From ad7fa359b695bde8c3a1a9d449c4705a08468e84 Mon Sep 17 00:00:00 2001 From: Pim Schreurs Date: Sat, 20 Aug 2016 18:11:33 +0200 Subject: [PATCH] Update version --- jquery.ripples-min.js | 4 ++-- jquery.ripples.js | 2 +- package.json | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/jquery.ripples-min.js b/jquery.ripples-min.js index 0ea1d2c..a97acd1 100644 --- a/jquery.ripples-min.js +++ b/jquery.ripples-min.js @@ -1,6 +1,6 @@ /*! - * jQuery Ripples plugin v0.5.0 / http://github.com/sirxemic/jquery.ripples + * jQuery Ripples plugin v0.5.1 / http://github.com/sirxemic/jquery.ripples * MIT License * @author sirxemic / http://sirxemic.com/ */ -!function(e){"function"==typeof define&&define.amd?define(["jquery"],e):e("object"==typeof exports?require("jquery"):jQuery)}(function(e){"use strict";function t(e){return"%"==e[e.length-1]}function r(){var e=document.createElement("canvas"),t=e.getContext("webgl")||e.getContext("experimental-webgl"),r=t&&t.getExtension("OES_texture_float");return r}function i(e,t,r){function i(e,t){var r=s.createShader(e);if(s.shaderSource(r,t),s.compileShader(r),!s.getShaderParameter(r,s.COMPILE_STATUS))throw new Error("compile error: "+s.getShaderInfoLog(r));return r}var o={};if(o.id=s.createProgram(),s.attachShader(o.id,i(s.VERTEX_SHADER,e)),s.attachShader(o.id,i(s.FRAGMENT_SHADER,t)),s.linkProgram(o.id),!s.getProgramParameter(o.id,s.LINK_STATUS))throw new Error("link error: "+s.getProgramInfoLog(o.id));o.uniforms={},o.locations={},s.useProgram(o.id),s.enableVertexAttribArray(0);for(var n,a,u=/uniform (\w+) (\w+)/g,h=e+t;null!=(n=u.exec(h));)a=n[2],o.locations[a]=s.getUniformLocation(o.id,a);return o}function o(e,t){s.activeTexture(s.TEXTURE0+(t||0)),s.bindTexture(s.TEXTURE_2D,e)}function n(e){var t=/url\(["']?([^"']*)["']?\)/.exec(e);return null==t?null:t[1]}function a(e){return e.match(/^data:/)}var s,u=e(window),h=r();e("head").prepend("");var c=function(t,r){function i(){o.step(),requestAnimationFrame(i)}var o=this;this.$el=e(t),this.interactive=r.interactive,this.resolution=r.resolution,this.textureDelta=new Float32Array([1/this.resolution,1/this.resolution]),this.perturbance=r.perturbance,this.dropRadius=r.dropRadius,this.crossOrigin=r.crossOrigin,this.imageUrl=r.imageUrl;var n=document.createElement("canvas");n.width=this.$el.innerWidth(),n.height=this.$el.innerHeight(),this.canvas=n,this.$canvas=e(n),this.$canvas.css({position:"absolute",left:0,top:0,right:0,bottom:0,zIndex:-1}),this.$el.addClass("jquery-ripples").append(n),this.context=s=n.getContext("webgl")||n.getContext("experimental-webgl"),s.getExtension("OES_texture_float");var a=s.getExtension("OES_texture_float_linear");e(window).on("resize",function(){var e=o.$el.innerWidth(),t=o.$el.innerHeight();e==o.canvas.width&&t==o.canvas.height||(n.width=e,n.height=t)}),this.$el.on("mousemove.ripples",function(e){o.visible&&o.running&&o.interactive&&o.dropAtMouse(e,o.dropRadius,.01)}).on("mousedown.ripples",function(e){o.visible&&o.running&&o.interactive&&o.dropAtMouse(e,1.5*o.dropRadius,.14)}),this.textures=[],this.framebuffers=[];for(var u=0;u<2;u++){var h=s.createTexture(),c=s.createFramebuffer();if(s.bindFramebuffer(s.FRAMEBUFFER,c),c.width=this.resolution,c.height=this.resolution,s.bindTexture(s.TEXTURE_2D,h),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,a?s.LINEAR:s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,a?s.LINEAR:s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.RGBA,this.resolution,this.resolution,0,s.RGBA,s.FLOAT,null),s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0,s.TEXTURE_2D,h,0),s.checkFramebufferStatus(s.FRAMEBUFFER)!