bool Renderable::anyIntersection(const Ray &ray, real maxLambda) const
{
Ray modelRay = transformRayWorldToModel(ray);
maxLambda = transformRayLambdaWorldToModel(ray, maxLambda);
// early out test - do we hit the bounding box of the object?
if (!mBoundingBox.anyIntersection(modelRay,maxLambda))
return false;
return this->anyIntersectionModel(modelRay,maxLambda);
}
bool
CollisionGeometry::closestIntersection(const Ray &ray, float maxLambda, RayIntersection& intersection) const
{
//adapt maximal lambda value relative to transformation properties
//(e.g., scaling)
Ray modelRay = transformRayWorldToModel(ray);
maxLambda = transformRayLambdaWorldToModel(ray, maxLambda);
//transform ray from world to model coordinate system
RayIntersection isect_local;
if (!this->closestIntersectionModel(modelRay,maxLambda,isect_local))
return false;
//transform intersection from model to world coordinate system
isect_local.transform(mModelMatrix, mModelMatrixInverseTransposed);
intersection=isect_local;
return true;
}
bool
Renderable::closestIntersection(const Ray &ray, double maxLambda, RayIntersection& intersection) const
{
//adapt maximal lambda value relative to transformation properties
//(e.g., scaling)
Ray modelRay = transformRayWorldToModel(ray);
maxLambda = transformRayLambdaWorldToModel(ray, maxLambda);
// early out test - do we hit the bounding box of the object?
if (!mBoundingBox.anyIntersection(modelRay, maxLambda))
return false;
//transform ray from world to model coordinate system
RayIntersection isect_local;
if (!this->closestIntersectionModel(modelRay,maxLambda,isect_local))
return false;
//transform intersection from model to world coordinate system
isect_local.transform(mTransform, mTransformInvTransp);
intersection=isect_local;
return true;
}
std::shared_ptr<RayIntersection>
Renderable::closestIntersection(const Ray &ray, real maxLambda) const
{
//adapt maximal lambda value relative to transformation properties
//(e.g., scaling)
Ray modelRay = transformRayWorldToModel(ray);
maxLambda = transformRayLambdaWorldToModel(ray, maxLambda);
// early out test - do we hit the bounding box of the object?
if (!mBoundingBox.anyIntersection(modelRay, maxLambda))
return nullptr;
//transform ray from world to model coordinate system
std::shared_ptr<RayIntersection> isect_local =
this->closestIntersectionModel(modelRay,maxLambda);
if (!isect_local)
return nullptr;
//transform intersection from model to world coordinate system
isect_local->transform(mTransform, mTransformInvTransp);
return isect_local;
}
