sigma/rendering/webgl/shaders/node.fast.vert.glsl.js

A JavaScript library dedicated to graph drawing.

(()=>{"use strict";var o={d:(t,n)=>{for(var e in n)o.o(n,e)&&!o.o(t,e)&&Object.defineProperty(t,e,{enumerable:!0,get:n[e]})},o:(o,t)=>Object.prototype.hasOwnProperty.call(o,t),r:o=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(o,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(o,"__esModule",{value:!0})}},t={};o.r(t),o.d(t,{default:()=>n});const n="attribute vec2 a_position;\nattribute float a_size;\nattribute vec4 a_color;\n\nuniform float u_ratio;\nuniform float u_scale;\nuniform mat3 u_matrix;\n\nvarying vec4 v_color;\nvarying float v_border;\n\nconst float bias = 255.0 / 254.0;\n\nvoid main() {\n\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";module.exports=t})();