+    }
+
+    // Invoked when a cell is not hovered anymore
+    private void onCellExit(Coordinate coordinate) {
+        if (this.click == null) {
+            this.boardEntity.resetCellColor(coordinate);
+            Piece p = pieceAt(coordinate);
+            if (p == null)
+                return;
+            PieceEntity pEntity = this.world.getPiece(coordinate);
+            if (pEntity == null)
+                return;
+
+            pEntity.setColor(p.getColor() == Color.White ? WHITE : BLACK);
+            GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+            if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+                return;
+            List<Coordinate> allowedMoves = movesCommand.getDestinations();
+            if (allowedMoves.isEmpty())
+                return;
+            for (Coordinate destCoord : allowedMoves) {
+                this.boardEntity.resetCellColor(destCoord);
+            }
+        }
+    }
+
+    private void cancelPreview(Coordinate coordinate) {
+        this.boardEntity.resetCellColor(coordinate);
+        Piece p = pieceAt(coordinate);
+        if (p == null)
+            return;
+        this.world.getPiece(coordinate).setColor(p.getColor() == Color.White ? WHITE : BLACK);
+        GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+        if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+            return;
+        List<Coordinate> allowedMoves = movesCommand.getDestinations();
+        if (allowedMoves.isEmpty())
+            return;
+        for (Coordinate destCoord : allowedMoves) {
+            this.boardEntity.resetCellColor(destCoord);
+        }
+    }
+
+    private Piece pieceAt(Coordinate pos) {
+        GetPieceAtCommand cmd = new GetPieceAtCommand(pos);
+        this.commandExecutor.executeCommand(cmd);
+        return cmd.getPiece();
+    }
+
+    @Override
+    public void onGameStart() {
+        this.window.scheduleTask(() -> {
+            try {
+                initBoard();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            // start listening to mouse events
+            this.window.OnCellClick.connect(this::onCellClick);
+            this.window.OnCellEnter.connect(this::onCellEnter);
+            this.window.OnCellExit.connect(this::onCellExit);
+            this.window.OnImGuiTopRender.connect(this::onHeaderRender);
+            this.window.OnImGuiBottomRender.connect(this::onFooterRender);
+        });
+    }
+
+    private void onHeaderRender() {
+        ImGui.text("FPS : " + (int) ImGui.getIO().getFramerate());
+    }
+
+    private void onFooterRender() {
+        if (ImGui.button("Roque")) {
+            sendCommand(new CastlingCommand(false));
+        }
+        ImGui.sameLine();
+        if (ImGui.button("Grand Roque")) {
+            sendCommand(new CastlingCommand(true));
+        }
+        ImGui.sameLine();
+        if (ImGui.button("Annuler le coup précédent")) {
+            sendCommand(new UndoCommand());
+        }
+        openPopup();
+        renderPopups();
+    }
+
+    private void openPopup() {
+        if (waitingPopup != null) {
+            ImGui.openPopup(waitingPopup);
+            waitingPopup = null;
+        }
+    }
+
+    private void initBoard() throws IOException {
+        for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
+            for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
+                Coordinate pos = new Coordinate(i, j);
+                Piece piece = pieceAt(pos);
+                if (piece == null)
+                    continue;
+
+                Vector2f pieceBoardPos = DDDPlacement.coordinatesToVector(pos);
+                Vector3f pieceWorldPos = new Vector3f(pieceBoardPos.x(), 0, pieceBoardPos.y());
+
+                PieceEntity entity = new PieceEntity(piece, pieceWorldPos,
+                        piece.getColor() == Color.White ? WHITE : BLACK,
+                        piece.getColor() == Color.White ? 0.0f : (float) Math.PI);
+
+                this.world.addPiece(entity, pos);
+            }
+        }
+        this.boardEntity = new BoardEntity();
+        this.world.addEntity(this.boardEntity);
+    }
+
+    /**
+     * @param begin  begin
+     * @param middle control point
+     * @param end    end
+     * @param t      between 0 and 1
+     * @return the point
+     */
+    private Vector3f bezierCurve(Vector3f begin, Vector3f middle, Vector3f end, float t) {
+        return begin.mul((1.0f - t) * (1.0f - t)).add(middle.mul(2.0f * t * (1.0f - t))).add(end.mul(t * t));
+    }
+
+    private Function<Float, Float> lagrangeInterpolation(Vector3f begin, Vector3f middle, Vector3f end) {
+        return (t) -> {
+            return t+1.0f;
+        };
+    }
+
+    private void pieceTick(float progress, PieceEntity piece, Move move) {
+        float height = 1; // how much the piece is raised
+        Vector2f pieceStartBoard = DDDPlacement.coordinatesToVector(move.getStart());
+        Vector2f pieceDestinationBoard = DDDPlacement.coordinatesToVector(move.getFinish());
+        Vector3f start = new Vector3f(pieceStartBoard.x(), 0, pieceStartBoard.y());
+        Vector3f top = new Vector3f(pieceDestinationBoard.x() - pieceStartBoard.x(), height, pieceDestinationBoard.y() - pieceStartBoard.y());
+        Vector3f end = new Vector3f(pieceDestinationBoard.x(), 0, pieceDestinationBoard.y());
+
+        piece.setPosition(bezierCurve(start, top, end, progress));
+    }
+
+    private void move3DPiece(Move move) {
+        Vector2f pieceDestBoardPos = DDDPlacement.coordinatesToVector(move.getFinish());
+        Vector3f pieceDestWorldPos = new Vector3f(pieceDestBoardPos.x(), 0, pieceDestBoardPos.y());
+
+        final PieceEntity pEntity = this.world.getPiece(move.getStart());
+        final Move pMove = move;
+
+        this.moveProgress = 0.0f;
+
+        Consumer<Float> moveConsumer = (delta) -> {
+            this.moveProgress += delta;
+            pieceTick(this.moveProgress, pEntity, pMove);
+        };
+
+        this.window.addRegularTask(moveConsumer);
+
+        try {
+            Thread.sleep(1000);
+        } catch (InterruptedException e) {
+        }
+        this.window.removeRegularTask(moveConsumer);
+
+        if (move.getDeadPieceCoords() != null) {
+            this.world.ejectPiece(move.getDeadPieceCoords());
+        }
+        pEntity.setPosition(pieceDestWorldPos);
+
+        this.world.movePiece(pEntity, move);
+    }
+
+    @Override
+    public void onMove(Move move, boolean captured) {
+        move3DPiece(move);
+        cameraRotate();
+    }
+
+    private void cameraTick(float delta) {
+        int oddAnimationTurn = (2 * (animationTurns - 1)) + 1;
+        final float angle = (float) Math.PI;
+        this.camera.setRotateAngle(this.camera.getRotateAngle() + angle * delta * oddAnimationTurn / animationTime);
+    }
+
+    private void cameraRotate() {
+        float end = this.camera.getRotateAngle() + (float) Math.PI;
+        Consumer<Float> rotationConsumer = this::cameraTick;
+        this.window.addRegularTask(rotationConsumer);
+        try {
+            Thread.sleep((long) (animationTime * 1000));
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+        this.window.removeRegularTask(rotationConsumer);
+        this.camera.setRotateAngle(end);
+    }
+
+    public void run() {
+        this.window.run();
+
+        // free OpenGL resources
+        try {
+            this.window.close();
+            this.world.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void renderPopup(String title, String text) {
+        if(ImGui.beginPopupModal(title, popupOpened)){
+            ImGui.text(text);
+            ImGui.endPopup();
+        }
+    }
+
+    private void renderPopups() {
+        renderPopup("Check","Your king is in check");
+        renderPopup("Checkmate", "Checkmate, it's a win!");
+        renderPopup("Promotion", "Please promote your pawn.");
+        renderPopup("Pat", "It's a pat!");
+        renderPopup("Tie", "It's a tie!");
+        renderPopup("White surrender", "The white player has surrendered!");
+        renderPopup("Black surrender", "The black player has surrendered!");
+        renderPopup("White victory", "The white player has won !");
+        renderPopup("Black victory", "The black player has won !");
+        renderPopup("End", "End of the game, thank you for playing!");
+    }
+
+    private void openPopup(String title) {
+        this.popupOpened.set(true);
+        this.waitingPopup = title;
+    }
+
+    @Override
+    public void onKingInCheck(){
+        openPopup("Check");
+    }
+
+    @Override
+    public void onDraw() {
+        openPopup("Tie");
+    }
+
+    @Override
+    public void onKingInMat() {
+        openPopup("Checkmate");
+    }
+
+    @Override
+    public void onGameEnd() {
+        openPopup("End");
+    }
+
+    @Override
+    public void onPatSituation() {
+        openPopup("Pat");
+    }
+
+    @Override
+    public void onSurrender(Color color) {
+        openPopup(color == Color.White ? "White surrender": "Black surrender");
+        openPopup(color == Color.White ? "Black victory" : "White victory");
+    }
+}
--- a/app/src/main/java/chess/view/DDDrender/Renderer.java
+++ b/app/src/main/java/chess/view/DDDrender/Renderer.java
@@ -2,123 +2,75 @@ package chess.view.DDDrender;

