BABYLON.Effect.ShadersStore.asciiartPixelShader="\nvarying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform sampler2D asciiArtFont;\n\nuniform vec4 asciiArtFontInfos;\nuniform vec4 asciiArtOptions;\n\nfloat getLuminance(vec3 color)\n{\nreturn clamp(dot(color,vec3(0.2126,0.7152,0.0722)),0.,1.);\n}\n\nvoid main(void) \n{\nfloat caracterSize=asciiArtFontInfos.x;\nfloat numChar=asciiArtFontInfos.y-1.0;\nfloat fontx=asciiArtFontInfos.z;\nfloat fonty=asciiArtFontInfos.w;\nfloat screenx=asciiArtOptions.x;\nfloat screeny=asciiArtOptions.y;\nfloat tileX=float(floor((gl_FragCoord.x)/caracterSize))*caracterSize/screenx;\nfloat tileY=float(floor((gl_FragCoord.y)/caracterSize))*caracterSize/screeny;\nvec2 tileUV=vec2(tileX,tileY);\nvec4 tileColor=texture2D(textureSampler,tileUV);\nvec4 baseColor=texture2D(textureSampler,vUV);\nfloat tileLuminance=getLuminance(tileColor.rgb);\nfloat offsetx=(float(floor(tileLuminance*numChar)))*caracterSize/fontx;\nfloat offsety=0.0;\nfloat x=float(mod(gl_FragCoord.x,caracterSize))/fontx;\nfloat y=float(mod(gl_FragCoord.y,caracterSize))/fonty;\nvec4 finalColor=texture2D(asciiArtFont,vec2(offsetx+x,offsety+(caracterSize/fonty-y)));\nfinalColor.rgb*=tileColor.rgb;\nfinalColor.a=1.0;\nfinalColor=mix(finalColor,tileColor,asciiArtOptions.w);\nfinalColor=mix(finalColor,baseColor,asciiArtOptions.z);\ngl_FragColor=finalColor;\n}";