=s.FRAMEBUFFER_COMPLETE)throw new Error("Rendering to this texture is not supported (incomplete framebuffer)");s.bindTexture(s.TEXTURE_2D,null),s.bindFramebuffer(s.FRAMEBUFFER,null),this.textures.push(h),this.framebuffers.push(c)}this.quad=s.createBuffer(),s.bindBuffer(s.ARRAY_BUFFER,this.quad),s.bufferData(s.ARRAY_BUFFER,new Float32Array([-1,-1,1,-1,1,1,-1,1]),s.STATIC_DRAW),this.initShaders(),this.initTexture(),this.setTransparentTexture(),this.loadImage(),s.clearColor(0,0,0,0),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),this.visible=!0,this.running=!0,this.inited=!0,requestAnimationFrame(i)};c.DEFAULTS={imageUrl:null,resolution:256,dropRadius:20,perturbance:.03,interactive:!0,crossOrigin:""},c.prototype={loadImage:function(){var e=this;s=this.context;var t=this.imageUrl||n(this.originalCssBackgroundImage)||n(this.$el.css("backgroundImage"));if(t!=this.imageSource){if(this.imageSource=t,!this.imageSource)return void this.setTransparentTexture();var r=new Image;r.onload=function(){function t(e){return 0==(e&e-1)}s=e.context;var i=t(r.width)&&t(r.height)?s.REPEAT:s.CLAMP_TO_EDGE;s.bindTexture(s.TEXTURE_2D,e.backgroundTexture),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,i),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,i),s.texImage2D(s.TEXTURE_2D,0,s.RGBA,s.RGBA,s.UNSIGNED_BYTE,r),e.backgroundWidth=r.width,e.backgroundHeight=r.height,e.hideCssBackground()},r.onerror=function(){s=e.context,e.setTransparentTexture()},r.crossOrigin=a(this.imageSource)?null:this.crossOrigin,r.src=this.imageSource}},step:function(){s=this.context,this.visible&&(this.computeTextureBoundaries(),this.running&&this.update(),this.render())},drawQuad:function(){s.bindBuffer(s.ARRAY_BUFFER,this.quad),s.vertexAttribPointer(0,2,s.FLOAT,!1,0,0),s.drawArrays(s.TRIANGLE_FAN,0,4)},render:function(){s.viewport(0,0,this.canvas.width,this.canvas.height),s.enable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),s.useProgram(this.renderProgram.id),o(this.backgroundTexture,0),o(this.textures[0],1),s.uniform1f(this.renderProgram.locations.perturbance,this.perturbance),s.uniform2fv(this.renderProgram.locations.topLeft,this.renderProgram.uniforms.topLeft),s.uniform2fv(this.renderProgram.locations.bottomRight,this.renderProgram.uniforms.bottomRight),s.uniform2fv(this.renderProgram.locations.containerRatio,this.renderProgram.uniforms.containerRatio),s.uniform1i(this.renderProgram.locations.samplerBackground,0),s.uniform1i(this.renderProgram.locations.samplerRipples,1),this.drawQuad(),s.disable(s.BLEND)},update:function(){s.viewport(0,0,this.resolution,this.resolution);for(var e=0;e<2;e++)s.bindFramebuffer(s.FRAMEBUFFER,this.framebuffers[e]),o(this.textures[1-e]),s.useProgram(this.updateProgram[e].id),this.drawQuad();s.bindFramebuffer(s.FRAMEBUFFER,null)},computeTextureBoundaries:function(){var e=this.$el.css("background-size"),r=this.$el.css("background-attachment"),i=this.$el.css("background-position").split(" "),o="fixed"==r?u:this.$el,n=o.offset()||{left:pageXOffset,top:pageYOffset},a=o.innerWidth(),s=o.innerHeight();if("cover"==e)var h=Math.max(a/this.backgroundWidth,s/this.backgroundHeight),c=this.backgroundWidth*h,d=this.backgroundHeight*h;else if("contain"==e)var h=Math.min(a/this.backgroundWidth,s/this.backgroundHeight),c=this.backgroundWidth*h,d=this.backgroundHeight*h;else{e=e.split(" ");var c=e[0]||"",d=e[1]||c;t(c)?c=a*parseFloat(c)/100:"auto"!