public bool CreateAtlas(Texture[] textures, int width = 1024, int height = 1024, int padding = 1)
{
bool result = false;
rectangles.Clear();
dictionary.Clear();
packer.ResetAll(width, height, padding);
CreateMaterial();
CreateRenderTexture(width, height);
for (int i = 0; i < textures.Length; i++)
{
rectangles.Add(new Rect(0, 0, textures[i].width, textures[i].height));
}
for (int i = 0; i < rectangles.Count; i++)
{
packer.insertRectangle((int)rectangles[i].width, (int)rectangles[i].height, i);
}
packer.packRectangles();
int index = 0;
if (packer.rectangleCount > 0)
{
for (int j = 0; j < packer.rectangleCount; j++)
{
integerRect = packer.getRectangle(j, integerRect);
index = packer.getRectangleId(j);
if (!dictionary.ContainsKey(textures[index].name))
{
Rect rect = new Rect();
rect.x = (float)integerRect.x / width;
rect.y = (float)integerRect.y / height;
rect.width = (float)integerRect.width / width;
rect.height = (float)integerRect.height / height;
dictionary.Add(textures[index].name, rect);
}
DrawTexture(textures[index], renderTexture,
new Rect(integerRect.x, integerRect.y, integerRect.width, integerRect.height));
}
result = true;
}
return(result);
}