X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgeometry.hpp;h=78fe5f5a2ce538deb943eee6c160f9369eb26c9f;hb=4ef32c5a4a5bdb6da8383f66d8265715eb2ed4f9;hp=d74e08e6b6fc8c29a5bc104ce381d6f0632e6289;hpb=753be639d7d04f9f7415db9fc2721485c531f0a1;p=blank.git

diff --git a/src/geometry.hpp b/src/geometry.hpp
index d74e08e..78fe5f5 100644
--- a/src/geometry.hpp
+++ b/src/geometry.hpp
@@ -8,6 +8,10 @@
 namespace blank {
 
 constexpr float PI = 3.141592653589793238462643383279502884;
+constexpr float PI_0p25 = PI * 0.25f;
+constexpr float PI_0p5 = PI * 0.5f;
+constexpr float PI_1p5 = PI * 1.5f;
+constexpr float PI_2p0 = PI * 2.0f;
 
 struct AABB {
 	glm::vec3 min;
@@ -32,6 +36,8 @@ bool Intersection(
 	float *dist = nullptr,
 	glm::vec3 *normal = nullptr);
 
+bool CullTest(const AABB &box, const glm::mat4 &MVP);
+
 }
 
 #endif