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| author | Vito Caputo <vcaputo@pengaru.com> | 2018-02-28 20:24:30 -0800 |
|---|---|---|
| committer | Vito Caputo <vcaputo@pengaru.com> | 2018-02-28 20:24:30 -0800 |
| commit | 3b9a4861d6937a66b03791b5b497e47c52189a7d (patch) | |
| tree | 213f698873293d87e38ce47f90937469db077bc0 /src/modules/ray/ray_render.c | |
| parent | 0aa9efd5c69a956d88adc25abd154289ecfbede7 (diff) | |
ray: implement distance-based light brightness
Diffstat (limited to 'src/modules/ray/ray_render.c')
| -rw-r--r-- | src/modules/ray/ray_render.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/modules/ray/ray_render.c b/src/modules/ray/ray_render.c index 4ca168f..8b930f6 100644 --- a/src/modules/ray/ray_render.c +++ b/src/modules/ray/ray_render.c @@ -88,6 +88,7 @@ static inline ray_color_t shade_intersection(ray_render_t *render, ray_render_ob if (lvec_normal_dot > 0) { #if 1 float rvec_lvec_dot = ray_3f_dot(&ray->direction, &lvec); + float intensity = light->light.brightness * (1.0 / (ldist * ldist)); ray_color_t diffuse; diffuse = ray_3f_mult_scalar(&surface.color, lvec_normal_dot); @@ -102,6 +103,8 @@ static inline ray_color_t shade_intersection(ray_render_t *render, ray_render_ob specular = ray_3f_mult_scalar(&specular, surface.specular); color = ray_3f_add(&color, &specular); } + + color = ray_3f_mult_scalar(&color, intensity); #else ray_color_t diffuse; |