declare const _default: "\n#include <common>\n#include <tile_pars_vertex>\n#include <color_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <fog_pars_vertex>\n\nattribute vec3 previous;\nattribute vec3 next;\nattribute float side;\nattribute float width;\n\nuniform vec2 resolution;\nuniform float lineWidth;\nuniform float sizeAttenuation;\n    \nvec2 fix(vec4 i, float aspect) {\n    vec2 res = i.xy / i.w;\n    res.x *= aspect;\n    return res;\n}\n    \nvoid main() {\n\n    #include <tile_vertex>\n    \n    float aspect = resolution.x / resolution.y;\n\n    vColor = color;\n\n    mat4 m = projectionMatrix * modelViewMatrix;\n    vec4 finalPosition = m * vec4( position, 1.0 );\n    vec4 prevPos = m * vec4( previous, 1.0 );\n    vec4 nextPos = m * vec4( next, 1.0 );\n\n    vec2 currentP = fix( finalPosition, aspect );\n    vec2 prevP = fix( prevPos, aspect );\n    vec2 nextP = fix( nextPos, aspect );\n\n    float w = lineWidth * width;\n\n    vec2 dir;\n    if( nextP == currentP ) dir = normalize( currentP - prevP );\n    else if( prevP == currentP ) dir = normalize( nextP - currentP );\n    else {\n        vec2 dir1 = normalize( currentP - prevP );\n        vec2 dir2 = normalize( nextP - currentP );\n        dir = normalize( dir1 + dir2 );\n\n        vec2 perp = vec2( -dir1.y, dir1.x );\n        vec2 miter = vec2( -dir.y, dir.x );\n        //w = clamp( w / dot( miter, perp ), 0., 4., * lineWidth * width );\n\n    }\n\n    //vec2 normal = ( cross( vec3( dir, 0. ) vec3( 0., 0., 1. ) ) ).xy;\n    vec4 normal = vec4( -dir.y, dir.x, 0., 1. );\n    normal.xy *= .5 * w;\n    normal *= projectionMatrix;\n    if( sizeAttenuation == 0. ) {\n        normal.xy *= finalPosition.w;\n        normal.xy /= ( vec4( resolution, 0., 1. ) * projectionMatrix ).xy;\n    }\n\n    finalPosition.xy += normal.xy * side;\n\n    gl_Position = finalPosition;\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t\n    vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n    \n\t#include <fog_vertex>\n}";
export default _default;