public MediumMeshStripe Merge(MediumMeshStripe stripe)
{
_bottomLeft = new Int2(_bottomLeft.X, stripe._bottomLeft.Y);
_bottomRight = new Int2(_bottomRight.X, stripe._bottomRight.Y);
NeedToCoverBottom = stripe.NeedToCoverBottom;
return(this);
}
private void PrepareData(Sprite sprite)
{
for (int y = _yMax - 1; y >= _yMin; y--)
{
for (int x = _xMin; x < _xMax; x++)
{
if (sprite.texture.GetPixel(x, y).a > 0.0f)
{
var stripe = new MediumMeshStripe(_size, new Int2(x, y));
if (!stripe.NeedToCoverTop && (y + 1 >= _yMax || sprite.texture.GetPixel(x, y + 1).a <= 0.0f))
{
stripe.NeedToCoverTop = true;
}
if (!stripe.NeedToCoverBottom && (y - 1 <= _yMin || sprite.texture.GetPixel(x, y - 1).a <= 0.0f))
{
stripe.NeedToCoverBottom = true;
}
x++;
while (sprite.texture.GetPixel(x, y).a > 0.0f && x < _xMax)
{
stripe.SetEnd(new Int2(x, y));
if (!stripe.NeedToCoverTop && sprite.texture.GetPixel(x, y + 1).a <= 0.0f)
{
stripe.NeedToCoverTop = true;
}
if (!stripe.NeedToCoverBottom && sprite.texture.GetPixel(x, y - 1).a <= 0.0f)
{
stripe.NeedToCoverBottom = true;
}
x++;
}
var merged = false;
for (int i = 0; i < _stripes.Count; i++)
{
if (_stripes[i].MergeableToTheBottom(stripe))
{
_stripes[i] = _stripes[i].Merge(stripe);
merged = true;
break;
}
}
if (!merged)
{
_stripes.Add(stripe);
}
}
}
}
}
public bool MergeableToTheBottom(MediumMeshStripe stripe)
{
return(_bottomLeft.X == stripe._bottomLeft.X && _bottomRight.X == stripe._bottomRight.X && _bottomLeft.Y - stripe._topLeft.Y == 1);
}
