var clipboard,plugins,wasm_memory,high_dpi,FS,GL,Module,wasm_exports,emscripten_shaders_hack,importObject;"use strict";const version="0.1.23",canvas=document.querySelector("#glcanvas"),gl=canvas.getContext("webgl");gl===null&&alert("Unable to initialize WebGL. Your browser or machine may not support it."),clipboard=null,plugins=[];high_dpi=!1,canvas.focus(),canvas.requestPointerLock=canvas.requestPointerLock||canvas.mozRequestPointerLock,document.exitPointerLock=document.exitPointerLock||document.mozExitPointerLock;function assert(a,b){a==!1&&alert(b)}function acquireVertexArrayObjectExtension(a){var b=a.getExtension('OES_vertex_array_object');b?(a.createVertexArray=function(){return b.createVertexArrayOES()},a.deleteVertexArray=function(a){b.deleteVertexArrayOES(a)},a.bindVertexArray=function(a){b.bindVertexArrayOES(a)},a.isVertexArray=function(a){return b.isVertexArrayOES(a)}):alert("Unable to get OES_vertex_array_object extension")}function acquireInstancedArraysExtension(a){var b=a.getExtension('ANGLE_instanced_arrays');b&&(a.vertexAttribDivisor=function(a,c){b.vertexAttribDivisorANGLE(a,c)},a.drawArraysInstanced=function(a,c,d,e){b.drawArraysInstancedANGLE(a,c,d,e)},a.drawElementsInstanced=function(a,c,d,e,f){b.drawElementsInstancedANGLE(a,c,d,e,f)})}function acquireDisjointTimerQueryExtension(a){var b=a.getExtension('EXT_disjoint_timer_query');b&&(a.createQuery=function(){return b.createQueryEXT()},a.beginQuery=function(a,c){return b.beginQueryEXT(a,c)},a.endQuery=function(a){return b.endQueryEXT(a)},a.deleteQuery=function(a){b.deleteQueryEXT(a)},a.getQueryObject=function(a,c){return b.getQueryObjectEXT(a,c)})}acquireVertexArrayObjectExtension(gl),acquireInstancedArraysExtension(gl),acquireDisjointTimerQueryExtension(gl),gl.getExtension('WEBGL_depth_texture')==null&&alert("Cant initialize WEBGL_depth_texture extension");function getArray(a,b,c){return new b(wasm_memory.buffer,a,c)}function UTF8ToString(i,j){var b,h,c,a,d,f,g;let e=new Uint8Array(wasm_memory.buffer,i);for(b=0,h=b+j,c='';!(b>=h);){if(a=e[b++],!a)return c;if(!(a&128)){c+=String.fromCharCode(a);continue}if(d=e[b++]&63,(a&224)==192){c+=String.fromCharCode((a&31)<<6|d);continue}f=e[b++]&63,(a&240)==224?a=(a&15)<<12|d<<6|f:((a&248)!=240&&console.warn('Invalid UTF-8 leading byte 0x'+a.toString(16)+' encountered when deserializing a UTF-8 string on the asm.js/wasm heap to a JS string!'),a=(a&7)<<18|d<<12|f<<6|e[b++]&63),a<65536?c+=String.fromCharCode(a):(g=a-65536,c+=String.fromCharCode(55296|g>>10,56320|g&1023))}return c}function stringToUTF8(f,c,b,g){for(var h=b,e=b+g,d=0,a,i;d<f.length;++d)if(a=f.charCodeAt(d),a>=55296&&a<=57343&&(i=f.charCodeAt(++d),a=65536+((a&1023)<<10)|i&1023),a<=127){if(b>=e)break;c[b++]=a}else if(a<=2047){if(b+1>=e)break;c[b++]=192|a>>6,c[b++]=128|a&63}else if(a<=65535){if(b+2>=e)break;c[b++]=224|a>>12,c[b++]=128|a>>6&63,c[b++]=128|a&63}else{if(b+3>=e)break;a>=2097152&&console.warn('Invalid Unicode code point 0x'+a.toString(16)+' encountered when serializing a JS string to an UTF-8 string on the asm.js/wasm heap! (Valid unicode code points should be in range 0-0x1FFFFF).'),c[b++]=240|a>>18,c[b++]=128|a>>12&63,c[b++]=128|a>>6&63,c[b++]=128|a&63}return b-h}FS={loaded_files:[],unique_id:0},GL={counter:1,buffers:[],mappedBuffers:{},programs:[],framebuffers:[],renderbuffers:[],textures:[],uniforms:[],shaders:[],vaos:[],timerQueries:[],contexts:{},programInfos:{},getNewId:function(b){for(var c=GL.counter++,a=b.length;a<c;a++)b[a]=null;return c},validateGLObjectID:function(b,a,c,d){a!