 import static org.lwjgl.opengl.GL11.GL_UNSIGNED_INT;

+import java.io.Closeable;
+import java.io.IOException;
+
+import org.joml.Matrix4f;
 import org.joml.Vector3f;
 import org.lwjgl.opengl.GL30;

+import chess.view.DDDrender.opengl.FrameBuffer;
+import chess.view.DDDrender.opengl.VertexArray;
 import chess.view.DDDrender.shader.BoardShader;
+import chess.view.DDDrender.shader.PieceShader;
+import chess.view.DDDrender.shader.ShaderProgram;

-public class Renderer {
-	private BoardShader shader;
-	private VertexArray vao;
-
-	private static int BOARD_WIDTH = 8;
-	private static int BOARD_HEIGHT = 8;
-	private static int BOARD_SIZE = BOARD_WIDTH * BOARD_HEIGHT;
-	private static int SQUARE_VERTEX_COUNT = 4;
+public class Renderer implements Closeable {
+	private BoardShader boardShader;
+	private PieceShader pieceShader;
+	private FrameBuffer frameBuffer;

 	public Renderer() {
-		this.shader = new BoardShader();
+		this.boardShader = new BoardShader();
+		this.pieceShader = new PieceShader();
 	}

-	public void Init() {
-		shader.LoadShader();
-		InitBoard();
+	public void Init(float windowWidth, float widowHeight) {
+		boardShader.LoadShader();
+		pieceShader.LoadShader();
+
+		this.frameBuffer = new FrameBuffer((int) windowWidth, (int) (widowHeight * 8.0f / 10.0f));
 	}

-	private float[] GetBoardPositions() {
-		float[] positions = new float[BOARD_SIZE * SQUARE_VERTEX_COUNT * 3];
-		for (int i = 0; i < BOARD_WIDTH; i++) {
-			for (int j = 0; j < BOARD_HEIGHT; j++) {
-				float x = i / (float) BOARD_WIDTH;
-				float dx = (i + 1) / (float) BOARD_WIDTH;
-				float z = j / (float) BOARD_HEIGHT;
-				float dz = (j + 1) / (float) BOARD_HEIGHT;
+	public void Update(Camera cam) {
+		this.boardShader.Start();
+		this.boardShader.SetCamMatrix(cam);
+		this.pieceShader.Start();
+		this.pieceShader.SetCamMatrix(cam);
+	}

-				float trueX = 2 * x - 1;
-				float trueZ = 2 * z - 1;
-				float trueDX = 2 * dx - 1;
-				float trueDZ = 2 * dz - 1;
+	public void Render(DDDModel model, Vector3f color, Matrix4f transform) {
+		this.pieceShader.Start();
+		this.pieceShader.setModelColor(color);
+		this.pieceShader.setModelTransform(transform);
+		Render(model);
+	}

-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3] = trueX;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 1] = 0.0f;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 2] = trueZ;
-
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 3] = trueDX;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 4] = 0.0f;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 5] = trueZ;
-
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 6] = trueX;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 7] = 0.0f;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 8] = trueDZ;
-
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 9] = trueDX;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 10] = 0.0f;
-				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 11] = trueDZ;
-			}
+	public void Render(DDDModel model) {
+		for (int i = 0; i < model.getVaos().size(); i++) {
+			VertexArray vao = model.getVaos().get(i);
+			RenderVao(this.pieceShader, vao);
 		}
-		return positions;
 	}

-	private float[] GetBoardColors() {
-		float[] colors = new float[BOARD_SIZE * SQUARE_VERTEX_COUNT * 3];
-		for (int i = 0; i < BOARD_WIDTH; i++) {
-			for (int j = 0; j < BOARD_HEIGHT; j++) {
-				Vector3f color;
-				if ((i + j) % 2 != 0) {
-					color = new Vector3f(1.0f, 1.0f, 1.0f);
-				} else {
-					color = new Vector3f(0.0f, 0.0f, 0.0f);
-				}
-				int squareIndex = i * BOARD_WIDTH + j;
-				for (int k = 0; k < SQUARE_VERTEX_COUNT; k++) {
-					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3] = color.x;
-					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3 + 1] = color.y;
-					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3 + 2] = color.z;
-				}
-			}
-		}
-		return colors;
-	}
-
-	private int[] GetBoardIndicies() {
-		int[] indices = new int[BOARD_SIZE * 6];
-		for (int i = 0; i < BOARD_SIZE; i++) {
-			indices[i * 6] = i * 4;
-			indices[i * 6 + 1] = i * 4 + 1;
-			indices[i * 6 + 2] = i * 4 + 2;
-			indices[i * 6 + 3] = i * 4 + 1;
-			indices[i * 6 + 4] = i * 4 + 2;
-			indices[i * 6 + 5] = i * 4 + 3;
-		}
-		return indices;
-	}
-
-	private void InitBoard() {
-		ElementBuffer eBuffer = new ElementBuffer(GetBoardIndicies());
-		this.vao = new VertexArray(eBuffer);
-
-		VertexBuffer positionBuffer = new VertexBuffer(GetBoardPositions(), 3);
-		positionBuffer.AddVertexAttribPointer(0, 3, 0);
-
-		VertexBuffer colorBuffer = new VertexBuffer(GetBoardColors(), 3);
-		colorBuffer.AddVertexAttribPointer(1, 3, 0);
-
-		this.vao.Bind();
-		this.vao.BindVertexBuffer(positionBuffer);
-		this.vao.BindVertexBuffer(colorBuffer);
-		this.vao.Unbind();
-	}
-
-	public void Render(Camera cam) {
-		this.shader.Start();
-		this.shader.SetCamMatrix(cam.getMatrix());
-		RenderVao(vao);
-	}
-
-	public void RenderVao(VertexArray vertexArray) {
-		this.shader.Start();
+	public void RenderVao(ShaderProgram shader, VertexArray vertexArray) {
+		shader.Start();
 		vertexArray.Bind();
 		GL30.glDrawElements(GL30.GL_TRIANGLES, vertexArray.GetVertexCount(), GL_UNSIGNED_INT, 0);
 		vertexArray.Unbind();
 	}
+
+	public FrameBuffer getFrameBuffer() {
+		return frameBuffer;
+	}
+
+	public BoardShader getBoardShader() {
+		return boardShader;
+	}
+
+	@Override
+	public void close() throws IOException {
+		this.boardShader.close();
+		this.pieceShader.close();
+	}
 }
--- a/app/src/main/java/chess/view/DDDrender/Window.java
+++ b/app/src/main/java/chess/view/DDDrender/Window.java
@@ -1,11 +1,35 @@
 package chess.view.DDDrender;

+import common.AssetManager;
+import common.Signal0;
+import org.joml.Vector2f;
 import org.lwjgl.*;
 import org.lwjgl.glfw.*;
 import org.lwjgl.opengl.*;
 import org.lwjgl.system.*;

