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33 lines
668 B
Plaintext
33 lines
668 B
Plaintext
/**
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* Recursion.
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*
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* A demonstration of recursion, which means functions call themselves.
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* Notice how the drawCircle() function calls itself at the end of its block.
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* It continues to do this until the variable "level" is equal to 1.
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*/
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void setup()
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{
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size(200, 200);
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noStroke();
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smooth();
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noLoop();
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}
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void draw()
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{
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drawCircle(126, 170, 6);
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}
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void drawCircle(int x, int radius, int level)
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{
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float tt = 126 * level/4.0;
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fill(tt);
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ellipse(x, 100, radius*2, radius*2);
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if(level > 1) {
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level = level - 1;
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drawCircle(x - radius/2, radius/2, level);
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drawCircle(x + radius/2, radius/2, level);
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}
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}
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