[]
readme
course(s)
preface
I
1
2
II
3
4
III
5
6
7
IV
8
9
10
V
11
12
afterthought(s)
appendix
reference(s)
example(s)
resource(s)
_
graphic-shader-smudger.pbk / pbk
//////////////////////////////////////////////////
// smudger // // author : frank reitberger // blog : http://www.prinzipiell.com // copyright 2008 //
//////////////////////////////////////////////////
<languageVersion: 1.0;> kernel smudge < namespace: "smudger"; vendor: "Frank Reitberger"; version: 1; description: "generates a smudged pattern"; > { parameter float amount < minValue: float(0.0); maxValue: float(5.0); defaultValue: float(0.5); description: "amount"; >; input image4 src; output pixel4 dst; void evaluatePixel() { float2 pos = outCoord();
///////////////////////
// patterize transition
///////////////////////
float nx = 5.0 * (cos(pos.y / 5.0)); float ny = 5.0 * (cos(pos.x / 6.0)); float2 pnt = float2( nx*ny , nx* ny ); dst = sampleNearest( src, outCoord() + pnt * amount); } }
[]
readme
course(s)
preface
I
1
2
II
3
4
III
5
6
7
IV
8
9
10
V
11
12
afterthought(s)
appendix
reference(s)
example(s)
resource(s)
_
(C) Æliens 20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.