Last change
on this file since 1456 was
1456,
checked in by sam, 11 years ago

neercs: import Rez's code in our framework. Not ready yet.

File size:
858 bytes

Line  

1   GLSL.Vert  

2  

3  #version 120 

4  

5  void main() 

6  { 

7  gl_Position=gl_Vertex; 

8  gl_TexCoord[0]=gl_MultiTexCoord0; 

9  } 

10  

11   GLSL.Frag  

12  

13  #version 120 

14  

15  uniform sampler2D texture; 

16  uniform int screen_w; 

17  uniform int screen_h; 

18  uniform float time; 

19  uniform float value1; 

20  uniform float value2; 

21  uniform float color; 

22  

23  float PI=3.14159265358979323846; 

24  

25  vec3 deform(in vec2 p) 

26  { 

27  vec2 uv; 

28  float zoom=0.5; 

29  uv.x=p.x*zoom0.5; 

30  uv.y=p.y*zoom0.5; 

31  return texture2D(texture,uv).xyz; 

32  } 

33  

34  void main(void) 

35  { 

36  int n=32; 

37  

38  vec2 p=1.0+4.0*gl_TexCoord[0].xy; 

39  vec2 s=p; 

40  vec3 source=deform(s); 

41  

42  vec3 total=vec3(0,1.0,1.0); 

43  

44  vec2 d=p/float(n*2); 

45  float w=value1; 

46  for(int i=0;i<n;i++) 

47  { 

48  vec3 c=deform(s); 

49  vec3 data=c+vec3(c.x*colorp.x*color,c.z*color+p.y*color,c.y*color+p.x*color); 

50  total+=data*w; 

51  w*=value2; 

52  s+=d; 

53  } 

54  gl_FragColor=vec4(source*0.625+total*0.025,1.0); 

55  } 

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