🐞 fix: Fix the bug of snap distance

xiangechen · Dec 9, 2023 · dce55c6 · dce55c6
1 parent af9e8ce
commit dce55c6
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/packages/chili-three/src/constants.ts b/packages/chili-three/src/constants.ts
@@ -1,5 +1,5 @@
 // Copyright 2022-2023 the Chili authors. All rights reserved. AGPL-3.0 license.
 
 export class Constants {
-    static readonly RaycasterThreshold = 2;
+    static readonly RaycasterThreshold = 3;
 }
diff --git a/packages/chili-three/src/threeView.ts b/packages/chili-three/src/threeView.ts
@@ -352,8 +352,8 @@ export class ThreeView extends Observable implements IView {
 
     private initRaycaster(mx: number, my: number) {
         let ray = this.rayAt(mx, my);
-        let threshold = Constants.RaycasterThreshold / this.cameraController.scale;
-        if (threshold < 5) threshold = 5;
+        let scale = this.cameraController.target.distanceTo(this.camera.position) / 1000.0;
+        let threshold = Constants.RaycasterThreshold * scale;
         let raycaster = new Raycaster(ThreeHelper.fromXYZ(ray.location), ThreeHelper.fromXYZ(ray.direction));
         raycaster.params = { Line: { threshold }, Points: { threshold } };
         return raycaster;