package destr.jogl.pointer;

import javax.media.opengl.GL;
import javax.media.opengl.GL2;

public class VertixPointer extends Pointer {

	public VertixPointer(int id) {
		super(id);
	}
	
	public VertixPointer(GL gl) {
		super(gl);
	}

	protected int count;
	
	@Override
	public void load(GL gl, float[] data){
		count = data.length / 3;
		super.load(gl, data);
	}
	
	@Override
	public void bind(GL gl) {
		GL2 gl2 = gl.getGL2();
		gl2.glEnableClientState(GL2.GL_VERTEX_ARRAY);
		gl2.glBindBuffer(GL2.GL_ARRAY_BUFFER, this.id);
		gl2.glVertexPointer(3, this.glType, 0, 0);
	}

	@Override
	public void unBind(GL gl) {
		GL2 gl2 = gl.getGL2();
		gl2.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
		gl2.glDisableClientState(GL2.GL_VERTEX_ARRAY);
	}

	@Override
	protected int getUsage() {
		return GL2.GL_STATIC_DRAW;
	}

	public void draw(GL gl, int mode) {
		gl.glDrawArrays(mode, 0, count);
	}
	
	public void draw(GL gl) {
		gl.glDrawArrays(GL.GL_TRIANGLES, 0, count);
	}
}