修改齿轮不重合的问题

rescureMen/assets/script/gear.ts

@@ -18,8 +18,9 @@ export default class NewClass extends cc.Component {
     collider: cc.PhysicsPolygonCollider;
     startPoint: cc.Vec2;
     tween: any;
-    points:cc.Vec2;
+    points:cc.Vec3;
     startCollision: boolean =false;
+    relativeVelocity: any;
 
     // LIFE-CYCLE CALLBACKS:
     onBeginContact(contact, selfCollider, otherCollider) {
@@ -30,14 +31,23 @@ export default class NewClass extends cc.Component {
     }
     onPreSolve(contact, selfCollider, otherCollider) {
         if (otherCollider.node.name.includes('staticGear')) {
-            this.startCollision = true;
-            this.points = otherCollider.node.getComponent(cc.RigidBody).getWorldCenter();
             this.rigidBody.angularVelocity = - otherCollider.node.getComponent(cc.RigidBody).angularVelocity;
-        }
+            // this.node.position = otherCollider.node.position;
+            var worldManifold = contact.getWorldManifold();
+            var vel1 = selfCollider.node.getComponent(cc.RigidBody).getLinearVelocityFromWorldPoint(worldManifold.points[0]);
+            var vel2 = otherCollider.node.getComponent(cc.RigidBody).getLinearVelocityFromWorldPoint(worldManifold.points[0]);
+            this.relativeVelocity = vel1.sub(vel2);
+            this.scheduleOnce(()=>{
+                this.rigidBody.linearVelocity = this.relativeVelocity;
+                setTimeout(() => {
+                    this.rigidBody.linearVelocity = cc.v2(0,0); 
+                }, 300);
+            }, 0);
+            }
         }
 
         onPostSolve(contact, selfCollider, otherCollider) {
-            // this.rigidBody.angularVelocity = 0;
+            this.rigidBody.angularVelocity = 0;
             // this.startCollision = false;
         }
 
@@ -102,15 +112,6 @@ export default class NewClass extends cc.Component {
     }
 
     update (dt) {
-        if (!this.startCollision)
-        return;
-        const point = this.rigidBody.getWorldCenter();
-        let subPos = point.sub(this.points);
-        let distance = subPos.mag();
-        if(distance <= this.node.width) {
-        
-            // this.node.position = this.node.position.clone().add(cc.v3(this.points.x,  this.points.y ,0));
-        }
     }
 
 }