Method draw

test/ArcballTest/src/ArcballTestApp.cpp:108–152

}

void ArcballTestApp::draw()
{
	CameraPersp &cam = ( mUsingCameraUi ) ? mDebugCam : mCam;
	gl::clear( Color( 0, 0.0f, 0.15f ) );
	gl::setMatrices( cam );

	// draw the earth
	gl::enableDepthRead();
	gl::enableDepthWrite();
	gl::translate( mEarthSphere.getCenter() );
	gl::rotate( mArcball.getQuat() );
	mEarthTex->bind();
	mEarth->draw();

	// draw constraint axis
	if( mArcball.isUsingConstraint() ) {
		gl::setMatrices( cam );
		gl::color( 1, 1, 0 );
		gl::translate( mEarthSphere.getCenter() );
		gl::rotate( glm::rotation( vec3( 0, 1, 0 ), mArcball.getConstraintAxis() ) );
		mConstraintAxis->draw();
	}

	gl::disableDepthRead();

	// draw from vector marker
	gl::setMatrices( cam );
	gl::color( 0, 1, 0.25f );
	gl::translate( mEarthSphere.getCenter() + mArcball.getFromVector() * mEarthSphere.getRadius() );
	mMarker->draw();

	// draw to vector marker
	gl::setMatrices( cam );
	gl::color( 1, 0.5f, 0.25f );
	gl::translate( mEarthSphere.getCenter() + mArcball.getToVector() * mEarthSphere.getRadius() );
	mMarker->draw();

	// draw the elliptical axes
	gl::setMatricesWindow( getWindowSize() );
	gl::color( 1, 0, 0 );
	vec2 center, axisA, axisB;
	mCam.calcScreenProjection( mEarthSphere, getWindowSize(), &center, &axisA, &axisB );
	gl::drawLine( center - axisA, center + axisA );
	gl::drawLine( center - axisB, center + axisB );
}

CINDER_APP( ArcballTestApp, RendererGl )