bool VisualActor::intersectRay(const Math::Ray &ray, const Math::Vector3d position, float direction) {
Math::Matrix4 inverseModelMatrix = getModelMatrix(position, direction);
inverseModelMatrix.inverse();
// Build an object local ray from the world ray
Math::Ray localRay = ray;
localRay.transform(inverseModelMatrix);
return _model->intersectRay(localRay);
}
bool Planet::get_color(ColorRGBA& resulting_color, const Vector2& screen, Math::Ray ray, gfloat& distance)const
{
if(sphere.radius<=0.f)
return false;
ray.transform(sphere.inv_transformation);
if(!sphere.intersects_local(ray, distance))
return false;
Vector3 p = ray.origin + ray.dir*distance;
p.normalize();
p *= sphere.radius;
Vector3 normal = p;
normal *= 1.f/sphere.radius;
if(Manager::get_settings().get_dbg_normal())
{
resulting_color.set_direction(normal);
}else
{
Vector2 uv;
vec_to_uv(uv, normal);
if(Manager::get_settings().get_dbg_uv())
{
resulting_color.set(uv.x, uv.y, 0.f, 1.f);
}else
{
shader(resulting_color, screen, uv, normal, ray);
}
}
return true;
}