yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Those moved, too

Browse source 
svn path=/trunk/KDE/kdebase/workspace/; revision=732056
This commit is contained in:
Rivo Laks 2007-11-02 17:29:54 +00:00
parent d78506bd0a
commit 33e34940f5
2 changed files with 0 additions and 57 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
effects/data/liquid.frag
View file

@ -1,50 +0,0 @@
uniform sampler2D sceneTex;
uniform float textureWidth;
uniform float textureHeight;
uniform float time;
varying vec2 pos;
#define DEG2RAD (6.2832/360.0)
// Converts pixel coordinates to texture coordinates
vec2 pix2tex(vec2 pix)
{
return vec2(pix.x / textureWidth, 1.0 - pix.y / textureHeight);
}
float wave(vec2 pos, vec2 wave_dir, float wave_length, float wave_speed)
{
return sin(((pos.x * wave_dir.x) + (pos.y * wave_dir.y)) * 6.2832 / wave_length +
time * wave_speed * 6.2832 / wave_length);
}
vec2 displacement(float wave_angle, float wave_length, float wave_speed, float wave_height)
{
vec2 wave_dir = vec2(cos(wave_angle * DEG2RAD), sin(wave_angle * DEG2RAD));
return wave_dir * (wave(pos, wave_dir, wave_length, wave_speed) * wave_height);
}
// Only for debugging
float wave_color(float wave_angle, float wave_length, float wave_speed, float wave_height)
{
vec2 wave_dir = vec2(cos(wave_angle * DEG2RAD), sin(wave_angle * DEG2RAD));
return wave(pos, wave_dir, wave_length, wave_speed) * 0.5 + 0.5;
}
void main()
{
vec2 texpos = pos;
texpos += displacement( 20.0, 250.0, 120.0, 4.0);
texpos += displacement(-40.0, 350.0, 100.0, 4.0);
texpos += displacement(240.0, 1000.0, 100.0, 12.0);
texpos += displacement(160.0, 50.0, 30.0, 2.0);
vec3 tex = texture2D(sceneTex, pix2tex(texpos)).rgb;
//tex.r = wave_color( 20, 250, 150, 4); // debug
gl_FragColor = vec4(tex, 1.0);
}

7
effects/data/liquid.vert
View file

@ -1,7 +0,0 @@
varying vec2 pos;
void main()
{
pos = gl_Vertex.xy;
gl_Position = ftransform();
}