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Code Issues Releases Wiki Activity

#23 fix underwater fog

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This commit is contained in:
XProger
2017-06-23 00:53:29 +03:00
parent d5c48f936a
commit 851a15b418
2 changed files with 9 additions and 6 deletions
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2
src/cache.h
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@@ -11,7 +11,7 @@
#define SHADOW_TEX_SIZE 1024
#define FOG_DIST (18 * 1024)
#define WATER_FOG_DIST (8 * 1024)
#define WATER_FOG_DIST (6 * 1024)
//#define WATER_USE_GRID
#define UNDERWATER_COLOR "#define UNDERWATER_COLOR vec3(0.6, 0.9, 0.9)\n"

13
src/shaders/shader.glsl
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@@ -119,14 +119,17 @@ varying vec4 vTexCoord; // xy - atlas coords, zw - caustics coords
float fog;
#ifdef UNDERWATER
float d = abs((vViewVec.w - max(uViewPos.y, uParam.y)) / normalize(vViewVec.xyz).y);
d *= step(0.0, vViewVec.w - uParam.y);
float d;
if (uViewPos.y < uParam.y)
d = abs((coord.y - uParam.y) / normalize(vViewVec.xyz).y);
else
d = length(uViewPos - coord.xyz);
fog = d * WATER_FOG_DIST;
#else
fog = length(vViewVec.xyz);
#endif
vNormal.w = 1.0 - clamp(1.0 / exp(fog), 0.0, 1.0);
vNormal.w = clamp(1.0 / exp(fog), 0.0, 1.0);
#endif
return coord;
@@ -457,9 +460,9 @@ varying vec4 vTexCoord; // xy - atlas coords, zw - caustics coords
#if defined(PASS_COMPOSE) && !defined(TYPE_FLASH)
#ifdef UNDERWATER
color.xyz = mix(color.xyz, UNDERWATER_COLOR * 0.2, vNormal.w);
color.xyz = mix(UNDERWATER_COLOR * 0.2, color.xyz, vNormal.w);
#else
color.xyz = mix(color.xyz, vec3(0.0), vNormal.w);
color.xyz = mix(vec3(0.0), color.xyz, vNormal.w);
#endif
#endif