PingPongPro/assets/scripts/balls/ball.js

// 对手削球，从右侧到右侧

cc.Class({
    extends: cc.Component,

    properties: {
    },

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        this.initValues();
        this.initNodes();
    },

    // start () {

    //     this.rivalPeelLtoR_01();
    //     this.ballAction();
    // },

    // update() {
    //     var beginPos = cc.v2(-95, 264);
    //     var centerPos = cc.v2(30, 5);
    //     var endPos = cc.v2(163, -140);

    //     this.g.lineWidth = 4;
    //     this.g.moveTo(beginPos.x, beginPos.y);
    //     this.g.bezierCurveTo(beginPos.x, beginPos.y, -270, 440, centerPos.x, centerPos.y);
    //     this.g.bezierCurveTo(centerPos.x, centerPos.y, 110, 20, endPos.x, endPos.y);
    //     this.g.stroke();
    // },

    // 初始化
    initValues:function () {
        // 配置绘制的数据
        // 从配置中心获取数据
        this.gameconfig = require ("gameconfig")
        // 配置绘制组件
        this.g = this.getComponent(cc.Graphics);
        // 球的状态
        this.ballconfig = require("ballconfig");

        // 记录下节点
        this.poses = new Array();
        // 记录是否需要撞击的效果
        this.showBump = false;
        // 速度
        this.speed = 100.0;
    },

    // 初始化子节点
    initNodes:function() {
        this.head = new cc.Node("");
        this.head.setPosition(cc.v2(0, 0));
        this.head.parent = this.node;
    },

    // 外部调用
    // 球的运动停止
    ballStop:function() {
        // 首先停止所有动作
        this.head.stopAllActions();
        // 清空节点数组
        this.poses = [];
        this.g.clear();
    },

    // 全部停止
    ballEnd:function() {
        this.unschedule(this.ballUpdate);
        // 首先停止所有动作
        this.head.stopAllActions();
        // 清空节点数组
        this.poses = [];
        this.g.clear();
    },

    // 球开始运动，开始刷新帧
    ballAction:function() {
        this.schedule(this.ballUpdate, 1 / 60);
    },

    // 我方接球，从左到左
    minePatLToL_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(-103, -110);
        var dropPos = cc.v2(-64, 144);
        var endPos = cc.v2(-53, 313);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(-82, 20), dropPos];
        var bezier_02 = [dropPos, cc.v2(-68, 220), endPos];

        var move_01 = cc.bezierTo(this.speed / 300, bezier_01);
        var self = this;
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 300;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_RIVAL_LEFT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_RIVAL);
        var jump = cc.jumpBy(1, cc.v2(50, 40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 我方接球，从右到右
    minePatRToR_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(52, -109);
        var dropPos = cc.v2(71, 141);
        var endPos = cc.v2(131, 309);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(61, 16), dropPos];
        var bezier_02 = [dropPos, cc.v2(40, 289), endPos];

        var move_01 = cc.bezierTo(this.speed / 350, bezier_01);
        var self = this;
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 150;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_RIVAL_RIGHT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_RIVAL);
        var jump = cc.jumpBy(1, cc.v2(50, 40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 我方接球，从左到右
    minePatLToR_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(-103, -76);
        var dropPos = cc.v2(47, 140);
        var endPos = cc.v2(221, 346);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(-52, 20), dropPos];
        var bezier_02 = [dropPos, cc.v2(22, 340), endPos];

        var move_01 = cc.bezierTo(this.speed / 400, bezier_01);
        var self = this;
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 150;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_RIVAL_RIGHT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_RIVAL);
        var jump = cc.jumpBy(1, cc.v2(50, 40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 我方削球，从右到左
    minePeelRToL_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(128, -117);
        var dropPos = cc.v2(-66, 143);
        var endPos = cc.v2(-134, 308);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(31, 15), dropPos];
        var bezier_02 = [dropPos, cc.v2(-75, 300), endPos];

        var move_01 = cc.bezierTo(this.speed / 150, bezier_01);
        var self = this;
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 150;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_RIVAL_LEFT_PEEL);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_RIVAL);
        var jump = cc.jumpBy(1, cc.v2(-50, 40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 我方削球，从右到右
    minePeelRToR_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(148, -176);
        var dropPos = cc.v2(79, 99);
        var endPos = cc.v2(104, 319);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(180, -20), dropPos];
        var bezier_02 = [dropPos, cc.v2(92, 210), endPos];

        var move_01 = cc.bezierTo(this.speed / 250, bezier_01);
        var self = this;
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 200;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 2);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_RIVAL_RIGHT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_RIVAL);
        var jump = cc.jumpBy(1, cc.v2(50, 40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手发球
    rivalServer:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var serverBegin = cc.v2(166, 290);
        var beatPos = cc.v2(96, 274);
        var dropPos = cc.v2(28, 144);
        var jumpPos = cc.v2(-14, 21);
        var endPos = cc.v2(-147, -161);

        // 将节点移动到指定位置
        this.head.setPosition(serverBegin);