=0&&(b[a]===null?console.error(c+' called with an already deleted '+d+' ID '+a+'!'):b[a]||console.error(c+' called with an invalid '+d+' ID '+a+'!'))},getSource:function(g,e,f,b){for(var c='',a=0,d;a<e;++a)d=b==0?void 0:getArray(b+a*4,Uint32Array,1)[0],c+=UTF8ToString(getArray(f+a*4,Uint32Array,1)[0],d);return c},populateUniformTable:function(i){var d,h,j,k,g,e,a,b,c,f,l;GL.validateGLObjectID(GL.programs,i,'populateUniformTable','program'),d=GL.programs[i],h=GL.programInfos[i]={uniforms:{},maxUniformLength:0,maxAttributeLength:-1,maxUniformBlockNameLength:-1},j=h.uniforms,k=gl.getProgramParameter(d,35718);for(g=0;g<k;++g)if(e=gl.getActiveUniform(d,g),a=e.name,h.maxUniformLength=Math.max(h.maxUniformLength,a.length+1),a.slice(-1)==']'&&(a=a.slice(0,a.lastIndexOf('['))),b=gl.getUniformLocation(d,a),b){c=GL.getNewId(GL.uniforms),j[a]=[e.size,c],GL.uniforms[c]=b;for(f=1;f<e.size;++f)l=a+'['+f+']',b=gl.getUniformLocation(d,l),c=GL.getNewId(GL.uniforms),GL.uniforms[c]=b}}};function _glGenObject(g,h,d,e,f){for(var c=0,a,b;c<g;c++)a=gl[d](),b=a&&GL.getNewId(e),a?(a.name=b,e[b]=a):(console.error("GL_INVALID_OPERATION"),GL.recordError(1282),alert('GL_INVALID_OPERATION in '+f+': GLctx.'+d+' returned null - most likely GL context is lost!')),getArray(h+c*4,Int32Array,1)[0]=b}function _webglGet(d,e,c){var a,f,b,g;if(!e){console.error('GL_INVALID_VALUE in glGet'+c+'v(name='+d+': Function called with null out pointer!'),GL.recordError(1281);return}switch(a=void 0,d){case 36346:a=1;break;case 36344:c!='EM_FUNC_SIG_PARAM_I'&&c!='EM_FUNC_SIG_PARAM_I64'&&(GL.recordError(1280),err('GL_INVALID_ENUM in glGet'+c+'v(GL_SHADER_BINARY_FORMATS): Invalid parameter type!'));return;case 34814:case 36345:a=0;break;case 34466:f=gl.getParameter(34467),a=f?f.length:0;break;case 33309:assert(!1,"unimplemented");break;case 33307:case 33308:assert(!1,"unimplemented");break}if(a===void 0)switch(b=gl.getParameter(d),typeof b){case"number":a=b;break;case"boolean":a=b?1:0;break;case"string":GL.recordError(1280),console.error('GL_INVALID_ENUM in glGet'+c+'v('+d+') on a name which returns a string!');return;case"object":if(b===null)switch(d){case 34964:case 35725:case 34965:case 36006:case 36007:case 32873:case 34229:case 35097:case 36389:case 34068:{a=0;break}default:{GL.recordError(1280),console.error('GL_INVALID_ENUM in glGet'+c+'v('+d+') and it returns null!');return}}else if(b instanceof Float32Array||b instanceof Uint32Array||b instanceof Int32Array||b instanceof Array){for(g=0;g<b.length;++g)assert(!1,"unimplemented");return}else try{a=b.name|0}catch(a){GL.recordError(1280),console.error('GL_INVALID_ENUM in glGet'+c+'v: Unknown object returned from WebGL getParameter('+d+')! (error: '+a+')');return}break;default:GL.recordError(1280),console.error('GL_INVALID_ENUM in glGet'+c+'v: Native code calling glGet'+c+'v('+d+') and it returns '+b+' of type '+typeof b+'!');return}switch(c){case'EM_FUNC_SIG_PARAM_I64':getArray(e,Int32Array,1)[0]=a;case'EM_FUNC_SIG_PARAM_I':getArray(e,Int32Array,1)[0]=a;break;case'EM_FUNC_SIG_PARAM_F':getArray(e,Float32Array,1)[0]=a;break;case'EM_FUNC_SIG_PARAM_B':getArray(e,Int8Array,1)[0]=a?1:0;break;default:throw'internal glGet error, bad type: '+c}}function resize(a,d){var e=dpi_scale(),b=a.clientWidth*e,c=a.clientHeight*e;(a.width!