laya---直线移动

beginMove(result: Function) {
        let width;
        let height;
        let ratio;
        let isXmax;
 
        if (this.ownFwy_cp.x > 0 && this.moveTaget.x > 0) {
            if (this.ownFwy_cp.x > this.moveTaget.x) {
                width = this.ownFwy_cp.x - this.moveTaget.x;
            } else {
                width = this.moveTaget.x - this.ownFwy_cp.x;
            }
        } else if ((this.ownFwy_cp.x > 0 && this.moveTaget.x < 0) || (this.ownFwy_cp.x < 0 && this.moveTaget.x > 0)) {
            width = Math.abs(this.ownFwy_cp.x) + Math.abs(this.moveTaget.x);
        }
        else {
            if (Math.abs(this.ownFwy_cp.x) > Math.abs(this.moveTaget.x)) {
                width = Math.abs(this.ownFwy_cp.x) - Math.abs(this.moveTaget.x);
            } else {
                width = Math.abs(this.moveTaget.x) + Math.abs(this.ownFwy_cp.x);
            }
        }
 
        if (this.ownFwy_cp.y > 0 && this.moveTaget.y > 0) {
            if (this.ownFwy_cp.y > this.moveTaget.y) {
                height = this.ownFwy_cp.y - this.moveTaget.y;
            } else {
                height = this.moveTaget.y - this.ownFwy_cp.y;
            }
        } else if ((this.ownFwy_cp.y > 0 && this.moveTaget.y < 0) || (this.ownFwy_cp.y < 0 && this.moveTaget.y > 0)) {
            height = Math.abs(this.ownFwy_cp.y) + Math.abs(this.moveTaget.y);
        }
        else {
            if (Math.abs(this.ownFwy_cp.y) > Math.abs(this.moveTaget.y)) {
                height = Math.abs(this.ownFwy_cp.y) - Math.abs(this.moveTaget.y);
            } else {
                height = Math.abs(this.moveTaget.y) + Math.abs(this.ownFwy_cp.y);
            }
        }
 
        if (width > height) {
            ratio = width / height;
            isXmax = true;
        } else {
            ratio = height / width;
            isXmax = false;
        }
        console.log("w:" + width + "...h:" + height + "...r:" + ratio);
 
        Laya.timer.frameLoop(1, this, () => {
            
            if(isXmax){
                if (this.ownFwy_cp.x > this.moveTaget.x) {
                    this.ownFwy_cp.x -= this.moveSpeed;
                    if (this.ownFwy_cp.x <= this.moveTaget.x) {
                        this.ownFwy_cp.x = this.moveTaget.x;
                    }
                } else if (this.ownFwy_cp.x < this.moveTaget.x) {
                    this.ownFwy_cp.x += this.moveSpeed;
                    if (this.ownFwy_cp.x > this.moveTaget.x) {
                        this.ownFwy_cp.x = this.moveTaget.x;
                    }
                }
                if (this.ownFwy_cp.y > this.moveTaget.y) {
                    this.ownFwy_cp.y -= this.moveSpeed/ratio;
                    if (this.ownFwy_cp.y < this.moveTaget.y) {
                        this.ownFwy_cp.y = this.moveTaget.y;
                    }
                } else if (this.ownFwy_cp.y < this.moveTaget.y) {
                    this.ownFwy_cp.y += this.moveSpeed/ratio;
                    if (this.ownFwy_cp.y > this.moveTaget.y) {
                        this.ownFwy_cp.y = this.moveTaget.y;
                    }
                }
            }else{
                if (this.ownFwy_cp.x > this.moveTaget.x) {
                    this.ownFwy_cp.x -= this.moveSpeed/ratio;
                    if (this.ownFwy_cp.x <= this.moveTaget.x) {
                        this.ownFwy_cp.x = this.moveTaget.x;
                    }
                } else if (this.ownFwy_cp.x < this.moveTaget.x) {
                    this.ownFwy_cp.x += this.moveSpeed/ratio;
                    if (this.ownFwy_cp.x > this.moveTaget.x) {
                        this.ownFwy_cp.x = this.moveTaget.x;
                    }
                }
                if (this.ownFwy_cp.y > this.moveTaget.y) {
                    this.ownFwy_cp.y -= this.moveSpeed;
                    if (this.ownFwy_cp.y < this.moveTaget.y) {
                        this.ownFwy_cp.y = this.moveTaget.y;
                    }
                } else if (this.ownFwy_cp.y < this.moveTaget.y) {
                    this.ownFwy_cp.y += this.moveSpeed;
                    if (this.ownFwy_cp.y > this.moveTaget.y) {
                        this.ownFwy_cp.y = this.moveTaget.y;
                    }
                }
            }
 
            if (this.ownFwy_cp.x == this.moveTaget.x && this.ownFwy_cp.y == this.moveTaget.y) {
                Laya.timer.clearAll(this);
                result(true);
            }
        });
    }