=c&&(c=parseFloat(c)),t(d)?d=s*parseFloat(d)/100:"auto"!=d&&(d=parseFloat(d)),"auto"==c&&"auto"==d?(c=this.backgroundWidth,d=this.backgroundHeight):("auto"==c&&(c=this.backgroundWidth*(d/this.backgroundHeight)),"auto"==d&&(d=this.backgroundHeight*(c/this.backgroundWidth)))}var l=i[0]||"",f=i[1]||l;l="left"==l?n.left:"center"==l?n.left+a/2-c/2:"right"==l?n.left+a-c:t(l)?n.left+(a-c)*parseFloat(l)/100:parseFloat(l),f="top"==f?n.top:"center"==f?n.top+s/2-d/2:"bottom"==f?n.top+s-d:t(f)?n.top+(s-d)*parseFloat(f)/100:parseFloat(f);var g=this.$el.offset();this.renderProgram.uniforms.topLeft=new Float32Array([(g.left-l)/c,(g.top-f)/d]),this.renderProgram.uniforms.bottomRight=new Float32Array([this.renderProgram.uniforms.topLeft[0]+this.$el.innerWidth()/c,this.renderProgram.uniforms.topLeft[1]+this.$el.innerHeight()/d]);var p=Math.max(this.canvas.width,this.canvas.height);this.renderProgram.uniforms.containerRatio=new Float32Array([this.canvas.width/p,this.canvas.height/p])},initShaders:function(){var e=["attribute vec2 vertex;","varying vec2 coord;","void main() {","coord = vertex * 0.5 + 0.5;","gl_Position = vec4(vertex, 0.0, 1.0);","}"].join("\n");this.dropProgram=i(e,["precision highp float;","const float PI = 3.141592653589793;","uniform sampler2D texture;","uniform vec2 center;","uniform float radius;","uniform float strength;","varying vec2 coord;","void main() {","vec4 info = texture2D(texture, coord);","float drop = max(0.0, 1.0 - length(center * 0.5 + 0.5 - coord) / radius);","drop = 0.5 - cos(drop * PI) * 0.5;","info.r += drop * strength;","gl_FragColor = info;","}"].join("\n")),this.updateProgram=[0,0],this.updateProgram[0]=i(e,["precision highp float;","uniform sampler2D texture;","uniform vec2 delta;","varying vec2 coord;","void main() {","vec4 info = texture2D(texture, coord);","vec2 dx = vec2(delta.x, 0.0);","vec2 dy = vec2(0.0, delta.y);","float average = (","texture2D(texture, coord - dx).r +","texture2D(texture, coord - dy).r +","texture2D(texture, coord + dx).r +","texture2D(texture, coord + dy).r",") * 0.25;","info.g += (average - info.r) * 2.0;","info.g *= 0.995;","info.r += info.g;","gl_FragColor = info;","}"].join("\n")),s.uniform2fv(this.updateProgram[0].locations.delta,this.textureDelta),this.updateProgram[1]=i(e,["precision highp float;","uniform sampler2D texture;","uniform vec2 delta;","varying vec2 coord;","void main() {","vec4 info = texture2D(texture, coord);","vec3 dx = vec3(delta.x, texture2D(texture, vec2(coord.x + delta.x, coord.y)).r - info.r, 0.0);","vec3 dy = vec3(0.0, texture2D(texture, vec2(coord.x, coord.y + delta.y)).r - info.r, delta.y);","info.ba = normalize(cross(dy, dx)).xz;","gl_FragColor = info;","}"].join("\n")),s.uniform2fv(this.updateProgram[1].locations.delta,this.textureDelta),this.renderProgram=i(["precision highp float;","attribute vec2 vertex;","uniform vec2 topLeft;","uniform vec2 bottomRight;","uniform vec2 containerRatio;","varying vec2 ripplesCoord;","varying vec2 backgroundCoord;","void main() {","backgroundCoord = mix(topLeft, bottomRight, vertex * 0.5 + 0.5);","backgroundCoord.y = 1.0 - backgroundCoord.y;","ripplesCoord = vec2(vertex.x, -vertex.y) * containerRatio * 0.5 + 0.5;","gl_Position = vec4(vertex.x, -vertex.y, 0.0, 1.0);","}"].join("\n"),["precision highp float;","uniform sampler2D samplerBackground;","uniform sampler2D