maplibre-gl/src/shaders/heatmap.vertex.glsl.g.ts

BSD licensed community fork of mapbox-gl, a WebGL interactive maps library

// This file is generated. Edit build/generate-shaders.ts, then run `npm run codegen`.
export default 'uniform float u_extrude_scale;uniform float u_opacity;uniform float u_intensity;uniform highp float u_globe_extrude_scale;in vec2 a_pos;out vec2 v_extrude;\n#pragma mapbox: define highp float weight\n#pragma mapbox: define mediump float radius\nconst highp float ZERO=1.0/255.0/16.0;\n#define GAUSS_COEF 0.3989422804014327\nvoid main(void) {\n#pragma mapbox: initialize highp float weight\n#pragma mapbox: initialize mediump float radius\nvec2 pos_raw=a_pos+32768.0;vec2 unscaled_extrude=vec2(mod(pos_raw,8.0)/7.0*2.0-1.0);float S=sqrt(-2.0*log(ZERO/weight/u_intensity/GAUSS_COEF))/3.0;v_extrude=S*unscaled_extrude;vec2 extrude=v_extrude*radius*u_extrude_scale;vec2 circle_center=floor(pos_raw/8.0);\n#ifdef GLOBE\nvec2 angles=v_extrude*radius*u_globe_extrude_scale;vec3 center_vector=projectToSphere(circle_center);vec3 corner_vector=globeRotateVector(center_vector,angles);gl_Position=interpolateProjection(circle_center+extrude,corner_vector,0.0);\n#else\ngl_Position=projectTileFor3D(circle_center+extrude,get_elevation(circle_center));\n#endif\n}';