请问getBoundingBox世界坐标获取不到报错了

@netslang 写道：

//子弹位置实时更新
_enterFrameHandler : function (dt) {
for (var i = this._bullets.length - 1; i >= 0; i--)
{
var bullet = this._bullets[i];
//cc.log(bullet.getBoundingBox());
var bulletRect = bullet.getLocation();
//cc.log(this.newStar.getBoundingBox());

        if (bullet.update())
        {
            this._bullets.splice(i, 1);
        }
    }
    dragonBones.WorldClock.clock.advanceTime(dt);
},

//一下贴上全部代码 官方上下载的
if (!cc.runtime) {
// runtime not support dragonbones.

var NORMAL_ANIMATION_GROUP = "normal";
var AIM_ANIMATION_GROUP = "aim";
var ATTACK_ANIMATION_GROUP = "attack";
var JUMP_SPEED = -20;
var NORMALIZE_MOVE_SPEED = 3.6;
var MAX_MOVE_SPEED_FRONT = NORMALIZE_MOVE_SPEED * 1.4;
var MAX_MOVE_SPEED_BACK = NORMALIZE_MOVE_SPEED * 1.0;
var WEAPON_R_LIST = ["weapon_1502b_r", "weapon_1005", "weapon_1005b", "weapon_1005c", "weapon_1005d", "weapon_1005e"];
var WEAPON_L_LIST = ["weapon_1502b_l", "weapon_1005", "weapon_1005b", "weapon_1005c", "weapon_1005d"];
var GROUND = 130;
var G = -0.6;

cc.Class({
extends: cc.Component,
editor: {
requireComponent: dragonBones.ArmatureDisplay
},

properties: {
    touchHandler : {
        default: null,
        type: cc.Node
    },

    upButton: {
        default: null,
        type: cc.Node
    },

    downButton: {
        default: null,
        type: cc.Node
    },

    leftButton: {
        default: null,
        type: cc.Node
    },

    rightButton: {
        default: null,
        type: cc.Node
    },
    starPrefab: {
        default: null,
        type: cc.Prefab
    },

    _bullets : [],//子弹数组
    _left : false,
    _right : false,
    _isJumpingA : false,
    _isJumpingB : false,
    _isSquating : false,
    _isAttackingA : false,
    _isAttackingB : false,
    _weaponRIndex : 0,
    _weaponLIndex : 0,
    _faceDir : 1,
    _aimDir : 0,
    _moveDir : 0,
    _aimRadian : 0,
    _speedX : 0,
    _speedY : 0,
    _armature : null,
    _armatureDisplay : null,
    _weaponR : null,
    _weaponL : null,
    _aimState : null,
    _walkState : null,
    _attackState : null,
    _target : cc.p(0, 0),
    _newStar:null,
},

//初始化事件
onLoad: function () {
    this._armatureDisplay = this.getComponent(dragonBones.ArmatureDisplay);
    this._armature = this._armatureDisplay.armature();

    this._armatureDisplay.addEventListener(dragonBones.EventObject.FADE_IN_COMPLETE, this._animationEventHandler, this);
    this._armatureDisplay.addEventListener(dragonBones.EventObject.FADE_OUT_COMPLETE, this._animationEventHandler, this);

    this._armature.getSlot('effects_1').displayController = NORMAL_ANIMATION_GROUP;
    this._armature.getSlot('effects_2').displayController = NORMAL_ANIMATION_GROUP;

    this._weaponR = this._armature.getSlot('weapon_r').childArmature;
    this._weaponL = this._armature.getSlot('weapon_l').childArmature;
    this._weaponR.addEventListener(dragonBones.EventObject.FRAME_EVENT, this._frameEventHandler, this);
    this._weaponL.addEventListener(dragonBones.EventObject.FRAME_EVENT, this._frameEventHandler, this);

    this._updateAnimation();
    dragonBones.WorldClock.clock.add(this._armature);

