From ed877011b9ac2bdce392a6f22da1fde4031d622a Mon Sep 17 00:00:00 2001
From: wangzhibo <wangzhibo@shsening.com>
Date: 星期一, 13 九月 2021 19:58:00 +0800
Subject: [PATCH] bug fix

---
 lib/mars3d/plugins/wind/mars3d-wind.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/mars3d/plugins/wind/mars3d-wind.js b/lib/mars3d/plugins/wind/mars3d-wind.js
index b3b17fd..54b9ea0 100644
--- a/lib/mars3d/plugins/wind/mars3d-wind.js
+++ b/lib/mars3d/plugins/wind/mars3d-wind.js
@@ -1 +1 @@
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_0x113f7e=_0x3db6fb['lng']+this['calc_speedRate'][0x0]*_0x2262c8[0x0],_0x11550c=_0x3db6fb[_0x2565e7(0x22d)]+this[_0x2565e7(0x273)][0x1]*_0x2262c8[0x1];return _0x550966[_0x2565e7(0x210)]=_0x3db6fb['lng'],_0x550966[_0x2565e7(0x22d)]=_0x3db6fb[_0x2565e7(0x22d)],_0x550966[_0x2565e7(0x294)]=_0x113f7e,_0x550966['tlat']=_0x11550c,_0x550966[_0x2565e7(0x2cc)]=Math[_0x2565e7(0x330)](Math['random']()*this[_0x2565e7(0x21b)]),_0x550966;}},{'key':_0xb6b03f(0x359),'value':function(){var _0x41111f=_0xb6b03f;this[_0x41111f(0x229)]=[],delete this['windField'],delete this[_0x41111f(0x26b)];}}]),_0x5f52df;}(_0x5bc5b5['layer'][_0x445ccb(0x328)]);function _0x398247(_0x3c48e4,_0x30b668){var _0xe4a9ff=_0x445ccb;return _0x3c48e4*Math[_0xe4a9ff(0x252)](_0x6f4903[_0xe4a9ff(0x25e)][_0xe4a9ff(0x317)](_0x30b668));}function _0x46a321(_0x1495f,_0x929e14){var _0x37215b=_0x445ccb;return _0x1495f*Math[_0x37215b(0x340)](_0x6f4903[_0x37215b(0x25e)]['toRadians'](_0x929e14));}function _0x5aea71(_0x5ca729,_0x512aeb){var _0x3eaf33=_0x445ccb;return Math[_0x3eaf33(0x254)](Math['pow'](_0x5ca729,0x2)+Math['pow'](_0x512aeb,0x2));}function _0x2eb757(_0x303936,_0x3a501e){var _0x2fb595=_0x445ccb,_0x4e9ec7=_0x6f4903['Math']['toDegrees'](Math[_0x2fb595(0x2ca)](_0x3a501e,_0x303936));return _0x4e9ec7+=_0x4e9ec7<0x0?0x168:0x0;}_0x5bc5b5[_0x445ccb(0x2a4)][_0x445ccb(0x27e)](_0x445ccb(0x227),_0x5456a4),_0x5bc5b5[_0x445ccb(0x31f)]['CanvasWindLayer']=_0x5456a4,_0x5bc5b5[_0x445ccb(0x25d)]=_0x44b5a8;}]);}));function a0_0x17e1(){var _0x4c4acc=['frameRate','randomBetween','IDENTITY','MOUSE_MOVE','mode','userInput','camera','RGB','ellipsoid','lonRange','DepthFunction','lng','destroyObject','isPointVisible','geometry','bind','fromDegrees','unbindEvent','speedRate','clearCommand','windTextures','ymax','maxAge','createSegmentsGeometry','undefined','uniform\x20sampler2D\x20trailsColorTexture;\x0d\x0auniform\x20sampler2D\x20trailsDepthTexture;\x0d\x0a\x0d\x0avarying\x20vec2\x20textureCoordinate;\x0d\x0a\x0d\x0avoid\x20main()\x20{\x0d\x0a\x20\x20\x20\x20vec4\x20trailsColor\x20=\x20texture2D(trailsColorTexture,\x20textureCoordinate);\x0d\x0a\x20\x20\x20\x20float\x20trailsDepth\x20=\x20texture2D(trailsDepthTexture,\x20textureCoordinate).r;\x0d\x0a\x20\x20\x20\x20float\x20globeDepth\x20=\x20czm_unpackDepth(texture2D(czm_globeDepthTexture,\x20textureCoordinate));\x0d\x0a\x0d\x0a\x20\x20\x20\x20if\x20(trailsDepth\x20<\x20globeDepth)\x20{\x0d\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_FragColor\x20=\x20trailsColor;\x0d\x0a\x20\x20\x20\x20}\x20else\x20{\x0d\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_FragColor\x20=\x20vec4(0.0);\x0d\x0a\x20\x20\x20\x20}\x0d\x0a}','21yHxPle','lineTo','setAttribute','RIGHT_UP','destination-in','uniform\x20sampler2D\x20nextParticlesPosition;\x0auniform\x20sampler2D\x20nextParticlesSpeed;\x20