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Abdelrahman Said 2024-02-04 17:32:57 +00:00
parent 4914f8eb71
commit 6d8f332500
1 changed files with 5 additions and 4 deletions
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9
src/raytracer/main.c
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@ -237,13 +237,14 @@ intersection_t find_closest_intersection(vec3f_t origin, vec3f_t direction,
f32 calculate_lighting_for_intersection(vec3f_t origin, vec3f_t direction,
intersection_t intersection,
const scene_t *scene) {
vec3f_t position = vec_add(
vec3f_t, origin, vec_mul_num(vec3f_t, direction, intersection.closest_t));
vec3f_t _direction = vec_mul_num(vec3f_t, direction, intersection.closest_t);
vec3f_t position = vec_add(vec3f_t, origin, _direction);
vec3f_t surface_normal =
vec_sub(vec3f_t, position, intersection.closest_sphere->centre);
surface_normal = vec_div_num(vec3f_t, surface_normal,
vec_magnitude(vec3f_t, surface_normal));
f32 normal_magnitude = vec_magnitude(vec3f_t, surface_normal);
surface_normal = vec_div_num(vec3f_t, surface_normal, normal_magnitude);
vec3f_t view_vector = vec_mul_num(vec3f_t, direction, -1.0f);