無題

昨日に引き続いて色々やったのけど個別にまとめている時間がない。後日整理する。

int num = 100;
ArrayList<Box> boxes = new ArrayList<Box>();

// setup関数 : 初回1度だけ実行される
void setup() {
  size(960, 540); // ウィンドウサイズを960px,540pxに
  colorMode(HSB, 360, 100, 100); // HSBでの色指定にする
  smooth(); // 描画を滑らかに
  float sizeGrid = random(40, 60);
  for (float y = 0; y <= height; y += sizeGrid) {
    for (float x = 0; x <= width; x += sizeGrid) {
      Box box = new Box(sizeGrid/2 + x, sizeGrid/2 + y, sizeGrid);
      boxes.add(box);
    }
  }
}

// draw関数 : setup関数実行後繰り返し実行される
void draw() {
  fill(206, 72, 47);
  rect(0, 0, width, height);
  for (Box b : boxes) {
    b.update();
    b.display();
  }
}

class Box {
  float x, y;
  float sizeGrid;
  float easing;
  float sizeMin;
  float sizeMax;
  boolean isForward;
  float sizeCurrent;
  color c;
  color[] colors = {color(186, 87, 64), color(182, 29, 95), color(85, 11, 100), color(32, 100, 92)};
  Box(float _x, float _y, float _sizeGrid) {
    x = _x;
    y = _y;
    sizeGrid = _sizeGrid/2;
    easing = random(0.01, 0.1);
    sizeMin = 0;
    sizeMax = sqrt(sizeGrid * sizeGrid + sizeGrid * sizeGrid);
    c = colors[int(random(colors.length))];
    if (random(1) > 0.5) {
      isForward = true;
      sizeCurrent = sizeMin;
    } else {
      isForward = false;
      sizeCurrent = sizeMax;
    }
  }

  void update() {
    float sizeTarget;
    if (isForward) {
      sizeTarget = sizeMax;
    } else {
      sizeTarget = sizeMin;
    }
    sizeCurrent = lerp(sizeCurrent, sizeTarget, easing);
    if (abs(sizeCurrent - sizeTarget) < 1) {
      if (isForward) {
        sizeTarget = random(sizeMin, sizeMin+sizeMax/10);
      } else {
        sizeTarget = random(sizeMax/4, sizeMax);
        c = colors[int(random(colors.length))];
      }
      isForward = !isForward;
      easing = random(0.05, 0.1);
    }
  }

  void display() {
    noStroke();
    fill(c);
    pushMatrix();
    translate(x, y);
    beginShape();
    for (float angle = 0; angle < 360; angle += 10) {
      float theta = radians(angle);
      float x1 = cos(theta) * sizeCurrent;
      float y1 = sin(theta) * sizeCurrent;
      x1 = constrain(x1, -sizeGrid, sizeGrid);
      y1 = constrain(y1, -sizeGrid, sizeGrid);
      vertex(x1, y1);
    }
    endShape(CLOSE);
    popMatrix();
  }
}