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Added shadow rays.

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Wally Hackenslacker
2016-12-26 20:58:51 -04:00
parent d48e8e0ba3
commit ab427597fe
5 changed files with 1379 additions and 508 deletions
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5
sphere.cpp
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@@ -5,6 +5,7 @@
using glm::normalize;
bool Sphere::intersect(Ray & r, float & t) const {
float t1, t2;
float d;
float a = (r.m_direction.x * r.m_direction.x) +
@@ -26,7 +27,9 @@ bool Sphere::intersect(Ray & r, float & t) const {
d = (b * b) - (4 * a * c);
if (d >= 0.0f) {
t = (-b - sqrt(d)) / (2 * a);
t1 = (-b - sqrt(d)) / (2 * a);
t2 = (-b + sqrt(d)) / (2 * a);
t = t1 < t2 ? t1 : t2;
return t >= 0.0f;
} else