+import chess.model.Coordinate;
+import chess.view.DDDrender.opengl.FrameBuffer;
+import chess.view.DDDrender.world.Entity;
+import chess.view.DDDrender.world.World;
+import common.Signal1;
+import imgui.ImFontConfig;
+import imgui.ImGui;
+import imgui.ImVec2;
+import imgui.flag.ImGuiWindowFlags;
+import imgui.gl3.ImGuiImplGl3;
+import imgui.glfw.ImGuiImplGlfw;
+import imgui.type.ImBoolean;
+import imgui.type.ImInt;
+
+import java.io.Closeable;
+import java.io.IOException;
 import java.nio.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedDeque;
+import java.util.function.Consumer;

 import static org.lwjgl.glfw.Callbacks.*;
 import static org.lwjgl.glfw.GLFW.*;
@@ -13,21 +37,53 @@ import static org.lwjgl.opengl.GL11.*;
 import static org.lwjgl.system.MemoryStack.*;
 import static org.lwjgl.system.MemoryUtil.*;

-public class Window {
+public class Window implements Closeable {

 	// The window handle
 	private long window;

-	private Renderer renderer;
-	private Camera cam;
+	private final ImGuiImplGl3 implGl3 = new ImGuiImplGl3();
+	private final ImGuiImplGlfw implGlfw = new ImGuiImplGlfw();

-	public Window() {
+	private Renderer renderer;
+	private final Camera cam;
+	private final World world;
+
+	private final Queue<Runnable> tasks;
+	private final List<Consumer<Float>> regularTasks;
+
+	private Coordinate lastCell = null;
+
+	public final Signal1<Coordinate> OnCellClick = new Signal1<>();
+	public final Signal1<Coordinate> OnCellEnter = new Signal1<>();
+	public final Signal1<Coordinate> OnCellExit = new Signal1<>();
+
+	public final Signal0 OnImGuiTopRender = new Signal0();
+	public final Signal0 OnImGuiBottomRender = new Signal0();
+
+	private ImInt detailLevel = new ImInt(10);
+	private ImBoolean pixelatedFrame = new ImBoolean(true);
+
+	public Window(Renderer renderer, World world, Camera camera) {
 		this.renderer = new Renderer();
-		this.cam = new Camera();
+		this.cam = camera;
+		this.tasks = new ConcurrentLinkedDeque<>();
+		this.world = world;
+		this.regularTasks = new ArrayList<>();
 	}

-	public static void main(String[] args) {
-		new Window().run();
+	public void addRegularTask(Consumer<Float> task) {
+		this.regularTasks.add(task);
+	}
+
+	public void removeRegularTask(Consumer<Float> task) {this.regularTasks.remove(task);}
+
+	public synchronized void scheduleTask(Runnable runnable) {
+		this.tasks.add(runnable);
+	}
+
+	public synchronized Runnable getNextTask() {
+		return this.tasks.poll();
 	}

 	public void run() {
@@ -43,6 +99,28 @@ public class Window {
 		// Terminate GLFW and free the error callback
 		glfwTerminate();
 		glfwSetErrorCallback(null).free();
+
+		implGl3.shutdown();
+		implGlfw.shutdown();
+
+		ImGui.destroyContext();
+	}
+
+	private void initImGui() {
+		ImGui.setCurrentContext(ImGui.createContext());
+
+		implGl3.init("#version 330");
+		implGlfw.init(window, true);
+
+		ImFontConfig config = new ImFontConfig();
+		config.setFontDataOwnedByAtlas(false);
+		try {
+			ImGui.getIO().getFonts().addFontFromMemoryTTF(AssetManager.getResource("fonts/comic.ttf").readAllBytes(),
+					50.0f, config);
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 	}

 	private void init() {
@@ -80,10 +158,19 @@ public class Window {
 					window,
 					(vidmode.width() - pWidth.get(0)) / 2,
 					(vidmode.height() - pHeight.get(0)) / 2);
+
+			glfwSetWindowSize(window, vidmode.width(), vidmode.height());
+			
+			// Make the OpenGL context current
+			glfwMakeContextCurrent(window);
+			
+			GL.createCapabilities();
+			
+			initImGui();
+			
+			renderer.Init(vidmode.width(), vidmode.height());
 		} // the stack frame is popped automatically

-		// Make the OpenGL context current
-		glfwMakeContextCurrent(window);
 		// Enable v-sync
 		glfwSwapInterval(1);

@@ -91,32 +178,117 @@ public class Window {
 		glfwShowWindow(window);
 	}

-	private void render() {
-		cam.rotate(0.01f, 0.01f);
-		renderer.Render(cam);
+	private void render(float delta, float aspectRatio) {
+		final FrameBuffer frameBuffer = this.renderer.getFrameBuffer();
+
+		cam.setAspectRatio(frameBuffer.getAspectRatio());
+		frameBuffer.Bind();
+		frameBuffer.Clear();
+		renderer.Update(cam);
+		renderWorld();
+		frameBuffer.Unbind();
+	}
+
+	private void renderWorld() {
+		for (Entity entity : this.world.getEntites()) {
+			entity.render(this.renderer);
+		}
+	}
+
+	private void executeTasks(float delta) {
+		Runnable task = getNextTask();
+		while (task != null) {
+			task.run();
+			task = getNextTask();
+		}
+		for (Consumer<Float> consumer : regularTasks) {
+			consumer.accept(delta);
+		}
+	}
+
+	private void checkCursor(float cursorPosX, float cursorPosY, int windowWidth, int windowHeight) {
+		Vector2f cursorPos = this.cam.getCursorWorldFloorPos(new Vector2f(cursorPosX, cursorPosY), windowWidth,
+				windowHeight);
+		Coordinate selectedCell = DDDPlacement.vectorToCoordinates(cursorPos);
+		if (this.lastCell == null) {
+			this.lastCell = selectedCell;
+			if (selectedCell.isValid())
+				this.OnCellEnter.emit(selectedCell);
+		} else if (!this.lastCell.equals(selectedCell)) {
+			if (this.lastCell.isValid())
+				this.OnCellExit.emit(this.lastCell);
+			if (selectedCell.isValid())
+				this.OnCellEnter.emit(selectedCell);
+			this.lastCell = selectedCell;
+		}
+
+		if (ImGui.getIO().getMouseClicked(0)) {
+			if (this.lastCell != null && this.lastCell.isValid())
+				this.OnCellClick.emit(this.lastCell);
+		}
+	}
+
+	private void newFrame() {
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear the framebuffer
+
+		implGlfw.newFrame();
+		implGl3.newFrame();
+		ImGui.newFrame();
+	}
+
+	private void renderWindow() {
+		ImGui.showDemoWindow();
+
+		final FrameBuffer frameBuffer = this.renderer.getFrameBuffer();
+		final int frameWidth = (int) ImGui.getIO().getDisplaySizeX();
+		final int frameHeight = (int) (ImGui.getIO().getDisplaySizeY() * 8.0f / 10.0f);
+
+		ImGui.setNextWindowSize(ImGui.getIO().getDisplaySize());
+		ImGui.setNextWindowPos(new ImVec2());
+		ImGui.begin("Main Window", ImGuiWindowFlags.NoDecoration);
+		this.OnImGuiTopRender.emit();
+		ImVec2 mousePos = ImGui.getIO().getMousePos();
+		ImVec2 framePos = ImGui.getCursorScreenPos();
+		checkCursor(mousePos.x - framePos.x, frameHeight - (mousePos.y - framePos.y), frameWidth, frameHeight);
+		ImGui.image(frameBuffer.getRenderTexture(), new ImVec2(frameWidth, frameHeight));
+		this.OnImGuiBottomRender.emit();
+		if(ImGui.sliderInt("Niveau de détail", detailLevel.getData(), 1, 10)){
+			frameBuffer.Resize((int) ((float) frameWidth * detailLevel.get() / 10.0f), (int) ((float) frameHeight * detailLevel.get() / 10.0f));
+		}
+		if (ImGui.checkbox("Minecraft", pixelatedFrame)) {
+			frameBuffer.SetPixelScaling(pixelatedFrame.get());
+		}
+		ImGui.end();
 	}

 	private void loop() {
-		// This line is critical for LWJGL's interoperation with GLFW's
-		// OpenGL context, or any context that is managed externally.
-		// LWJGL detects the context that is current in the current thread,
-		// creates the GLCapabilities instance and makes the OpenGL
-		// bindings available for use.
-		GL.createCapabilities();
-
-		renderer.Init();

