[LayaAir 2.0]类似古文显示方式脚本，文字垂直显示，可以控制显示速度出现打字效果等

/**古文脚本 */

export default class TextAncient extends Laya.Script {

    /** @prop {name:text, tips:"显示文本", type:String, default:"hello world"}*/

    public text: string = "hello world";

    /** @prop {name:color, tips:"字符串类型示例", type:String, default:"#0000ff"}*/

    public color: string = "#0000ff";

    /** @prop {name:layoutType, tips:"排版方式（verticalRight-0 竖排从右到左）", type:enum, default:0}*/

    public layoutType: layoutType = 0;

    /** @prop {name:animationState, tips:"动画状态-0 不开启）", type:number, default:0}*/

    public animationState: number = 0;

    /** @prop {name:animationState, tips:"动画间隔单位毫秒", type:number, default:300}*/

    public animationInterval: number = 0;

    /** @prop {name:font, tips:"定义字体，比如"Arial, type:number, default:"Arial"}*/

    public font: string = "Arial";

    /** @prop {name:fontSize, tips:"定义字号，比如20", type:number, default:20}*/

    public fontSize: number = 20;



    /** @prop {name:verticalSpace, tips:"垂直方向间距", type:number, default:5}*/

    public verticalSpace: number = 5;



    /** @prop {name:horizontalSpace, tips:"水平方向间距", type:number, default:5}*/

    public horizontalSpace: number = 5;



    private sprite: Laya.Sprite;

    constructor() {

        super();

        this.sprite = new Laya.Sprite();

    }

    drawText(x: number, y: number, w: number, h: number) {

        console.log(2222);

         

        var j = 0;//控制行列

        var printNumber = 0;//当前输出字数

        var fonts = this.fontSize + "px" + " "  +this.font ;

        var xAction = (n) => { return -n * this.fontSize -this.horizontalSpace; };

        var yAction = (n) => { return n * this.fontSize + this.verticalSpace; };

        this.sprite.pos(x + w-this.fontSize-this.horizontalSpace, 0);

        for (let i = 0; i < this.text.length; i++) {

            const element = this.text.charAt(i);

            var _x = xAction(j);

            var _y = yAction(printNumber);

            this.sprite.graphics.fillText(element, _x, _y, fonts, this.color, "left");

            if (yAction(printNumber + 1) > h) {

                j++;

                printNumber = 0;

            }

            else {

                printNumber++;

            }

        }



    }

    drawTextBySprite(sprite: Laya.Sprite) {

        sprite.addChild(this.sprite);

        this.drawText(sprite.x, sprite.y, sprite.width, sprite.height);

    }

    onEnable(): void {



    }



    onDisable(): void {



    }

}

export enum layoutType {

    /**竖排 */

    verticalRight = 0,

}