constructor(data) {

    // this.speed = p5.Vector.random2D();

    this.speed = createVector(1, 0);

    this.speed.mult(random(0.02));

    this.strokeData = data;

    this.scaleNum = 80;

  }

​

  update() {

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

      this.strokeData[i][0] += this.speed.x;

      this.strokeData[i][1] += this.speed.y;

    }

  }

​

  checkBound() {

​

  }

​

  show() {

    beginShape();

    noFill();

    vertex(this.strokeData[0][0] * this.scaleNum, this.strokeData[0][1] * this.scaleNum);

    vertex(this.strokeData[1][0] * this.scaleNum, this.strokeData[1][1] * this.scaleNum);

​

    if (this.strokeData.length == 3) {

      vertex(this.strokeData[2][0] * this.scaleNum, this.strokeData[2][1] * this.scaleNum);

    }

    if (this.strokeData.length == 4) {

      vertex(this.strokeData[3][0] * this.scaleNum, this.strokeData[3][1] * this.scaleNum);

    }

​

    if (this.strokeData.length == 5) {

      vertex(this.strokeData[4][0] * this.scaleNum, this.strokeData[4][1] * this.scaleNum);

    }

    endShape();

  }

}