aframe-lensflare-component.min.js

!function(e){function t(r){if(i[r])return i[r].exports;var n=i[r]={exports:{},id:r,loaded:!1};return e[r].call(n.exports,n,n.exports,t),n.loaded=!0,n.exports}var i={};return t.m=e,t.c=i,t.p="",t(0)}([function(e,t,i){"use strict";if("undefined"==typeof AFRAME)throw new Error("Component attempted to register before AFRAME was available.");if("undefined"==typeof THREE)throw new Error("Component attempted to register before THREE was available.");i(1),AFRAME.registerComponent("lensflare",{schema:{src:{type:"asset"},createLight:{type:"boolean",default:!0},position:{type:"vec3"},target:{type:"string"},intensity:{type:"number",default:5},relative:{type:"boolean",default:!0},size:{type:"number",default:500},lightColor:{type:"string",default:"rgb(255, 255, 255)"},lightDistance:{type:"number",default:4},lightAngle:{type:"number",default:Math.PI/3},lightPenumbra:{type:"number",default:.077},lightDecay:{type:"number",default:1},lightType:{default:"spot",oneOf:["directional","point","spot"]}},multiple:!0,setLightType:function(e,t){switch(e){case"spot":return new THREE.SpotLight(new THREE.Color(t.lightColor),t.intensity,t.lightDistance,t.lightAngle,t.lightPenumbra,t.lightDecay);case"point":return new THREE.PointLight(new THREE.Color(t.lightColor),t.intensity,t.lightDistance,t.lightDecay);case"directional":return new THREE.DirectionalLight(new THREE.Color(t.lightColor),t.intensity)}},init:function(){var e=document.querySelector("a-scene").object3D,t=this.el.object3D,i=this.el.sceneEl.object3D,r=this.data.relative?new THREE.Vector3(0,0,0):this.data.position,n=new THREE.TextureLoader,a=n.load(this.data.src.currentSrc,function(e){return e},void 0,function(e){throw new Error("An error occured loading the Flare texture")});if(this.lensFlare=new THREE.Lensflare,this.lensFlareElement=new THREE.LensflareElement(a,this.data.size,0,new THREE.Color(this.data.lightColor)),this.lensFlare.addElement(this.lensFlareElement),this.lensFlare.position.copy(r),this.data.createLight){var o=this.setLightType(this.data.lightType.toLowerCase(),this.data),l=!!this.data.target&&this.data.target;l&&(o.target=document.querySelector(this.data.target).object3D,i.add(o.target),i.updateMatrixWorld()),o.position.set(r.x,r.y,r.z),this.data.relative?(o.add(this.lensFlare),t.add(o),i.updateMatrixWorld()):e.add(o)}else this.data.relative?(t.add(this.lensFlare),i.updateMatrixWorld()):e.add(this.lensFlare)},update:function(e){},remove:function(){},pause:function(){},play:function(){}})},function(e,t){"use strict";THREE.Lensflare=function(){THREE.Mesh.call(this,THREE.Lensflare.Geometry,new THREE.MeshBasicMaterial({opacity:0,transparent:!0})),this.type="Lensflare",this.frustumCulled=!1,this.renderOrder=1/0;var e=new THREE.Vector3,t=new THREE.Vector3,i=new THREE.DataTexture(new Uint8Array(768),16,16,THREE.RGBFormat);i.minFilter=THREE.NearestFilter,i.magFilter=THREE.NearestFilter,i.wrapS=THREE.ClampToEdgeWrapping,i.wrapT=THREE.ClampToEdgeWrapping,i.needsUpdate=!0;var r=new THREE.DataTexture(new Uint8Array(768),16,16,THREE.RGBFormat);r.minFilter=THREE.NearestFilter,r.magFilter=THREE.NearestFilter,r.wrapS=THREE.ClampToEdgeWrapping,r.wrapT=THREE.ClampToEdgeWrapping,r.needsUpdate=!0;var n=THREE.Lensflare.Geometry,a=new THREE.RawShaderMaterial({uniforms:{scale:{value:null},screenPosition:{value:null}},vertexShader:["precision highp float;","uniform vec3 screenPosition;","uniform vec2 scale;","attribute vec3 position;","void main() {","\tgl_Position = vec4( position.xy * scale + screenPosition.xy, screenPosition.z, 1.0 );","}"].join("\n"),fragmentShader:["precision highp float;","void main() {","\tgl_FragColor = vec4( 1.0, 0.0, 1.0, 1.0 );","}"].join("\n"),depthTest:!0,depthWrite:!1,transparent:!1}),o=new THREE.RawShaderMaterial({uniforms:{map:{value:i},scale:{value:null},screenPosition:{value:null}},vertexShader:["precision