UNPKG

@luma.gl/shadertools

Version:

Shader module system for luma.gl

24 lines 941 B
const fs = "uniform vec2 center;\nuniform float angle;\nuniform float size;\n\nfloat pattern(vec2 texSize, vec2 texCoord) {\n float scale = 3.1415 / size;\n\n float s = sin(angle), c = cos(angle);\n vec2 tex = texCoord * texSize - center * texSize;\n vec2 point = vec2(\n c * tex.x - s * tex.y,\n s * tex.x + c * tex.y\n ) * scale;\n return (sin(point.x) * sin(point.y)) * 4.0;\n}\n\nvec4 dotScreen_filterColor(vec4 color, vec2 texSize, vec2 texCoord) {\n float average = (color.r + color.g + color.b) / 3.0;\n return vec4(vec3(average * 10.0 - 5.0 + pattern(texSize, texCoord)), color.a);\n}\n"; const uniforms = { center: [0.5, 0.5], angle: { value: 1.1, softMin: 0, softMax: Math.PI / 2 }, size: { value: 3, min: 1, softMin: 3, softMax: 20 } }; export const dotScreen = { name: 'dotScreen', uniforms, fs, passes: [{ filter: true }] }; //# sourceMappingURL=dotscreen.js.map