Method calcScreenArea

src/cinder/Camera.cpp:159–163

}

float Camera::calcScreenArea( const Sphere &sphere, const vec2 &screenSizePixels ) const
{
	Sphere camSpaceSphere( vec3( getViewMatrix()*vec4(sphere.getCenter(), 1.0f) ), sphere.getRadius() );
	return camSpaceSphere.calcProjectedArea( getFocalLength(), screenSizePixels );
}

void Camera::calcScreenProjection( const Sphere &sphere, const vec2 &screenSizePixels, vec2 *outCenter, vec2 *outAxisA, vec2 *outAxisB ) const
{