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Topic: bubbleTexture (Read 2111 times) |
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toxi
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Re: bubbleTexture
« Reply #1 on: Nov 17th, 2003, 3:34pm » |
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hey mikkel, very cool! but why such complicated code using an "avoider" class? you can achieve the same effect without actually displacing vertices and only altering their Z coordinate. the equation for a unit sphere is x*x+y*y+z*z=r, starting from there you just evaluate each grid point's distance from the lens center and adjust the Z coord. have a look here:
http://www.toxi.co.uk/p5/lens/
you can change the behaviour of the lens by changing the "curvature" variable in the code. also try negative values (less than -1) to create a pinch effect...
hth!
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http://toxi.co.uk/
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Jerronimo
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Re: bubbleTexture
« Reply #2 on: Nov 17th, 2003, 4:48pm » |
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A displacement lens would work as well.
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flight404
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Re: bubbleTexture
« Reply #3 on: Nov 17th, 2003, 7:35pm » |
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Toxi is our leader. Yay Toxi!!!
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mKoser
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Re: bubbleTexture
« Reply #4 on: Nov 18th, 2003, 1:00pm » |
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toxi... you rock, i think we will have to make t-shirts with your name, to honour you 
but,
Quote:| but why such complicated code using an "avoider" class? |
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When i started fiddling with P5 on sunday, i never intended to make the magifying glass ... i am still priviliged enough to not always know what I am programming (as opposed to setting out a task, and then working to achieve it!) ... the result ended up looking like one of the classical tasks done in java-classes (the magnifying glass), however, the process of fiddling and then suddenly realizing that it looks like a bad breed of the magnifying-glass was enough to make me happy on a sunday!
The experience of "ahhh... THAT's how you do it" by looking at the simplicity of your code, could not have been achieved if I hadn't spent time on it myself first!
... so thanks for spending time on showing the programmers approach towards the same result 
- - - -
but sure, i guess i have a tendency of over-complicating things.
+ mikkel
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mikkel crone koser | www.beyondthree.com | http://processing.beyondthree.com
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