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從「./BaseScene」匯入BaseScene;

const SKY_IMAGE = "天空";
const SKY_IMAGE_BLACK = "天黑";
const BOARD =「板」；
const HEADER_ACT = "header_act";
const KEY_BRUSH = "畫筆";
const BGGAME = "bg 遊戲";

匯出預(yù)設(shè)類別 Scratch 擴(kuò)充功能 BaseScene {
  構(gòu)造函數(shù)（配置）{
    超級(jí)（“刮痕”，{...配置}）；
    this.config = 配置；
    this.isDown = false;
    this.renderTexture = null;
    this.brush = null;
    this.erasedPixels = 0;
    this.screenCenter = [config.width / 2, config.height / 2];
  }

  創(chuàng)造（） {
    超級(jí).create();
    this.cover = this.make.image({
      鍵：SKY_IMAGE_BLACK，
      添加：假，
    });
    this.board = this.make.image({
      鍵盤，
      添加：假，
    });
    this.ScratchOff();
    this.add.image(...this.screenCenter, BOARD).setScale(0.7);
    console.log(this.board.getBounds());
    const headerinfo = this.add
      .image(this.screenCenter[0] - 160, 130, "header_act")
      .setScale(0.7);
    讓 helloWorld = this.add
      .text(0, 0, "你好世界")

      .setFont("20px 宋體")
      .setColor("#ffffff");

    const 容器 = this.add.container(headerinfo.x, headerinfo.y);
    容器.add(helloWorld);
  }

  刮掉（）{
    這個(gè).add
      .image(this.screenCenter[0] - 160, this.screenCenter[1], SKY_IMAGE)
      .setScale(0.7);

    this.cover.setOrigin(0, 0);

    const 寬度 = this.cover.width;
    const height = this.cover.height;
    控制臺(tái).log（寬度，高度）；

    const rt = this.add.renderTexture(
      this.screenCenter[0] - 160,
      這個(gè).screenCenter[1],
      寬度*0.7，
      高度*0.71
    ）；
    this.isRenderTextureErased = false;
    this.erasureThreshold = 0.99;
    rt.setOrigin(0.5, 0.5);
    rt.draw(this.cover); //，寬度*0.5，高度*0.5)

    rt.setInteractive();
    rt.on(Phaser.Input.Events.POINTER_DOWN, this.handlePointerDown, this);
    rt.on(Phaser.Input.Events.POINTER_MOVE, this.handlePointerMove, this);
    rt.on(Phaser.Input.Events.POINTER_UP, () => (this.isDown = false));

    this.brush = this.make.image({
      鍵：KEY_BRUSH，
      添加：假，
    });

    this.renderTexture = rt;
  }

  處理指針向下（指針）{
    this.isDown = true;
    this.handlePointerMove(指針);
  }

  處理指針移動(dòng)（指針）{
    if (!this.isDown) {
      返回;
    }
    const x = 指標(biāo).x - this.renderTexture.x this.renderTexture.width * 0.5;
    常數(shù) y =
      指標(biāo).y - this.renderTexture.y this.renderTexture.height * 0.5;
    this.renderTexture.erase(this.brush, x, y);
    const 結(jié)果 = this.calculateScratchRatio(x, y);
    console.log(“結(jié)果”, 結(jié)果);
  }計(jì)算刮痕比（x，y）{
    const 紋理 = this.textures.get(SKY_IMAGE_BLACK);
    控制臺(tái).log(紋理);
    如果（！紋理）{
      console.error(`未找到帶有鍵“${SKY_IMAGE_BLACK}”的紋理。`);
      返回0；
    }

    控制臺(tái).log(紋理);
    const canvas = document.createElement("canvas");
    canvas.width =texture.source[0].width;
    console.log("canvas.width", canvas.width);
    canvas.height =texture.source[0].height;
    const context = canvas.getContext("2d");
    context.drawImage(texture.source[0].image, 0, 0);

    const imageData = context.getImageData(0, 0, canvas.width, canvas.height);

    const 像素 = imageData.data;
    console.log(imageData, 像素);
    讓擦除計(jì)數(shù) = 0;

    for (令 i = 3; i ></p>