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Code Issues 123 Wiki Activity

improve shaders once more

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Hirek
2026-04-26 00:49:45 +02:00
parent 76effe72df
commit 7923f7d857
4 changed files with 43 additions and 15 deletions
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9
shaders/mat_sunlessnormalmap.frag
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@@ -34,7 +34,10 @@ vec3 apply_lights_sunless(vec3 fragcolor, vec3 fragnormal, vec3 texturecolor, fl
{
vec3 basecolor = param[0].rgb;
fragcolor *= basecolor;
// Cab interior: dim ambient less than the exterior path because
// ambient is the dominant indoor illumination. 0.80 trims the
// brightest faces without making the cab feel under-lit.
fragcolor *= basecolor * 0.80;
vec3 emissioncolor = basecolor * emission;
vec3 envcolor = envmap_color(fragnormal);
@@ -55,8 +58,8 @@ vec3 apply_lights_sunless(vec3 fragcolor, vec3 fragnormal, vec3 texturecolor, fl
vec2 sunlight = calc_dir_light(lights[0], fragnormal);
// Sharpen N.L for stronger contrast between lit and shaded cab
// surfaces (matches light_common.glsl apply_lights).
float sun_NdotL = pow(sunlight.x, 1.25);
// surfaces (uses SUN_NDOTL_SHARPNESS from light_common.glsl).
float sun_NdotL = pow(sunlight.x, SUN_NDOTL_SHARPNESS);
float diffuseamount = (sun_NdotL * param[1].x) * lights[0].intensity;
fragcolor += envcolor * reflectivity;
float specularamount = (sunlight.y * param[1].y * specularity) * lights[0].intensity;