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Huge speed up by changing how Intersect are shared.

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Godzil
2020-03-12 00:11:26 +00:00
parent 0aa949c60b
commit b00bb75189
38 changed files with 116 additions and 153 deletions
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21
source/shapes/csg.cpp
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@@ -24,31 +24,24 @@ CSG::CSG(OperationType operation, Shape *left, Shape *right) : Shape(Shape::CSG)
this->bounds | this->right->getBounds();
}
Intersect CSG::localIntersect(Ray r)
void CSG::localIntersect(Ray r, Intersect &xs)
{
return this->intersect(r);
this->intersect(r, xs);
}
Intersect CSG::intersect(Ray r)
void CSG::intersect(Ray &r, Intersect &xs)
{
int i;
Intersect ret = Intersect();
Intersect tmp = Intersect();
if (this->bounds.intesectMe(r))
{
Intersect leftxs = this->left->intersect(r);
Intersect rightxs = this->right->intersect(r);
this->left->intersect(r, tmp);
this->right->intersect(r, tmp);
for (i = 0 ; i < rightxs.count() ; i++)
{
leftxs.add(rightxs[i]);
}
this->filterIntersections(leftxs, ret);
this->filterIntersections(tmp, xs);
}
return ret;
}
Tuple CSG::localNormalAt(Tuple point, Intersection *hit)