From 35062d4449b96271c106ab859fce55b013d7f93f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=BE=B7=E5=AE=87?= <kvtodev@outlook.com>
Date: Tue, 1 Sep 2026 20:31:01 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E5=85=85=E5=BE=84=E5=90=91=E5=A1=AB?=
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覆盖 Radial90 四个角点的顺时针与逆时针部分填充

锁定编辑器预览与 Rust 导出共享起始角约定
---
 .../html_renderer/component/image.rs          | 32 ++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/component/image.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/component/image.rs
index f01050f4f..7149afe45 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/component/image.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/component/image.rs
@@ -124,7 +124,7 @@ fn fill_clip_path(method: &FillMethod, amount: f32) -> Option<String> {
 
 #[cfg(test)]
 mod tests {
-    use super::{fill_clip_path, FillMethod, Radial180Origin, Radial360Origin};
+    use super::{fill_clip_path, FillMethod, Radial180Origin, Radial360Origin, Radial90Origin};
 
     #[test]
     fn clockwise_radial_180_and_360_start_ninety_degrees_before_origin() {
@@ -160,6 +160,36 @@ mod tests {
         .unwrap();
         assert!(radial_180.contains("from -90deg"));
     }
+
+    #[test]
+    fn radial_90_matches_preview_for_all_origins_and_directions() {
+        let cases = [
+            (Radial90Origin::TopLeft, 0.0),
+            (Radial90Origin::TopRight, 90.0),
+            (Radial90Origin::BottomRight, 180.0),
+            (Radial90Origin::BottomLeft, 270.0),
+        ];
+        for (origin, angle) in cases {
+            let clockwise = fill_clip_path(
+                &FillMethod::Radial90 {
+                    origin,
+                    clockwise: true,
+                },
+                0.5,
+            )
+            .unwrap();
+            let counter_clockwise = fill_clip_path(
+                &FillMethod::Radial90 {
+                    origin,
+                    clockwise: false,
+                },
+                0.5,
+            )
+            .unwrap();
+            assert!(clockwise.contains(&format!("from {}deg", angle - 90.0)));
+            assert!(counter_clockwise.contains(&format!("from {}deg", angle - 45.0)));
+        }
+    }
 }
 
 fn conic_mask(origin: f32, clockwise: bool, amount: f32, max_sweep: f32) -> String {