initial

2026-10-24 10:12:37 +00:00 · 2024-01-19 23:55:07 +02:00
commit 156021347f
29 changed files with 4960 additions and 0 deletions
@@ -0,0 +1,40 @@
+#version 330 core
+
+in vec2 v_TexCoords;
+out vec4 FragColor;
+
+uniform vec4 aColor;
+uniform float borderRadius;
+uniform float uiWidth;
+uniform float uiHeight;
+uniform bool hasTexture;
+
+uniform sampler2D tex;
+
+const float smoothness = 1.0;
+
+void main() {
+  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)));
+    }
+  }
+
+  if (hasTexture) {
+    FragColor = texture(tex, v_TexCoords) * vec4(aColor.rgb, alpha);
+  } else {
+    FragColor = vec4(aColor.rgb, alpha);
+  }
+}