descriptor update

FragmentShaderTexture.glsl

@@ -27,4 +27,52 @@ layout(set = 1, binding = 0) uniform sampler2D texSampler;
 void main()
 {
     outColor = texture(texSampler, fragUV);
-}
+}
+
+/*
+float getFilledAlpha(vec2 uv, vec2 center, float radius, float fillAmount) {
+    vec2 dir = uv - center;
+    float dist = length(dir);
+
+    // If outside the circle, return 0
+    if (dist > radius)
+        return 0.0;
+
+    // Normalize direction vector and compute angle
+    float angle = atan(dir.y, dir.x); // atan returns from -PI to PI
+    if (angle < 0.0) angle += 2.0 * 3.14159265359; // Convert to 0 to 2PI
+
+    float filledAngle = fillAmount * 2.0 * 3.14159265359;
+
+    // If the point is within the filled angle, return 1
+    if (angle <= filledAngle)
+        return 1.0;
+
+    return 0.0;
+}
+*/
+
+/*
+float getFilledAlphaAA(vec2 uv, vec2 center, float radius, float fillAmount, float edgeSoftness) {
+    vec2 dir = uv - center;
+    float dist = length(dir);
+
+    // If completely outside the circle, return 0
+    if (dist > radius + edgeSoftness)
+        return 0.0;
+
+    // Normalize direction vector and compute angle
+    float angle = atan(dir.y, dir.x); // -PI to PI
+    if (angle < 0.0) angle += 2.0 * 3.14159265359; // Convert to 0 to 2PI
+
+    float filledAngle = fillAmount * 2.0 * 3.14159265359;
+
+    // Calculate smooth edge for radius
+    float radiusAlpha = 1.0 - smoothstep(radius, radius + edgeSoftness, dist);
+
+    // Calculate smooth edge for angle
+    float angleAlpha = smoothstep(filledAngle - 0.02, filledAngle + 0.02, angle); // 0.02 rad ~ edge softness
+
+    return radiusAlpha * angleAlpha;
+}
+*/