!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t(require("three"),require("gsap")):"function"==typeof define&&define.amd?define(["three","gsap"],t):(e||self).hoverEffect=t(e.THREE,e.gsap)}(this,function(e,t){function n(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}function i(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach(function(n){if("default"!==n){var i=Object.getOwnPropertyDescriptor(e,n);Object.defineProperty(t,n,i.get?i:{enumerable:!0,get:function(){return e[n]}})}}),t.default=e,t}var r=/*#__PURE__*/i(e),o=/*#__PURE__*/n(t);return function(e){function t(){for(var e=0;e<arguments.length;e++)if(void 0!==arguments[e])return arguments[e]}console.log("%c Hover effect by Robin Delaporte: https://github.com/robin-dela/hover-effect ","color: #bada55; font-size: 0.8rem");var n=e.parent,i=e.displacementImage,a=e.image1,s=e.image2,f=t(e.imagesRatio,1),d=t(e.intensity1,e.intensity,1),l=t(e.intensity2,e.intensity,1),u=t(e.angle,Math.PI/4),c=t(e.angle1,u),v=t(e.angle2,3*-u),m=t(e.speedIn,e.speed,1.6),p=t(e.speedOut,e.speed,1.2),g=t(e.hover,!0),h=t(e.easing,"expo.out"),y=t(e.video,!1);if(n)if(a&&s&&i){var F=new r.Scene,x=new r.OrthographicCamera(n.offsetWidth/-2,n.offsetWidth/2,n.offsetHeight/2,n.offsetHeight/-2,1,1e3);x.position.z=1;var w=new r.WebGLRenderer({antialias:!1,alpha:!0});w.setPixelRatio(2),w.setClearColor(16777215,0),w.setSize(n.offsetWidth,n.offsetHeight),n.appendChild(w.domElement);var L=function(){w.render(F,x)},b=new r.TextureLoader;b.crossOrigin="";var H,E,W=b.load(i,L);if(W.magFilter=W.minFilter=r.LinearFilter,y){!function e(){requestAnimationFrame(e),w.render(F,x)}(),(y=document.createElement("video")).autoplay=!0,y.loop=!0,y.muted=!0,y.src=a,y.load();var V=document.createElement("video");V.autoplay=!0,V.loop=!0,V.muted=!0,V.src=s,V.load();var P=new r.VideoTexture(y),M=new r.VideoTexture(V);P.magFilter=M.magFilter=r.LinearFilter,P.minFilter=M.minFilter=r.LinearFilter,V.addEventListener("loadeddata",function(){V.play(),(M=new r.VideoTexture(V)).magFilter=r.LinearFilter,M.minFilter=r.LinearFilter,R.uniforms.texture2.value=M},!1),y.addEventListener("loadeddata",function(){y.play(),(P=new r.VideoTexture(y)).magFilter=r.LinearFilter,P.minFilter=r.LinearFilter,R.uniforms.texture1.value=P},!1)}else P=b.load(a,L),M=b.load(s,L),P.magFilter=M.magFilter=r.LinearFilter,P.minFilter=M.minFilter=r.LinearFilter;var O=f;n.offsetHeight/n.offsetWidth<O?(H=1,E=n.offsetHeight/n.offsetWidth/O):(H=n.offsetWidth/n.offsetHeight*O,E=1);var R=new r.ShaderMaterial({uniforms:{intensity1:{type:"f",value:d},intensity2:{type:"f",value:l},dispFactor:{type:"f",value:0},angle1:{type:"f",value:c},angle2:{type:"f",value:v},texture1:{type:"t",value:P},texture2:{type:"t",value:M},disp:{type:"t",value:W},res:{type:"vec4",value:new r.Vector4(n.offsetWidth,n.offsetHeight,H,E)},dpr:{type:"f",value:window.devicePixelRatio}},vertexShader:"\nvarying vec2 vUv;\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}\n",fragmentShader:"\nvarying vec2 vUv;\n\nuniform float dispFactor;\nuniform float dpr;\nuniform sampler2D disp;\n\nuniform sampler2D texture1;\nuniform sampler2D texture2;\nuniform float angle1;\nuniform float angle2;\nuniform float intensity1;\nuniform float intensity2;\nuniform vec4 res;\nuniform vec2 parent;\n\nmat2 getRotM(float angle) {\n  float s = sin(angle);\n  float c = cos(angle);\n  return mat2(c, -s, s, c);\n}\n\nvoid main() {\n  vec4 disp = texture2D(disp, vUv);\n  vec2 dispVec = vec2(disp.r, disp.g);\n\n  vec2 uv = 0.5 * gl_FragCoord.xy / (res.xy) ;\n  vec2 myUV = (uv - vec2(0.5))*res.zw + vec2(0.5);\n\n\n  vec2 distortedPosition1 = myUV + getRotM(angle1) * dispVec * intensity1 * dispFactor;\n  vec2 distortedPosition2 = myUV + getRotM(angle2) * dispVec * intensity2 * (1.0 - dispFactor);\n  vec4 _texture1 = texture2D(texture1, distortedPosition1);\n  vec4 _texture2 = texture2D(texture2, distortedPosition2);\n  gl_FragColor = mix(_texture1, _texture2, dispFactor);\n}\n",transparent:!0,opacity:1}),U=new r.PlaneGeometry(n.offsetWidth,n.offsetHeight,1),_=new r.Mesh(U,R);F.add(_),g&&(n.addEventListener("mouseenter",C),n.addEventListener("touchstart",C),n.addEventListener("mouseleave",D),n.addEventListener("touchend",D)),window.addEventListener("resize",function(e){n.offsetHeight/n.offsetWidth<O?(H=1,E=n.offsetHeight/n.offsetWidth/O):(H=n.offsetWidth/n.offsetHeight*O,E=1),_.material.uniforms.res.value=new r.Vector4(n.offsetWidth,n.offsetHeight,H,E),w.setSize(n.offsetWidth,n.offsetHeight),L()}),this.next=C,this.previous=D}else console.warn("One or more images are missing");else console.warn("Parent missing");function C(){o.default.to(R.uniforms.dispFactor,{duration:m,value:1,ease:h,onUpdate:L,onComplete:L})}function D(){o.default.to(R.uniforms.dispFactor,{duration:p,value:0,ease:h,onUpdate:L,onComplete:L})}}});
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