paysages3d/lib_paysages/fog.c

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#include "shared/types.h"
#include "shared/functions.h"
#include "shared/globals.h"
#include "shared/constants.h"
static double _near = 0.0, _far = 1.0;
static Color _col = {0.0, 0.0, 0.0, 0.0};
void fogSave(FILE* f)
{
}
void fogLoad(FILE* f)
{
}
void fogSetColor(Color col)
{
_col = col;
}
void fogSetDistance(double near, double far)
{
_near = near;
_far = far;
}
Color fogApplyToLocation(Vector3 location, Color base)
{
return base;
// TODO Don't use camera_location
/*Color mask = _col;
double distance = v3Norm(v3Sub(camera_location, location));
double value;
if (distance < _near)
{
return base;
}
else if (distance > _far)
{
distance = _far;
}
value = 0.8 * (distance - _near) / (_far - _near);
mask.a *= value;
colorMask(&base, &mask);
return base;*/
}