chore: 添加第三方依赖库

thirdparty/rapier.js/src.ts/dynamics/island_manager.ts

@@ -0,0 +1,37 @@
+import {RawIslandManager} from "../raw";
+import {RigidBodyHandle} from "./rigid_body";
+
+/**
+ * The CCD solver responsible for resolving Continuous Collision Detection.
+ *
+ * To avoid leaking WASM resources, this MUST be freed manually with `ccdSolver.free()`
+ * once you are done using it.
+ */
+export class IslandManager {
+    raw: RawIslandManager;
+
+    /**
+     * Release the WASM memory occupied by this narrow-phase.
+     */
+    public free() {
+        if (!!this.raw) {
+            this.raw.free();
+        }
+        this.raw = undefined;
+    }
+
+    constructor(raw?: RawIslandManager) {
+        this.raw = raw || new RawIslandManager();
+    }
+
+    /**
+     * Applies the given closure to the handle of each active rigid-bodies contained by this set.
+     *
+     * A rigid-body is active if it is not sleeping, i.e., if it moved recently.
+     *
+     * @param f - The closure to apply.
+     */
+    public forEachActiveRigidBodyHandle(f: (handle: RigidBodyHandle) => void) {
+        this.raw.forEachActiveRigidBodyHandle(f);
+    }
+}