sigma
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A JavaScript library aimed at visualizing graphs of thousands of nodes and edges.
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JavaScript
(()=>{"use strict";var t={d:(e,n)=>{for(var o in n)t.o(n,o)&&!t.o(e,o)&&Object.defineProperty(e,o,{enumerable:!0,get:n[o]})},o:(t,e)=>Object.prototype.hasOwnProperty.call(t,e),r:t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})}},e={};t.r(e),t.d(e,{default:()=>n});const n="attribute vec2 a_position;\nattribute float a_size;\nattribute vec4 a_color;\nattribute vec4 a_texture;\n\nuniform float u_ratio;\nuniform float u_scale;\nuniform mat3 u_matrix;\n\nvarying vec4 v_color;\nvarying float v_border;\nvarying vec4 v_texture;\n\nconst float bias = 255.0 / 254.0;\n\nvoid main() {\n gl_Position = vec4(\n (u_matrix * vec3(a_position, 1)).xy,\n 0,\n 1\n );\n\n // Multiply the point size twice:\n // - x SCALING_RATIO to correct the canvas scaling\n // - x 2 to correct the formulae\n gl_PointSize = a_size * u_ratio * u_scale * 2.0;\n\n v_border = (1.0 / u_ratio) * (0.5 / a_size);\n\n // Extract the color:\n v_color = a_color;\n v_color.a *= bias;\n\n // Pass the texture coordinates:\n v_texture = a_texture;\n}\n";module.exports=e})();