maplibre-gl
Version:
BSD licensed community fork of mapbox-gl, a WebGL interactive maps library
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text/typescript
// This file is generated. Edit build/generate-shaders.ts, then run `npm run codegen`.
export default 'uniform vec3 u_lightcolor;uniform lowp vec3 u_lightpos;uniform lowp vec3 u_lightpos_globe;uniform lowp float u_lightintensity;uniform float u_vertical_gradient;uniform lowp float u_opacity;uniform vec2 u_fill_translate;in vec2 a_pos;in vec4 a_normal_ed;\n#ifdef TERRAIN3D\nin vec2 a_centroid;\n#endif\nout vec4 v_color;\n#pragma mapbox: define highp float base\n#pragma mapbox: define highp float height\n#pragma mapbox: define highp vec4 color\nvoid main() {\n#pragma mapbox: initialize highp float base\n#pragma mapbox: initialize highp float height\n#pragma mapbox: initialize highp vec4 color\nvec3 normal=a_normal_ed.xyz;\n#ifdef TERRAIN3D\nfloat height_terrain3d_offset=get_elevation(a_centroid);float base_terrain3d_offset=height_terrain3d_offset-(base > 0.0 ? 0.0 : 10.0);\n#else\nfloat height_terrain3d_offset=0.0;float base_terrain3d_offset=0.0;\n#endif\nbase=max(0.0,base)+base_terrain3d_offset;height=max(0.0,height)+height_terrain3d_offset;float t=mod(normal.x,2.0);float elevation=t > 0.0 ? height : base;vec2 posInTile=a_pos+u_fill_translate;\n#ifdef GLOBE\nvec3 spherePos=projectToSphere(posInTile,a_pos);gl_Position=interpolateProjectionFor3D(posInTile,spherePos,elevation);\n#else\ngl_Position=u_projection_matrix*vec4(posInTile,elevation,1.0);\n#endif\nfloat colorvalue=color.r*0.2126+color.g*0.7152+color.b*0.0722;v_color=vec4(0.0,0.0,0.0,1.0);vec4 ambientlight=vec4(0.03,0.03,0.03,1.0);color+=ambientlight;vec3 normalForLighting=normal/16384.0;float directional=clamp(dot(normalForLighting,u_lightpos),0.0,1.0);\n#ifdef GLOBE\nmat3 rotMatrix=globeGetRotationMatrix(spherePos);normalForLighting=rotMatrix*normalForLighting;directional=mix(directional,clamp(dot(normalForLighting,u_lightpos_globe),0.0,1.0),u_projection_transition);\n#endif\ndirectional=mix((1.0-u_lightintensity),max((1.0-colorvalue+u_lightintensity),1.0),directional);if (normal.y !=0.0) {directional*=((1.0-u_vertical_gradient)+(u_vertical_gradient*clamp((t+base)*pow(height/150.0,0.5),mix(0.7,0.98,1.0-u_lightintensity),1.0)));}v_color.r+=clamp(color.r*directional*u_lightcolor.r,mix(0.0,0.3,1.0-u_lightcolor.r),1.0);v_color.g+=clamp(color.g*directional*u_lightcolor.g,mix(0.0,0.3,1.0-u_lightcolor.g),1.0);v_color.b+=clamp(color.b*directional*u_lightcolor.b,mix(0.0,0.3,1.0-u_lightcolor.b),1.0);v_color*=u_opacity;}';