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phaser

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A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers from the team at Phaser Studio Inc.

phaser.io

phaserjs/phaser

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module.exports = [ '#define SHADER_NAME PHASER_BITMAP_MASK_FS', 'precision mediump float;', 'uniform vec2 uResolution;', 'uniform sampler2D uMainSampler;', 'uniform sampler2D uMaskSampler;', 'uniform bool uInvertMaskAlpha;', 'void main ()', '{', ' vec2 uv = gl_FragCoord.xy / uResolution;', ' vec4 mainColor = texture2D(uMainSampler, uv);', ' vec4 maskColor = texture2D(uMaskSampler, uv);', ' if (!uInvertMaskAlpha)', ' {', ' mainColor *= maskColor.a;', ' }', ' else', ' {', ' mainColor *= (1.0 - maskColor.a);', ' }', ' gl_FragColor = mainColor;', '}', ].join('\n');