public Caster(char[][] map)
{
Map = map;
Rays = new CastedRay[Constants.SCREEN_WIDTH + 1];
for (int i = 0; i <= Constants.SCREEN_WIDTH; i++)
{
Rays[i] = new CastedRay();
}
}
protected float CorrectFishEyeEffect(float angle, CastedRay ray)
{
if (angle == 33f)
{
return(CorrectDistance(ray));
}
var halfFOV = (int)Constants.FOV / 2;
angle = halfFOV - angle;
var d = CorrectDistance(ray);
return((float)(Math.Cos(MathHelper.ToRadians(angle)) * d));
}
float CorrectDistance(CastedRay ray)
{
var d = (float)ray.TranslateVector.Length();
return(d);
}