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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 = [ 'vec4 applyTint(vec4 texture)', '{', ' vec3 unpremultTexture = texture.rgb / texture.a;', ' float alpha = texture.a * outTint.a;', ' vec3 color = vec3(unpremultTexture);', ' if (outTintEffect == 0.0) {', ' color *= outTint.bgr;', ' }', ' else if (outTintEffect == 1.0) {', ' color = outTint.bgr;', ' }', ' else if (outTintEffect == 2.0) {', ' color += outTint.bgr;', ' }', ' else if (outTintEffect == 4.0) {', ' color = 1.0 - (1.0 - unpremultTexture) * (1.0 - outTint.bgr);', ' }', ' else if (outTintEffect == 5.0) {', ' color = vec3(', ' unpremultTexture.r < 0.5 ? 2.0 * outTint.b * unpremultTexture.r : 1.0 - 2.0 * (1.0 - outTint.b) * (1.0 - unpremultTexture.r),', ' unpremultTexture.g < 0.5 ? 2.0 * outTint.g * unpremultTexture.g : 1.0 - 2.0 * (1.0 - outTint.g) * (1.0 - unpremultTexture.g),', ' unpremultTexture.b < 0.5 ? 2.0 * outTint.r * unpremultTexture.b : 1.0 - 2.0 * (1.0 - outTint.r) * (1.0 - unpremultTexture.b)', ' );', ' }', ' else if (outTintEffect == 6.0) {', ' color = vec3(', ' outTint.b < 0.5 ? 2.0 * outTint.b * unpremultTexture.r : 1.0 - 2.0 * (1.0 - outTint.b) * (1.0 - unpremultTexture.r),', ' outTint.g < 0.5 ? 2.0 * outTint.g * unpremultTexture.g : 1.0 - 2.0 * (1.0 - outTint.g) * (1.0 - unpremultTexture.g),', ' outTint.r < 0.5 ? 2.0 * outTint.r * unpremultTexture.b : 1.0 - 2.0 * (1.0 - outTint.r) * (1.0 - unpremultTexture.b)', ' );', ' }', ' return vec4(color * alpha, alpha);', '}', ].join('\n');