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Question about how to create a loop with conditions (I'm new to programming)

[4 Replies]
- 20-Sep-2013 09:09 PM
- Forum: Programming Questions
I'm reading the book Generative Art, by Matt Pearson

I have a circle that is drawn, then filled in, leaving traces behind.

What I would like to do is have it so that once the circle is filled in, it starts all over again, but this time have it so it stops at a shorter diameter each time it starts over, with a different color.

I know it has something to do with how I create the conditions, but I'm still trying to wrap my head around it.

here is my code:
2. int diam=4;
3. float centX, centY;
6. void setup(){
7. size(800,800);
8. background(240,50,50);
10. frameRate(25);
11. smooth();
12. stroke(250);
13. strokeWeight(6);
14. noFill();
15. ellipse(width/2,height/2,width,height);
18. centX=width/2;
19. centY=height/2;
20. stroke(0);
21. strokeWeight(2);
22. fill(240,150,150,5);
23. }
25. void draw(){
26. if(diam<=800){
27. ellipse(centX,centY,diam,diam);
28. diam+=10;
29. }
30. }
Does that make any sense?
Thank you so much for your help in advance!!!

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