org.easygl.opengl.primitives.VertexArrayObject.java Source code

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Here is the source code for org.easygl.opengl.primitives.VertexArrayObject.java

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package org.easygl.opengl.primitives;

import java.util.ArrayList;
import java.util.List;
import org.easygl.opengl.primitives.OpenGLUtils;
import org.lwjgl.opengl.GL30;

/**
 *
 * @author Renann
 */
public class VertexArrayObject {
    private final int id;
    private int lastVertexBufferObjectID;
    protected final List<AbstractVertexBufferObject<?>> vertexBufferObejctList;

    public VertexArrayObject() {
        this.id = OpenGLUtils.createVertexArrayObject();
        this.lastVertexBufferObjectID = 0;
        this.vertexBufferObejctList = new ArrayList<>();
    }

    protected final void bind() {
        GL30.glBindVertexArray(this.id);
    }

    protected final void unbind() {
        GL30.glBindVertexArray(0);
    }

    public final void addVertexBufferObject(AbstractVertexBufferObject<?> vbo) {
        this.bind();
        vbo.setAttributeID(this.lastVertexBufferObjectID++);
        this.vertexBufferObejctList.add(vbo);
        vbo.storeData();
        this.unbind();
    }

    public int getVertexBufferObjectQuantity() {
        return this.vertexBufferObejctList.size();
    }
}