!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("babylonjs")):"function"==typeof define&&define.amd?define("babylonjs-materials",["babylonjs"],t):"object"==typeof exports?exports["babylonjs-materials"]=t(require("babylonjs")):e.MATERIALS=t(e.BABYLON)}("undefined"!=typeof self?self:"undefined"!=typeof global?global:this,(function(e){return function(e){var t={};function i(n){if(t[n])return t[n].exports;var r=t[n]={i:n,l:!1,exports:{}};return e[n].call(r.exports,r,r.exports,i),r.l=!0,r.exports}return i.m=e,i.c=t,i.d=function(e,t,n){i.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},i.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.t=function(e,t){if(1&t&&(e=i(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(i.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var r in e)i.d(n,r,function(t){return e[t]}.bind(null,r));return n},i.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return i.d(t,"a",t),t},i.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},i.p="",i(i.s=25)}({0:function(t,i){t.exports=e},1:function(e,t,i){"use strict";i.d(t,"b",(function(){return r})),i.d(t,"a",(function(){return o})); /*! ***************************************************************************** Copyright (c) Microsoft Corporation. Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ***************************************************************************** */ var n=function(e,t){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i])})(e,t)};function r(e,t){function i(){this.constructor=e}n(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)}function o(e,t,i,n){var r,o=arguments.length,a=o<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(e,t,i,n);else for(var c=e.length-1;c>=0;c--)(r=e[c])&&(a=(o<3?r(a):o>3?r(t,i,a):r(t,i))||a);return o>3&&a&&Object.defineProperty(t,i,a),a}Object.create;Object.create},2:function(e,t){var i;i=function(){return this}();try{i=i||new Function("return this")()}catch(e){"object"==typeof window&&(i=window)}e.exports=i},25:function(e,t,i){"use strict";i.r(t),function(e){var n=i(7);i.d(t,"GridMaterial",(function(){return n.GridMaterial}));var r=void 0!==e?e:"undefined"!=typeof window?window:void 0;if(void 0!==r)for(var o in n)r.BABYLON[o]=n[o]}.call(this,i(2))},7:function(e,t,i){"use strict";i.r(t),i.d(t,"GridMaterial",(function(){return f}));var n=i(1),r=i(0),o="#extension GL_OES_standard_derivatives : enable\n#define SQRT2 1.41421356\n#define PI 3.14159\nprecision highp float;\nuniform vec3 mainColor;\nuniform vec3 lineColor;\nuniform vec4 gridControl;\nuniform vec3 gridOffset;\n\nvarying vec3 vPosition;\nvarying vec3 vNormal;\n#include\n\n#ifdef OPACITY\nvarying vec2 vOpacityUV;\nuniform sampler2D opacitySampler;\nuniform vec2 vOpacityInfos;\n#endif\nfloat getVisibility(float position) {\n\nfloat majorGridFrequency=gridControl.y;\nif (floor(position+0.5) == floor(position/majorGridFrequency+0.5)*majorGridFrequency)\n{\nreturn 1.0;\n}\nreturn gridControl.z;\n}\nfloat getAnisotropicAttenuation(float differentialLength) {\nconst float maxNumberOfLines=10.0;\nreturn clamp(1.0/(differentialLength+1.0)-1.0/maxNumberOfLines,0.0,1.0);\n}\nfloat isPointOnLine(float position,float differentialLength) {\nfloat fractionPartOfPosition=position-floor(position+0.5);\nfractionPartOfPosition/=differentialLength;\nfractionPartOfPosition=clamp(fractionPartOfPosition,-1.,1.);\nfloat result=0.5+0.5*cos(fractionPartOfPosition*PI);\nreturn result;\n}\nfloat contributionOnAxis(float position) {\nfloat