imgui (#10)

Co-authored-by: Persson-dev <sim16.prib@gmail.com>
Reviewed-on: #10

app/src/main/java/chess/view/DDDrender/world/BoardEntity.java

@@ -2,6 +2,7 @@ package chess.view.DDDrender.world;
 
 import java.io.IOException;
 
+import org.joml.Matrix4f;
 import org.joml.Vector3f;
 
 import chess.model.Coordinate;
@@ -45,4 +46,9 @@ public class BoardEntity extends Entity {
 		vao.close();
 	}
 
+	@Override
+	public Matrix4f getTransform() {
+		return null;
+	}
+
 }

app/src/main/java/chess/view/DDDrender/world/Entity.java

@@ -2,10 +2,14 @@ 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();
+
 }

app/src/main/java/chess/view/DDDrender/world/ModelEntity.java

@@ -2,6 +2,7 @@ package chess.view.DDDrender.world;
 
 import java.io.IOException;
 
+import org.joml.Matrix4f;
 import org.joml.Vector3f;
 
 import chess.view.DDDrender.DDDModel;
@@ -14,20 +15,24 @@ public class ModelEntity extends Entity {
 	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, position, rotation);
+		renderer.Render(model, color, transform);
 	}
 
 	public void setPosition(Vector3f position) {
 		this.position = position;
+		updateTransform();
 	}
 
 	public void setColor(Vector3f color) {
@@ -36,6 +41,7 @@ public class ModelEntity extends Entity {
 
 	public void setRotation(float rotation) {
 		this.rotation = rotation;
+		updateTransform();
 	}
 
 	@Override
@@ -43,4 +49,13 @@ public class ModelEntity extends Entity {
 		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;
+	}
+
 }