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Code Issues 155 Wiki Activity

Light the scene with lamps of models, vehicle compartments and the cab lamp in the GL 4.6 renderer

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Hirek
2026-10-16 00:07:08 +02:00
parent 5f365a00c5
commit fd98d4eea5
12 changed files with 859 additions and 29 deletions
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10
shaders/cluster_cull.comp
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@@ -44,8 +44,9 @@ float light_range(light_s light)
float denominator = b + sqrt(b * b - 4.0 * a * c);
return (denominator > 1e-12) ? min(-2.0 * c / denominator, UNLIMITED_RANGE) : UNLIMITED_RANGE;
}
// point and spot lights fall off with the square of the distance
return sqrt(k);
// point and spot lights fall off with the square of the distance; the shading ends them at 1 / sqrt(quadratic) where it is set
float range = sqrt(k);
return (light.quadratic > 0.0) ? min(range, inversesqrt(light.quadratic)) : range;
}
bool sphere_touches_box(vec3 center, float radius, vec3 lower, vec3 upper)
@@ -103,8 +104,9 @@ bool light_reaches_box(light_s light, float range, vec3 lower, vec3 upper)
if (light.type == LIGHT_HEADLIGHTS)
return box_in_headlight_beam(light.headlight_projection, center, extent);
if (light.type == LIGHT_SPOT)
// the cone is tested against the sphere around the box, which lets some of the corners through
if ((light.type == LIGHT_SPOT) && (light.out_cutoff > 0.0))
// the cone is tested against the sphere around the box, which lets some of the corners through. a cone wider than
// a half of the space is taken as the whole sphere
return sphere_touches_cone(center - light.pos, length(extent), normalize(light.dir), light.out_cutoff);
return true;