 		// Set the clear color
-		glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+		glClearColor(0.4f, 0.4f, 0.6f, 1.0f);
+
+		glEnable(GL_DEPTH_TEST);
+
+		glEnable(GL_CULL_FACE);
+		glCullFace(GL_FRONT);
+		glFrontFace(GL_CW);

 		glColor4f(1.0f, 0.0f, 0.0f, 1.0f);

+		int width[] = new int[1];
+		int height[] = new int[1];
+		glfwGetWindowSize(window, width, height);
+
 		// Run the rendering loop until the user has attempted to close
 		// the window or has pressed the ESCAPE key.
 		while (!glfwWindowShouldClose(window)) {
-			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear the framebuffer

-			render();
+			newFrame();
+
+			render(ImGui.getIO().getDeltaTime(), (float) width[0] / (float) height[0]);
+
+			renderWindow();
+			ImGui.render();
+			implGl3.renderDrawData(ImGui.getDrawData());

 			glfwSwapBuffers(window); // swap the color buffers

@@ -124,16 +296,17 @@ public class Window {
 			// invoked during this call.
 			glfwPollEvents();

-			try (MemoryStack stack = stackPush()) {
-				IntBuffer pWidth = stack.mallocInt(1); // int*
-				IntBuffer pHeight = stack.mallocInt(1); // int*
+			executeTasks(ImGui.getIO().getDeltaTime());

-				// Get the window size passed to glfwCreateWindow
-				glfwGetWindowSize(window, pWidth, pHeight);
+			glfwGetWindowSize(window, width, height);
+			glViewport(0, 0, width[0], height[0]);

-				glViewport(0, 0, pWidth.get(), pHeight.get());
-			} // the stack frame is popped automatically
 		}
 	}

