a leaf

xiaoxiao2021-03-06  52

Import java.applet. *;

Import java.awt. *;

Public class leafapplet extends java.applet.applet {

Public void init () {

}

Public void paint (graphics g) {

INT I;

Double x = 0, y = 0, r, u = 0;

For (i = 0; i <= 200000; i ) {

r = (int) (Math.random () * 100);

IF (r <1) {

X = 0;

Y = .16 * y;

}

IF (r> = 1 &&r <86) {

u = .85 * x .04 * y;

Y = -0.04 * x 0.85 * y 1.6;

X = u;

}

IF (r> = 86 &&r <97) {

u = .2 * x - .26 * y;

Y = .23 * x .22 * y 1.6;

X = u;

}

IF (r> = 97) {

U = -.15 * x .28 * y;

Y = 0.26 * x .24 * y .44;

X = u;

}

G.SetColor (New Color (0,230,80));

g.drawline (40 * x 120), (int) (420-40 * y), (int) (40 * x 120), (int) (420-40 * y));

}

}

}

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