Function UpdateFogNormal

src/EnvRenderer.c:99–123

}

static void UpdateFogNormal(float fogDensity, PackedCol fogColor) {
	float density;

	if (fogDensity != 0.0f) {
		Gfx_SetFogMode(FOG_EXP);
		Gfx_SetFogDensity(fogDensity);
	} else if (Env.ExpFog) {
		Gfx_SetFogMode(FOG_EXP);
		/* f = 1-z/end   f = e^(-dz)
		   solve for f = 0.01 gives:
		   e^(-dz)=0.01 --> -dz=ln(0.01)
		   0.99=z/end   --> z=end*0.99
		     therefore
		  d = -ln(0.01)/(end*0.99) */
		#define LOG_001 -4.60517018598809f

		density = -LOG_001 / (Game_ViewDistance * 0.99f);
		Gfx_SetFogDensity(density);
	} else {
		Gfx_SetFogMode(FOG_LINEAR);
		Gfx_SetFogEnd((float)Game_ViewDistance);
	}
	Gfx_SetFogCol(fogColor);
	Game_SetViewDistance(Game_UserViewDistance);
}

void EnvRenderer_UpdateFog(void) {
	float fogDensity;