1

src/custom/p2demo/debug/main.js

@@ -94,7 +94,9 @@
 	    };
 	    GameView.prototype.setup = function () {
 	        console.log('setup');
-	        var world = new p2.World({});
+	        var world = new p2.World({
+	            gravity: [0, -20],
+	        });
 	        world.sleepMode = p2.World.BODY_SLEEPING;
 	        var planeShape = new p2.Plane();
 	        var planeBody = new p2.Body();

src/custom/p2demo/src/game/GameView.ts

@@ -116,7 +116,7 @@ export default class GameView extends engine.Container {
 
     //创建world
     var world: p2.World = new p2.World({
-      // gravity: [0, 0],
+      gravity: [0, -10],
     });
 
     world.sleepMode = p2.World.BODY_SLEEPING;