private static void scanOctant1(Level level, Location heroLocation, int depth, double startSlope, double endSlope)
{
if (depth >= Hero.MAX_SIGHT_DISTANCE)
{
return;
}
int y = heroLocation.y - depth;
int x = heroLocation.x - (int)(startSlope * depth);
while (getSlope(x, y, heroLocation.x, heroLocation.y, false) >= endSlope)
{
if (level.blocksSight(new Location(x, y)))
{
if (!level.blocksSight(new Location(x - 1, y)))
{
double newEndSlope = getSlope(x - 0.5, y + 0.5, heroLocation.x, heroLocation.y, false);
scanOctant1(level, heroLocation, depth + 1, startSlope, newEndSlope);
}
}
else
{
if (level.blocksSight(new Location(x - 1, y)))
{
startSlope = getSlope(x - 0.5, y - 0.5, heroLocation.x, heroLocation.y, false);
}
}
level.setLit(new Location(x, y), 0);
x++;
}
x--;
if (depth < Hero.MAX_SIGHT_DISTANCE && !level.blocksSight(new Location(x, y)))
{
scanOctant1(level, heroLocation, depth + 1, startSlope, endSlope);
}
}
