Added mip selection using ray differentials

source/Algorithm/RayIntersection.c

@@ -3,7 +3,7 @@
 #include "Geometry/Triangle.h"
 #include "cglm/struct/vec3.h"
 
-ray_t ray_create(vec3s origin, vec3s direction)
+ray_t ray_create(vec3s origin, vec3s direction, float cone_width, float spread_angle)
 {
     ray_t ray =
     {
@@ -13,7 +13,9 @@ ray_t ray_create(vec3s origin, vec3s direction)
         .sign =
         ((direction.x < 0.0f) ? 1 : 0) |
         ((direction.y < 0.0f) ? 2 : 0) |
-        ((direction.z < 0.0f) ? 4 : 0)
+        ((direction.z < 0.0f) ? 4 : 0),
+        .width = cone_width,
+        .spread_angle = spread_angle
     };
 
     ray.esp = glms_vec3_max(glms_vec3_abs(ray.origin)) * gamma(15);