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/**
* Copyright (c) Vispy Development Team
* Distributed under the (new) BSD License. See LICENSE.txt for more info.
*
* This files contains the code for drawing curved arrow heads.
*/
#include "arrowheads/util.glsl"
float arrow_inhibitor_round(vec2 texcoord, float size,
float linewidth, float antialias)
{
vec2 c = vec2(size/2.0, 0.0);
float radius = size/2.0;
float radius_inner = radius - linewidth/6.0;
float d1 = length(texcoord - c) - radius;
float d2 = length(texcoord - c) - radius_inner;
float d3 = texcoord.x - (size/2.5);
return max(d3, max(d1, -d2));
//return max(d1, -d2);
}
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