=b||a.height!=c)&&(a.width=b,a.height=c,d!=void 0&&d(Math.floor(b),Math.floor(c)))}function animation(){wasm_exports.frame(),window.requestAnimationFrame(animation)}const SAPP_EVENTTYPE_TOUCHES_BEGAN=10,SAPP_EVENTTYPE_TOUCHES_MOVED=11,SAPP_EVENTTYPE_TOUCHES_ENDED=12,SAPP_EVENTTYPE_TOUCHES_CANCELLED=13,SAPP_MODIFIER_SHIFT=1,SAPP_MODIFIER_CTRL=2,SAPP_MODIFIER_ALT=4,SAPP_MODIFIER_SUPER=8;function into_sapp_mousebutton(a){switch(a){case 0:return 0;case 1:return 2;case 2:return 1;default:return a}}function into_sapp_keycode(a){switch(a){case"Space":return 32;case"Comma":return 44;case"Minus":return 45;case"Period":return 46;case"Digit0":return 48;case"Digit1":return 49;case"Digit2":return 50;case"Digit3":return 51;case"Digit4":return 52;case"Digit5":return 53;case"Digit6":return 54;case"Digit7":return 55;case"Digit8":return 56;case"Digit9":return 57;case"Semicolon":return 59;case"Equal":return 61;case"KeyA":return 65;case"KeyB":return 66;case"KeyC":return 67;case"KeyD":return 68;case"KeyE":return 69;case"KeyF":return 70;case"KeyG":return 71;case"KeyH":return 72;case"KeyI":return 73;case"KeyJ":return 74;case"KeyK":return 75;case"KeyL":return 76;case"KeyM":return 77;case"KeyN":return 78;case"KeyO":return 79;case"KeyP":return 80;case"KeyQ":return 81;case"KeyR":return 82;case"KeyS":return 83;case"KeyT":return 84;case"KeyU":return 85;case"KeyV":return 86;case"KeyW":return 87;case"KeyX":return 88;case"KeyY":return 89;case"KeyZ":return 90;case"BracketLeft":return 91;case"Backslash":return 92;case"BracketRight":return 93;case"Escape":return 256;case"Enter":return 257;case"Tab":return 258;case"Backspace":return 259;case"Insert":return 260;case"Delete":return 261;case"ArrowRight":return 262;case"ArrowLeft":return 263;case"ArrowDown":return 264;case"ArrowUp":return 265;case"PageUp":return 266;case"PageDown":return 267;case"Home":return 268;case"End":return 269;case"CapsLock":return 280;case"ScrollLock":return 281;case"NumLock":return 282;case"PrintScreen":return 283;case"Pause":return 284;case"F1":return 290;case"F2":return 291;case"F3":return 292;case"F4":return 293;case"F5":return 294;case"F6":return 295;case"F7":return 296;case"F8":return 297;case"F9":return 298;case"F10":return 299;case"F11":return 300;case"F12":return 301;case"F13":return 302;case"F14":return 303;case"F15":return 304;case"F16":return 305;case"F17":return 306;case"F18":return 307;case"F19":return 308;case"F20":return 309;case"F21":return 310;case"F22":return 311;case"F23":return 312;case"F24":return 313;case"Numpad0":return 320;case"Numpad1":return 321;case"Numpad2":return 322;case"Numpad3":return 323;case"Numpad4":return 324;case"Numpad5":return 325;case"Numpad6":return 326;case"Numpad7":return 327;case"Numpad8":return 328;case"Numpad9":return 329;case"NumpadDecimal":return 330;case"NumpadDivide":return 331;case"NumpadMultiply":return 332;case"NumpadSubstract":return 333;case"NumpadAdd":return 334;case"NumpadEnter":return 335;case"NumpadEqual":return 336;case"ShiftLeft":return 340;case"ControlLeft":return 341;case"AltLeft":return 342;case"OSLeft":return 343;case"ShiftRight":return 344;case"ControlRight":return 345;case"AltRight":return 346;case"OSRight":return 347;case"ContextMenu":return 348}console.log("Unsupported keyboard key: ",a)}function dpi_scale(){return high_dpi?window.devicePixelRatio||1:1}function texture_size(c,a,b){return