        // 4条贝塞尔曲线
        var bezier_01 = [serverBegin, cc.v2(125, 400), beatPos];
        var bezier_02 = [beatPos, cc.v2(45, 250), dropPos];
        var bezier_03 = [dropPos, cc.v2(0, 56), jumpPos];
        var bezier_04 = [jumpPos, cc.v2(-80, 10), endPos];
        
        // 四条路线
        var move_01 = cc.bezierTo(1.2, bezier_01);
        var move_02 = cc.bezierTo(this.speed / 750, bezier_02);
        var move_03 = cc.bezierTo(this.speed / 1000, bezier_03);
        var self = this;
        var move_03_end = cc.callFunc(function() {
            self.bump(jumpPos);
        });

        var move_04_time = this.speed / 350;
        var move_04 = cc.bezierTo(move_04_time, bezier_04);
        // 在第四条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_04_time / 3);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_LEFT_PAT);
        var spawn = cc.spawn(move_04, cc.sequence(delay, change));
        var move_04_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-100, -40), 30, 4);
        this.head.runAction(cc.sequence(move_01, move_02, move_03, move_03_end, spawn, move_04_end, jump));
    },

    // 对手接球，从右到左
    rivalPatRToL_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(112, 328);
        var dropPos = cc.v2(-22, 16);
        var endPos = cc.v2(-122, -182);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        // 贝塞尔曲线的关键点
        var bezier_01 = [beginPos, cc.v2(45, 172), dropPos];
        var bezier_02 = [dropPos, cc.v2(-120, -10), endPos];

        // 第一条路线
        var move_01 = cc.bezierTo(this.speed / 300, bezier_01);
        var self = this;
        // 中间碰到了桌面
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 200;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_LEFT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-100, -40), 30, 3);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手接球，第二种从右到左
    rivalPatRToL_02:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(103, 272);
        var dropPos = cc.v2(-15, 23);
        var endPos = cc.v2(-135, -123);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        // 贝塞尔曲线的关键点
        var bezier_01 = [beginPos, cc.v2(-15, 350), dropPos];
        var bezier_02 = [dropPos, cc.v2(-85, 65), endPos];

        // 第一条路线
        var move_01 = cc.bezierTo(this.speed / 250, bezier_01);
        var self = this;
        // 中间碰到了桌面
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 150;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_LEFT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-100, -40), 30, 3);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手接球，从左到左
    rivalPatLToL_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }
        
        var beginPos = cc.v2(-53, 272);
        var dropPos = cc.v2(-73, 10);
        var endPos = cc.v2(-127, -171);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        // 贝塞尔曲线的关键点
        var bezier_01 = [beginPos, cc.v2(-63, 149), dropPos];
        var bezier_02 = [dropPos, cc.v2(-95, -40), endPos];

        // 第一条路线
        var move_01 = cc.bezierTo(this.speed / 400, bezier_01);
        var self = this;
        // 中间碰到了桌面
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 250;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_LEFT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-40, -40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },


    // 对手接球，从左到右
    rivalPatLToR_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }
        
        var beginPos = cc.v2(-56, 298);
        var dropPos = cc.v2(25, 13);
        var endPos = cc.v2(95, -115);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        // 贝塞尔曲线的关键点
        var bezier_01 = [beginPos, cc.v2(4, 145), dropPos];
        var bezier_02 = [dropPos, cc.v2(95, -35), endPos];

        // 第一条路线
        var move_01 = cc.bezierTo(this.speed / 400, bezier_01);
        var self = this;
        // 中间碰到了桌面
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 200;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_RIGHT_PEEL);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(40, -40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手接球，从右到右
    rivalPatRToR_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }
        
        var beginPos = cc.v2(101, 271);
        var dropPos = cc.v2(49, 29);
        var endPos = cc.v2(24, -171);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        // 贝塞尔曲线的关键点
        var bezier_01 = [beginPos, cc.v2(50, 450), dropPos];
        var bezier_02 = [dropPos, cc.v2(15, 95), endPos];

        // 第一条路线
        var move_01 = cc.bezierTo(this.speed / 200, bezier_01);
        var self = this;
        // 中间碰到了桌面
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });

        var move_02_time = this.speed / 250;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_RIGHT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-40, -40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手接球，第二种从右到右
    rivalPatRToR_02:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }
        
        var beginPos = cc.v2(98, 273);
        var dropPos = cc.v2(49, 21);
        var endPos = cc.v2(28, -130);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        // 贝塞尔曲线的关键点
        var bezier_01 = [beginPos, cc.v2(68, 147), dropPos];
        var bezier_02 = [dropPos, cc.v2(15, -20), endPos];