    if (this.touchHandler) {
        // touch events
        // 点击事件
        this.touchHandler.on(cc.Node.EventType.TOUCH_START, event => {
            var touches = event.getTouches();
            var touchLoc = touches[0].getLocation();
            this.aim(touchLoc.x, touchLoc.y);
            this.attack(true);
        }, this);
        //松开鼠标事件
        this.touchHandler.on(cc.Node.EventType.TOUCH_END, event => {
            this.attack(false);
        }, this);
        this.touchHandler.on(cc.Node.EventType.TOUCH_MOVE, event => {
            var touches = event.getTouches();
            var touchLoc = touches[0].getLocation();
            this.aim(touchLoc.x, touchLoc.y);
        }, this);
    }

    if (this.upButton) {
        this.upButton.on(cc.Node.EventType.TOUCH_START, event => {
            this.jump();
        }, this);
    }

    if (this.downButton) {
        this.downButton.on(cc.Node.EventType.TOUCH_START, event => {
            this.squat(true);
        }, this);
        this.downButton.on(cc.Node.EventType.TOUCH_END, event => {
            this.squat(false);
        }, this);
        this.downButton.on(cc.Node.EventType.TOUCH_CANCEL, event => {
            this.squat(false);
        }, this);
    }

    if (this.leftButton) {
        this.leftButton.on(cc.Node.EventType.TOUCH_START, event => {
            this._left = true;
            this._updateMove(-1);
        }, this);
        this.leftButton.on(cc.Node.EventType.TOUCH_END, event => {
            this._left = false;
            this._updateMove(-1);
        }, this);
        this.leftButton.on(cc.Node.EventType.TOUCH_CANCEL, event => {
            this._left = false;
            this._updateMove(-1);
        }, this);
    }

    if (this.rightButton) {
        this.rightButton.on(cc.Node.EventType.TOUCH_START, event => {
            this._right = true;
            this._updateMove(1);
        }, this);
        this.rightButton.on(cc.Node.EventType.TOUCH_END, event => {
            this._right = false;
            this._updateMove(1);
        }, this);
        this.rightButton.on(cc.Node.EventType.TOUCH_CANCEL, event => {
            this._right = false;
            this._updateMove(1);
        }, this);
    }

    // keyboard events
    cc.eventManager.addListener({
        event: cc.EventListener.KEYBOARD,
        onKeyPressed: (keyCode, event) => {
            this._keyHandler(keyCode, true);
        },
        onKeyReleased: (keyCode, event) => {
            this._keyHandler(keyCode, false);
        },
    }, this.node);
    this.spawnNewStar();
},
spawnNewStar: function() {

    // 使用给定的模板在场景中生成一个新节点
    var newStar = cc.instantiate(this.starPrefab);
    // 将新增的节点添加到 Canvas 节点下面
    
    this.node.addChild(newStar);
    // 为星星设置一个随机位置
    newStar.setPosition(this.getNewStarPosition());
    this.newStar = newStar; //经纬度
    
    
},
getNewStarPosition: function () {
    var randX = 500;
    // 根据地平面位置和主角跳跃高度，随机得到一个星星的 y 坐标
    var randY = 300;
    // 返回星星坐标
    return cc.p(randX, randY);
},
//按键处理事件
_keyHandler: function(keyCode, isDown) {
    switch(keyCode) {
        case cc.KEY.a:
        case cc.KEY.left:
            this._left = isDown;
            this._updateMove(-1);
            break;
        case cc.KEY.d:
        case cc.KEY.right:
            this._right = isDown;
            this._updateMove(1);
            break;
        case cc.KEY.w:
        case cc.KEY.up:
            if (isDown) {
                this.jump();
            }
            break;
        case cc.KEY.s:
        case cc.KEY.down:
            this.squat(isDown);
            break;
        case cc.KEY.q:
            if (isDown) {
                this.switchWeaponR();
            }
            break;
        case cc.KEY.e:
            if (isDown) {
                this.switchWeaponL();
            }
            break;
        case cc.KEY.space:
            if (isDown) { //判断是否空格是否按下
                this.switchWeaponR();
                this.switchWeaponL();
            }
            break;
        default:
            return;
    }
},
//更新角色移动
_updateMove : function (dir) {
    if (this._left && this._right) {
        this.move(dir);
    } else if (this._left) {
        this.move(-1);
    } else if (this._right) {
        this.move(1);
    } else {
        this.move(0);
    }
},
//移动
move : function(dir) {
    if (this._moveDir === dir) {
        return;
    }

