void ofMatrixStack::pushMatrix(){
	switch(currentMatrixMode){
		case OF_MATRIX_MODELVIEW:
			modelViewMatrixStack.push(modelViewMatrix);
			break;
		case OF_MATRIX_PROJECTION:
			projectionMatrixStack.push(projectionMatrix);
			break;
		case OF_MATRIX_TEXTURE:
			textureMatrixStack.push(textureMatrix);
			break;
		case OF_MATRIX_ORIENTATION:
			orientationStack.push(make_pair(orientation,vFlipped));
			break;
	}
}