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我需要繪製六階希爾伯特曲線,但我的程序僅適用於一階。我認爲輪換(或所有事情)有問題,但究竟是什麼?將非常感謝您的幫助。通過遞歸繪製希爾伯特曲線
public class TurtleFractal {
public static void HilbertCurve(int n, Turtle fred, double step) {
if (n > 0) {
if (n % 2 == 1) {
fred.left(90);
HilbertCurve(n - 1, fred, step);
fred.forward(step);
fred.right(90);
HilbertCurve(n - 1, fred, step);
fred.forward(step);
HilbertCurve(n - 1, fred, step);
fred.right(90);
fred.forward(step);
HilbertCurve(n - 1, fred, step);
fred.left(90);
} else {
fred.right(90);
HilbertCurve(n - 1, fred, step);
fred.forward(step);
fred.left(90);
HilbertCurve(n - 1, fred, step);
fred.forward(step);
HilbertCurve(n - 1, fred, step);
fred.left(90);
fred.forward(step);
HilbertCurve(n - 1, fred, step);
fred.right(90);
}
}
}
public static void main(String[] args) {
Turtle fred = new Turtle(0, 0, 0);
//fred can go forward or turn to any angle
// 0,0-initial coordinates, 0-angle
fred.down();
int n = 2;
//n - curve size
double s = Math.pow(2, n - 2);
double step = 0.5/(s * 3 + (s - 1));
//draw the curve
HilbertCurve(n, fred, step);
}