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Atmosphere tweaks

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This commit is contained in:
Anuken
2020-03-29 18:34:00 -04:00
parent f22e1bdeb3
commit 7ba7e14282
8 changed files with 44 additions and 30 deletions
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25
core/assets/shaders/sun.frag
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@@ -6,7 +6,8 @@ precision lowp int;
#define INTEGER int
#endif
#define gradients false
//#define GRADIENTS
#define step 0.5
const int MAX_COLORS = 10;
@@ -16,14 +17,18 @@ uniform vec4 u_colors[MAX_COLORS];
varying float v_height;
void main() {
if(gradients){
int from = int(v_height * float(u_colornum));
int to = int(clamp(float(int(v_height * float(u_colornum) + 1.0)), 0.0, float(u_colornum)-1.0));
float alpha = fract(v_height * float(u_colornum));
#ifdef GRADIENTS
gl_FragColor = vec4(mix(u_colors[from], u_colors[to], alpha));
}else{
int from = int(v_height * float(u_colornum));
gl_FragColor = u_colors[from];
}
int from = int(v_height * float(u_colornum));
int to = int(clamp(float(int(v_height * float(u_colornum) + 1.0)), 0.0, float(u_colornum)-1.0));
float alpha = fract(v_height * float(u_colornum));
alpha = floor(alpha / step) * step;
gl_FragColor = vec4(mix(u_colors[from], u_colors[to], alpha));
#else
gl_FragColor = u_colors[int(v_height * float(u_colornum))];
#endif
}