#define ITERATIONS 22
#define SPEED 5.5
#define DISPLACEMENT 0.15
#define TIGHTNESS 15.0
#define YOFFSET 0.1
#define YSCALE 0.25
#define FLAMETONE vec3(50.0, 5.0, 1.0)
float noise( in vec3 x ) // iq noise function
{
vec3 p = floor(x);
vec3 f = fract(x);
f = f*f*(3.0-2.0*f);
vec2 uv = (p.xy+vec2(37.0,17.0)*p.z) + f.xy;
vec2 rg = textureLod( iChannel0, (uv+ 0.5)/256.0, 0.0 ).yx;
return mix( rg.x, rg.y, f.z ) * 2.0 - 1.0;
}
void main()
{
vec2 uv = fragCoord.xy / iResolution.xy;
float nx = 0.9;
float ny = 0.8;
for (int i=1; i<ITERATIONS+1; i++)
{
float ii = pow(float(i), 2.0);
float ifrac = float(i)/float(ITERATIONS);
float t = iTime*5.0;
float d = (1.0-ifrac) * DISPLACEMENT;
nx += noise( vec3(uv.x*ii-iTime*ifrac, uv.y*YSCALE*ii-t, 0.0)) * d * 2.0;
ny += noise( vec3(uv.x*ii+iTime*ifrac, uv.y*YSCALE*ii-t, iTime*ifrac/ii)) * d;
}
float flame = clamp(-uv.y+ny,0.0,1.0);
vec3 col = pow(flame, TIGHTNESS) * FLAMETONE;
// tonemapping
col = col / (1.0+col);
col = pow(col, vec3(1.0/2.2));
col = clamp(col, 0.0, 1.0);
fragColor = vec4(col, 1.0);
}_10
Jumalauta
_Music Art Code
Anteeksi
_Engine
Haluttu
Maksullinen
Nainen
Finlandsfärjan The Game
(Publisher Demo)
Not for public release.
Business inquiries:
[email protected]
