import Qt 4.7
import QExtend 1.0


Canvas {

    width:600
    height:400
    color : Qt.rgba(0,0,0,1)
    onGeometryChanged: {initGLScene() }
    property double rx : 45
    property double ry : 45
    property double rz : 45
    function  initGLScene()
    {
            var gl = getContext3D()
            gl.beginGl()
                gl.defaultInit();
                gl.enable(GL.BLEND);
                gl.disable(GL.DEPTH_TEST);

                gl.viewport(0, 0,width, height);
                gl.matrixMode(GL.PROJECTION);
                gl.loadIdentity();
                gl.makePerspective(45.0, 1.*width/height, 0.1, 100.0);
                gl.matrixMode(GL.MODELVIEW);
                gl.loadIdentity();
                gl.bindTexture("./Glass.bmp")
    }

    Component.onCompleted: {



         //   initGLScene()



            QExtend.setInterval(function() {
                  var gl = getContext3D()
            gl.beginGl()
            gl.clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);

            gl.loadIdentity();

            gl.translate(0.0,0.0,-5.0);
            gl.rotate(rx,1.0,0.0,0.0);						// Rotate On The X Axis
            gl.rotate(ry,0.0,1.0,0.0);						// Rotate On The Y Axis
            gl.rotate(rz,0.0,0.0,1.0);

            gl.color4(1.0,1.0,1.0,0.5);			// Full Brightness, 50% Alpha ( NEW )
            gl.blendFunc(GL.SRC_ALPHA,GL.ONE);
            gl.begin(GL.QUADS);
                            // ront ace
                           gl.texCoord2(0.0, 0.0); gl.vertex3(-1.0, -1.0,  1.0);	// Bottom Let O The Texture and Quad
                           gl.texCoord2(1.0, 0.0); gl.vertex3( 1.0, -1.0,  1.0);	// Bottom Right O The Texture and Quad
                           gl.texCoord2(1.0, 1.0); gl.vertex3( 1.0,  1.0,  1.0);	// Top Right O The Texture and Quad
                           gl.texCoord2(0.0, 1.0); gl.vertex3(-1.0,  1.0,  1.0);	// Top Let O The Texture and Quad
                            // Back ace
                           gl.texCoord2(1.0, 0.0); gl.vertex3(-1.0, -1.0, -1.0);	// Bottom Right O The Texture and Quad
                           gl.texCoord2(1.0, 1.0); gl.vertex3(-1.0,  1.0, -1.0);	// Top Right O The Texture and Quad
                           gl.texCoord2(0.0, 1.0); gl.vertex3( 1.0,  1.0, -1.0);	// Top Let O The Texture and Quad
                           gl.texCoord2(0.0, 0.0); gl.vertex3( 1.0, -1.0, -1.0);	// Bottom Let O The Texture and Quad
                            // Top ace
                           gl.texCoord2(0.0, 1.0); gl.vertex3(-1.0,  1.0, -1.0);	// Top Let O The Texture and Quad
                           gl.texCoord2(0.0, 0.0); gl.vertex3(-1.0,  1.0,  1.0);	// Bottom Let O The Texture and Quad
                           gl.texCoord2(1.0, 0.0); gl.vertex3( 1.0,  1.0,  1.0);	// Bottom Right O The Texture and Quad
                           gl.texCoord2(1.0, 1.0); gl.vertex3( 1.0,  1.0, -1.0);	// Top Right O The Texture and Quad
                            // Bottom ace
                           gl.texCoord2(1.0, 1.0); gl.vertex3(-1.0, -1.0, -1.0);	// Top Right O The Texture and Quad
                           gl.texCoord2(0.0, 1.0); gl.vertex3( 1.0, -1.0, -1.0);	// Top Let O The Texture and Quad
                           gl.texCoord2(0.0, 0.0); gl.vertex3( 1.0, -1.0,  1.0);	// Bottom Let O The Texture and Quad
                           gl.texCoord2(1.0, 0.0); gl.vertex3(-1.0, -1.0,  1.0);	// Bottom Right O The Texture and Quad
                            // Right ace
                           gl.texCoord2(1.0, 0.0); gl.vertex3( 1.0, -1.0, -1.0);	// Bottom Right O The Texture and Quad
                           gl.texCoord2(1.0, 1.0); gl.vertex3( 1.0,  1.0, -1.0);	// Top Right O The Texture and Quad
                           gl.texCoord2(0.0, 1.0); gl.vertex3( 1.0,  1.0,  1.0);	// Top Let O The Texture and Quad
                           gl.texCoord2(0.0, 0.0); gl.vertex3( 1.0, -1.0,  1.0);	// Bottom Let O The Texture and Quad
                            // Let ace
                           gl.texCoord2(0.0, 0.0); gl.vertex3(-1.0, -1.0, -1.0);	// Bottom Let O The Texture and Quad
                           gl.texCoord2(1.0, 0.0); gl.vertex3(-1.0, -1.0,  1.0);	// Bottom Right O The Texture and Quad
                           gl.texCoord2(1.0, 1.0); gl.vertex3(-1.0,  1.0,  1.0);	// Top Right O The Texture and Quad
                           gl.texCoord2(0.0, 1.0); gl.vertex3(-1.0,  1.0, -1.0);	// Top Let O The Texture and Quad
                    gl.end();
            gl.endGl()
            rx+=0.3;
            ry+=0.2;
            rz+=0.4;

        },1);


    }

}