+	@Override
+	public void close() throws IOException {
+		this.renderer.close();
+	}
+
 }
--- a/app/src/main/java/chess/view/DDDrender/loader/BoardModelLoader.java
+++ b/app/src/main/java/chess/view/DDDrender/loader/BoardModelLoader.java
@@ -0,0 +1,98 @@
+package chess.view.DDDrender.loader;
+
+import org.joml.Vector3f;
+
+import chess.view.DDDrender.opengl.ElementBuffer;
+import chess.view.DDDrender.opengl.VertexArray;
+import chess.view.DDDrender.opengl.VertexBuffer;
+
+public class BoardModelLoader {
+
+	private static final int BOARD_WIDTH = 8;
+	private static final int BOARD_HEIGHT = 8;
+	private static final int BOARD_SIZE = BOARD_WIDTH * BOARD_HEIGHT;
+	private static final int SQUARE_VERTEX_COUNT = 4;
+
+	private static final Vector3f WHITE = new Vector3f(1, 1, 1);
+	private static final Vector3f BLACK = new Vector3f(0, 0, 0);
+	
+	private static float[] GetBoardPositions() {
+		float[] positions = new float[BOARD_SIZE * SQUARE_VERTEX_COUNT * 3];
+		for (int i = 0; i < BOARD_WIDTH; i++) {
+			for (int j = 0; j < BOARD_HEIGHT; j++) {
+				float x = i / (float) BOARD_WIDTH;
+				float dx = (i + 1) / (float) BOARD_WIDTH;
+				float z = j / (float) BOARD_HEIGHT;
+				float dz = (j + 1) / (float) BOARD_HEIGHT;
+
+				float trueX = 2 * x - 1;
+				float trueZ = 2 * z - 1;
+				float trueDX = 2 * dx - 1;
+				float trueDZ = 2 * dz - 1;
+
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3] = trueX;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 1] = 0.0f;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 2] = trueZ;
+
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 3] = trueDX;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 4] = 0.0f;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 5] = trueZ;
+
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 6] = trueX;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 7] = 0.0f;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 8] = trueDZ;
+
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 9] = trueDX;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 10] = 0.0f;
+				positions[(BOARD_WIDTH * i + j) * SQUARE_VERTEX_COUNT * 3 + 11] = trueDZ;
+			}
+		}
+		return positions;
+	}
+
+	private static float[] GetBoardColors() {
+		float[] colors = new float[BOARD_SIZE * SQUARE_VERTEX_COUNT * 3];
+		for (int i = 0; i < BOARD_WIDTH; i++) {
+			for (int j = 0; j < BOARD_HEIGHT; j++) {
+				Vector3f color = (i + j) % 2 == 0 ? WHITE : BLACK;
+				int squareIndex = i * BOARD_WIDTH + j;
+				for (int k = 0; k < SQUARE_VERTEX_COUNT; k++) {
+					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3] = color.x;
+					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3 + 1] = color.y;
+					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3 + 2] = color.z;
+				}
+			}
+		}
+		return colors;
+	}
+
+	private static int[] GetBoardIndicies() {
+		int[] indices = new int[BOARD_SIZE * 6];
+		for (int i = 0; i < BOARD_SIZE; i++) {
+			indices[i * 6] = i * 4;
+			indices[i * 6 + 1] = i * 4 + 2;
+			indices[i * 6 + 2] = i * 4 + 1;
+			indices[i * 6 + 3] = i * 4 + 1;
+			indices[i * 6 + 4] = i * 4 + 2;
+			indices[i * 6 + 5] = i * 4 + 3;
+		}
+		return indices;
+	}
+
+	public static VertexArray GetBoardModel() {
+		ElementBuffer eBuffer = new ElementBuffer(GetBoardIndicies());
+		VertexArray vao = new VertexArray(eBuffer);
+
+		VertexBuffer positionBuffer = new VertexBuffer(GetBoardPositions(), 3);
+		positionBuffer.AddVertexAttribPointer(0, 3, 0);
+
+		VertexBuffer colorBuffer = new VertexBuffer(GetBoardColors(), 3);
+		colorBuffer.AddVertexAttribPointer(1, 3, 0);
+
+		vao.Bind();
+		vao.BindVertexBuffer(positionBuffer);
+		vao.BindVertexBuffer(colorBuffer);
+		vao.Unbind();
+		return vao;
+	}
+}
--- a/app/src/main/java/chess/view/DDDrender/loader/ModelLoader.java
+++ b/app/src/main/java/chess/view/DDDrender/loader/ModelLoader.java
@@ -0,0 +1,130 @@
+package chess.view.DDDrender.loader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+import java.nio.IntBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.lwjgl.assimp.AIFace.Buffer;
+import org.lwjgl.assimp.AIMesh;
+import org.lwjgl.assimp.AINode;
+import org.lwjgl.assimp.AIScene;
+import org.lwjgl.assimp.AIVector3D;
+import org.lwjgl.assimp.Assimp;
+import org.lwjgl.system.MemoryUtil;
+
+import chess.view.DDDrender.DDDModel;
+import chess.view.DDDrender.opengl.ElementBuffer;
+import chess.view.DDDrender.opengl.VertexArray;
+import chess.view.DDDrender.opengl.VertexBuffer;
+import common.AssetManager;
+
+public class ModelLoader {
+
+	private static final int VERTEX_SIZE = 3;
+	private static final int VERTEX_POSITION_INDEX = 0;
+	private static final int VERTEX_NORMAL_INDEX = 1;
+
+	private static float[] toFloatArray(List<Float> list) {
+		float[] result = new float[list.size()];
+		for (int i = 0; i < list.size(); i++) {
+			result[i] = list.get(i);
+		}
+		return result;
+	}
+
+	private static int[] toIntArray(List<Integer> list) {
+		int[] result = new int[list.size()];
+		for (int i = 0; i < list.size(); i++) {
+			result[i] = list.get(i);
+		}
+		return result;
+	}
+
+	private static VertexArray processMesh(AIMesh mesh, AIScene scene) {
+		List<Float> positions = new ArrayList<>();
+		List<Float> normals = new ArrayList<>();
+
+		List<Integer> indicies = new ArrayList<>();
+
+		Buffer faces = mesh.mFaces();
+		int faceNumber = mesh.mNumFaces();
+
+		for (int i = 0; i < faceNumber; i++) {
+			IntBuffer faceIndicies = faces.get(i).mIndices();
+			for (int j = 0; j < faceIndicies.capacity(); j++) {
+				indicies.add(faceIndicies.get(j));
+			}
+		}
+
+		int vertNumber = mesh.mNumVertices();
+		org.lwjgl.assimp.AIVector3D.Buffer vertecies = mesh.mVertices();
+		for (int i = 0; i < vertNumber; i++) {
+			AIVector3D vertex = vertecies.get(i);
+			positions.add(vertex.x());
+			positions.add(vertex.y());
+			positions.add(vertex.z());
+		}
+
+		org.lwjgl.assimp.AIVector3D.Buffer vertexNormals = mesh.mNormals();
+		for (int i = 0; i < vertNumber; i++) {
+			AIVector3D normal = vertexNormals.get(i);
+			normals.add(normal.x());
+			normals.add(normal.y());
+			normals.add(normal.z());
+		}
+
+		VertexBuffer positionVBO = new VertexBuffer(toFloatArray(positions), VERTEX_SIZE);
+		positionVBO.AddVertexAttribPointer(VERTEX_POSITION_INDEX, VERTEX_SIZE, 0);
+		VertexBuffer normalVBO = new VertexBuffer(toFloatArray(normals), VERTEX_SIZE);
+		normalVBO.AddVertexAttribPointer(VERTEX_NORMAL_INDEX, VERTEX_SIZE, 0);
+
+		VertexArray vao = new VertexArray(new ElementBuffer(toIntArray(indicies)));
+		vao.Bind();
+		vao.BindVertexBuffer(positionVBO);
+		vao.BindVertexBuffer(normalVBO);
+		vao.Unbind();
+		return vao;
+
+	}
+
+	private static void processNode(AINode node, AIScene scene, List<VertexArray> meshes) {
+		for (int i = 0; i < node.mNumChildren(); i++) {
+			AINode child = AINode.create(node.mChildren().get(i));
+			processNode(child, scene, meshes);
+		}
+		for (int i = 0; i < node.mNumMeshes(); i++) {
+			AIMesh mesh = AIMesh.create(scene.mMeshes().get(node.mMeshes().get(i)));
+			meshes.add(processMesh(mesh, scene));
+		}
+	}
+
+	public static DDDModel loadModel(String filename) throws IOException {
+		InputStream input = AssetManager.getResource(filename);
+		byte[] buffer = input.readAllBytes();
+		ByteBuffer data = MemoryUtil.memCalloc(buffer.length);
+		data.put(buffer);
+		data.flip();
+
+		AIScene scene = Assimp.aiImportFileFromMemory(
+				data,
+				Assimp.aiProcess_Triangulate | Assimp.aiProcess_PreTransformVertices | Assimp.aiProcess_GlobalScale
+						| Assimp.aiProcess_ValidateDataStructure,
+				"");
+
+		if (scene == null)
+			System.err.println(Assimp.aiGetErrorString());
+
+		List<VertexArray> vertecies = new ArrayList<>();
+
+		processNode(scene.mRootNode(), scene, vertecies);
+
+		MemoryUtil.memFree(data);
+
+		return new DDDModel(vertecies);
+
+	}
+
+}
--- a/app/src/main/java/chess/view/DDDrender/loader/Piece3DModel.java
+++ b/app/src/main/java/chess/view/DDDrender/loader/Piece3DModel.java
@@ -0,0 +1,75 @@
+package chess.view.DDDrender.loader;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import chess.model.Color;
+import chess.model.Piece;
+import chess.model.PieceVisitor;
+import chess.model.pieces.Bishop;
+import chess.model.pieces.King;
+import chess.model.pieces.Knight;
+import chess.model.pieces.Pawn;
+import chess.model.pieces.Queen;
+import chess.model.pieces.Rook;
+import chess.view.DDDrender.DDDModel;
+
+public class Piece3DModel implements PieceVisitor<String> {
+
+	private static final String basePath = "3d/";
+	private static final Map<String, DDDModel> cache = new HashMap<>();
+
+	public DDDModel getModel(Piece piece) throws IOException {
+		if (piece == null)
+			return null;
+
+		String path = basePath + colorToString(piece.getColor()) + "-" + visit(piece) + ".fbx";
+		return getModel(path);
+	}
+
+	private DDDModel getModel(String path) throws IOException {