        // 第一条路线
        var move_01 = cc.bezierTo(this.speed / 200, bezier_01);
        var self = this;
        // 中间碰到了桌面
        var move_01_end = cc.callFunc(function() {
            self.bump(dropPos);
        });
        
        var move_02_time = this.speed / 150;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_RIGHT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-40, -40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手削球，从左到左
    rivalPeelLtoL_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(-95, 263);
        var centerPos = cc.v2(-75, 58);
        var endPos = cc.v2(-66, -163);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(-230, 410), centerPos];
        var move_01 = cc.bezierTo(this.speed / 180, bezier_01);
        var move_01_end = cc.callFunc(function() {
            this.bump(centerPos);
        }, this);
        var bezier_02 = [centerPos, cc.v2(-125, 40), endPos];

        var move_02_time = this.speed / 180;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_LEFT_PAT);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(-40, -40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 对手削球，从左到右
    rivalPeelLtoR_01:function() {
        if(this.stateCallback != null) {
            this.stateCallback(this.ballconfig.BALL_STATE_FLYING);
        }

        var beginPos = cc.v2(-95, 264);
        var centerPos = cc.v2(30, 5);
        var endPos = cc.v2(163, -140);

        // 将节点移动到指定位置
        this.head.setPosition(beginPos);

        var bezier_01 = [beginPos, cc.v2(-270, 440), centerPos];
        var move_01 = cc.bezierTo(this.speed / 180, bezier_01);
        var move_01_end = cc.callFunc(function() {
            this.bump(centerPos);
        }, this);
        var bezier_02 = [centerPos, cc.v2(110, 20), endPos];

        var move_02_time = this.speed / 150;
        var move_02 = cc.bezierTo(move_02_time, bezier_02);
        // 在第二条路线后开始的一段时间，需要通知控制器改变状态
        var delay = cc.delayTime(move_02_time / 4);
        var change = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_MINE_RIGHT_PEEL);
        var spawn = cc.spawn(move_02, cc.sequence(delay, change));
        var move_02_end = cc.callFunc(this.changeState, this, this.ballconfig.BALL_STATE_DROP_IN_MINE);
        var jump = cc.jumpBy(1, cc.v2(40, -40), 30, 2);

        this.head.runAction(cc.sequence(move_01, move_01_end, spawn, move_02_end, jump));
    },

    // 球磕碰
    bump:function(loc) {
        this.bumpLoc = loc;
        this.bumpTime = 0;

        this.showBump = true;
    },

    // 更改状态
    changeState:function(node, state) {
        // cc.log ("改变状态 ... " + state);
        if(this.stateCallback != null) {
            this.stateCallback(state);
        }
    },

    // 绘图
    draw:function(delay) {
        this.g.clear();

        // 画脑袋和身体
        this.g.lineWidth = this.gameconfig.CIRCLE_WIDTH

        // 画个头部
        this.g.fillColor.fromHEX('#ff00000');
        this.g.circle(this.head.x, this.head.y, this.gameconfig.HEAD_SIZE);
        this.g.close();
        this.g.stroke();
        this.g.fill();
        
        var pos = this.poses[0];
        this.g.lineWidth = 3;
        this.g.moveTo(pos.x, pos.y)
        for (var i = 0; i < this.poses.length; i++) {
            var getPos = this.poses[i];
            this.g.lineTo(getPos.x, getPos.y);
        }

        this.g.stroke();


        // 当需要绘制撞击点时
        if (this.showBump) {

            this.bumpTime += delay;

            var timeScale = 15;
            var space = 1;
            var low = 2.5;
            var high = 10;

            // 右上
            this.g.lineWidth = 3;
            this.g.moveTo(this.bumpLoc.x + space + this.bumpTime * timeScale * low, this.bumpLoc.y + space + this.bumpTime * timeScale * low);
            this.g.lineTo(this.bumpLoc.x + space + this.bumpTime * timeScale * high, this.bumpLoc.y + space + this.bumpTime * timeScale * high)
            this.g.stroke();

            // 右下
            this.g.lineWidth = 3;
            this.g.moveTo(this.bumpLoc.x + space + this.bumpTime * timeScale * low, this.bumpLoc.y - space - this.bumpTime * timeScale * low);
            this.g.lineTo(this.bumpLoc.x + space + this.bumpTime * timeScale * high, this.bumpLoc.y - space - this.bumpTime * timeScale * high)
            this.g.stroke();

            // 左上
            this.g.lineWidth = 3;
            this.g.moveTo(this.bumpLoc.x - space - this.bumpTime * timeScale * low, this.bumpLoc.y + space + this.bumpTime * timeScale * low);
            this.g.lineTo(this.bumpLoc.x - space - this.bumpTime * timeScale * high, this.bumpLoc.y + space + this.bumpTime * timeScale * high)
            this.g.stroke();

            // 右下
            this.g.lineWidth = 3;
            this.g.moveTo(this.bumpLoc.x - space - this.bumpTime * timeScale * low, this.bumpLoc.y - space - this.bumpTime * timeScale * low);
            this.g.lineTo(this.bumpLoc.x - space - this.bumpTime * timeScale * high, this.bumpLoc.y - space - this.bumpTime * timeScale * high)
            this.g.stroke();

            if (this.bumpTime > 0.1) {
                this.showBump = false;
            }
        }
    },

    // 帧更新
    ballUpdate:function (dt) {
        // 记录当前的位置
        var news = [this.head.position];
        // 在结合当前的数组
        this.poses = news.concat(this.poses);
        // 如果数组长度大于20，则将最后一个删除
        if (this.poses.length > 10) {
            this.poses.pop();
        }

        this.draw(dt);
    },
});