refactor

app/src/main/java/chess/view/DDDrender/Window.java

@@ -1,6 +1,5 @@
 package chess.view.DDDrender;
 
-import org.joml.Vector3f;
 import org.lwjgl.*;
 import org.lwjgl.glfw.*;
 import org.lwjgl.opengl.*;
@@ -11,7 +10,6 @@ import chess.controller.commands.GetPieceAtCommand;
 import chess.model.Coordinate;
 import chess.model.Piece;
 
-import java.io.IOException;
 import java.nio.*;
 
 import static org.lwjgl.glfw.Callbacks.*;
@@ -96,16 +94,11 @@ public class Window {
 		glfwShowWindow(window);
 	}
 
-	private void render() {
-		final float angle = 0.01f;
-		float x = cam.getPos().x();
-		float y = cam.getPos().z();
-		cam.setPosition(new Vector3f(x * (float) Math.cos(angle) - y * (float) Math.sin(angle), 1.0f,
-				x * (float) Math.sin(angle) + y * (float) Math.cos(angle)));
-		int width[] = new int[1];
-		int height[] = new int[1];
-		glfwGetWindowSize(window, width, height);
-		cam.setAspectRatio((float) width[0] / (float) height[0]);
+	private void render(float delta, float aspectRatio) {
+		final float angle = 1f;
+		cam.setRotateAngle(cam.getRotateAngle() + angle * delta);
+
+		cam.setAspectRatio(aspectRatio);
 		renderer.Render(cam);
 		renderPieces();
 	}
@@ -149,12 +142,20 @@ public class Window {
 
 		glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
 
+		double lastTime = glfwGetTime();
+
+		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();
+			double currentTime = glfwGetTime();
+			render((float) (currentTime - lastTime), (float) width[0] / (float) height[0]);
+			lastTime = glfwGetTime();
 
 			glfwSwapBuffers(window); // swap the color buffers
 
@@ -162,15 +163,9 @@ public class Window {
 			// invoked during this call.
 			glfwPollEvents();
 
-			try (MemoryStack stack = stackPush()) {
-				IntBuffer pWidth = stack.mallocInt(1); // int*
-				IntBuffer pHeight = stack.mallocInt(1); // int*
+			glfwGetWindowSize(window, width, height);
+			glViewport(0, 0, width[0], height[0]);
 
-				// Get the window size passed to glfwCreateWindow
-				glfwGetWindowSize(window, pWidth, pHeight);
-
-				glViewport(0, 0, pWidth.get(), pHeight.get());
-			} // the stack frame is popped automatically
 		}
 	}