diff options
Diffstat (limited to 'test/raytracer/light.h')
-rw-r--r-- | test/raytracer/light.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/raytracer/light.h b/test/raytracer/light.h new file mode 100644 index 00000000..9a1d3e2a --- /dev/null +++ b/test/raytracer/light.h @@ -0,0 +1,33 @@ +struct light { + enum { Directional, Pointlight, Spot } kind; + union { + struct { + struct point dir; + struct point col; + } directional; + struct { + struct point orig; + struct point col; + } point; + struct { + struct point orig; + struct point at; + struct point col; + flt cutoff, exponent; + struct vector unit; + } spot; + } u; +}; + +struct light * dirlight(struct point * dir, struct point * c); +struct light * pointlight(struct point * orig, struct point * c); +struct light * spotlight(struct point * pos, struct point * at, + struct point * c, flt a, flt cutoff); + +void color_from_lights(struct object * obj, + struct point * p, + struct vector * v, + struct vector * n, + flt kd, flt ks, flt phong, + struct light ** lights, + /*out*/ struct point * il); |