CocosCreator 物理引擎-刚体

const {ccclass, property} = cc._decorator;
 
@ccclass
export default class demo2 extends cc.Component {
 
    onLoad(){
         //绘制调试信息
         cc.director.getPhysicsManager().enabled = true;
         //16 = cc.PhysicsManager.e_centerOfMassBit
         cc.director.getPhysicsManager().debugDrawFlags = cc.PhysicsManager.DrawBits.e_shapeBit | 16 | cc.PhysicsManager.DrawBits.e_jointBit;
 
        //重力
        cc.director.getPhysicsManager().gravity = cc.v2(0,-320);
 
         // 开启物理步长的设置
        var manager = cc.director.getPhysicsManager();
        manager.enabledAccumulator = true;
        // 物理步长，默认 FIXED_TIME_STEP 是 1/60
        cc.PhysicsManager.FIXED_TIME_STEP = 1/30;
        // 每次更新物理系统处理速度的迭代次数，默认为 10
        cc.PhysicsManager.VELOCITY_ITERATIONS = 8;
        // 每次更新物理系统处理位置的迭代次数，默认为 10
        cc.PhysicsManager.POSITION_ITERATIONS = 8;  
    }
}