import Qt 4.7
import QExtend 1.0


Canvas {

    width:800
    height:600
    color : Qt.rgba(.1,0,0,1)

    property double t: 0
    function  initGLScene()
    {
            var gl = getContext3D()
            gl.beginGl()
                gl.defaultInit();

                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();

    }
    onTChanged: {
        var gl = getContext3D()
        gl.beginGl()
        gl.clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);

        gl.loadIdentity();

        gl.translate(-1.5, 0.0, -6.0);
        gl.rotate(t *90,0.0,1.0,0.0);
        gl.begin(GL.TRIANGLES);
            gl.color3(1.0,0.0,0.0);
            gl.vertex3( 0.0, 1.0, 0.0);
            gl.color3(0.0,1.0,0.0);
            gl.vertex3(-1.0,-1.0, 0.0);
            gl.color3(0.0,0.0,1.0);
            gl.vertex3( 1.0,-1.0, 0.0);
        gl.end();

        gl.loadIdentity();					// Reset The Current Modelview Matrix
        gl.translate(1.5,0.0,-6.0);				// Move Right 1.5 Units And Into The Screen 6.0
        gl.rotate(t * 80,1.0,0.0,0.0);
        gl.color3(0.5,0.5,1.0);
        gl.begin(GL.QUADS);
            gl.vertex3(-1.0, 1.0, 0.0);
            gl.vertex3( 1.0, 1.0, 0.0);
            gl.vertex3( 1.0,-1.0, 0.0);
            gl.vertex3(-1.0,-1.0, 0.0);
         gl.end();
        gl.endGl()

    }
    SequentialAnimation on t {
                 loops: Animation.Infinite

                 // Move from minHeight to maxHeight in 300ms, using the OutExpo easing function
                 NumberAnimation {
                     from: 0; to: 1.
                     easing.type: Easing.OutExpo; duration: 1000

                 }

                 // Then move back to minHeight in 1 second, using the OutBounce easing function
                 NumberAnimation {
                     from: 1.; to: 0
                     easing.type: Easing.OutBounce; duration: 1000
                 }

             }
    onGeometryChanged: {initGLScene() }
   /* Component.onCompleted: {
        QExtend.setTimeout(function() {
            console.log("begin "+width +" "+height)
        var gl = getContext3D()
        gl.beginGl()
             gl.defaultInit();


            gl.viewport(0, 0,width, height);
            console.log(GL.PROJECTION)
            gl.matrixMode(GL.PROJECTION);
            gl.loadIdentity();
            gl.makePerspective(45.0, 1.*width/height, 0.1, 100.0);

            gl.matrixMode(GL.MODELVIEW);
            gl.loadIdentity();
        }
         ,1)
    }*/

}