//\x20(u,\x20v,\x20w,\x20normalization)\x0a\x0a//\x20range\x20(min,\x20max)\x0auniform\x20vec2\x20lonRange;\x0auniform\x20vec2\x20latRange;\x0a\x0auniform\x20float\x20randomCoefficient;\x20//\x20use\x20to\x20improve\x20the\x20pseudo-random\x20generator\x0auniform\x20float\x20dropRate;\x20//\x20drop\x20rate\x20is\x20a\x20chance\x20a\x20particle\x20will\x20restart\x20at\x20random\x20position\x20to\x20avoid\x20degeneration\x0auniform\x20float\x20dropRateBump;\x0a\x0avarying\x20vec2\x20v_textureCoordinates;\x0a\x0a//\x20pseudo-random\x20generator\x0aconst\x20vec3\x20randomConstants\x20=\x20vec3(12.9898,\x2078.233,\x204375.85453);\x0aconst\x20vec2\x20normalRange\x20=\x20vec2(0.0,\x201.0);\x0afloat\x20rand(vec2\x20seed,\x20vec2\x20range)\x20{\x0a\x20\x20\x20\x20vec2\x20randomSeed\x20=\x20randomCoefficient\x20*\x20seed;\x0a\x20\x20\x20\x20float\x20temp\x20=\x20dot(randomConstants.xy,\x20randomSeed);\x0a\x20\x20\x20\x20temp\x20=\x20fract(sin(temp)\x20*\x20(randomConstants.z\x20+\x20temp));\x0a\x20\x20\x20\x20return\x20temp\x20*\x20(range.y\x20-\x20range.x)\x20+\x20range.x;\x0a}\x0a\x0avec3\x20generateRandomParticle(vec2\x20seed,\x20float\x20lev)\x20{\x0a\x20\x20\x20\x20//\x20ensure\x20the\x20longitude\x20is\x20in\x20[0,\x20360]\x0a\x20\x20\x20\x20float\x20randomLon\x20=\x20mod(rand(seed,\x20lonRange),\x20360.0);\x0a\x20\x20\x20\x20float\x20randomLat\x20=\x20rand(-seed,\x20latRange);\x0a\x0a\x20\x20\x20\x20return\x20vec3(randomLon,\x20randomLat,\x20lev);\x0a}\x0a\x0abool\x20particleOutbound(vec3\x20particle)\x20{\x0a\x20\x20\x20\x20return\x20particle.y\x20<\x20-90.0\x20||\x20particle.y\x20>\x2090.0;\x0a}\x0a\x0avoid\x20main()\x20{\x0a\x20\x20\x20\x20vec3\x20nextParticle\x20=\x20texture2D(nextParticlesPosition,\x20v_textureCoordinates).rgb;\x0a\x20\x20\x20\x20vec4\x20nextSpeed\x20=\x20texture2D(nextParticlesSpeed,\x20v_textureCoordinates);\x0a\x20\x20\x20\x20float\x20particleDropRate\x20=\x20dropRate\x20+\x20dropRateBump\x20*\x20nextSpeed.a;\x0a\x0a\x20\x20\x20\x20vec2\x20seed1\x20=\x20nextParticle.xy\x20+\x20v_textureCoordinates;\x0a\x20\x20\x20\x20vec2\x20seed2\x20=\x20nextSpeed.xy\x20+\x20v_textureCoordinates;\x0a\x20\x20\x20\x20vec3\x20randomParticle\x20=\x20generateRandomParticle(seed1,\x20nextParticle.z);\x0a\x20\x20\x20\x20float\x20randomNumber\x20=\x20rand(seed2,\x20normalRange);\x0a\x0a\x20\x20\x20\x20if\x20(randomNumber\x20<\x20particleDropRate\x20||\x20particleOutbound(nextParticle))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_FragColor\x20=\x20vec4(randomParticle,\x201.0);\x20//\x201.0\x20means\x20this\x20is\x20a\x20random\x20particle\x0a\x20\x20\x20\x20}\x20else\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_FragColor\x20=\x20vec4(nextParticle,\x200.0);\x0a\x20\x20\x20\x20}\x0a}','update','PixelDatatype','canvasWind','TextureMinificationFilter','particles','Cannot\x20call\x20a\x20class\x20as\x20a\x20function','none','drawWind','lat','BoundingSphere','isInExtent','textures','context','getU','reverse','DISABLE_LOG_DEPTH_FRAGMENT_WRITE','DISABLE_GL_POSITION_LOG_DEPTH','WMS_URL','FLOAT','random','framebuffer','isDestroyed','createParticlesTextures','addPrimitives','source','options','getUVByXY','shaderProgram','EllipsoidalOccluder','randomizeParticles','STATIC_DRAW','Sampler','visibility','Matrix4','createRenderingPrimitives','style','LINEAR','defined','clientWidth','destroy','resize','hidden','keys','UNSIGNED_INT','PrimitiveCollection','cos','floor','sqrt','absolute','_bilinearInterpolation','Draw','attribute\x20vec3\x20position;\x0d\x0aattribute\x20vec2\x20st;\x0d\x0a\x0d\x0avarying\x20vec2\x20textureCoordinate;\x0d\x0a\x0d\x0avoid\x20main()\x20{\x0d\x0a\x20\x20\x20\x20textureCoordinate\x20=\x20st;\x0d\x0a\x20\x20\x20\x20gl_Position\x20=\x20vec4(po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=\x20texture2D(postProcessingPosition,\x20particleIndex);\x0a\x0a\x20\x20\x20\x20vec4\x20currentProjectedCoordinate\x20=\x20vec4(0.0);\x0a\x20\x20\x20\x20vec4\x20nextProjectedCoordinate\x20=\x20vec4(0.0);\x0a\x20\x20\x20\x20if\x20(nextPosition.w\x20>\x200.0)\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20currentProjectedCoordinate\x20=\x20calcProjectedCoordinate(currentPosition);\x0a\x20\x20\x20\x20\x20\x20\x20\x20nextProjectedCoordinate\x20=\x20calcProjectedCoordinate(currentPosition);\x0a\x20\x20\x20\x20}\x20else\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20currentProjectedCoordinate\x20=\x20calcProjectedCoordinate(currentPosition);\x0a\x20\x20\x20\x20\x20\x20\x20\x20nextProjectedCoordinate\x20=\x20calcProjectedCoordinate(nextPosition.xyz);\x0a\x20\x20\x20\x20}\x0a\x0a\x20\x20\x20\x20float\x20pointToUse\x20=\x20normal.x;\x20//\x20-1\x20is\x20currentProjectedCoordinate\x20and\x20+1\x20is\x20nextProjectedCoordinate\x0a\x20\x20\x20\x20float\x20offsetSign\x20=\x20normal.y;\x0a\x0a\x20\x20\x20\x20vec4\x20offset\x20=\x20pixelSize\x20*\x20calcOffset(currentProjectedCoordinate,\x20nextProjectedCoordinate,\x20offsetSign);\x0a\x20\x20\x20\x20if\x20(pointToUse\x20<\x200.0)\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_Position\x20=\x20currentProjectedCoordinate\x20+\x20offset;\x0a\x20\x20\x20\x20}\x20else\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_Position\x20=\x20nextProjectedCoordinate\x20+\x20offset;\x0a\x20\x20\x20\x20}\x0a\x0a\x20\x20\x20\x20speedNormalization\x20=\x20texture2D(postProcessingSpeed,\x20particleIndex).a;\x0a}','createRawRenderState','udata','segmentsColor','_calcStep','getPrototypeOf','tlat','maxParticles','tlng','Super\x20expression\x20must\x20either\x20be\x20null\x20or\x20a\x20function','currentTrails','moveEnd','PI_OVER_TWO','canvasContext','handler','WHEEL','Framebuffer','auto','particleSystem','_pointerEvents','ShaderProgram','Compute','TWO_PI','createFramebuffer','LayerUtil','globalCompositeOperation','construct','depthTexture','reverseY','getUVByPoint','stroke','dimensions','blending','updateSpeed','lon','Cartesian3','ComponentDatatype','getColorTexture','drawingBufferHeight','0px','rows','length','arrayBufferView','particlesWind','removeEventListener','segments','createCommand','Module','zIndex','postProcessingPosition','fillRect','1594416JNWirz','value','north','pointerEvents','setupEventListeners','valueOf','Derived\x20constructors\x20may\x20only\x20return\x20object\x20or\x20undefined','SceneTransforms','fill','__esModule','now','atan2','speedFactor','age','show','windField','createWindTextures','ClearCommand','nextParticlesPosition','commandToExecute','ShaderSource','UNSIGNED_BYTE','vdata','trails','_tomap','canvasResize','100%','setData','iterator','getSpeed','PrimitiveType','PixelFormat','getWind','getDirection','fixedHeight','_removedHook','fromGeometry','_speedRate','updateViewerParameters','canrefresh','lineWidth','uniform\x20sampler2D\x20currentParticlesSpeed;\x20//\x20(u,\x20v,\x20w,\x20normalization)\x0auniform\x20sampler2D\x20particlesWind;\x0a\x0a//\x20used\x20to\x20calculate\x20the\x20wind\x20norm\x0auniform\x20vec2\x20uSpeedRange;\x20//\x20(min,\x20max);\x0auniform\x20vec2\x20vSpeedRange;\x0auniform\x20float\x20pixelSize;\x0auniform\x20float\x20speedFactor;\x0a\x0avarying\x20vec2\x20v_textureCoordinates;\x0a\x0afloat\x20calculateWindNorm(vec3\x20speed)\x20{\x0a\x20\x20\x20\x20vec3\x20percent\x20=\x20vec3(0.0);\x0a\x20\x20\x20\x20percent.x\x20=\x20(speed.x\x20-\x20uSpeedRange.x)\x20/\x20(uSpeedRange.y\x20-\x20uSpeedRange.x);\x0a\x20\x20\x20\x20percent.y\x20=\x20(speed.y\x20-\x20vSpeedRange.x)\x20/\x20(vSpeedRange.y\x20-\x20vSpeedRange.x);\x0a\x20\x20\x20\x20float\x20normalization\x20=\x20length(percent);\x0a\x0a\x20\x20\x20\x20return\x20normalization;\x0a}\x0a\x0avoid\x20main()\x20{\x0a\x20\x20\x20\x20//\x20texture\x20coordinate\x20must\x20be\x20normalized\x0a\x20\x20\x20\x20vec3\x20currentSpeed\x20=\x20texture2D(currentParticlesSpeed,\x20v_textureCoordinates).rgb;\x0a\x20\x20\x20\x20vec3\x20windVector\x20=\x20texture2D(particlesWind,\x20v_textureCoordinates).rgb;\x0a\x0a\x20\x20\x20\x20vec4\x20nextSpeed\x20=\x20vec4(speedFactor\x20*\x20pixelSize\x20*\x20windVector,\x20calculateWindNorm(windVector));\x0a\x20\x20\x20\x20gl_FragColor\x20=\x20nextSpeed;\x0a}','removeAll','Appearance','createElement','_maxAge','toStringTag','autoClear','_mountedHook','segmentsDepth','drawingBufferWidth','destroyParticlesTextures','push','particlesTextures','getContext','ymin','mod','computeViewRectangle','amd','prototype','LEFT_DOWN','cols','setInputAction','PI_OVER_THREE','nextTrailsColor','canvas','data','getRandomLatLng','particlesTextureSize','forEach','createRenderingTextures','particlesComputing','defaultValue','sham','RIGHT_DOWN','mars3d-cesium','2284410TQnvWL','520886SnnxGe','4948128LDMLag','THREE_PI_OVER_TWO','_drawLines','object','globeLayer','moveStart','DrawCommand','getExtent','currentTrailsColor','uniform\x20sampler2D\x20colorTable;\x0a\x0avarying\x20float\x20speedNormalization;\x0a\x0avoid\x20ma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_0x40cf24(this['context'],this[_0x87af28(0x230)],this['userInput'],this['viewerParameters']),this[_0x87af28(0xde)]=new _0x3f9ce2(this[_0x87af28(0x211)],this[_0x87af28(0x230)],this['userInput'],this[_0x87af28(0x10a)],this['particlesComputing']);}},{'key':_0x593ec6(0xe2),'value':function(){var _0x223369=_0x593ec6,_0x4e12ca=this,_0x2f3987=new _0x7b746c[(_0x223369(0x1dc))]({'color':new _0x7b746c[(_0x223369(0x118))](0x0,0x0,0x0,0x0),'depth':0x1,'framebuffer':void 0x0,'pass':_0x7b746c[_0x223369(0x1d8)][_0x223369(0x13e)]});Object['keys'](this[_0x223369(0xde)]['framebuffers'])[_0x223369(0x1fc)](function(_0x178fb4){var _0x1c4d00=_0x223369;_0x2f3987['framebuffer']=_0x4e12ca[_0x1c4d00(0xde)]['framebuffers'][_0x178fb4],_0x2f3987[_0x1c4d00(0x1c1)](_0x4e12ca['context']);});}},{'key':_0x593ec6(0x10c),'value':function(_0x2e6bd2){var 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_0x7b746c[(_0x121172(0x22b))](),'latRange':new _0x7b746c[(_0x121172(0x22b))](),'pixelSize':0x0},this[_0x121172(0xec)]=new _0x7b746c[(_0x121172(0x112))](_0x7b746c[_0x121172(0x196)][_0x121172(0x23d)],6314355.63),this[_0x121172(0x226)]();}},{'key':_0x1e1f41(0x1ca),'value':function(){var _0x50b9d3=_0x1e1f41;this['primitives'][_0x50b9d3(0xe5)](),this[_0x50b9d3(0x189)][_0x50b9d3(0x14d)][_0x50b9d3(0x1f9)]['remove'](this['primitives']);}},{'key':_0x1e1f41(0x1c4),'value':function(_0x2f7e44){var _0x4496fe=_0x1e1f41;this[_0x4496fe(0x227)]=new _0xe3104b(this[_0x4496fe(0x14d)][_0x4496fe(0x211)],_0x2f7e44,this[_0x4496fe(0x238)](),this['viewerParameters']),this[_0x4496fe(0x15d)](),this[_0x4496fe(0xff)]();}},{'key':_0x1e1f41(0x15b),'value':function(_0xb49271){var _0x4d8d07=_0x1e1f41;if(_0xb49271){for(var _0x4c6f3b in _0xb49271)this[_0x4c6f3b]=_0xb49271[_0x4c6f3b];}return this[_0x4d8d07(0x227)]['applyUserInput'](this['getUserInput']()),this;}},{'key':'getUserInput','value':function(){var 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this[_0x5ac887(0xfe)],window[_0x5ac887(0x183)](_0x5ac887(0x20e),this['resize']),this[_0x5ac887(0x189)][_0x5ac887(0x1c6)](_0x4e3db0[_0x5ac887(0x17f)]['wheel'],this[_0x5ac887(0x149)],this),this[_0x5ac887(0x189)][_0x5ac887(0x1c6)](_0x4e3db0['EventType']['mouseDown'],this[_0x5ac887(0x1cb)],this),this[_0x5ac887(0x189)][_0x5ac887(0x1c6)](_0x4e3db0[_0x5ac887(0x17f)][_0x5ac887(0x142)],this['_onMouseUpEvent'],this),this[_0x5ac887(0x189)][_0x5ac887(0x1c6)](_0x4e3db0[_0x5ac887(0x17f)][_0x5ac887(0x224)],this['_onMouseMoveEvent'],this);}},{'key':_0xc7144a(0x149),'value':function(_0x3212a4){var _0x17de91=_0xc7144a,_0xca7bd=this;clearTimeout(this['refreshTimer']),this[_0x17de91(0x155)]&&this[_0x17de91(0x186)]&&(this[_0x17de91(0x186)][_0x17de91(0x1a2)][_0x17de91(0x244)]=_0x17de91(0x130),this['refreshTimer']=setTimeout(function(){var 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\x20particleIndex);\x0a\x0a\x20\x20\x20\x20vec4\x20currentProjectedCoordinate\x20=\x20vec4(0.0);\x0a\x20\x20\x20\x20vec4\x20nextProjectedCoordinate\x20=\x20vec4(0.0);\x0a\x20\x20\x20\x20if\x20(nextPosition.w\x20>\x200.0)\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20currentProjectedCoordinate\x20=\x20calcProjectedCoordinate(currentPosition);\x0a\x20\x20\x20\x20\x20\x20\x20\x20nextProjectedCoordinate\x20=\x20calcProjectedCoordinate(currentPosition);\x0a\x20\x20\x20\x20}\x20else\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20currentProjectedCoordinate\x20=\x20calcProjectedCoordinate(currentPosition);\x0a\x20\x20\x20\x20\x20\x20\x20\x20nextProjectedCoordinate\x20=\x20calcProjectedCoordinate(nextPosition.xyz);\x0a\x20\x20\x20\x20}\x0a\x0a\x20\x20\x20\x20float\x20pointToUse\x20=\x20normal.x;\x20//\x20-1\x20is\x20currentProjectedCoordinate\x20and\x20+1\x20is\x20nextProjectedCoordinate\x0a\x20\x20\x20\x20float\x20offsetSign\x20=\x20normal.y;\x0a\x0a\x20\x20\x20\x20vec4\x20offset\x20=\x20pixelSize\x20*\x20calcOffset(currentProjectedCoordinate,\x20nextProjectedCoordinate,\x20offsetSign);\x0a\x20\x20\x20\x20if\x20(pointToUse\x20<\x200.0)\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_Position\x20=\x20currentProjectedCoordinate\x20+\x20offset;\x0a\x20\x20\x20\x20}\x20else\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20gl_Position\x20=\x20nextProjectedCoordinate\x20+\x20offset;\x0a\x20\x20\x20\x20}\x0a\x0a\x20\x20\x20\x20speedNormalization\x20=\x20texture2D(postProcessingSpeed,\x20particleIndex).a;\x0a}','createRawRenderState','attributeLocations','positionWC','_calcUV','tlng','_pointerEvents','_tomap','stroke','postProcessingPosition','auto','RGBA','removeChild','Math','this\x20hasn\x27t\x20been\x20initialised\x20-\x20super()\x20hasn\x27t\x20been\x20called','0px','unbindEvent','execute','Appearance','isInExtent','setData','destroyObject','off','toRadians','reverseY','wheel','_removedHook','_onMouseDownEvent','calc_speedRate','wgs84ToWindowCoordinates','clearCommand','IDENTITY','createTexture','uniformMap','ALWAYS','PixelFormat','frameTime','xmax','pointerEvents','class','Pass','update','fixedHeight','mod','ClearCommand','width','uniform\x20sampler2D\x20colorTable;\x0a\x0avarying\x20float\x20speedNormalization;\x0a\x0avoid\x20main()\x20{\x0a\x20\x20\x20\x20gl_FragColor\x20=\x20texture2D(colorTable,\x20vec2(speedNormalization,\x200.0));\x0a}','windTextures','DepthFunction','sqrt','Geometry','floor','DrawCommand','add','outputTexture','particlesTextures','applyUserInput','windData','ShaderSource','getRandomLatLng','WMS_URL','lat','screen','PI_OVER_THREE','reverse','particles','viewport','xmin','zIndex','grid','canvasWind','push','position','primitives','//\x20the\x20size\x20of\x20UV\x20textures:\x20width\x20=\x20lon,\x20height\x20=\x20lat*lev\x0auniform\x20sampler2D\x20U;\x20//\x20eastward\x20wind\x20\x0auniform\x20sampler2D\x20V;\x20//\x20northward\x20wind\x0a\x0auniform\x20sampler2D\x20currentParticlesPosition;\x20//\x20(lon,\x20lat,\x20lev)\x0a\x0auniform\x20vec3\x20dimension;\x20//\x20(lon,\x20lat,\x20lev)\x0auniform\x20vec3\x20minimum;\x20//\x20minimum\x20of\x20each\x20dimension\x0auniform\x20vec3\x20maximum;\x20//\x20maximum\x20of\x20each\x20dimension\x0auniform\x20vec3\x20interval;\x20//\x20interval\x20of\x20each\x20dimension\x0a\x0avarying\x20vec2\x20v_textureCoordinates;\x0a\x0avec2\x20mapPositionToNormalizedIndex2D(vec3\x20lonLatLev)\x20{\x0a\x20\x20\x20\x20//\x20ensure\x20the\x20range\x20of\x20longitude\x20and\x20latitude\x0a\x20\x20\x20\x20lonLatLev.x\x20=\x20mod(lonLatLev.x,\x20360.0);\x0a\x20\x20\x20\x20lonLatLev.y\x20=\x20clamp(lonLatLev.y,\x20-90.0,\x2090.0);\x0a\x0a\x20\x20\x20\x20vec3\x20index3D\x20=\x20vec3(0.0);\x0a\x20\x20\x20\x20index3D.x\x20=\x20(lonLatLev.x\x20-\x20minimum.x)\x20/\x20interval.x;\x0a\x20\x20\x20\x20index3D.y\x20=\x20(lonLatLev.y\x20-\x20minimum.y)\x20/\x20interval.y;\x0a\x20\x20\x20\x20index3D.z\x20=\x20(lonLatLev.z\x20-\x20minimum.z)\x20/\x20interval.z;\x0a\x0a\x20\x20\x20\x20//\x20the\x20st\x20texture\x20coordinate\x20corresponding\x20to\x20(col,\x20row)\x20index\x0a\x20\x20\x20\x20//\x20example\x0a\x20\x20\x20\x20//\x20data\x20array\x20is\x20[0,\x201,\x202,\x203,\x204,\x205],\x20width\x20=\x203,\x20height\x20=\x202\x0a\x20\x20\x20\x20//\x20the\x20content\x20of\x20texture\x20will\x20be\x0a\x20\x20\x20\x20//\x20t\x201.0\x0a\x20\x20\x20\x20//\x20\x20\x20\x20|\x20\x203\x204\x205\x0a\x20\x20\x20\x20//\x20\x20\x20\x20|\x0a\x20\x20\x20\x20//\x20\x20\x20\x20|\x20\x200\x201\x202\x0a\x20\x20\x20\x20//\x20\x20\x200.0------1.0\x20s\x0a\x0a\x20\x20\x20\x20vec2\x20index2D\x20=\x20vec2(index3D.x,\x20index3D.z\x20*\x20dimension.y\x20+\x20index3D.y);\x0a\x20\x20\x20\x20vec2\x20normalizedIndex2D\x20=\x20vec2(index2D.x\x20/\x20dimension.x,\x20index2D.y\x20/\x20(dimension.y\x20*\x20dimension.z));\x0a\x20\x20\x20\x20return\x20normalizedIndex2D;\x0a}\x0a\x0afloat\x20getWind(sampler2D\x20windTexture,\x20vec3\x20lonLatLev)\x20{\x0a\x20\x20\x20\x20vec2\x20normalizedIndex2D\x20=\x20mapPositionToNormalizedIndex2D(