cc.Class({
    extends: cc.Component,

    properties: {
        //-- 滚动的速度
        speed: 0,
        //-- X轴边缘
        resetX: 0,

        isFollowPlayerState:false,

        notAffectedBySpeed:false,

        coefficientOfVelocity:1,
    },

    start(){
        this.speed = -GlobalData.game.GameSpeed*this.coefficientOfVelocity;
    },

    update (dt) {
        if (GlobalData.game.state !== GlobalData.GameManager.State.Run) {
            return;
        }
        if(this.isFollowPlayerState&&GlobalData.game.PlayerState == GlobalData.GameManager.PlayerState.Stop){
           return;
        }
        if(!this.notAffectedBySpeed){
            this.speed = -GlobalData.game.GameSpeed*this.coefficientOfVelocity;
        }
        var x = this.node.x;
        x += this.speed * dt;
        if (x <= this.resetX) {
            x -= this.resetX;
        }
        this.node.x = x;
    }
});