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@luma.gl/shadertools

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Shader module system for luma.gl

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const fs = "uniform vec2 screenXY;\nuniform float radiusPixels;\nuniform float zoom;\nuniform float borderWidthPixels;\nuniform vec4 borderColor;\n\nvec4 magnify_sampleColor(sampler2D texture, vec2 texSize, vec2 texCoord) {\n vec2 pos = vec2(screenXY.x, 1.0 - screenXY.y);\n float dist = distance(texCoord * texSize, pos * texSize);\n if (dist < radiusPixels) {\n return texture2D(texture, (texCoord - pos) / zoom + pos);\n }\n\n if (dist <= radiusPixels + borderWidthPixels) {\n return borderColor;\n }\n return texture2D(texture, texCoord);\n}\n"; const uniforms = { screenXY: [0, 0], radiusPixels: 200, zoom: 2.0, borderWidthPixels: 0.0, borderColor: [255, 255, 255, 255] }; export const magnify = { name: 'magnify', uniforms, fs, passes: [{ sampler: true }] }; //# sourceMappingURL=magnify.js.map