Processing系列 花环图形

void setup() {
  size(300, 300);
  translate(width/2, height/2);
  background(55);
  stroke(255);
  noFill();
 
  int n = 16, radius = 125;
  Point[] points = new Point[n];
  for (int i=0; i<n; i++) {
    float x = cos(TWO_PI/n*i)*radius;
    float y = sin(TWO_PI/n*i)*radius;
    points[i] = new Point(x, y);
  }
  for (int i=0; i<n; i++) {
    for (int j=i+1; j<n; j++) {
      line(points[i].x, points[i].y, points[j].x, points[j].y);
    }
  }
}
 
class Point {
  float x, y;
  Point(float x, float y) {
    this.x = x;
    this.y = y;
  }
}
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