highp float;","uniform vec3 screenPosition;","uniform vec2 scale;","attribute vec3 position;","attribute vec2 uv;","varying vec2 vUV;","void main() {","\tvUV = uv;","\tgl_Position = vec4( position.xy * scale + screenPosition.xy, screenPosition.z, 1.0 );","}"].join("\n"),fragmentShader:["precision highp float;","uniform sampler2D map;","varying vec2 vUV;","void main() {","\tgl_FragColor = texture2D( map, vUV );","}"].join("\n"),depthTest:!1,depthWrite:!1,transparent:!1}),l=new THREE.Mesh(n,a),s=[],c=THREE.LensflareElement.Shader,u=new THREE.RawShaderMaterial({uniforms:{map:{value:null},occlusionMap:{value:r},color:{value:new THREE.Color(16777215)},scale:{value:new THREE.Vector2},screenPosition:{value:new THREE.Vector3}},vertexShader:c.vertexShader,fragmentShader:c.fragmentShader,blending:THREE.AdditiveBlending,transparent:!0,depthWrite:!1}),p=new THREE.Mesh(n,u);this.addElement=function(e){s.push(e)};var E=new THREE.Vector2,v=new THREE.Vector2,d=new THREE.Box2,f=new THREE.Vector4;this.onBeforeRender=function(c,h,m){c.getCurrentViewport(f);var y=f.w/f.z,g=f.z/2,T=f.w/2,R=16/f.w;if(E.set(R*y,R),d.min.set(f.x,f.y),d.max.set(f.x+(f.z-16),f.y+(f.w-16)),t.setFromMatrixPosition(this.matrixWorld),t.applyMatrix4(m.matrixWorldInverse),!(t.z>0)&&(e.copy(t).applyMatrix4(m.projectionMatrix),v.x=f.x+e.x*g+g-8,v.y=f.y+e.y*T+T-8,d.containsPoint(v))){c.copyFramebufferToTexture(v,i);var x=a.uniforms;x.scale.value=E,x.screenPosition.value=e,c.renderBufferDirect(m,null,n,a,l,null),c.copyFramebufferToTexture(v,r);var x=o.uniforms;x.scale.value=E,x.screenPosition.value=e,c.renderBufferDirect(m,null,n,o,l,null);for(var w=2*-e.x,H=2*-e.y,b=0,M=s.length;b<M;b++){var D=s[b],x=u.uniforms;x.color.value.copy(D.color),x.map.value=D.texture,x.screenPosition.value.x=e.x+w*D.distance,x.screenPosition.value.y=e.y+H*D.distance;var R=D.size/f.w,y=f.w/f.z;x.scale.value.set(R*y,R),u.uniformsNeedUpdate=!0,c.renderBufferDirect(m,null,n,u,p,null)}}},this.dispose=function(){a.dispose(),o.dispose(),u.dispose(),i.dispose(),r.dispose();for(var e=0,t=s.length;e<t;e++)s[e].texture.dispose()}},THREE.Lensflare.prototype=Object.create(THREE.Mesh.prototype),THREE.Lensflare.prototype.constructor=THREE.Lensflare,THREE.Lensflare.prototype.isLensflare=!0,THREE.LensflareElement=function(e,t,i,r){this.texture=e,this.size=t||1,this.distance=i||0,this.color=r||new THREE.Color(16777215)},THREE.LensflareElement.Shader={uniforms:{map:{value:null},occlusionMap:{value:null},color:{value:null},scale:{value:null},screenPosition:{value:null}},vertexShader:["precision highp float;","uniform vec3 screenPosition;","uniform vec2 scale;","uniform sampler2D occlusionMap;","attribute vec3 position;","attribute vec2 uv;","varying vec2 vUV;","varying float vVisibility;","void main() {","\tvUV = uv;","\tvec2 pos = position.xy;","\tvec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );","\tvisibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );","\tvVisibility =        visibility.r / 9.0;","\tvVisibility *= 1.0 - visibility.g / 9.0;","\tvVisibility *=       visibility.b / 9.0;","\tgl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );","}"].join("\n"),fragmentShader:["precision highp float;","uniform sampler2D map;","uniform vec3 color;","varying vec2 vUV;","varying float vVisibility;","void main() {","\tvec4 texture = texture2D( map, vUV );","\ttexture.a *= vVisibility;","\tgl_FragColor = texture;","\tgl_FragColor.rgb *= color;","}"].join("\n")},THREE.Lensflare.Geometry=function(){var e=new THREE.BufferGeometry,t=new Float32Array([-1,-1,0,0,0,1,-1,0,1,0,1,1,0,1,1,-1,1,0,0,1]),i=new THREE.InterleavedBuffer(t,5);return e.setIndex([0,1,2,0,2,3]),e.addAttribute("position",new THREE.InterleavedBufferAttribute(i,3,0,!1)),e.addAttribute("uv",new THREE.InterleavedBufferAttribute(i,2,3,!1)),e}()}]);
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