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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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9
source/shapes/sphere.cpp
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@@ -13,9 +13,8 @@
#include <tuple.h>
#include <intersect.h>
Intersect Sphere::localIntersect(Ray r)
void Sphere::localIntersect(Ray r, Intersect &xs)
{
Intersect ret;
double a, b, c, discriminant;
Tuple sphere_to_ray = r.origin - Point(0, 0, 0);
@@ -28,11 +27,9 @@ Intersect Sphere::localIntersect(Ray r)
if (discriminant >= 0)
{
ret.add(Intersection((-b - sqrt(discriminant)) / (2 * a), this));
ret.add(Intersection((-b + sqrt(discriminant)) / (2 * a), this));
xs.add(Intersection((-b - sqrt(discriminant)) / (2 * a), this));
xs.add(Intersection((-b + sqrt(discriminant)) / (2 * a), this));
}
return ret;
}
Tuple Sphere::localNormalAt(Tuple point, Intersection *hit)