https://github.com/WWBN/AVideo/issues/8713

node_modules/three/examples/js/shaders/RGBShiftShader.js

@@ -0,0 +1,54 @@
+/**
+ * RGB Shift Shader
+ * Shifts red and blue channels from center in opposite directions
+ * Ported from http://kriss.cx/tom/2009/05/rgb-shift/
+ * by Tom Butterworth / http://kriss.cx/tom/
+ *
+ * amount: shift distance (1 is width of input)
+ * angle: shift angle in radians
+ */
+
+THREE.RGBShiftShader = {
+
+	uniforms: {
+
+		'tDiffuse': { value: null },
+		'amount': { value: 0.005 },
+		'angle': { value: 0.0 }
+
+	},
+
+	vertexShader: [
+
+		'varying vec2 vUv;',
+
+		'void main() {',
+
+		'	vUv = uv;',
+		'	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
+
+		'}'
+
+	].join( '\n' ),
+
+	fragmentShader: [
+
+		'uniform sampler2D tDiffuse;',
+		'uniform float amount;',
+		'uniform float angle;',
+
+		'varying vec2 vUv;',
+
+		'void main() {',
+
+		'	vec2 offset = amount * vec2( cos(angle), sin(angle));',
+		'	vec4 cr = texture2D(tDiffuse, vUv + offset);',
+		'	vec4 cga = texture2D(tDiffuse, vUv);',
+		'	vec4 cb = texture2D(tDiffuse, vUv - offset);',
+		'	gl_FragColor = vec4(cr.r, cga.g, cb.b, cga.a);',
+
+		'}'
+
+	].join( '\n' )
+
+};