diff options
| author | Vito Caputo <vcaputo@gnugeneration.com> | 2017-02-14 00:24:32 -0800 |
|---|---|---|
| committer | Vito Caputo <vcaputo@gnugeneration.com> | 2017-02-14 00:46:17 -0800 |
| commit | 8fc69c2b21dc101c04495c4689587e99a70cf875 (patch) | |
| tree | eb05dae0e2a145d6cbb97ad5c66f0d9e441184b5 /src/modules/ray/ray_scene.c | |
| parent | 2e300062591398269e27fe2b359ed28030bc788e (diff) | |
ray: add highlight exponent to ray_surface_t
Was a constant at 20, this allows it to be specified per-object.
Diffstat (limited to 'src/modules/ray/ray_scene.c')
| -rw-r--r-- | src/modules/ray/ray_scene.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/modules/ray/ray_scene.c b/src/modules/ray/ray_scene.c index 496c447..b4cddad 100644 --- a/src/modules/ray/ray_scene.c +++ b/src/modules/ray/ray_scene.c @@ -83,10 +83,8 @@ static inline ray_color_t shade_ray(ray_scene_t *scene, ray_ray_t *ray, ray_obje diffuse = ray_3f_mult_scalar(&diffuse, surface.diffuse); color = ray_3f_add(&color, &diffuse); - /* FIXME: assumes light is a point for its color, and 20 is a constant "Phong exponent", - * which should really be object/surface-specific - */ - specular = ray_3f_mult_scalar(&scene->lights[i].light.emitter.point.surface.color, powf(rvec_lvec_dot, 20)); + /* FIXME: assumes light is a point for its color */ + specular = ray_3f_mult_scalar(&scene->lights[i].light.emitter.point.surface.color, powf(rvec_lvec_dot, surface.highlight_exponent)); specular = ray_3f_mult_scalar(&specular, surface.specular); color = ray_3f_add(&color, &specular); #else |