void BulletTestApp::mouseDrag( MouseEvent event )
{
if ( mDragging ) {
Vec2f pos = Vec2f( event.getPos() ) / Vec2f( getWindowSize() );
pos.y = 1.0f - pos.y;
Ray ray = mCamera.generateRay( pos.x, pos.y, getWindowAspectRatio() );
mDragConstraint.update( ray );
}
}
void BulletTestApp::mouseDown( MouseEvent event )
{
Vec2f pos = Vec2f( event.getPos() ) / Vec2f( getWindowSize() );
pos.y = 1.0f - pos.y;
Ray ray = mCamera.generateRay( pos.x, pos.y, getWindowAspectRatio() );
mDragging = mWorld->intersects( ray, mCamera.getFarClip(), &mDragConstraint );
if ( mDragging ) {
mWorld->addConstraint( mDragConstraint, 0.0f, 0.01f );
}
}