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宝石の国のopに感化されて作ったもの.彩色はアンタークチサイトの出場シーンをイメージ(氷の青と雪の白)
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| public static final int N = 12; | |
| void setup() { | |
| size(700, 335); | |
| //size(1400, 670); | |
| // 正N角形の座標 | |
| FloatList xs = new FloatList(); | |
| FloatList ys = new FloatList(); | |
| int r = 1404; | |
| for (int i = 0; i < N; i++ ) { | |
| float theta = i*2*PI/N; | |
| xs.append(r*cos(theta)); | |
| ys.append(r*sin(theta)); | |
| } | |
| // 色とかの決定 | |
| background(0,125,255,6); | |
| fill(255, 255, 255,60); | |
| stroke(255, 255, 255,60); | |
| translate(3*width/4, 3*height/4); | |
| rotate(PI/12); | |
| // 描画 | |
| drawFractal(xs, ys, 0); | |
| //saveFrame("E:\\a.png"); | |
| } | |
| void drawFractal(FloatList xs, FloatList ys, int depth) { | |
| if (depth==30)return; | |
| FloatList xs2 = new FloatList(); | |
| FloatList ys2 = new FloatList(); | |
| int k = 4; // 係数 | |
| // 3点の平均を次の座標列にする | |
| for (int i = 0; i < N; i++ ) { | |
| xs2.append((xs.get(i)+xs.get((i+k/2)%N)+xs.get((i+k)%N))/3); | |
| ys2.append((ys.get(i)+ys.get((i+k/2)%N)+ys.get((i+k)%N))/3); | |
| } | |
| // 新たな座標列とそのもととなった座標列で三角形を描画 | |
| for (int i = 0; i < N; i++ ) { | |
| triangle( | |
| xs.get(i%N), ys.get(i%N), | |
| xs.get((i+k)%N), ys.get((i+k)%N), | |
| xs2.get(i%N), ys2.get(i%N)); | |
| } | |
| // 再帰呼び出し | |
| drawFractal(xs2, ys2, depth+1); | |
| } |
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