Initial project import

node_modules/three-stdlib/shaders/DigitalGlitch.js

@@ -0,0 +1,97 @@
+const DigitalGlitch = {
+  uniforms: {
+    tDiffuse: { value: null },
+    //diffuse texture
+    tDisp: { value: null },
+    //displacement texture for digital glitch squares
+    byp: { value: 0 },
+    //apply the glitch ?
+    amount: { value: 0.08 },
+    angle: { value: 0.02 },
+    seed: { value: 0.02 },
+    seed_x: { value: 0.02 },
+    //-1,1
+    seed_y: { value: 0.02 },
+    //-1,1
+    distortion_x: { value: 0.5 },
+    distortion_y: { value: 0.6 },
+    col_s: { value: 0.05 }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+		varying vec2 vUv;
+
+		void main() {
+			vUv = uv;
+			gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+		}
+	`
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+		uniform int byp; //should we apply the glitch ?
+		uniform sampler2D tDiffuse;
+		uniform sampler2D tDisp;
+		uniform float amount;
+		uniform float angle;
+		uniform float seed;
+		uniform float seed_x;
+		uniform float seed_y;
+		uniform float distortion_x;
+		uniform float distortion_y;
+		uniform float col_s;
+
+		varying vec2 vUv;
+
+		float rand(vec2 co){
+			return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
+		}
+
+		void main() {
+			if(byp<1) {
+				vec2 p = vUv;
+				float xs = floor(gl_FragCoord.x / 0.5);
+				float ys = floor(gl_FragCoord.y / 0.5);
+		//based on staffantans glitch shader for unity https://github.com/staffantan/unityglitch
+				vec4 normal = texture2D (tDisp, p*seed*seed);
+				if(p.y<distortion_x+col_s && p.y>distortion_x-col_s*seed) {
+					if(seed_x>0.){
+						p.y = 1. - (p.y + distortion_y);
+					}
+					else {
+						p.y = distortion_y;
+					}
+				}
+				if(p.x<distortion_y+col_s && p.x>distortion_y-col_s*seed) {
+					if(seed_y>0.){
+						p.x=distortion_x;
+					}
+					else {
+						p.x = 1. - (p.x + distortion_x);
+					}
+				}
+				p.x+=normal.x*seed_x*(seed/5.);
+				p.y+=normal.y*seed_y*(seed/5.);
+		//base from RGB shift shader
+				vec2 offset = amount * vec2( cos(angle), sin(angle));
+				vec4 cr = texture2D(tDiffuse, p + offset);
+				vec4 cga = texture2D(tDiffuse, p);
+				vec4 cb = texture2D(tDiffuse, p - offset);
+				gl_FragColor = vec4(cr.r, cga.g, cb.b, cga.a);
+		//add noise
+				vec4 snow = 200.*amount*vec4(rand(vec2(xs * seed,ys * seed*50.))*0.2);
+				gl_FragColor = gl_FragColor+ snow;
+			}
+			else {
+				gl_FragColor=texture2D (tDiffuse, vUv);
+			}
+		}
+`
+  )
+};
+export {
+  DigitalGlitch
+};
+//# sourceMappingURL=DigitalGlitch.js.map