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Luca
Registered: Apr 2002
Posts: 178 |
Twister's primer
How to obtain simple/cool/elaborate primer graphics (bitmap) for a general vertical twister effect (let's say simply 3 colours+background colour)? Should I draw'em on PC first, with a 3DMax or similars, then convert'em? Which height in pixels would be enough to smoothly describe and include the whole 360° rotation?
For a very basic one, I could simply draw a slice of column in two colours by drawing them with a sin(x) function, what with more complex stuff? |
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Pantaloon
Registered: Aug 2003
Posts: 124 |
was just a little snippet. you need to rotate the coords first, and store them in a list. |
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MagerValp
Registered: Dec 2001
Posts: 1078 |
POV-Ray is perfect for these kinds of tasks. It's trivial to get it to render a series of 21x1 pixel (or whatever you need) cubes, and as a programmer you gotta love its scene description language. Slapping out a POV-Ray'd twister is faster than coding your own raytracer too, even if you've never used POV before. |
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Krill
Registered: Apr 2002
Posts: 2980 |
Depending on the type of twister, you can also simply generate the graphics on the c64 itself, like i did here in 4k: Bar4Kode - doesn't look as cool as raytraced, but still nice enough. :) |
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Mace
Registered: May 2002
Posts: 1799 |
Hey, this was the kind of stuff I was looking for :-)
Thanks Krill. |
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Krill
Registered: Apr 2002
Posts: 2980 |
Mace: I can send you the source if need be.. But it's uncommented and generally not up to my current standards :D |
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Luca
Registered: Apr 2002
Posts: 178 |
Plenty of available choices, I see.
I tried POV-ray but as a complete prophan, I ran away in pain. Probably a bit more patience would be needed. The Krill's solution looks tasty too.
Scout: I still dunno how to use the .raw image, because I didn't understand if that twister's primer is deliberately drawn in 3 colors, or there's something I missed around it (probably my ignorance in DTV...). |
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