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

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+/**
+ * Pulse animation illumination shader
+ */
+class PulseIlluminationShader extends AdaptiveIlluminationShader {
+  static fragmentShader = `
+  ${this.SHADER_HEADER}
+  ${this.PERCEIVED_BRIGHTNESS}
+
+  void main() {
+    ${this.FRAGMENT_BEGIN}
+    float fading = pow(abs(1.0 - dist * dist), 1.01 - ratio);
+    ${this.TRANSITION}
+    finalColor *= fading;
+    ${this.FALLOFF}
+    ${this.FRAGMENT_END}
+  }`;
+}
+
+/* -------------------------------------------- */
+
+/**
+ * Pulse animation coloration shader
+ */
+class PulseColorationShader extends AdaptiveColorationShader {
+  static fragmentShader = `
+  ${this.SHADER_HEADER}
+  ${this.PERCEIVED_BRIGHTNESS}
+
+  float pfade(in float dist, in float pulse) {
+      return 1.0 - smoothstep(pulse * 0.5, 1.0, dist);
+  }
+    
+  void main() {
+    ${this.FRAGMENT_BEGIN}
+    finalColor = color * pfade(dist, pulse) * colorationAlpha;
+    ${this.COLORATION_TECHNIQUES}
+    ${this.ADJUSTMENTS}
+    ${this.FALLOFF}
+    ${this.FRAGMENT_END}
+  }`;
+
+  /** @inheritdoc */
+  static defaultUniforms = ({...super.defaultUniforms, pulse: 0});
+}