free opengl resources

app/src/main/java/chess/view/DDDrender/opengl/VertexArray.java

@@ -1,14 +1,17 @@
 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 {
-	private int id;
-	private ElementBuffer elementBuffer;
-	private List<VertexBuffer> vertexBuffers;
+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();
@@ -19,10 +22,6 @@ public class VertexArray {
 		Unbind();
 	}
 
-	public void Destroy() {
-		GL30.glDeleteBuffers(this.id);
-	}
-
 	public int GetVertexCount() {
 		return this.elementBuffer.GetIndiciesCount();
 	}
@@ -48,4 +47,13 @@ public class VertexArray {
 	public List<VertexBuffer> getVertexBuffers() {
 		return vertexBuffers;
 	}
+
+	@Override
+	public void close() throws IOException {
+		GL30.glDeleteBuffers(this.id);
+		for (VertexBuffer vertexBuffer : vertexBuffers) {
+			vertexBuffer.close();
+		}
+		elementBuffer.close();
+	}
 }