fix night shadows

2025-06-11 00:51:42 +03:00
parent 11283f9a33
commit 1a3fb9f5b3
2 changed files with 11 additions and 3 deletions
@@ -3,6 +3,7 @@

 uniform sampler2DShadow u_shadows[2];
 uniform mat4 u_shadowsMatrix[2];
+uniform float u_dayTime;

 uniform int u_shadowsRes;

@@ -22,7 +23,7 @@ float calc_shadow() {
        shadow = 0.0;
        
        // TODO: optimize
-        if (dot(a_realnormal, u_sunDir) < 0.0) {
+        if (dot(a_realnormal, u_sunDir) < 0.0 || true) {
            if (a_distance > 128) {
                for (int y = -1; y <= 1; y++) {
                    for (int x = -1; x <= 1; x++) {
@@ -48,7 +49,9 @@ float calc_shadow() {
                }
                shadow /= 25;
            }
-            shadow = shadow * 0.5 + 0.5;
+            float s = abs(cos(u_dayTime * 3.141592 * 2.0));
+            s = pow(s, 0.7);
+            shadow = mix(0.5, shadow * 0.5 + 0.5, s);
        } else {
            shadow = 0.5;
        }