samplerRipples;","uniform float perturbance;","varying vec2 ripplesCoord;","varying vec2 backgroundCoord;","void main() {","vec2 offset = -texture2D(samplerRipples, ripplesCoord).ba;","float specular = pow(max(0.0, dot(offset, normalize(vec2(-0.6, 1.0)))), 4.0);","gl_FragColor = texture2D(samplerBackground, backgroundCoord + offset * perturbance) + specular;","}"].join("\n"))},initTexture:function(){this.transparentPixels=new ImageData(32,32),this.backgroundTexture=s.createTexture(),s.bindTexture(s.TEXTURE_2D,this.backgroundTexture),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,1),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.LINEAR),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.LINEAR)},setTransparentTexture:function(){s.bindTexture(s.TEXTURE_2D,this.backgroundTexture),s.texImage2D(s.TEXTURE_2D,0,s.RGBA,s.RGBA,s.UNSIGNED_BYTE,this.transparentPixels)},hideCssBackground:function(){var e=this.$el[0].style.backgroundImage;"none"!=e&&(this.originalInlineCss=e,this.originalCssBackgroundImage=this.$el.css("backgroundImage"),this.$el.css("backgroundImage","none"))},restoreCssBackground:function(){this.$el.css("backgroundImage",this.originalInlineCss||"")},dropAtMouse:function(e,t,r){var i=parseInt(this.$el.css("border-left-width"))||0,o=parseInt(this.$el.css("border-top-width"))||0;this.drop(e.pageX-this.$el.offset().left-i,e.pageY-this.$el.offset().top-o,t,r)},drop:function(e,t,r,i){s=this.context;var n=this.$el.innerWidth(),a=this.$el.innerHeight(),u=Math.max(n,a);r/=u;var h=new Float32Array([(2*e-n)/u,(a-2*t)/u]);s.viewport(0,0,this.resolution,this.resolution),s.bindFramebuffer(s.FRAMEBUFFER,this.framebuffers[0]),o(this.textures[1]),s.useProgram(this.dropProgram.id),s.uniform2fv(this.dropProgram.locations.center,h),s.uniform1f(this.dropProgram.locations.radius,r),s.uniform1f(this.dropProgram.locations.strength,i),this.drawQuad();var c=this.framebuffers[0];this.framebuffers[0]=this.framebuffers[1],this.framebuffers[1]=c,c=this.textures[0],this.textures[0]=this.textures[1],this.textures[1]=c,s.bindFramebuffer(s.FRAMEBUFFER,null)},destroy:function(){this.$el.off(".ripples").removeClass("jquery-ripples").removeData("ripples"),this.canvas.remove(),this.restoreCssBackground()},show:function(){this.visible=!0,this.$canvas.show(),this.hideCssBackground()},hide:function(){this.visible=!1,this.$canvas.hide(),this.restoreCssBackground()},pause:function(){this.running=!1},play:function(){this.running=!0},set:function(e,t){switch(e){case"dropRadius":case"perturbance":case"interactive":case"crossOrigin":this[e]=t;break;case"imageUrl":this.imageUrl=t,this.loadImage()}}};var d=e.fn.ripples;e.fn.ripples=function(t){if(!h)throw new Error("Your browser does not support WebGL or the OES_texture_float extension.");var r=arguments.length>1?Array.prototype.slice.call(arguments,1):void 0;return this.each(function(){var i=e(this),o=i.data("ripples"),n=e.extend({},c.DEFAULTS,i.data(),"object"==typeof t&&t);(o||"string"!=typeof t)&&(o?"string"==typeof t&&c.prototype[t].apply(o,r):i.data("ripples",o=new c(this,n)))})},e.fn.ripples.Constructor=c,e.fn.ripples.noConflict=function(){return e.fn.ripples=d,this}}); \ No newline at end of file +!function(e){"function"==typeof define&&define.amd?define(["jquery"],e):e("object"==typeof exports?require("jquery"):jQuery)}(function(e){"use strict";function t(e){return"%"==e[e.length-1]}function r(){var e=document.createElement("canvas"),t=e.getContext("webgl")||e.getContext("experimental-webgl"),r=t&&t.getExtension("OES_texture_float");return r}function i(e,t){try{return new ImageData(e,t)}catch(i){var r=document.createElement("canvas");return r.width=e,r.height=t,r.getContext("2d").getImageData(0,0,e,t)}}function o(e){var t=e.split(" ");if(1!