c==gl.ALPHA?a*b:c==gl.RGB?a*b*3:c==gl.RGBA?a*b*4:a*b*3}function mouse_relative_position(b,c){var a=canvas.getBoundingClientRect(),d=(b-a.left)*dpi_scale(),e=(c-a.top)*dpi_scale();return{x:d,y:e}}emscripten_shaders_hack=!1,importObject={env:{console_debug:function(a){console.debug(UTF8ToString(a))},console_log:function(a){console.log(UTF8ToString(a))},console_info:function(a){console.info(UTF8ToString(a))},console_warn:function(a){console.warn(UTF8ToString(a))},console_error:function(a){console.error(UTF8ToString(a))},set_emscripten_shader_hack:function(a){emscripten_shaders_hack=a},sapp_set_clipboard:function(a,b){clipboard=UTF8ToString(a,b)},dpi_scale,rand:function(){return Math.floor(Math.random()*2147483647)},now:function(){return Date.now()/1e3},canvas_width:function(){return Math.floor(canvas.width)},canvas_height:function(){return Math.floor(canvas.height)},glClearDepthf:function(a){gl.clearDepth(a)},glClearColor:function(a,b,c,d){gl.clearColor(a,b,c,d)},glClearStencil:function(a){gl.clearColorStencil(a)},glColorMask:function(a,b,c,d){gl.colorMask(a,b,c,d)},glScissor:function(a,b,c,d){gl.scissor(a,b,c,d)},glClear:function(a){gl.clear(a)},glGenTextures:function(a,b){_glGenObject(a,b,"createTexture",GL.textures,"glGenTextures")},glActiveTexture:function(a){gl.activeTexture(a)},glBindTexture:function(b,a){GL.validateGLObjectID(GL.textures,a,'glBindTexture','texture'),gl.bindTexture(b,GL.textures[a])},glTexImage2D:function(e,f,a,b,c,g,h,i,d){gl.texImage2D(e,f,a,b,c,g,h,i,d?getArray(d,Uint8Array,texture_size(a,b,c)):null)},glTexSubImage2D:function(g,e,i,f,c,d,a,h,b){gl.texSubImage2D(g,e,i,f,c,d,a,h,b?getArray(b,Uint8Array,texture_size(a,c,d)):null)},glReadPixels:function(d,e,a,b,c,f,g){var h=getArray(g,Uint8Array,texture_size(c,a,b));gl.readPixels(d,e,a,b,c,f,h)},glTexParameteri:function(a,b,c){gl.texParameteri(a,b,c)},glUniform1fv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform1fv','location'),assert((b&3)==0,'Pointer to float data passed to glUniform1fv must be aligned to four bytes!');var d=getArray(b,Float32Array,1*c);gl.uniform1fv(GL.uniforms[a],d)},glUniform2fv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform2fv','location'),assert((b&3)==0,'Pointer to float data passed to glUniform2fv must be aligned to four bytes!');var d=getArray(b,Float32Array,2*c);gl.uniform2fv(GL.uniforms[a],d)},glUniform3fv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform3fv','location'),assert((b&3)==0,'Pointer to float data passed to glUniform3fv must be aligned to four bytes!');var d=getArray(b,Float32Array,3*c);gl.uniform3fv(GL.uniforms[a],d)},glUniform4fv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform4fv','location'),assert((b&3)==0,'Pointer to float data passed to glUniform4fv must be aligned to four bytes!');var d=getArray(b,Float32Array,4*c);gl.uniform4fv(GL.uniforms[a],d)},glUniform1iv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform1fv','location'),assert((b&3)==0,'Pointer to i32 data passed to glUniform1iv must be aligned to four bytes!');var d=getArray(b,Int32Array,1*c);gl.uniform1iv(GL.uniforms[a],d)},glUniform2iv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform2fv','location'),assert((b&3)==0,'Pointer to i32 data passed to glUniform2iv must be aligned to four bytes!');var d=getArray(b,Int32Array,2*c);gl.uniform2iv(GL.uniforms[a],d)},glUniform3iv:function(a,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniform3fv','location'),assert((b&3)==0,'Pointer