lonLatLev);\x0a\x20\x20\x20\x20float\x20result\x20=\x20texture2D(windTexture,\x20normalizedIndex2D).r;\x0a\x20\x20\x20\x20return\x20result;\x0a}\x0a\x0aconst\x20mat4\x20kernelMatrix\x20=\x20mat4(\x0a\x20\x20\x20\x200.0,\x20-1.0,\x202.0,\x20-1.0,\x20//\x20first\x20column\x0a\x20\x20\x20\x202.0,\x200.0,\x20-5.0,\x203.0,\x20//\x20second\x20column\x0a\x20\x20\x20\x200.0,\x201.0,\x204.0,\x20-3.0,\x20//\x20third\x20column\x0a\x20\x20\x20\x200.0,\x200.0,\x20-1.0,\x201.0\x20//\x20fourth\x20column\x0a);\x0afloat\x20oneDimensionInterpolation(float\x20t,\x20float\x20p0,\x20float\x20p1,\x20float\x20p2,\x20float\x20p3)\x20{\x0a\x20\x20\x20\x20vec4\x20tVec4\x20=\x20vec4(1.0,\x20t,\x20t\x20*\x20t,\x20t\x20*\x20t\x20*\x20t);\x0a\x20\x20\x20\x20tVec4\x20=\x20tVec4\x20/\x202.0;\x0a\x20\x20\x20\x20vec4\x20pVec4\x20=\x20vec4(p0,\x20p1,\x20p2,\x20p3);\x0a\x20\x20\x20\x20return\x20dot((tVec4\x20*\x20kernelMatrix),\x20pVec4);\x0a}\x0a\x0afloat\x20calculateB(sampler2D\x20windTexture,\x20float\x20t,\x20float\x20lon,\x20float\x20lat,\x20float\x20lev)\x20{\x0a\x20\x20\x20\x20float\x20lon0\x20=\x20floor(lon)\x20-\x201.0\x20*\x20interval.x;\x0a\x20\x20\x20\x20float\x20lon1\x20=\x20floor(lon);\x0a\x20\x20\x20\x20float\x20lon2\x20=\x20floor(lon)\x20+\x201.0\x20*\x20interval.x;\x0a\x20\x20\x20\x20float\x20lon3\x20=\x20floor(lon)\x20+\x202.0\x20*\x20interval.x;\x0a\x0a\x20\x20\x20\x20float\x20p0\x20=\x20getWind(windTexture,\x20vec3(lon0,\x20lat,\x20lev));\x0a\x20\x20\x20\x20float\x20p1\x20=\x20getWind(windTexture,\x20vec3(lon1,\x20lat,\x20lev));\x0a\x20\x20\x20\x20float\x20p2\x20=\x20getWind(windTexture,\x20vec3(lon2,\x20lat,\x20lev));\x0a\x20\x20\x20\x20float\x20p3\x20=\x20getWind(windTexture,\x20vec3(lon3,\x20lat,\x20lev));\x0a\x0a\x20\x20\x20\x20return\x20oneDimensionInterpolation(t,\x20p0,\x20p1,\x20p2,\x20p3);\x0a}\x0a\x0afloat\x20interpolateOneTexture(sampler2D\x20windTexture,\x20vec3\x20lonLatLev)\x20{\x0a\x20\x20\x20\x20float\x20lon\x20=\x20lonLatLev.x;\x0a\x20\x20\x20\x20float\x20lat\x20=\x20lonLatLev.y;\x0a\x20\x20\x20\x20float\x20lev\x20=\x20lonLatLev.z;\x0a\x0a\x20\x20\x20\x20float\x20lat0\x20=\x20floor(lat)\x20-\x201.0\x20*\x20interval.y;\x0a\x20\x20\x20\x20float\x20lat1\x20=\x20floor(lat);\x0a\x20\x20\x20\x20float\x20lat2\x20=\x20floor(lat)\x20+\x201.0\x20*\x20interval.y;\x0a\x20\x20\x20\x20float\x20lat3\x20=\x20floor(lat)\x20+\x202.0\x20*\x20interval.y;\x0a\x0a\x20\x20\x20\x20vec2\x20coefficient\x20=\x20lonLatLev.xy\x20-\x20floor(lonLatLev.xy);\x0a\x20\x20\x20\x20float\x20b0\x20=\x20calculateB(windTexture,\x20coefficient.x,\x20lon,\x20lat0,\x20lev);\x0a\x20\x20\x20\x20float\x20b1\x20=\x20calculateB(windTexture,\x20coefficient.x,\x20lon,\x20lat1,\x20lev);\x0a\x20\x20\x20\x20float\x20b2\x20=\x20calculateB(windTexture,\x20coefficient.x,\x20lon,\x20lat2,\x20lev);\x0a\x20\x20\x20\x20float\x20b3\x20=\x20calculateB(windTexture,\x20coefficient.x,\x20lon,\x20lat3,\x20lev);\x0a\x0a\x20\x20\x20\x20return\x20oneDimensionInterpolation(coefficient.y,\x20b0,\x20b1,\x20b2,\x20b3);\x0a}\x0a\x0avec3\x20bicubic(vec3\x20lonLatLev)\x20{\x0a\x20\x20\x20\x20//\x20https://en.wikipedia.org/wiki/Bicubic_interpolation#Bicubic_convolution_algorithm\x0a\x20\x20\x20\x20float\x20u\x20=\x20interpolateOneTexture(U,\x20lonLatLev);\x0a\x20\x20\x20\x20float\x20v\x20=\x20interpolateOneTexture(V,\x20lonLatLev);\x0a\x20\x20\x20\x20float\x20w\