18 lines
455 B
GLSL
18 lines
455 B
GLSL
varying vec2 v_pos;
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#pragma mapbox: define highp vec4 outline_color
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#pragma mapbox: define lowp float opacity
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void main() {
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#pragma mapbox: initialize highp vec4 outline_color
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#pragma mapbox: initialize lowp float opacity
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float dist = length(v_pos - gl_FragCoord.xy);
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float alpha = 1.0 - smoothstep(0.0, 1.0, dist);
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gl_FragColor = outline_color * (alpha * opacity);
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#ifdef OVERDRAW_INSPECTOR
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gl_FragColor = vec4(1.0);
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#endif
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}
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