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Cleaned up weather class

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Anuken
2020-03-11 10:08:27 -04:00
parent 930c342fb6
commit 06e94b1800
11 changed files with 58 additions and 13 deletions
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9
core/assets/shaders/snow.frag
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@@ -35,13 +35,10 @@ void main(){
//TODO this is very slow
for(float i=0.0; i<LAYERS; i++){
vec2 q = uv* (1.+i*DEPTH);
q += vec2( q.y* WIDTH *( fract(i*7.238917) - .5 ),
SPEED* u_time / (1.+i*DEPTH*.03) );
vec3 n = vec3(floor(q), 31.189+i), m = floor(n)/1e5 + fract(n), mp = (31.9+m) / fract(p*m),
r = fract(mp);
q += vec2(q.y* WIDTH * (fract(i*7.238917) - .5), SPEED * u_time / (1.+i*DEPTH*.03));
vec3 n = vec3(floor(q), 31.189+i), m = floor(n)/1e5 + fract(n), mp = (31.9+m) / fract(p*m), r = fract(mp);
vec2 s = abs(fract(q)-.5 +.9*r.xy-.45) + .01*abs(2.0*fract(10.*q.yx) - 1.0);
float d = .6 * (s.x+s.y) + max(s.x,s.y) -.01,
edge = .005*SIZE + .05 * SIZE * min( .5* abs(i-5.-dof), 1.);
float d = .6 * (s.x+s.y) + max(s.x,s.y) -.01, edge = .005*SIZE + .05 * SIZE * min(.5* abs(i-5.-dof), 1.);
gl_FragColor += smoothstep(edge,-edge,d) * r.x / (1.+.02*i*DEPTH);
}