x20=\x200.0;\x0a\x20\x20\x20\x20return\x20vec3(u,\x20v,\x20w);\x0a}\x0a\x0avoid\x20main()\x20{\x0a\x20\x20\x20\x20//\x20texture\x20coordinate\x20must\x20be\x20normalized\x0a\x20\x20\x20\x20vec3\x20lonLatLev\x20=\x20texture2D(currentParticlesPosition,\x20v_textureCoordinates).rgb;\x0a\x20\x20\x20\x20vec3\x20windVector\x20=\x20bicubic(lonLatLev);\x0a\x20\x20\x20\x20gl_FragColor\x20=\x20vec4(windVector,\x200.0);\x0a}','speedFactor','forEach','updateDate','mars3d-cesium','particlesWind','segmentsColor','randomizeParticles','UNSIGNED_BYTE','north','canrefresh','globalCompositeOperation','construct','uniform\x20sampler2D\x20currentParticlesPosition;\x20//\x20(lon,\x20lat,\x20lev)\x0auniform\x20sampler2D\x20currentParticlesSpeed;\x20//\x20(u,\x20v,\x20w,\x20normalization)\x0a\x0avarying\x20vec2\x20v_textureCoordinates;\x0a\x0avec2\x20lengthOfLonLat(vec3\x20lonLatLev)\x20{\x0a\x20\x20\x20\x20//\x20unit\x20conversion:\x20meters\x20->\x20longitude\x20latitude\x20degrees\x0a\x20\x20\x20\x20//\x20see\x20https://en.wikipedia.org/wiki/Geographic_coordinate_system#Length_of_a_degree\x20for\x20detail\x0a\x0a\x20\x20\x20\x20//\x20Calculate\x20the\x20length\x20of\x20a\x20degree\x20of\x20latitude\x20and\x20longitude\x20in\x20meters\x0a\x20\x20\x20\x20float\x20latitude\x20=\x20radians(lonLatLev.y);\x0a\x0a\x20\x20\x20\x20float\x20term1\x20=\x20111132.92;\x0a\x20\x20\x20\x20float\x20term2\x20=\x20559.82\x20*\x20cos(2.0\x20*\x20latitude);\x0a\x20\x20\x20\x20float\x20term3\x20=\x201.175\x20*\x20cos(4.0\x20*\x20latitude);\x0a\x20\x20\x20\x20float\x20term4\x20=\x200.0023\x20*\x20cos(6.0\x20*\x20latitude);\x0a\x20\x20\x20\x20float\x20latLength\x20=\x20term1\x20-\x20term2\x20+\x20term3\x20-\x20term4;\x0a\x0a\x20\x20\x20\x20float\x20term5\x20=\x20111412.84\x20*\x20cos(latitude);\x0a\x20\x20\x20\x20float\x20term6\x20=\x2093.5\x20*\x20cos(3.0\x20*\x20latitude);\x0a\x20\x20\x20\x20float\x20term7\x20=\x200.118\x20*\x20cos(5.0\x20*\x20latitude);\x0a\x20\x20\x20\x20float\x20longLength\x20=\x20term5\x20-\x20term6\x20+\x20term7;\x0a\x0a\x20\x20\x20\x20return\x20vec2(longLength,\x20latLength);\x0a}\x0a\x0avoid\x20updatePosition(vec3\x20lonLatLev,\x20vec3\x20speed)\x20{\x0a\x20\x20\x20\x20vec2\x20lonLatLength\x20=\x20lengthOfLonLat(lonLatLev);\x0a\x20\x20\x20\x20float\x20u\x20=\x20speed.x\x20/\x20lonLatLength.x;\x0a\x20\x20\x20\x20float\x20v\x20=\x20speed.y\x20/\x20lonLatLength.y;\x0a\x20\x20\x20\x20float\x20w\x20=\x200.0;\x0a\x20\x20\x20\x20vec3\x20windVectorInLonLatLev\x20=\x20vec3(u,\x20v,\x20w);\x0a\x0a\x20\x20\x20\x20vec3\x20nextParticle\x20=\x20lonLatLev\x20+\x20windVectorInLonLatLev;\x0a\x0a\x20\x20\x20\x20gl_FragColor\x20=\x20vec4(nextParticle,\x200.0);\x0a}\x0a\x0avoid\x20main()\x20{\x0a\x20\x20\x20\x20//\x20texture\x20coordinate\x20must\x20be\x20normalized\x0a\x20\x20\x20\x20vec3\x20lonLatLev\x20=\x20texture2D(currentParticlesPosition,\x20v_textureCoordinates).rgb;\x0a\x20\x20\x20\x20vec3\x20speed\x20=\x20texture2D(currentParticlesSpeed,\x20v_textureCoordinates).rgb;\x0a\x0a\x20\x20\x20\x20updatePosition(lonLatLev,\x20speed);\x0a}','particleHeight','BufferUsage','ComputeCommand','shaderProgram','nextParticlesSpeed','createFramebuffer','resize','canvasHeight'];a0_0x4a64=function(){return _0x4b5d46;};return a0_0x4a64();}
\ No newline at end of file

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Gitblit v1.9.1