SimpleCube.java

package com.godoro.androidopengl;

import java.nio.*;

import javax.microedition.khronos.opengles.*;

public class SimpleCube {

    private FloatBuffer vertexBuffer;
    private ByteBuffer indexBuffer;
    private FloatBuffer textureBuffer;

    private float vertexArray[] = {
            -1.0f, -1.0f, -1.0f,
            1.0f, -1.0f, -1.0f,
            1.0f, 1.0f, -1.0f,
            -1.0f, 1.0f, -1.0f,
            -1.0f, -1.0f, 1.0f,
            1.0f, -1.0f, 1.0f,
            1.0f, 1.0f, 1.0f,
            -1.0f, 1.0f, 1.0f
    };

    private byte indexArray[] = {
            0, 4, 5, 0, 5, 1,
            1, 5, 6, 1, 6, 2,
            2, 6, 7, 2, 7, 3,
            3, 7, 4, 3, 4, 0,
            4, 7, 6, 4, 6, 5,
            3, 0, 1, 3, 1, 2
    };



    private float[] colorRGBA={
            1.0f,
            0.5f,
            0.3f,
            1.0f};

    public SimpleCube() {
        vertexBuffer = SimpleUtilities.toFloatBuffer(vertexArray);
        indexBuffer = SimpleUtilities.toByteBuffer(indexArray);
    }

    public void draw(GL10 gl) {

        gl.glFrontFace(GL10.GL_CW);

        gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vertexBuffer);
        gl.glColor4f(colorRGBA[0],colorRGBA[1],colorRGBA[2],colorRGBA[3]);

        gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);

        gl.glDrawElements(GL10.GL_TRIANGLES, 36, GL10.GL_UNSIGNED_BYTE,
                indexBuffer);

        gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);
    }

}