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fixed shader that made straigt sides blurry

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This commit is contained in:
Alessandro Mauri 2025-07-07 14:38:46 +02:00
parent fa334ed154
commit d0a8e8a1ff
1 changed files with 3 additions and 3 deletions
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6
resources/shaders/source/rect.frag.glsl
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@ -17,7 +17,7 @@ float sdf_rr(vec2 p, vec2 half_size, float radius) {
return length(max(q, 0.0)) + min(max(q.x, q.y), 0.0) - radius; return length(max(q, 0.0)) + min(max(q.x, q.y), 0.0) - radius;
} }
const float smoothness = 1.5; const float smoothness = 0.9;
void main() void main()
{ {
@ -25,8 +25,8 @@ void main()
vec2 half_size = in_quad_size.zw * 0.5; vec2 half_size = in_quad_size.zw * 0.5;
float distance = -sdf_rr(vec2(gl_FragCoord) - centerpoint, half_size, in_radius); float distance = -sdf_rr(vec2(gl_FragCoord) - centerpoint, half_size, in_radius);
float alpha_out = smoothstep(0.0, smoothness, distance); float alpha_out = smoothstep(0.0-smoothness, 0.0, distance);
float alpha_in = 1.0 - smoothstep(thickness, thickness+smoothness, distance); float alpha_in = 1.0 - smoothstep(thickness-smoothness, thickness, distance);
fragColor = vec4(in_color.rgb, in_color.a * alpha_out * alpha_in); fragColor = vec4(in_color.rgb, in_color.a * alpha_out * alpha_in);
} }