Illusion/cudoku
1
0
Fork 0
mirror of https://github.com/IllusionMan1212/cudoku.git synced 2026-10-24 02:12:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

border radius for quads

Browse Source
This commit is contained in:
Illusion
2023-11-21 06:45:54 +02:00
parent 797f43b08a
commit 6546b075a1
8 changed files with 63 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files
shaders/ui.frag
+26 -2
View File
@@ -1,9 +1,33 @@
#version 330 core
in vec2 texCoords;
in vec2 v_TexCoords;
out vec4 FragColor;
uniform vec4 aColor;
uniform float borderRadius;
uniform float uiWidth;
uniform float uiHeight;
const float smoothness = 1.0;
void main() {
FragColor = vec4(aColor);
float alpha = aColor.a;
if (borderRadius > 0.0) {
vec2 dimensions = v_TexCoords * vec2(uiWidth, uiHeight);
float xMax = uiWidth - borderRadius;
float yMax = uiHeight - borderRadius;
if (dimensions.x < borderRadius && dimensions.y < borderRadius) {
alpha *= 1.0 - smoothstep(borderRadius - smoothness, borderRadius + smoothness, length(dimensions - vec2(borderRadius)));
} else if (dimensions.x < borderRadius && dimensions.y > yMax) {
alpha *= 1.0 - smoothstep(borderRadius - smoothness, borderRadius + smoothness, length(dimensions - vec2(borderRadius, yMax)));
} else if (dimensions.x > xMax && dimensions.y < borderRadius) {
alpha *= 1.0 - smoothstep(borderRadius - smoothness, borderRadius + smoothness, length(dimensions - vec2(xMax, borderRadius)));
} else if (dimensions.x > xMax && dimensions.y > yMax) {
alpha *= 1.0 - smoothstep(borderRadius - smoothness, borderRadius + smoothness, length(dimensions - vec2(xMax, yMax)));
}
}
FragColor = vec4(aColor.rgb, alpha);
}