//static Color white = Color.white;
// その場所が空き地かどうか調べる
static public bool IsEmptyField(Vector3 pos, Liver.Entity.AreaMap areaMap, Vector3 offset)
{
// 画像上の位置
var tpos = pos - offset;
//Debug.Log($"{pos.x}, {pos.z} -> {tpos.x}, {tpos.z}");
int x = (int)tpos.x;
int y = (int)tpos.z;
if (!areaMap.Contain(x, y))
{
return(false);
}
var color = areaMap.GetPixel(x, y);
return(!(color.g > 0));
//return ExtendedColor.FastEqual(ref color, ref white);
}
public int EmptyAreaSize(Liver.Entity.AreaMap areaMap, int x, int y, int step, int max)
{
int current = step;
while (current < max)
{
// 四方向調べる
// NOTE 建物が四角いので４端を調査
if (!areaMap.Contain(x - current, y - current))
{
return(current - step);
}
if (!areaMap.Contain(x - current, y + current))
{
return(current - step);
}
if (!areaMap.Contain(x + current, y - current))
{
return(current - step);
}
if (!areaMap.Contain(x + current, y + current))
{
return(current - step);
}
var leftup = areaMap.GetPixel(x - current, y - current);
if ((leftup.r > 0))
{
return(current - step);
}
//if (!ExtendedColor.FastEqual(ref up, ref white)) return current - step;
var leftdown = areaMap.GetPixel(x - current, y + current);
if ((leftdown.r > 0))
{
return(current - step);
}
//if (!ExtendedColor.FastEqual(ref down, ref white)) return current - step;
var rightup = areaMap.GetPixel(x + current, y - current);
if ((rightup.r > 0))
{
return(current - step);
}
//if (!ExtendedColor.FastEqual(ref left, ref white)) return current - step;
var rightdown = areaMap.GetPixel(x + current, y + current);
if ((rightdown.r > 0))
{
return(current - step);
}
//if (!ExtendedColor.FastEqual(ref right, ref white)) return current - step;
current += step;
}
return(max);
}