first commit

2026-05-07 21:38:27 +03:00
commit 84fb173ea8
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+#include "/lib/colors/lightAndAmbientColors.glsl"
+
+vec3 beamCol = normalize(ColorBeam) * 3.0 * (2.5 - 1.0 * vlFactor) * OVERWORLD_BEAMS_INTENSITY;
+
+vec2 wind = vec2(syncedTime * 0.0056);
+
+float BeamNoise(vec2 planeCoord, vec2 wind) {
+    float noise = texture2DLod(noisetex, planeCoord * 0.275   - wind * 0.0625, 0.0).b;
+          noise+= texture2DLod(noisetex, planeCoord * 0.34375 + wind * 0.0575, 0.0).b * 10.0;
+
+    return noise;
+}
+
+vec4 DrawOverworldBeams(float VdotU, vec3 playerPos, vec3 viewPos) {
+    float visibility = 1.0 - sunVisibility - maxBlindnessDarkness;
+    #if OVERWORLD_BEAMS_CONDITION == 0
+        visibility -= moonPhase;
+    #endif
+    if (visibility > 0.0) {
+        vec3 result = vec3(0.0);
+
+        int sampleCount = 8;
+
+        float VdotUM = 1.0 - VdotU * VdotU;
+        float VdotUM2 = VdotUM + smoothstep1(pow2(pow2(1.0 - abs(VdotU)))) * 0.2;
+
+        vec4 beams = vec4(0.0);
+        float gradientMix = 1.0;
+
+        #ifdef AURORA_INFLUENCE
+            beamCol = getAuroraAmbientColor(beamCol, viewPos, 1.0, AURORA_CLOUD_INFLUENCE_INTENSITY, 0.85) * OVERWORLD_BEAMS_INTENSITY;
+        #endif
+
+        for(int i = 0; i < sampleCount; i++) {
+            vec2 planeCoord = (playerPos.xz + cameraPosition.xz) * (1.0 + i * 6.0 / sampleCount) * 0.0014;
+
+            float noise = BeamNoise(planeCoord, wind);
+                noise = max(0.92 - 1.0 / abs(noise - (2.5 + VdotUM * 2.0)), 0.0) * 2.5;
+
+            if (noise > 0.0) {
+                noise *= 0.55;
+                float fireNoise = texture2DLod(noisetex, abs(planeCoord * 0.2) - wind, 0.0).b;
+                noise *= 0.5 * fireNoise + 0.75;
+                noise = noise * noise * 3.0 / sampleCount;
+                noise *= mix(1.0, sqrt3(VdotUM2), 0.25);
+
+                vec3 beamColor = beamCol;
+                beamColor *= gradientMix / sampleCount;
+
+                noise *= exp2(-6.0 * i / float(sampleCount));
+                beams += vec4(noise * beamColor, noise);
+            }
+            gradientMix += 1.0;
+        }
+        beams.rgb *= beams.a * beams.a * beams.a * 5000.0;
+        beams.rgb *= sqrt(beams.rgb);
+        result = sqrt(beams.rgb);
+
+        if(any(isnan(result.rgb))) result.rgb = vec3(0.0);
+
+        return vec4(result * visibility / sampleCount, beams.a);
+    }
+    return vec4(1.0);
+}