+		DDDModel model = cache.get(path);
+		if (model != null)
+			return model;
+
+		model = ModelLoader.loadModel(path);
+		cache.put(path, model);
+		return model;
+	}
+
+	private String colorToString(Color color) {
+		return color == Color.Black ? "black" : "white";
+	}
+
+	@Override
+	public String visitPiece(Bishop bishop) {
+		return "bishop";
+	}
+
+	@Override
+	public String visitPiece(King king) {
+		return "king";
+	}
+
+	@Override
+	public String visitPiece(Knight knight) {
+		return "knight";
+	}
+
+	@Override
+	public String visitPiece(Pawn pawn) {
+		return "pawn";
+	}
+
+	@Override
+	public String visitPiece(Queen queen) {
+		return "queen";
+	}
+
+	@Override
+	public String visitPiece(Rook rook) {
+		return "rook";
+	}
+
+}
--- a/app/src/main/java/chess/view/DDDrender/opengl/ElementBuffer.java
+++ b/app/src/main/java/chess/view/DDDrender/opengl/ElementBuffer.java
@@ -0,0 +1,37 @@
+package chess.view.DDDrender.opengl;
+
+import java.io.Closeable;
+import java.io.IOException;
+
+import org.lwjgl.opengl.GL30;
+
+public class ElementBuffer implements Closeable {
+	private final int id;
+	private final int indiciesCount;
+
+	public ElementBuffer(int[] indicies) {
+		this.indiciesCount = indicies.length;
+		this.id = GL30.glGenBuffers();
+		Bind();
+		GL30.glBufferData(GL30.GL_ELEMENT_ARRAY_BUFFER, indicies.length * 4, GL30.GL_STATIC_DRAW);
+		GL30.glBufferSubData(GL30.GL_ELEMENT_ARRAY_BUFFER, 0, indicies);
+		Unbind();
+	}
+
+	public void Bind() {
+		GL30.glBindBuffer(GL30.GL_ELEMENT_ARRAY_BUFFER, this.id);
+	}
+
+	public void Unbind() {
+		GL30.glBindBuffer(GL30.GL_ELEMENT_ARRAY_BUFFER, 0);
+	}
+
+	public int GetIndiciesCount() {
+		return this.indiciesCount;
+	}
+
+	@Override
+	public void close() throws IOException {
+		GL30.glDeleteBuffers(this.id);
+	}
+}
--- a/app/src/main/java/chess/view/DDDrender/opengl/FrameBuffer.java
+++ b/app/src/main/java/chess/view/DDDrender/opengl/FrameBuffer.java
@@ -0,0 +1,106 @@
+package chess.view.DDDrender.opengl;
+
+import static org.lwjgl.opengl.GL11.GL_COLOR_BUFFER_BIT;
+import static org.lwjgl.opengl.GL11.GL_DEPTH_BUFFER_BIT;
+import static org.lwjgl.opengl.GL11.GL_DEPTH_COMPONENT;
+import static org.lwjgl.opengl.GL11.GL_RGB;
+import static org.lwjgl.opengl.GL11.GL_TEXTURE_2D;
+import static org.lwjgl.opengl.GL11.GL_UNSIGNED_BYTE;
+import static org.lwjgl.opengl.GL11.glBindTexture;
+import static org.lwjgl.opengl.GL11.glClear;
+import static org.lwjgl.opengl.GL11.glTexImage2D;
+import static org.lwjgl.opengl.GL11.glViewport;
+
+import org.lwjgl.opengl.GL30;
+
+public class FrameBuffer {
+
+	private int fbo;
+	private int renderTexture;
+	private int depthBuffer;
+
+	private int width;
+	private int height;
+
+	public FrameBuffer(int width, int height) {
+		this.width = width;
+		this.height = height;
+		
+		// The frame buffer
+		this.fbo = GL30.glGenFramebuffers();
+		GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbo);
+
+		// The texture
+		this.renderTexture = GL30.glGenTextures();
+		glBindTexture(GL_TEXTURE_2D, renderTexture);
+
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+
+		GL30.glTexParameteri(GL_TEXTURE_2D, GL30.GL_TEXTURE_MAG_FILTER, GL30.GL_NEAREST);
+		GL30.glTexParameteri(GL_TEXTURE_2D, GL30.GL_TEXTURE_MIN_FILTER, GL30.GL_NEAREST);
+
+		// The depth buffer
+		this.depthBuffer = GL30.glGenRenderbuffers();
+		GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, depthBuffer);
+		GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
+		GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
+				depthBuffer);
+
+		// Set "renderedTexture" as our colour attachement #0
+		GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, renderTexture, 0);
+		// Set the list of draw buffers.
+		int[] drawBuffers = { GL30.GL_COLOR_ATTACHMENT0 };
+		GL30.glDrawBuffers(drawBuffers);
+	}
+
+	public void Bind() {
+		GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, this.fbo);
+		glViewport(0, 0, this.width, this.height);
+	}
+
+	public void Unbind() {
+		GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
+	}
+
+	public void Clear() {
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear the framebuffer
+	}
+	
+	public void Resize(int width, int height) {
+		this.width = width;
+		this.height = height;
+
+		GL30.glBindTexture(GL_TEXTURE_2D, this.renderTexture);
+
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, this.width, this.height, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+
+		GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, this.depthBuffer);
+		GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL_DEPTH_COMPONENT, this.width, this.height);
+	}
+
+	public void SetPixelScaling(boolean pixelated) {
+		glBindTexture(GL_TEXTURE_2D, renderTexture);
+
+		int method = pixelated ? GL30.GL_NEAREST : GL30.GL_LINEAR;
+
+		GL30.glTexParameteri(GL_TEXTURE_2D, GL30.GL_TEXTURE_MAG_FILTER, method);
+		GL30.glTexParameteri(GL_TEXTURE_2D, GL30.GL_TEXTURE_MIN_FILTER, method);
+	}
+
+	public float getAspectRatio() {
+		return (float) width / (float) height;
+	}
+
+	public int getWidth() {
+		return width;
+	}
+
+	public int getHeight() {
+		return height;
+	}
+
+	public int getRenderTexture() {
+		return renderTexture;
+	}
+
+}
--- a/app/src/main/java/chess/view/DDDrender/opengl/VertexArray.java
+++ b/app/src/main/java/chess/view/DDDrender/opengl/VertexArray.java
@@ -0,0 +1,59 @@
+package chess.view.DDDrender.opengl;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.lwjgl.opengl.GL30;
+
+public class VertexArray implements Closeable {
+
+	private final int id;
+	private final ElementBuffer elementBuffer;
+	private final List<VertexBuffer> vertexBuffers;
+
+	public VertexArray(ElementBuffer elementBuffer) {
+		this.id = GL30.glGenVertexArrays();
+		this.elementBuffer = elementBuffer;
+		this.vertexBuffers = new ArrayList<VertexBuffer>();
+		Bind();
+		BindElementArrayBuffer();
+		Unbind();
+	}
+
+	public int GetVertexCount() {
+		return this.elementBuffer.GetIndiciesCount();
+	}
+
+	public void BindVertexBuffer(VertexBuffer buffer) {
+		buffer.Bind();
+		buffer.BindVertexAttribs();
+		this.vertexBuffers.add(buffer);
+	}
+
+	public void Bind() {
+		GL30.glBindVertexArray(this.id);
+	}
+
+	public void Unbind() {
+		GL30.glBindVertexArray(0);
+	}
+
+	private void BindElementArrayBuffer() {
+		this.elementBuffer.Bind();
+	}
+
+	public List<VertexBuffer> getVertexBuffers() {
+		return vertexBuffers;
+	}
+
+	@Override
+	public void close() throws IOException {
+		GL30.glDeleteBuffers(this.id);
+		for (VertexBuffer vertexBuffer : vertexBuffers) {
+			vertexBuffer.close();
+		}
+		elementBuffer.close();
+	}
+}
--- a/app/src/main/java/chess/view/DDDrender/opengl/VertexAttribPointer.java
+++ b/app/src/main/java/chess/view/DDDrender/opengl/VertexAttribPointer.java
@@ -0,0 +1,5 @@
+package chess.view.DDDrender.opengl;
+
+public record VertexAttribPointer(int index, int size, int offset) {
+	
+}
--- a/app/src/main/java/chess/view/DDDrender/opengl/VertexBuffer.java
+++ b/app/src/main/java/chess/view/DDDrender/opengl/VertexBuffer.java
@@ -0,0 +1,58 @@
+package chess.view.DDDrender.opengl;
+
+import static org.lwjgl.opengl.GL11.GL_FLOAT;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.lwjgl.opengl.GL30;
+
+public class VertexBuffer implements Closeable {
+	private final int id;
+	private final int dataStride;
+	private final List<VertexAttribPointer> vertexAttribs;
+
+	public VertexBuffer(float[] data, int stride) {
+		this.id = GL30.glGenBuffers();
+		this.dataStride = stride;
+		this.vertexAttribs = new ArrayList<VertexAttribPointer>();
+		Bind();
+		GL30.glBufferData(GL30.GL_ARRAY_BUFFER, data.length * 4, GL30.GL_STATIC_DRAW);
+		GL30.glBufferSubData(GL30.GL_ARRAY_BUFFER, 0, data);
+		Unbind();
+	}
+
+	public void UpdateData(int offset, float[] data) {
+		Bind();
+		GL30.glBufferSubData(GL30.GL_ARRAY_BUFFER, offset, data);
+		Unbind();
+	}
+
+	public void Bind() {
+		GL30.glBindBuffer(GL30.GL_ARRAY_BUFFER, this.id);
+	}
+
+	public void Unbind() {
+		GL30.glBindBuffer(GL30.GL_ARRAY_BUFFER, 0);
+	}
+
+	public void AddVertexAttribPointer(int index, int coordinateSize, int offset) {
+		VertexAttribPointer pointer = new VertexAttribPointer(index, coordinateSize, offset);
+		this.vertexAttribs.add(pointer);
+	}
+
+	public void BindVertexAttribs() {
+		for (VertexAttribPointer vertexAttribPointer : vertexAttribs) {
+			GL30.glEnableVertexAttribArray(vertexAttribPointer.index());
+			GL30.glVertexAttribPointer(vertexAttribPointer.index(), vertexAttribPointer.size(), GL_FLOAT, false,
+					this.dataStride * 4, vertexAttribPointer.offset());
+		}
+	}
+
+	@Override
+	public void close() throws IOException {
+		GL30.glDeleteBuffers(id);
+	}
+}
--- a/app/src/main/java/chess/view/DDDrender/shader/BoardShader.java
+++ b/app/src/main/java/chess/view/DDDrender/shader/BoardShader.java
@@ -1,6 +1,6 @@
 package chess.view.DDDrender.shader;

