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+ | Small tweaks

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TheRedShip
2025-01-09 00:03:33 +01:00
parent ff3af20e13
commit dbdd08f3ec
4 changed files with 24 additions and 20 deletions
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32
shaders/random.glsl
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@ -36,21 +36,21 @@ vec3 randomHemisphereDirection(vec3 normal, inout uint rng_state)
return (direction * sign(dot(normal, direction)));
}
// vec3 GetEnvironmentLight(Ray ray)
// {
// vec3 sun_pos = vec3(-0.5, 0.5, 0.5);
// float SunFocus = 1.5;
// float SunIntensity = 1;
vec3 GetEnvironmentLight(Ray ray)
{
vec3 sun_pos = vec3(-0.5, 0.5, 0.5);
float SunFocus = 1.5;
float SunIntensity = 1;
// vec3 GroundColour = vec3(0.5, 0.5, 0.5);
// vec3 SkyColourHorizon = vec3(135 / 255.0f, 206 / 255.0f, 235 / 255.0f);
// vec3 SkyColourZenith = SkyColourHorizon / 2.0;
vec3 GroundColour = vec3(0.5, 0.5, 0.5);
vec3 SkyColourHorizon = vec3(135 / 255.0f, 206 / 255.0f, 235 / 255.0f);
vec3 SkyColourZenith = SkyColourHorizon / 2.0;
// float skyGradientT = pow(smoothstep(0, 0.4, ray.direction.y), 0.35);
// float groundToSkyT = smoothstep(-0.01, 0, ray.direction.y);
// vec3 skyGradient = mix(SkyColourHorizon, SkyColourZenith, skyGradientT);
// float sun = pow(max(0, dot(ray.direction, sun_pos.xyz)), SunFocus) * SunIntensity;
// // Combine ground, sky, and sun
// vec3 composite = mix(GroundColour, skyGradient, groundToSkyT) + sun * int(groundToSkyT >= 1);
// return composite;
// }
float skyGradientT = pow(smoothstep(0.0, 0.4, ray.direction.y), 0.35);
float groundToSkyT = smoothstep(-0.01, 0.0, ray.direction.y);
vec3 skyGradient = mix(SkyColourHorizon, SkyColourZenith, skyGradientT);
float sun = pow(max(0, dot(ray.direction, sun_pos.xyz)), SunFocus) * SunIntensity;
// Combine ground, sky, and sun
vec3 composite = mix(GroundColour, skyGradient, groundToSkyT) + sun * int(groundToSkyT >= 1);
return composite;
}