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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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12
source/shapes/cylinder.cpp
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@@ -51,10 +51,8 @@ void Cylinder::intersectCaps(Ray r, Intersect &xs)
}
}
Intersect Cylinder::localIntersect(Ray r)
void Cylinder::localIntersect(Ray r, Intersect &xs)
{
Intersect ret;
double A = r.direction.x * r.direction.x + r.direction.z * r.direction.z;
/* Ray is parallel to the Y axis */
@@ -74,20 +72,18 @@ Intersect Cylinder::localIntersect(Ray r)
double y0 = r.origin.y + t0 * r.direction.y;
if ((this->minCap < y0) && (y0 < this->maxCap))
{
ret.add(Intersection(t0, this));
xs.add(Intersection(t0, this));
}
double y1 = r.origin.y + t1 * r.direction.y;
if ((this->minCap < y1) && (y1 < this->maxCap))
{
ret.add(Intersection(t1, this));
xs.add(Intersection(t1, this));
}
}
}
this->intersectCaps(r, ret);
return ret;
this->intersectCaps(r, xs);
}
Tuple Cylinder::localNormalAt(Tuple point, Intersection *hit)