新增numberdictionary的散列键

2020-06-16 20:22:22 +08:00
parent 447ea4efe4
commit 9e6e5eccc8
8 changed files with 49 additions and 8 deletions
--- a/source/src/Physics/Verlet/SpatialHash.ts
+++ b/source/src/Physics/Verlet/SpatialHash.ts
@@ -126,8 +126,20 @@ class RaycastResultParser {
 class NumberDictionary {
    private _store: Map<number, Collider[]> = new Map<number, Collider[]>();

+    /**
+     * 根据x和y值计算并返回散列键
+     * @param x 
+     * @param y 
+     */
    private getKey(x: number, y: number): number {
-        return x << 32 | y;
+        return x << 32 | this.intToUint(y);
+    }
+
+    private intToUint(i){
+        if (i >= 0)
+            return i;
+        else
+            return 4294967296 + i;
    }

    public add(x: number, y: number, list: Collider[]) {