-import org.joml.Matrix4f;
+import chess.view.DDDrender.Camera;

 public class BoardShader extends ShaderProgram {

@@ -10,14 +10,31 @@ public class BoardShader extends ShaderProgram {
 			layout(location = 0) in vec3 position;
 			layout(location = 1) in vec3 color;

-			uniform mat4 camMatrix;
+			uniform mat4 viewMatrix;
+			uniform mat4 projectionMatrix;
+			uniform vec3 lightPosition = vec3(0, 10, 0);

 			flat out vec3 pass_color;

+			out vec3 toLightVector;
+			out vec3 toCameraVector;
+			out vec3 surfaceNormal;
+
 			void main(void){
-				gl_Position = camMatrix * vec4(position, 1.0);
+				const vec4 normal = vec4(0.0, 1.0, 0.0, 1.0);
+
+				gl_Position = projectionMatrix * viewMatrix * vec4(position, 1.0);
+
+				vec3 camPos = (inverse(viewMatrix) * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
+
+				toLightVector = lightPosition - position;
+
+				toCameraVector = camPos - position;
+				surfaceNormal = (normal).xyz;
+
 				pass_color = color;
 			}
+
 				""";

 	private static String fragmentShader = """
@@ -25,14 +42,44 @@ public class BoardShader extends ShaderProgram {

 			flat in vec3 pass_color;

-			out vec4 out_color;
+			in vec3 toLightVector;
+			in vec3 toCameraVector;
+			in vec3 surfaceNormal;
+
+			layout(location = 0) out vec4 out_color;

 			void main(void){
-				out_color = vec4(pass_color, 1.0);
+				const float shineDamper = 10.0;
+				const float reflectivity = 1.0;
+
+				float lightDistance = length(toLightVector);
+
+				const vec3 attenuation = vec3(0.2, 0.1, 0.0);
+				float attenuationFactor = attenuation.x + attenuation.y * lightDistance + attenuation.z * lightDistance * lightDistance;
+
+				vec3 unitNormal = normalize(surfaceNormal);
+				vec3 unitLightVector = normalize(toLightVector);
+				vec3 unitCamVector = normalize(toCameraVector);
+
+				vec3 lightDirection = -unitLightVector;
+				vec3 reflectedLightDirection = reflect(lightDirection, unitNormal);
+
+				float diffuse = max(0.2, dot(unitNormal, unitLightVector));
+
+				float specularFactor = max(0.0, dot(reflectedLightDirection, unitCamVector));
+				float specular = pow(specularFactor, shineDamper) * reflectivity;
+
+				float brightness = (diffuse + specular) / attenuationFactor;
+
+				out_color = brightness * vec4(pass_color, 1.0);
+				out_color.w = 1.0;
+
 			}
+
 				""";

-	private int location_CamMatrix = 0;
+	private int location_ProjectionMatrix = 0;
+	private int location_ViewMatrix = 0;

 	public BoardShader() {

@@ -44,10 +91,12 @@ public class BoardShader extends ShaderProgram {

 	@Override
 	protected void GetAllUniformLocation() {
-		location_CamMatrix = GetUniformLocation("camMatrix");
+		location_ProjectionMatrix = GetUniformLocation("projectionMatrix");
+		location_ViewMatrix = GetUniformLocation("viewMatrix");
 	}

-	public void SetCamMatrix(Matrix4f mat) {
-		LoadMat4(location_CamMatrix, mat);
+	public void SetCamMatrix(Camera camera) {
+		LoadMat4(location_ProjectionMatrix, camera.getPerspectiveMatrix());
+		LoadMat4(location_ViewMatrix, camera.getViewMatrix());
 	}
 }
--- a/app/src/main/java/chess/view/DDDrender/shader/PieceShader.java
+++ b/app/src/main/java/chess/view/DDDrender/shader/PieceShader.java
@@ -0,0 +1,116 @@
+package chess.view.DDDrender.shader;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+
+import chess.view.DDDrender.Camera;
+
+public class PieceShader extends ShaderProgram {
+
+	private static String vertexShader = """
+			#version 330
+
+			layout(location = 0) in vec3 position;
+			layout(location = 1) in vec3 normal;
+
+			uniform mat4 projectionMatrix;
+			uniform mat4 viewMatrix;
+			uniform mat4 modelTransform;
+			uniform vec3 lightPosition = vec3(0, 10, 0);
+
+			out vec3 toLightVector;
+			out vec3 toCameraVector;
+			out vec3 surfaceNormal;
+
+			void main(void){
+
+				vec4 modelPos = modelTransform * vec4(position, 1.0);
+				vec4 globalNormal = modelTransform * vec4(normal, 1.0);
+
+				gl_Position = projectionMatrix * viewMatrix * modelPos;
+
+				vec3 camPos = (inverse(viewMatrix) * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
+
+				toLightVector = lightPosition - modelPos.xyz;
+
+				toCameraVector = camPos - position;
+				surfaceNormal = normalize(globalNormal.xyz);
+			}
+
+				""";
+
+	private static String fragmentShader = """
+			#version 330
+
+			in vec3 toLightVector;
+			in vec3 toCameraVector;
+			in vec3 surfaceNormal;
+
+			uniform vec3 modelColor;
+
+			layout(location = 0) out vec4 out_color;
+
+			void main(void){
+				const float shineDamper = 10.0;
+				const float reflectivity = 1.0;
+
+				float lightDistance = length(toLightVector);
+
+				const vec3 attenuation = vec3(0.2, 0.1, 0.0);
+				float attenuationFactor = attenuation.x + attenuation.y * lightDistance + attenuation.z * lightDistance * lightDistance;
+
+				vec3 unitNormal = normalize(surfaceNormal);
+				vec3 unitLightVector = normalize(toLightVector);
+				vec3 unitCamVector = normalize(toCameraVector);
+
+				vec3 lightDirection = -unitLightVector;
+				vec3 reflectedLightDirection = reflect(lightDirection, unitNormal);
+
+				float diffuse = max(0.2, dot(unitNormal, unitLightVector));
+
+				float specularFactor = max(0.0, dot(reflectedLightDirection, unitCamVector));
+				float specular = pow(specularFactor, shineDamper) * reflectivity;
+
+				float brightness = (diffuse + specular) / attenuationFactor;
+
+				out_color = brightness * vec4(modelColor, 1.0);
+				out_color.w = 1.0;
+
+			}
+
+				""";
+
+	private int location_ProjectionMatrix = 0;
+	private int location_ViewMatrix = 0;
+	private int location_ModelTransform = 0;
+	private int location_ModelColor = 0;
+
+	public PieceShader() {
+
+	}
+
+	public void LoadShader() {
+		super.LoadProgram(vertexShader, fragmentShader);
+	}
+
+	@Override
+	protected void GetAllUniformLocation() {
+		location_ProjectionMatrix = GetUniformLocation("projectionMatrix");
+		location_ViewMatrix = GetUniformLocation("viewMatrix");
+		location_ModelTransform = GetUniformLocation("modelTransform");
+		location_ModelColor = GetUniformLocation("modelColor");
+	}
+
+	public void SetCamMatrix(Camera camera) {
+		LoadMat4(location_ProjectionMatrix, camera.getPerspectiveMatrix());
+		LoadMat4(location_ViewMatrix, camera.getViewMatrix());
+	}
+
+	public void setModelTransform(Matrix4f mat) {
+		LoadMat4(location_ModelTransform, mat);
+	}
+
+	public void setModelColor(Vector3f color) {
+		LoadVector(location_ModelColor, color);
+	}
+}
--- a/app/src/main/java/chess/view/DDDrender/shader/ShaderProgram.java
+++ b/app/src/main/java/chess/view/DDDrender/shader/ShaderProgram.java
@@ -1,5 +1,7 @@
 package chess.view.DDDrender.shader;

+import java.io.Closeable;
+import java.io.IOException;
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;

@@ -9,7 +11,7 @@ import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.GL30;
 import org.lwjgl.system.MemoryStack;

