private void Start()
{
IPackImage[] imgs = new IPackImage[_textures.Length];
for (int i = 0; i < _textures.Length; i++)
{
imgs[i] = new PackImage(_textures[i]);
}
// Create dummy images.
//
// int min = 10;
// int max = 50;
// int count = 955;
// IPackImage[] imgs = new IPackImage[count];
// for (int i = 0; i < imgs.Length; i++)
// {
// imgs[i] = new DummyPackImage(Random.Range(min, max), Random.Range(min, max), Random.ColorHSV());
// };
_packer = new Packer(_material);
_packerService = new PackService(_packer);
_infos = _packerService.PackImages(imgs);
// Show a packed texture as preview.
_tex = _packerService.GetPackedImage();
_targetMaterial = _target.GetComponent <Renderer>().material;
_targetMaterial.mainTexture = _tex;
ShowTex(0);
}
private bool CheckFitPerfectly(IPackImage image)
{
bool isSameBoth = (image.Width == Rectangle.width) &&
(image.Height == Rectangle.height);
return(isSameBoth);
}
private bool CheckFitInRect(IPackImage image)
{
bool isInRect = (image.Width <= Rectangle.width) &&
(image.Height <= Rectangle.height);
return(isInRect);
}
private void Pack(IPackImage image, Rect rect)
{
Vector4 scaleAndOffset = GetScaleAndOffset(rect);
_material.SetVector("_ScaleAndOffset", scaleAndOffset);
_material.SetTexture("_PackTex", image.Texture);
Graphics.Blit(_current, _next, _material);
SwapBuffer();
}
public Node Insert(IPackImage image)
{
if (!_isLeafNode)
{
Node newNode = Child[0].Insert(image);
if (newNode != null)
{
return(newNode);
}
return(Child[1].Insert(image));
}
else
{
if (_imageID != -1)
{
return(null);
}
if (!CheckFitInRect(image))
{
return(null);
}
if (CheckFitPerfectly(image))
{
return(this);
}
_isLeafNode = false;
Child[0] = new Node();
Child[1] = new Node();
float dw = Rectangle.width - image.Width;
float dh = Rectangle.height - image.Height;
if (dw > dh)
{
Child[0].Rectangle = new Rect(Rectangle.x, Rectangle.y, image.Width, Rectangle.height);
Child[1].Rectangle = new Rect(Rectangle.x + image.Width + 1, Rectangle.y, Rectangle.width - image.Width - 1, Rectangle.height);
}
else
{
Child[0].Rectangle = new Rect(Rectangle.x, Rectangle.y, Rectangle.width, image.Height);
Child[1].Rectangle = new Rect(Rectangle.x, Rectangle.y + image.Height + 1, Rectangle.width, Rectangle.height - image.Height - 1);
}
return(Child[0].Insert(image));
}
}
private bool TryPack(IPackImage image, out PackedInfo info)
{
Node node = _rootNode.Insert(image);
if (node == null)
{
info = null;
return(false);
}
int imageID = _count++;
node.SetImageID(imageID);
info = new PackedInfo(imageID, node.Rectangle);
return(true);
}