==t.length)return t.map(function(t){switch(e){case"center":return"50%";case"top":case"left":return"0";case"right":case"bottom":return"100%";default:return t}});switch(e){case"center":return["50%","50%"];case"top":return["50%","0"];case"bottom":return["50%","100%"];case"left":return["0","50%"];case"right":return["100%","50%"];default:return[e,"50%"]}}function n(e,t,r){function i(e,t){var r=c.createShader(e);if(c.shaderSource(r,t),c.compileShader(r),!c.getShaderParameter(r,c.COMPILE_STATUS))throw new Error("compile error: "+c.getShaderInfoLog(r));return r}var o={};if(o.id=c.createProgram(),c.attachShader(o.id,i(c.VERTEX_SHADER,e)),c.attachShader(o.id,i(c.FRAGMENT_SHADER,t)),c.linkProgram(o.id),!c.getProgramParameter(o.id,c.LINK_STATUS))throw new Error("link error: "+c.getProgramInfoLog(o.id));o.uniforms={},o.locations={},c.useProgram(o.id),c.enableVertexAttribArray(0);for(var n,a,s=/uniform (\w+) (\w+)/g,u=e+t;null!=(n=s.exec(u));)a=n[2],o.locations[a]=c.getUniformLocation(o.id,a);return o}function a(e,t){c.activeTexture(c.TEXTURE0+(t||0)),c.bindTexture(c.TEXTURE_2D,e)}function s(e){var t=/url\(["']?([^"']*)["']?\)/.exec(e);return null==t?null:t[1]}function u(e){return e.match(/^data:/)}var c,h=e(window),d=i(32,32),f=r();e("head").prepend("");var l=function(t,r){function i(){o.step(),requestAnimationFrame(i)}var o=this;this.$el=e(t),this.interactive=r.interactive,this.resolution=r.resolution,this.textureDelta=new Float32Array([1/this.resolution,1/this.resolution]),this.perturbance=r.perturbance,this.dropRadius=r.dropRadius,this.crossOrigin=r.crossOrigin,this.imageUrl=r.imageUrl;var n=document.createElement("canvas");n.width=this.$el.innerWidth(),n.height=this.$el.innerHeight(),this.canvas=n,this.$canvas=e(n),this.$canvas.css({position:"absolute",left:0,top:0,right:0,bottom:0,zIndex:-1}),this.$el.addClass("jquery-ripples").append(n),this.context=c=n.getContext("webgl")||n.getContext("experimental-webgl"),c.getExtension("OES_texture_float");var a=c.getExtension("OES_texture_float_linear");e(window).on("resize",function(){var e=o.$el.innerWidth(),t=o.$el.innerHeight();e==o.canvas.width&&t==o.canvas.height||(n.width=e,n.height=t)}),this.$el.on("mousemove.ripples",function(e){o.visible&&o.running&&o.interactive&&o.dropAtMouse(e,o.dropRadius,.01)}).on("mousedown.ripples",function(e){o.visible&&o.running&&o.interactive&&o.dropAtMouse(e,1.5*o.dropRadius,.14)}),this.textures=[],this.framebuffers=[];for(var s=0;s<2;s++){var u=c.createTexture(),h=c.createFramebuffer();if(c.bindFramebuffer(c.FRAMEBUFFER,h),h.width=this.resolution,h.height=this.resolution,c.bindTexture(c.TEXTURE_2D,u),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MIN_FILTER,a?c.LINEAR:c.NEAREST),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MAG_FILTER,a?c.LINEAR:c.NEAREST),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_S,c.CLAMP_TO_EDGE),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_T,c.CLAMP_TO_EDGE),c.texImage2D(c.TEXTURE_2D,0,c.RGBA,this.resolution,this.resolution,0,c.RGBA,c.FLOAT,null),c.framebufferTexture2D(c.FRAMEBUFFER,c.COLOR_ATTACHMENT0,c.TEXTURE_2D,u,0),c.checkFramebufferStatus(c.FRAMEBUFFER)!