    this._moveDir = dir;
    this._updateAnimation();
},
//骨骼动画角色跳起事件
jump : function () {
    if (this._isJumpingA) {
        return;
    }

    this._isJumpingA = true;
    this._armature.animation.fadeIn("jump_1", -1, -1, 0, NORMAL_ANIMATION_GROUP);
    this._walkState = null;
},
//角色蹲下事件
squat : function(isSquating) {
    if (this._isSquating === isSquating) {
        return;
    }

    this._isSquating = isSquating;
    this._updateAnimation();
},
//攻击事件
attack : function (isAttacking) {
    if (this._isAttackingA == isAttacking) {
        return;
    }

    this._isAttackingA = isAttacking;
},
//切换左手武器
switchWeaponL : function() {
    this._weaponL.removeEventListener(dragonBones.EventObject.FRAME_EVENT, this._frameEventHandler, this);

    this._weaponLIndex = (this._weaponLIndex + 1) % WEAPON_L_LIST.length;
    var newWeaponName = WEAPON_L_LIST[this._weaponLIndex];
    this._weaponL = this._armatureDisplay.buildArmature(newWeaponName);
    this._armature.getSlot('weapon_l').childArmature = this._weaponL;

    this._weaponL.addEventListener(dragonBones.EventObject.FRAME_EVENT, this._frameEventHandler, this);
},
//切换右手武器
switchWeaponR : function() {
    this._weaponR.removeEventListener(dragonBones.EventObject.FRAME_EVENT, this._frameEventHandler, this);

    this._weaponRIndex = (this._weaponRIndex + 1) % WEAPON_R_LIST.length;
    var newWeaponName = WEAPON_R_LIST[this._weaponRIndex];
    this._weaponR = this._armatureDisplay.buildArmature(newWeaponName);
    this._armature.getSlot('weapon_r').childArmature = this._weaponR;

    this._weaponR.addEventListener(dragonBones.EventObject.FRAME_EVENT, this._frameEventHandler, this);
},
//子弹射击地图方向
aim : function(x, y) {
    if (this._aimDir === 0) {
        this._aimDir = 10;
    }
    this._target = this.node.parent.convertToNodeSpaceAR(cc.p(x, y));
},
//画面实时更新
update : function (dt) {
    this._updatePosition();
    this._updateAim();
    this._updateAttack();
    this._enterFrameHandler(dt);
},
//清除子弹
onDisable : function() {
    cc.log(this._bullets.length);
    // clean the bullets
    for (var i = this._bullets.length - 1; i >= 0; i--)
    {
        var bullet = this._bullets[i];
        cc.log(bullet);
        bullet.doClean();
    }
    this._bullets = [];

    if (this._armature) {
        // remove the _armature from world clock
        dragonBones.WorldClock.clock.remove(this._armature);
    }
},
//清理画面子弹
addBullet : function(bullet) {
    this._bullets.push(bullet);
},
//子弹位置实时更新
_enterFrameHandler : function (dt) {
    for (var i = this._bullets.length - 1; i >= 0; i--)
    {
        var bullet = this._bullets[i];
        //cc.log(bullet.getBoundingBox());
        var bulletRect = bullet.getLocation();
        //cc.log(this.newStar.getBoundingBox());
        
        if (bullet.update())
        {
            this._bullets.splice(i, 1);
        }
    }
    dragonBones.WorldClock.clock.advanceTime(dt);
},
//骨骼动画处理
_animationEventHandler: function(event) {
    if (event.type === dragonBones.EventObject.FADE_IN_COMPLETE) {
        if (event.detail.animationState.name === "jump_1") {
            this._isJumpingB = true;
            this._speedY = -JUMP_SPEED;
            this._armature.animation.fadeIn("jump_2", -1, -1, 0, NORMAL_ANIMATION_GROUP);
        } else if (event.detail.animationState.name === "jump_4") {
            this._updateAnimation();
        }
    }
    else if (event.type === dragonBones.EventObject.FADE_OUT_COMPLETE) {
        if (event.detail.animationState.name === "attack_01") {
            this._isAttackingB = false;
            this._attackState = null;
        }
    }
},
//动画同步处理
_frameEventHandler : function (event) {
    if (event.detail.name === "onFire") {
        var firePointBone = event.detail.armature.getBone("firePoint");
        var localPoint = cc.p(firePointBone.global.x, -firePointBone.global.y);