to i32 data passed to glUniform3iv must be aligned to four 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gl.getAttribLocation(GL.programs[a],UTF8ToString(b))},glEnableVertexAttribArray:function(a){gl.enableVertexAttribArray(a)},glDisableVertexAttribArray:function(a){gl.disableVertexAttribArray(a)},glVertexAttribPointer:function(a,b,c,d,e,f){gl.vertexAttribPointer(a,b,c,!!d,e,f)},glGetUniformLocation:function(e,a){var b,c,d;return GL.validateGLObjectID(GL.programs,e,'glGetUniformLocation','program'),a=UTF8ToString(a),b=0,a[a.length-1]==']'&&(c=a.lastIndexOf('['),b=a[c+1]!=']'?parseInt(a.slice(c+1)):0,a=a.slice(0,c)),d=GL.programInfos[e]&&GL.programInfos[e].uniforms[a],d&&b>=0&&b<d[0]?d[1]+b:-1},glUniformMatrix4fv:function(a,e,c,b){GL.validateGLObjectID(GL.uniforms,a,'glUniformMatrix4fv','location'),assert((b&3)==0,'Pointer to float data passed to glUniformMatrix4fv must be aligned to four bytes!');var d=getArray(b,Float32Array,16);gl.uniformMatrix4fv(GL.uniforms[a],!!c,d)},glUseProgram:function(a){GL.validateGLObjectID(GL.programs,a,'glUseProgram','program'),gl.useProgram(GL.programs[a])},glGenVertexArrays:function(a,b){_glGenObject(a,b,'createVertexArray',GL.vaos,'glGenVertexArrays')},glGenFramebuffers:function(a,b){_glGenObject(a,b,'createFramebuffer',GL.framebuffers,'glGenFramebuffers')},glBindVertexArray:function(a){gl.bindVertexArray(GL.vaos[a])},glBindFramebuffer:function(b,a){GL.validateGLObjectID(GL.framebuffers,a,'glBindFramebuffer','framebuffer'),gl.bindFramebuffer(b,GL.framebuffers[a])},glGenBuffers:function(a,b){_glGenObject(a,b,'createBuffer',GL.buffers,'glGenBuffers')},glBindBuffer:function(b,a){GL.validateGLObjectID(GL.buffers,a,'glBindBuffer','buffer'),gl.bindBuffer(b,GL.buffers[a])},glBufferData:function(c,a,b,d){gl.bufferData(c,b?getArray(b,Uint8Array,a):a,d)},glBufferSubData:function(c,d,a,b){gl.bufferSubData(c,d,b?getArray(b,Uint8Array,a):a)},glEnable:function(a){gl.enable(a)},glFlush:function(){gl.flush()},glFinish:function(){gl.finish()},glDepthFunc:function(a){gl.depthFunc(a)},glBlendFuncSeparate:function(a,b,c,d){gl.blendFuncSeparate(a,b,c,d)},glViewport:function(a,b,c,d){gl.viewport(a,b,c,d)},glDrawArrays:function(a,b,c){gl.drawArrays(a,b,c)},glCreateProgram:function(){var a=GL.getNewId(GL.programs),b=gl.createProgram();return b.name=a,GL.programs[a]=b,a},glAttachShader:function(a,b){GL.validateGLObjectID(GL.programs,a,'glAttachShader','program'),GL.validateGLObjectID(GL.shaders,b,'glAttachShader','shader'),gl.attachShader(GL.programs[a],GL.shaders[b])},glLinkProgram:function(a){GL.validateGLObjectID(GL.programs,a,'glLinkProgram','program'),gl.linkProgram(GL.programs[a]),GL.populateUniformTable(a)},glPixelStorei:function(a,b){gl.pixelStorei(a,b)},glFramebufferTexture2D:function(b,c,d,a,e){GL.validateGLObjectID(GL.textures,a,'glFramebufferTexture2D','texture'),gl.framebufferTexture2D(b,c,d,GL.textures[a],e)},glGetProgramiv:function(a,b,c){var e,d;if(assert(c),GL.validateGLObjectID(GL.programs,a,'glGetProgramiv','program'),a>=GL.counter){console.error("GL_INVALID_VALUE in glGetProgramiv");return}if(e=GL.programInfos[a],!e){console.error('GL_INVALID_OPERATION in glGetProgramiv(program='+a+', pname='+b+', p=0x'+c.toString(16)+'): The specified GL object name 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