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Topic: curveVertex() + soft circle (Read 360 times) |
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Ethan
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curveVertex() + soft circle
« on: Jul 30th, 2004, 2:09am » |
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My first question is about curveVertex().
This code is just started, so it's probably messy and inefficient.
http://www.echocolor.com/domains/echocolor/misc/blob/applet/
I'm using curveVertex statements inside a for loop. Is that ok? I know on the documentation it says you have to follow beginShape() with a curveVertex().
It almost works. I put the point()'s there so I could see all the points the curves are supposed to go through, but it always misses two. No matter what I change the points_per_blob var to.
Can you see where I've gone wrong?
The second part of my question is that I want to make this blob soft. So that if it bumps up against another blob they should both deform to fit each other. I think bit-101 did something similar in flash, but I can't find it now.
Do you have any suggestions for how to approach something like that? Where should I start. If I can fix this code, then I just need to figure out how to move my points...
Thanks a lot.
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skloopy
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Re: curveVertex() + soft circle
« Reply #1 on: Jul 30th, 2004, 7:06am » |
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Oh i ran into the same problem a while ago. It's actually not a problem, just the way that catmull-rom splines work. The end three vertices have to overlap the first three to get a smooth closed curve. Here's an applet i found that makes it pretty simple to understand
http://www.cse.unsw.edu.au/~lambert/splines/CatmullRom.html
ryan
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| « Last Edit: Jul 30th, 2004, 7:08am by skloopy » |
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