-public abstract class ShaderProgram {
+public abstract class ShaderProgram implements Closeable {
 	private int programId;
 	private int vertexShaderId;
 	private int fragmentShaderId;
@@ -56,8 +58,8 @@ public abstract class ShaderProgram {

 		if (compileSuccesful.get() != 1) {
 			System.out.println("Shader did not compile !");
+			System.err.println(GL30.glGetShaderInfoLog(shaderId));
 			return -1;
-
 		}

 		return shaderId;
@@ -68,7 +70,7 @@ public abstract class ShaderProgram {
 	protected int GetUniformLocation(String uniformName) {
 		int location = GL30.glGetUniformLocation(programId, uniformName);
 		if (location == -1) {
-			System.out.println("Uniform value not found !");
+			System.out.println("Uniform value \"" + uniformName + "\" not found !");
 		}
 		return location;
 	}
@@ -91,4 +93,11 @@ public abstract class ShaderProgram {
 			GL30.glUniformMatrix4fv(location, false, buffer);
 		}
 	}
+
+	@Override
+	public void close() throws IOException {
+		GL30.glDeleteShader(vertexShaderId);
+		GL30.glDeleteShader(fragmentShaderId);
+		GL30.glDeleteProgram(programId);
+	}
 }
--- a/app/src/main/java/chess/view/DDDrender/world/BoardEntity.java
+++ b/app/src/main/java/chess/view/DDDrender/world/BoardEntity.java
@@ -0,0 +1,54 @@
+package chess.view.DDDrender.world;
+
+import java.io.IOException;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+
+import chess.model.Coordinate;
+import chess.view.DDDrender.Renderer;
+import chess.view.DDDrender.loader.BoardModelLoader;
+import chess.view.DDDrender.opengl.VertexArray;
+import chess.view.DDDrender.opengl.VertexBuffer;
+
+public class BoardEntity extends Entity {
+
+	private final VertexArray vao;
+	private final VertexBuffer colorVbo;
+
+	private static final Vector3f WHITE = new Vector3f(1, 1, 1);
+	private static final Vector3f BLACK = new Vector3f(0, 0, 0);
+
+	public BoardEntity() {
+		this.vao = BoardModelLoader.GetBoardModel();
+		this.colorVbo = this.vao.getVertexBuffers().get(1);
+	}
+
+	public void setCellColor(Coordinate coord, Vector3f color) {
+		float[] data = { color.x, color.y, color.z, color.x, color.y, color.z, color.x, color.y, color.z, color.x,
+				color.y, color.z};
+		int cellNumber = (Coordinate.VALUE_MAX - 1 - coord.getX()) * Coordinate.VALUE_MAX + Coordinate.VALUE_MAX - 1 - coord.getY();
+		int offset = cellNumber * 4 * 4 * 3;
+		this.colorVbo.UpdateData(offset, data);
+	}
+
+	public void resetCellColor(Coordinate coord) {
+		setCellColor(coord, (coord.getX() + coord.getY()) % 2 == 0 ? WHITE : BLACK);
+	}
+
+	@Override
+	public void render(Renderer renderer) {
+		renderer.RenderVao(renderer.getBoardShader(), vao);
+	}
+
+	@Override
+	public void close() throws IOException {
+		vao.close();
+	}
+
+	@Override
+	public Matrix4f getTransform() {
+		return null;
+	}
+
+}
--- a/app/src/main/java/chess/view/DDDrender/world/Entity.java
+++ b/app/src/main/java/chess/view/DDDrender/world/Entity.java
@@ -0,0 +1,15 @@
+package chess.view.DDDrender.world;
+
+import java.io.Closeable;
+
+import org.joml.Matrix4f;
+
+import chess.view.DDDrender.Renderer;
+
+public abstract class Entity implements Closeable{
+
+	public abstract void render(Renderer renderer);
+
+	public abstract Matrix4f getTransform();
+
+}
--- a/app/src/main/java/chess/view/DDDrender/world/ModelEntity.java
+++ b/app/src/main/java/chess/view/DDDrender/world/ModelEntity.java
@@ -0,0 +1,61 @@
+package chess.view.DDDrender.world;
+
+import java.io.IOException;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+
+import chess.view.DDDrender.DDDModel;
+import chess.view.DDDrender.Renderer;
+
+public class ModelEntity extends Entity {
+
+	protected Vector3f position;
+	protected Vector3f color;
+	protected float rotation;
+	protected DDDModel model;
+
+	private Matrix4f transform;
+
+	public ModelEntity(DDDModel model, Vector3f position, Vector3f color, float rotation) {
+		this.position = position;
+		this.color = color;
+		this.rotation = rotation;
+		this.model = model;
+		updateTransform();
+	}
+
+	@Override
+	public void render(Renderer renderer) {
+		renderer.Render(model, color, transform);
+	}
+
+	public void setPosition(Vector3f position) {
+		this.position = position;
+		updateTransform();
+	}
+
+	public void setColor(Vector3f color) {
+		this.color = color;
+	}
+
+	public void setRotation(float rotation) {
+		this.rotation = rotation;
+		updateTransform();
+	}
+
+	@Override
+	public void close() throws IOException {
+		this.model.close();
+	}
+
+	private void updateTransform() {
+		this.transform = new Matrix4f().translate(this.position).rotate(this.rotation, new Vector3f(0, 1, 0));
+	}
+
+	@Override
+	public Matrix4f getTransform() {
+		return transform;
+	}
+
+}
--- a/app/src/main/java/chess/view/DDDrender/world/PieceEntity.java
+++ b/app/src/main/java/chess/view/DDDrender/world/PieceEntity.java
@@ -0,0 +1,25 @@
+package chess.view.DDDrender.world;
+
+import java.io.IOException;
+
+import org.joml.Vector3f;
+
+import chess.model.Piece;
+import chess.view.DDDrender.loader.Piece3DModel;
+
+public class PieceEntity extends ModelEntity {
+
+	private static final Piece3DModel modelLoader = new Piece3DModel();
+
+	private final Piece piece;
+
+	public PieceEntity(Piece piece, Vector3f position, Vector3f color, float rotation) throws IOException {
+		super(modelLoader.getModel(piece), position, color, rotation);
+		this.piece = piece;
+	}
+
+	public Piece getPiece() {
+		return piece;
+	}
+	
+}
--- a/app/src/main/java/chess/view/DDDrender/world/World.java
+++ b/app/src/main/java/chess/view/DDDrender/world/World.java
@@ -0,0 +1,74 @@
+package chess.view.DDDrender.world;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import chess.model.Coordinate;
+import chess.model.Move;
+import chess.model.Piece;
+
+public class World implements Closeable{
+	/** Renderable entity list */
+	private final List<Entity> entites;
+
+	/** provides fast access to 3d pieces */
+	private final PieceEntity[] pieces;
+
+	public World() {
+		this.entites = new ArrayList<>();
+		this.pieces = new PieceEntity[Coordinate.VALUE_MAX * Coordinate.VALUE_MAX];
+	}
+
+	public PieceEntity getEntity(Piece piece) {
+		for (Entity entity : entites) {
+			if (entity instanceof PieceEntity p) {
+				if (p.getPiece() == piece)
+					return p;
+			}
+		}
+		return null;
+	}
+
+	public void addPiece(PieceEntity entity, Coordinate coordinate) {
+		addEntity(entity);
+		setPieceCoords(entity, coordinate);
+	}
+
+	private void setPieceCoords(PieceEntity entity, Coordinate coordinate) {
+		pieces[coordinate.toIndex()] = entity;
+	}
+	
+	public void movePiece(PieceEntity entity, Move move) {
+		setPieceCoords(entity, move.getFinish());
+		setPieceCoords(null, move.getStart());
+	}
+
+	public void ejectPiece(Coordinate coordinate) {
+		PieceEntity entity = getPiece(coordinate);
+		if (entity != null)
+			this.entites.remove(entity);
+		setPieceCoords(null, coordinate);
+	}
+
+	public PieceEntity getPiece(Coordinate coordinate) {
+		return pieces[coordinate.toIndex()];
+	}
+
+	public void addEntity(Entity entity) {
+		this.entites.add(entity);
+	}
+
+	public List<Entity> getEntites() {
+		return entites;
+	}
+
+	@Override
+	public void close() throws IOException {
+		for (Entity entity : entites) {
+			entity.close();
+		}
+	}
+
+}