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float centerx; | |
float centery; | |
void setup() { | |
size(900, 900); | |
centerx = width/2; | |
centery = height/2; | |
} | |
void draw() { | |
background(255); | |
stroke(0, 50); | |
strokeWeight(1); | |
spiral(); | |
System.out.println("DONE"); | |
noLoop(); | |
} | |
void mouseClicked() { | |
saveFrame("spiral.png"); | |
} | |
float radius(float theta) { | |
return 12*(float)Math.sqrt(theta); | |
} | |
void spiral() { | |
float px = centerx; | |
float py = centery; | |
for (float theta = 0; theta < 1000 * PI; theta = theta + 0.001) { | |
float cx = centerx + radius(theta)*((float)Math.cos(theta)); | |
float cy = centery + radius(theta)*((float)Math.sin(theta)); | |
line(px, py, cx, cy); | |
px = cx; | |
py = cy; | |
} | |
} |
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