        var display = event.detail.armature.display;
        var globalPoint = display.convertToWorldSpace(localPoint);

        this._fire(globalPoint);
    }
},
//发射子弹
_fire : function (firePoint) {
    
    firePoint.x += Math.random() * 2 - 1;
    firePoint.y += Math.random() * 2 - 1;

    var armature = this._armatureDisplay.buildArmature("bullet_01");
    var effect = this._armatureDisplay.buildArmature("fireEffect_01");
    var radian = this._faceDir < 0 ? Math.PI - this._aimRadian : this._aimRadian;
    var bullet = new DragonBullet();
    bullet.init(this.node.parent._sgNode, armature, effect, radian + Math.random() * 0.02 - 0.01, 40, firePoint);
    this.addBullet(bullet);
},
//角色切换方向事件
_updateAnimation : function() {
    
    if (this._isJumpingA) {
        return;
    }
    if (this._isSquating) {
        this._speedX = 0;
        this._armature.animation.fadeIn("squat", -1, -1, 0, NORMAL_ANIMATION_GROUP);
        this._walkState = null;
        return;
    }

    if (this._moveDir === 0) {
        this._speedX = 0;
        this._armature.animation.fadeIn("idle", -1, -1, 0, NORMAL_ANIMATION_GROUP);
        this._walkState = null;

    } else {
        if (!this._walkState) {
            this._walkState = this._armature.animation.fadeIn("walk", -1, -1, 0, NORMAL_ANIMATION_GROUP);
        }

        if (this._moveDir * this._faceDir > 0) {
            this._walkState.timeScale = MAX_MOVE_SPEED_FRONT / NORMALIZE_MOVE_SPEED;
        } else {
            this._walkState.timeScale = -MAX_MOVE_SPEED_BACK / NORMALIZE_MOVE_SPEED;
        }

        if (this._moveDir * this._faceDir > 0) {
            this._speedX = MAX_MOVE_SPEED_FRONT * this._faceDir;
        } else {
            this._speedX = -MAX_MOVE_SPEED_BACK * this._faceDir;
        }
    }
},
//主角移动位置
_updatePosition : function() {
    if (this._speedX !== 0) {
        this.node.x += this._speedX;
        //-cc.visibleRect.width / 2
        var minX = 30;
        var maxX = cc.visibleRect.width-30;
        if (this.node.x < minX) {
            this.node.x = minX;
        } else if (this.node.x > maxX) {
            this.node.x = maxX;
        }
    }

    if (this._speedY != 0) {
        if (this._speedY > 5 && this._speedY + G <= 5) {
            this._armature.animation.fadeIn("jump_3", -1, -1, 0, NORMAL_ANIMATION_GROUP);
        }

        this._speedY += G;
        this.node.y += this._speedY;
        if (this.node.y < GROUND) {
            this.node.y = GROUND;
            this._isJumpingA = false;
            this._isJumpingB = false;
            this._speedY = 0;
            this._speedX = 0;
            this._armature.animation.fadeIn("jump_4", -1, -1, 0, NORMAL_ANIMATION_GROUP);
            if (this._isSquating || this._moveDir) {

                this._updateAnimation();
            }
        }
    }
},
//更新目标
_updateAim : function () {
    if (this._aimDir === 0) {
        return;
    }
    this._faceDir = this._target.x > this.node.x ? 1 : -1;
    if (this.node.scaleX * this._faceDir < 0) {
        this.node.scaleX *= -1;
        if (this._moveDir) {
            this._updateAnimation();
        }
    }

    var aimOffsetY = this._armature.getBone("chest").global.y * this.node.scaleY;

    if (this._faceDir > 0) {
        this._aimRadian = Math.atan2(-(this._target.y - this.node.y + aimOffsetY), this._target.x - this.node.x);
    } else {
        this._aimRadian = Math.PI - Math.atan2(-(this._target.y - this.node.y + aimOffsetY), this._target.x - this.node.x);
        if (this._aimRadian > Math.PI) {
            this._aimRadian -= Math.PI * 2;
        }
    }

    let aimDir = 0;
    if (this._aimRadian > 0) {
        aimDir = -1;
    } else {
        aimDir = 1;
    }

    if (this._aimDir != aimDir) {
        this._aimDir = aimDir;

