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Beziércurve-Drawer

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Author: FRA32

Group: Technical

Filesize: 6.8 kB

Date added: 2015-12-12

Rating: 5

Downloads: 270

Views: 225

Comments: 4

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0

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This scene shows another of my mathematical play-arounds, this time featuring a code that draws a full beziér-curve or cubic interpolation between 4 points.

The Beziércurve is very importand in vector graphics and modelling, since it's one of the most dynamic curve's usable. It always goes from a point A to a point D, while beeing "attracted" by B and C.
Last edited at 2016/07/03 21:52:21 by FRA32
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s_noonan
2015/12/12 21:44:02
Nice demo.

Algodoo already has a lerp function.

p1 = _lerp(scene.my.A, scene.my.B);

can be replaced by

p1 = lerp(scene.my.A, scene.my.B,_t);

Same thing for the other (5) _lerp statements.
Last edited at 2015/12/12 21:46:21 by s_noonan
FRA32
2015/12/12 22:00:23
oh lol, didn't know that :wtf:
Well, at least I can say I invented another lerp function myself xD
s_noonan
2015/12/13 15:22:39
Yes, your function works quite well.

For future reference:

math.vec.dist(pt1,pt2) determines the distance between two points.
math.vec.len(v) determines vector length.
FRA32
2015/12/13 18:38:42
Oh, thanks. These will proove to be usefull, no more square root and stuff xD