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resources/app/client/pixi/webgl/shaders/lighting/effects/wave.js

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+/**
+ * Wave animation illumination shader
+ */
+class WaveIlluminationShader extends AdaptiveIlluminationShader {
+  static fragmentShader = `
+  ${this.SHADER_HEADER}
+  ${this.PERCEIVED_BRIGHTNESS}
+
+  float wave(in float dist) {
+    float sinWave = 0.5 * (sin(-time * 6.0 + dist * 10.0 * intensity) + 1.0);
+    return 0.3 * sinWave + 0.8;
+  }
+
+  void main() {
+    ${this.FRAGMENT_BEGIN}
+    ${this.TRANSITION}
+    finalColor *= wave(dist);
+    ${this.ADJUSTMENTS}
+    ${this.FALLOFF}
+    ${this.FRAGMENT_END}
+  }`;
+}
+
+/* -------------------------------------------- */
+
+/**
+ * Wave animation coloration shader
+ */
+class WaveColorationShader extends AdaptiveColorationShader {
+  static fragmentShader = `
+  ${this.SHADER_HEADER}
+  ${this.PERCEIVED_BRIGHTNESS}
+
+  float wave(in float dist) {
+    float sinWave = 0.5 * (sin(-time * 6.0 + dist * 10.0 * intensity) + 1.0);
+    return 0.55 * sinWave + 0.8;
+  }
+
+  void main() {
+    ${this.FRAGMENT_BEGIN}
+    finalColor = color * wave(dist) * colorationAlpha;
+    ${this.COLORATION_TECHNIQUES}
+    ${this.ADJUSTMENTS}
+    ${this.FALLOFF}
+    ${this.FRAGMENT_END}
+  }`;
+}