differentialLength=length(vec2(dFdx(position),dFdy(position)));\ndifferentialLength*=SQRT2;\n\nfloat result=isPointOnLine(position,differentialLength);\n\nfloat visibility=getVisibility(position);\nresult*=visibility;\n\nfloat anisotropicAttenuation=getAnisotropicAttenuation(differentialLength);\nresult*=anisotropicAttenuation;\nreturn result;\n}\nfloat normalImpactOnAxis(float x) {\nfloat normalImpact=clamp(1.0-3.0*abs(x*x*x),0.0,1.0);\nreturn normalImpact;\n}\nvoid main(void) {\n\nfloat gridRatio=gridControl.x;\nvec3 gridPos=(vPosition+gridOffset.xyz)/gridRatio;\n\nfloat x=contributionOnAxis(gridPos.x);\nfloat y=contributionOnAxis(gridPos.y);\nfloat z=contributionOnAxis(gridPos.z);\n\nvec3 normal=normalize(vNormal);\nx*=normalImpactOnAxis(normal.x);\ny*=normalImpactOnAxis(normal.y);\nz*=normalImpactOnAxis(normal.z);\n\nfloat grid=clamp(x+y+z,0.,1.);\n\nvec3 color=mix(mainColor,lineColor,grid);\n#ifdef FOG\n#include\n#endif\nfloat opacity=1.0;\n#ifdef TRANSPARENT\nopacity=clamp(grid,0.08,gridControl.w*grid);\n#endif\n#ifdef OPACITY\nopacity*=texture2D(opacitySampler,vOpacityUV).a;\n#endif\n\ngl_FragColor=vec4(color.rgb,opacity);\n#ifdef TRANSPARENT\n#ifdef PREMULTIPLYALPHA\ngl_FragColor.rgb*=opacity;\n#endif\n#else\n#endif\n#include\n}";r.Effect.ShadersStore.gridPixelShader=o;var a="precision highp float;\n\nattribute vec3 position;\nattribute vec3 normal;\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#include\n\nuniform mat4 projection;\nuniform mat4 view;\n\nvarying vec3 vPosition;\nvarying vec3 vNormal;\n#include\n#ifdef OPACITY\nvarying vec2 vOpacityUV;\nuniform mat4 opacityMatrix;\nuniform vec2 vOpacityInfos;\n#endif\nvoid main(void) {\n#include\nvec4 worldPos=finalWorld*vec4(position,1.0);\n#include\nvec4 cameraSpacePosition=view*worldPos;\ngl_Position=projection*cameraSpacePosition;\n#ifdef OPACITY\n#ifndef UV1\nvec2 uv=vec2(0.,0.);\n#endif\n#ifndef UV2\nvec2 uv2=vec2(0.,0.);\n#endif\nif (vOpacityInfos.x == 0.)\n{\nvOpacityUV=vec2(opacityMatrix*vec4(uv,1.0,0.0));\n}\nelse\n{\nvOpacityUV=vec2(opacityMatrix*vec4(uv2,1.0,0.0));\n}\n#endif\nvPosition=position;\nvNormal=normal;\n}";r.Effect.ShadersStore.gridVertexShader=a;var c=function(e){function t(){var t=e.call(this)||this;return t.OPACITY=!1,t.TRANSPARENT=!1,t.FOG=!1,t.PREMULTIPLYALPHA=!1,t.UV1=!1,t.UV2=!1,t.INSTANCES=!1,t.THIN_INSTANCES=!1,t.IMAGEPROCESSINGPOSTPROCESS=!1,t.rebuild(),t}return Object(n.b)(t,e),t}(r.MaterialDefines),f=function(e){function t(t,i){var n=e.call(this,t,i)||this;return n.mainColor=r.Color3.Black(),n.lineColor=r.Color3.Teal(),n.gridRatio=1,n.gridOffset=r.Vector3.Zero(),n.majorUnitFrequency=10,n.minorUnitVisibility=.33,n.opacity=1,n.preMultiplyAlpha=!1,n._gridControl=new r.Vector4(n.gridRatio,n.majorUnitFrequency,n.minorUnitVisibility,n.opacity),n}return Object(n.b)(t,e),t.prototype.needAlphaBlending=function(){return this.opacity<1||this._opacityTexture&&this._opacityTexture.isReady()},t.prototype.needAlphaBlendingForMesh=function(e){return this.needAlphaBlending()},t.prototype.isReadyForSubMesh=function(e,t,i){if(this.isFrozen&&t.effect&&t.effect._wasPreviouslyReady)return!0;t._materialDefines||(t._materialDefines=new c);var n=t._materialDefines,o=this.getScene();if(this._isReadyForSubMesh(t))return!0;if(n.TRANSPARENT!==this.opacity<1&&(n.TRANSPARENT=!n.TRANSPARENT,n.markAsUnprocessed()),n.PREMULTIPLYALPHA!