@Override
public boolean shadow_hit(Ray ray, FloatRef tmin) {
Ray inv_ray =
new Ray(
invTransform.transformPoint(ray.getOrigin()),
invTransform.transformDirection(ray.getDirection()));
return object.shadow_hit(inv_ray, tmin);
}
@Override
public boolean hit(Ray ray, ShadeRec sr, FloatRef tmin) {
Ray inv_ray =
new Ray(
invTransform.transformPoint(ray.getOrigin()),
invTransform.transformDirection(ray.getDirection()));
if (object.hit(inv_ray, sr, tmin)) {
Matrix4 transform = Matrix4.inverse(invTransform);
sr.worldHitPoint = transform.transformPoint(sr.worldHitPoint);
sr.normal = invTransform.transformNormal(sr.normal);
return true;
}
return false;
}