=c.FRAMEBUFFER_COMPLETE)throw new Error("Rendering to this texture is not supported (incomplete framebuffer)");c.bindTexture(c.TEXTURE_2D,null),c.bindFramebuffer(c.FRAMEBUFFER,null),this.textures.push(u),this.framebuffers.push(h)}this.quad=c.createBuffer(),c.bindBuffer(c.ARRAY_BUFFER,this.quad),c.bufferData(c.ARRAY_BUFFER,new Float32Array([-1,-1,1,-1,1,1,-1,1]),c.STATIC_DRAW),this.initShaders(),this.initTexture(),this.setTransparentTexture(),this.loadImage(),c.clearColor(0,0,0,0),c.blendFunc(c.SRC_ALPHA,c.ONE_MINUS_SRC_ALPHA),this.visible=!0,this.running=!0,this.inited=!0,requestAnimationFrame(i)};l.DEFAULTS={imageUrl:null,resolution:256,dropRadius:20,perturbance:.03,interactive:!0,crossOrigin:""},l.prototype={loadImage:function(){var e=this;c=this.context;var t=this.imageUrl||s(this.originalCssBackgroundImage)||s(this.$el.css("backgroundImage"));if(t!=this.imageSource){if(this.imageSource=t,!this.imageSource)return void this.setTransparentTexture();var r=new Image;r.onload=function(){function t(e){return 0==(e&e-1)}c=e.context;var i=t(r.width)&&t(r.height)?c.REPEAT:c.CLAMP_TO_EDGE;c.bindTexture(c.TEXTURE_2D,e.backgroundTexture),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_S,i),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_T,i),c.texImage2D(c.TEXTURE_2D,0,c.RGBA,c.RGBA,c.UNSIGNED_BYTE,r),e.backgroundWidth=r.width,e.backgroundHeight=r.height,e.hideCssBackground()},r.onerror=function(){c=e.context,e.setTransparentTexture()},r.crossOrigin=u(this.imageSource)?null:this.crossOrigin,r.src=this.imageSource}},step:function(){c=this.context,this.visible&&(this.computeTextureBoundaries(),this.running&&this.update(),this.render())},drawQuad:function(){c.bindBuffer(c.ARRAY_BUFFER,this.quad),c.vertexAttribPointer(0,2,c.FLOAT,!1,0,0),c.drawArrays(c.TRIANGLE_FAN,0,4)},render:function(){c.viewport(0,0,this.canvas.width,this.canvas.height),c.enable(c.BLEND),c.clear(c.COLOR_BUFFER_BIT|c.DEPTH_BUFFER_BIT),c.useProgram(this.renderProgram.id),a(this.backgroundTexture,0),a(this.textures[0],1),c.uniform1f(this.renderProgram.locations.perturbance,this.perturbance),c.uniform2fv(this.renderProgram.locations.topLeft,this.renderProgram.uniforms.topLeft),c.uniform2fv(this.renderProgram.locations.bottomRight,this.renderProgram.uniforms.bottomRight),c.uniform2fv(this.renderProgram.locations.containerRatio,this.renderProgram.uniforms.containerRatio),c.uniform1i(this.renderProgram.locations.samplerBackground,0),c.uniform1i(this.renderProgram.locations.samplerRipples,1),this.drawQuad(),c.disable(c.BLEND)},update:function(){c.viewport(0,0,this.resolution,this.resolution);for(var e=0;e<2;e++)c.bindFramebuffer(c.FRAMEBUFFER,this.framebuffers[e]),a(this.textures[1-e]),c.useProgram(this.updateProgram[e].id),this.drawQuad();c.bindFramebuffer(c.FRAMEBUFFER,null)},computeTextureBoundaries:function(){var e=this.$el.css("background-size"),r=this.$el.css("background-attachment"),i=o(this.$el.css("background-position")),n="fixed"==r?h:this.$el,a=n.offset()||{left:pageXOffset,top:pageYOffset},s=n.innerWidth(),u=n.innerHeight();if("cover"==e)var c=Math.max(s/this.backgroundWidth,u/this.backgroundHeight),d=this.backgroundWidth*c,f=this.backgroundHeight*c;else if("contain"==e)var c=Math.min(s/this.backgroundWidth,u/this.backgroundHeight),d=this.backgroundWidth*c,f=this.backgroundHeight*c;else{e=e.split(" ");var d=e[0]||"",f=e[1]||d;t(d)?d=s*parseFloat(d)/100:"auto"!=d&&(d=parseFloat(d)),t(f)?f=u*parseFloat(f)/100:"auto"!=f&&(f=parseFloat(f)),"auto"==d&&"auto"==f?