🔥 removing graphfx.app code and unused libs

src/nodes/WebGL/Tint.js

@@ -0,0 +1,58 @@
+import WebGL from './WebGl';
+
+
+export default class Sepia extends WebGL {
+
+    constructor() {
+        super('Tint', {
+            amount: {
+                type: 'Number',
+                default: 0,
+            },
+            amount: {
+                type: 'Color',
+                default: '',
+            },
+        })
+    }
+
+    get frag() {
+        return `
+        precision mediump float;
+
+        // our texture
+        uniform sampler2D u_image;
+
+        // the texCoords passed in from the vertex shader.
+        varying vec2 v_texCoord;
+
+        uniform float amount;
+
+        void main() {
+            vec4 color = texture2D(u_image, v_texCoord);
+            float r = color.r;
+            float g = color.g;
+            float b = color.b;
+
+            color.r = min(1.0, (r * (1.0 - (0.607 * amount))) + (g * (0.769 * amount)) + (b * (0.189 * amount)));
+            color.g = min(1.0, (r * 0.349 * amount) + (g * (1.0 - (0.314 * amount))) + (b * 0.168 * amount));
+            color.b = min(1.0, (r * 0.272 * amount) + (g * 0.534 * amount) + (b * (1.0 - (0.869 * amount))));
+
+            gl_FragColor = color;
+        }
+        `
+    }
+
+    get amount() {
+        return this.in.amount.value;
+    }
+
+    /**
+     *
+     * @param {WebGLRenderingContext} gl
+     * @param {*} program
+     */
+    _setParams(gl, program) {
+        gl.uniform1f(gl.getUniformLocation(program, "amount"), this.amount);
+    }
+}