        // Animation mixing.
        if (this._aimDir >= 0) {
            this._aimState = this._armature.animation.fadeIn(
                "aimUp", 0, 1,
                0, AIM_ANIMATION_GROUP, dragonBones.AnimationFadeOutMode.SameGroup
            );
        } else {
            this._aimState = this._armature.animation.fadeIn(
                "aimDown", 0, 1,
                0, AIM_ANIMATION_GROUP, dragonBones.AnimationFadeOutMode.SameGroup
            );
        }

        // Add bone mask.
        //_aimState.addBoneMask("pelvis");
    }

    this._aimState.weight = Math.abs(this._aimRadian / Math.PI * 2);

    //_armature.invalidUpdate("pelvis"); // Only update bone mask.
    this._armature.invalidUpdate();
},
//攻击事物
_updateAttack : function() {
    if (!this._isAttackingA || this._isAttackingB) {
        return;
    }

    this._isAttackingB = true;

    // Animation mixing.
    this._attackState = this._armature.animation.fadeIn(
        "attack_01", -1, -1,
        0, ATTACK_ANIMATION_GROUP, dragonBones.AnimationFadeOutMode.SameGroup
    );

    this._attackState.autoFadeOutTime = this._attackState.fadeTotalTime;
    //动画遮罩与混合  可跑步开枪
    this._attackState.addBoneMask("pelvis");
}

});

var DragonBullet = cc.Class({
name: 'DragonBullet',
_speedX : 0,
_speedY : 0,

_armature : null,
_armatureDisplay : null,
_effect : null,

init : function (parentNode, armature, effect, radian, speed, position) {
    this._speedX = Math.cos(radian) * speed;
    this._speedY = -Math.sin(radian) * speed;
    var thePos = parentNode.convertToNodeSpace(position);

    this._armature = armature;
    this._armatureDisplay = this._armature.display;
    this._armatureDisplay.setPosition(thePos);
    this._armatureDisplay.rotation = radian * dragonBones.DragonBones.RADIAN_TO_ANGLE;
    this._armature.animation.play("idle");
    //交集处理
    /*if(cc.rectIntersectsRect(bullet,this.star.getPosition())){
        cc.log(1);
    }*/
    if (effect) {
        this._effect = effect;
        var effectDisplay = this._effect.display;
        effectDisplay.rotation = radian * dragonBones.DragonBones.RADIAN_TO_ANGLE;
        effectDisplay.setPosition(thePos);
        effectDisplay.scaleX = 1 + Math.random() * 1;
        effectDisplay.scaleY = 1 + Math.random() * 0.5;
        if (Math.random() < 0.5) {
            effectDisplay.scaleY *= -1;
        }

        this._effect.animation.play("idle");

        dragonBones.WorldClock.clock.add(this._effect);
        parentNode.addChild(effectDisplay);
    }
    dragonBones.WorldClock.clock.add(this._armature);
    parentNode.addChild(this._armatureDisplay);
},

update : function() {
    this._armatureDisplay.x += this._speedX;
    this._armatureDisplay.y += this._speedY;

    var worldPos = this._armatureDisplay.parent.convertToWorldSpace(this._armatureDisplay.getPosition());
    if (
        worldPos.x < -100 || worldPos.x >= cc.visibleRect.width + 100 ||
        worldPos.y < -100 || worldPos.y >= cc.visibleRect.height + 100
    ) {
        this.doClean();
        return true;
    }

    return false;
},

doClean : function() {
    dragonBones.WorldClock.clock.remove(this._armature);
    this._armatureDisplay.removeFromParent();
    this._armature.dispose();

    if (this._effect) {
        dragonBones.WorldClock.clock.remove(this._effect);
        this._effect.display.removeFromParent();
        this._effect.dispose();
    }
}

});
} // end of !cc.runtime

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