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Larger tasks - colorful pyramid (cos/sin)

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Roberta
Vileikyte
I tried to experiment with mathematical formula that I found about rhodonea curve. I do not know why it is not working on html, but you can download it and check on your processing. It is hypnotic animation with random colors, I chose to use high HSB(hue/saturation/brightness). Also I chose black background to make an image more bright. I am using " line " to make pyramid form, but if you would use a " point " in the same code, the image would look like more flower. Because of mathematcial formula x=cos(k*t)*cos(t); y= cos(k*t)*sin(t); we can create such an amazing shape.
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