realisticallyOptimized

1#version 120
2 
3varying vec2 vTex;
4varying vec3 vNormal;
5varying vec3 vWorldPos;
6varying vec4 vColor;
7 
8uniform sampler2D texture;
9uniform vec3 sunPosition;
10uniform int worldTime;
11 
12#include "lib/common.glsl"
13#include "lib/shadows.glsl"
14 
15void main() {
16    vec4 albedo = texture2D(texture, vTex) * vColor;
17 
18    vec3 n = normalize(vNormal);
19    vec3 l = normalize(sunPosition);
20    float ndotl = max(dot(n, l), 0.0);
21    float toon = toonRamp(ndotl);
22    float shadow = getShadowFactor(vWorldPos);
23 
24    float t = dayFactor(float(worldTime));
25    float tint = mix(NIGHT_TINT, DAY_TINT, t);
26    vec3 sunWarm = mix(vec3(1.00, 0.98, 0.95), vec3(1.12, 0.90, 0.70), t);
27 
28    vec3 base = albedo.rgb * (mix(0.09, 0.34, t) + 0.74 * toon * shadow * sunFactor(t));
29    base *= sunWarm;
30    base += vec3(0.02, 0.04, 0.06) * (0.5 + 0.5 * sin(float(worldTime) * 0.03 + vTex.x * 20.0 + vTex.y * 16.0));
31 
32    base = applyVibrance(base, VIBRANCE + 0.05) * tint;
33    gl_FragColor = vec4(base, albedo.a);
34}
35