=this.preMultiplyAlpha&&(n.PREMULTIPLYALPHA=!n.PREMULTIPLYALPHA,n.markAsUnprocessed()),n._areTexturesDirty&&(n._needUVs=!1,o.texturesEnabled&&this._opacityTexture&&r.MaterialFlags.OpacityTextureEnabled)){if(!this._opacityTexture.isReady())return!1;n._needUVs=!0,n.OPACITY=!0}if(r.MaterialHelper.PrepareDefinesForMisc(e,o,!1,!1,this.fogEnabled,!1,n),r.MaterialHelper.PrepareDefinesForFrameBoundValues(o,o.getEngine(),n,!!i),n.isDirty){n.markAsProcessed(),o.resetCachedMaterial(),r.MaterialHelper.PrepareDefinesForAttributes(e,n,!1,!1);var a=[r.VertexBuffer.PositionKind,r.VertexBuffer.NormalKind];n.UV1&&a.push(r.VertexBuffer.UVKind),n.UV2&&a.push(r.VertexBuffer.UV2Kind),n.IMAGEPROCESSINGPOSTPROCESS=o.imageProcessingConfiguration.applyByPostProcess,r.MaterialHelper.PrepareAttributesForInstances(a,n);var f=n.toString();t.setEffect(o.getEngine().createEffect("grid",a,["projection","mainColor","lineColor","gridControl","gridOffset","vFogInfos","vFogColor","world","view","opacityMatrix","vOpacityInfos"],["opacitySampler"],f,void 0,this.onCompiled,this.onError),n)}return!(!t.effect||!t.effect.isReady())&&(n._renderId=o.getRenderId(),t.effect._wasPreviouslyReady=!0,!0)},t.prototype.bindForSubMesh=function(e,t,i){var n=this.getScene(),o=i._materialDefines;if(o){var a=i.effect;a&&(this._activeEffect=a,o.INSTANCES&&!o.THIN_INSTANCE||this.bindOnlyWorldMatrix(e),this._activeEffect.setMatrix("view",n.getViewMatrix()),this._activeEffect.setMatrix("projection",n.getProjectionMatrix()),this._mustRebind(n,a)&&(this._activeEffect.setColor3("mainColor",this.mainColor),this._activeEffect.setColor3("lineColor",this.lineColor),this._activeEffect.setVector3("gridOffset",this.gridOffset),this._gridControl.x=this.gridRatio,this._gridControl.y=Math.round(this.majorUnitFrequency),this._gridControl.z=this.minorUnitVisibility,this._gridControl.w=this.opacity,this._activeEffect.setVector4("gridControl",this._gridControl),this._opacityTexture&&r.MaterialFlags.OpacityTextureEnabled&&(this._activeEffect.setTexture("opacitySampler",this._opacityTexture),this._activeEffect.setFloat2("vOpacityInfos",this._opacityTexture.coordinatesIndex,this._opacityTexture.level),this._activeEffect.setMatrix("opacityMatrix",this._opacityTexture.getTextureMatrix()))),r.MaterialHelper.BindFogParameters(n,t,this._activeEffect),this._afterBind(t,this._activeEffect))}},t.prototype.dispose=function(t){e.prototype.dispose.call(this,t)},t.prototype.clone=function(e){var i=this;return r.SerializationHelper.Clone((function(){return new t(e,i.getScene())}),this)},t.prototype.serialize=function(){var e=r.SerializationHelper.Serialize(this);return e.customType="BABYLON.GridMaterial",e},t.prototype.getClassName=function(){return"GridMaterial"},t.Parse=function(e,i,n){return r.SerializationHelper.Parse((function(){return new t(e.name,i)}),e,i,n)},Object(n.a)([Object(r.serializeAsColor3)()],t.prototype,"mainColor",void 0),Object(n.a)([Object(r.serializeAsColor3)()],t.prototype,"lineColor",void 0),Object(n.a)([Object(r.serialize)()],t.prototype,"gridRatio",void 0),Object(n.a)([Object(r.serializeAsColor3)()],t.prototype,"gridOffset",void 0),Object(n.a)([Object(r.serialize)()],t.prototype,"majorUnitFrequency",void 0),Object(n.a)([Object(r.serialize)()],t.prototype,"minorUnitVisibility",void 0),Object(n.a)([Object(r.serialize)()],t.prototype,"opacity",void 0),Object(n.a)([Object(r.serialize)()],t.prototype,"preMultiplyAlpha",void 0),Object(n.a)([Object(r.serializeAsTexture)("opacityTexture")],t.prototype,"_opacityTexture",void 0),Object(n.a)([Object(r.expandToProperty)("_markAllSubMeshesAsTexturesDirty")],t.prototype,"opacityTexture",void 0),t}(r.PushMaterial);r._TypeStore.RegisteredTypes["BABYLON.GridMaterial"]=f}})}));