(d=this.backgroundWidth,f=this.backgroundHeight):("auto"==d&&(d=this.backgroundWidth*(f/this.backgroundHeight)),"auto"==f&&(f=this.backgroundHeight*(d/this.backgroundWidth)))}var l=i[0],g=i[1];l=t(l)?a.left+(s-d)*parseFloat(l)/100:a.left+parseFloat(l),g=t(g)?a.top+(u-f)*parseFloat(g)/100:a.top+parseFloat(g);var m=this.$el.offset();this.renderProgram.uniforms.topLeft=new Float32Array([(m.left-l)/d,(m.top-g)/f]),this.renderProgram.uniforms.bottomRight=new Float32Array([this.renderProgram.uniforms.topLeft[0]+this.$el.innerWidth()/d,this.renderProgram.uniforms.topLeft[1]+this.$el.innerHeight()/f]);var p=Math.max(this.canvas.width,this.canvas.height);this.renderProgram.uniforms.containerRatio=new Float32Array([this.canvas.width/p,this.canvas.height/p])},initShaders:function(){var e=["attribute vec2 vertex;","varying vec2 coord;","void main() {","coord = vertex * 0.5 + 0.5;","gl_Position = vec4(vertex, 0.0, 1.0);","}"].join("\n");this.dropProgram=n(e,["precision highp float;","const float PI = 3.141592653589793;","uniform sampler2D texture;","uniform vec2 center;","uniform float radius;","uniform float strength;","varying vec2 coord;","void main() {","vec4 info = texture2D(texture, coord);","float drop = max(0.0, 1.0 - length(center * 0.5 + 0.5 - coord) / radius);","drop = 0.5 - cos(drop * PI) * 0.5;","info.r += drop * strength;","gl_FragColor = info;","}"].join("\n")),this.updateProgram=[0,0],this.updateProgram[0]=n(e,["precision highp float;","uniform sampler2D texture;","uniform vec2 delta;","varying vec2 coord;","void main() {","vec4 info = texture2D(texture, coord);","vec2 dx = vec2(delta.x, 0.0);","vec2 dy = vec2(0.0, delta.y);","float average = (","texture2D(texture, coord - dx).r +","texture2D(texture, coord - dy).r +","texture2D(texture, coord + dx).r +","texture2D(texture, coord + dy).r",") * 0.25;","info.g += (average - info.r) * 2.0;","info.g *= 0.995;","info.r += info.g;","gl_FragColor = info;","}"].join("\n")),c.uniform2fv(this.updateProgram[0].locations.delta,this.textureDelta),this.updateProgram[1]=n(e,["precision highp float;","uniform sampler2D texture;","uniform vec2 delta;","varying vec2 coord;","void main() {","vec4 info = texture2D(texture, coord);","vec3 dx = vec3(delta.x, texture2D(texture, vec2(coord.x + delta.x, coord.y)).r - info.r, 0.0);","vec3 dy = vec3(0.0, texture2D(texture, vec2(coord.x, coord.y + delta.y)).r - info.r, delta.y);","info.ba = normalize(cross(dy, dx)).xz;","gl_FragColor = info;","}"].join("\n")),c.uniform2fv(this.updateProgram[1].locations.delta,this.textureDelta),this.renderProgram=n(["precision highp float;","attribute vec2 vertex;","uniform vec2 topLeft;","uniform vec2 bottomRight;","uniform vec2 containerRatio;","varying vec2 ripplesCoord;","varying vec2 backgroundCoord;","void main() {","backgroundCoord = mix(topLeft, bottomRight, vertex * 0.5 + 0.5);","backgroundCoord.y = 1.0 - backgroundCoord.y;","ripplesCoord = vec2(vertex.x, -vertex.y) * containerRatio * 0.5 + 0.5;","gl_Position = vec4(vertex.x, -vertex.y, 0.0, 1.0);","}"].join("\n"),["precision highp float;","uniform sampler2D samplerBackground;","uniform sampler2D samplerRipples;","uniform float perturbance;","varying vec2 ripplesCoord;","varying vec2 backgroundCoord;","void main() {","vec2 offset = -texture2D(samplerRipples, ripplesCoord).ba;","float specular = pow(max(0.0, dot(offset, normalize(vec2(-0.6, 1.0)))), 4.0);","gl_FragColor = texture2D(samplerBackground, backgroundCoord + offset * perturbance) + specular;","}"].join("\n"))},initTexture:function(){this.backgroundTexture=c.createTexture(),c.bindTexture(c.TEXTURE_2D,this.backgroundTexture),c.pixelStorei(c.UNPACK_FLIP_Y_WEBGL,1),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MAG_FILTER,c.LINEAR),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MIN_FILTER,c.LINEAR)},setTransparentTexture:function(){c.bindTexture(c.TEXTURE_2D,this.backgroundTexture),c.texImage2D(c.TEXTURE_2D,0,c.RGBA,c.RGBA,c.UNSIGNED_BYTE,d)},hideCssBackground:function(){var e=this.$el[0].style.backgroundImage;"none"!=e&&(this.originalInlineCss=e,this.originalCssBackgroundImage=this.$el.css("backgroundImage"),this.$el.css("backgroundImage","none"))},restoreCssBackground:function(){this.$el.css("backgroundImage",this.originalInlineCss||"")},dropAtMouse:function(e,t,r){var i=parseInt(this.$el.css("border-left-width"))||0,o=parseInt(this.$el.css("border-top-width"))||0;this.drop(e.pageX-this.$el.offset().left-i,e.pageY-this.$el.offset().top-o,t,r)},drop:function(e,t,r,i){c=this.context;var o=this.$el.innerWidth(),n=this.$el.innerHeight(),s=Math.max(o,n);r/=s;var u=new Float32Array([(2*e-o)/s,(n-2*t)/s]);c.viewport(0,0,this.resolution,this.resolution),c.bindFramebuffer(c.FRAMEBUFFER,this.framebuffers[0]),a(this.textures[1]),c.useProgram(this.dropProgram.id),c.uniform2fv(this.dropProgram.locations.center,u),c.uniform1f(this.dropProgram.locations.radius,r),c.uniform1f(this.dropProgram.locations.strength,i),this.drawQuad();var h=this.framebuffers[0];this.framebuffers[0]=this.framebuffers[1],this.framebuffers[1]=h,h=this.textures[0],this.textures[0]=this.textures[1],this.textures[1]=h,c.bindFramebuffer(c.FRAMEBUFFER,null)},destroy:function(){this.$el.off(".ripples").removeClass("jquery-ripples").removeData("ripples"),this.$canvas.remove(),this.restoreCssBackground()},show:function(){this.visible=!0,this.$canvas.show(),this.hideCssBackground()},hide:function(){this.visible=!1,this.$canvas.hide(),this.restoreCssBackground()},pause:function(){this.running=!1},play:function(){this.running=!0},set:function(e,t){switch(e){case"dropRadius":case"perturbance":case"interactive":case"crossOrigin":this[e]=t;break;case"imageUrl":this.imageUrl=t,this.loadImage()}}};var g=e.fn.ripples;e.fn.ripples=function(t){if(!f)throw new Error("Your browser does not support WebGL or the OES_texture_float extension.");var r=arguments.length>1?Array.prototype.slice.call(arguments,1):void 0;return this.each(function(){var i=e(this),o=i.data("ripples"),n=e.extend({},l.DEFAULTS,i.data(),"object"==typeof t&&t);(o||"string"!=typeof t)&&(o?"string"==typeof t&&l.prototype[t].apply(o,r):i.data("ripples",o=new l(this,n)))})},e.fn.ripples.Constructor=l,e.fn.ripples.noConflict=function(){return e.fn.ripples=g,this}}); \ No newline at end of file diff --git a/jquery.ripples.js b/jquery.ripples.js index fe91848..d944396 100644 --- a/jquery.ripples.js +++ b/jquery.ripples.js @@ -1,5 +1,5 @@ /*! - * jQuery Ripples plugin v0.5.0 / http://github.com/sirxemic/jquery.ripples + * jQuery Ripples plugin v0.5.1 / http://github.com/sirxemic/jquery.ripples * MIT License * @author sirxemic / http://sirxemic.com/ */ diff --git a/package.json b/package.json index 8a1462c..8906d4a 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "jquery.ripples", - "version": "0.5.0", + "version": "0.5.1", "description": "Add a water ripple effect to background images using WebGL.", "keywords": [ "jquery",