void ClearFreeAreas()
{
PackingAtlas packingAtlas = DynamicAtlasManager.Instance.GetPackingAtlas(_mGroup);
if (AtlasConfig.kUsingCopyTexture)
{
List <List <IntegerRectangle> > freeLists = packingAtlas.GetFreeAreas();
int freeListsCount = freeLists.Count;
List <Texture2D> tex2DList = packingAtlas.tex2DList;
for (int i = 0; i < freeListsCount; i++)
{
var freeList = freeLists[i];
int freeListCount = freeList.Count;
Texture2D dstTex = tex2DList[i];
for (int j = 0; j < freeListCount; j++)
{
IntegerRectangle item = freeList[j];
Color32[] colors = new Color32[item.width * item.height];
for (int k = 0; k < colors.Length; ++k)
{
colors[k] = Color.clear;
}
dstTex.SetPixels32((int)item.x, (int)item.y, item.width, item.height, colors);
dstTex.Apply();
}
}
}
else
{
packingAtlas.ClearTextureWithBlit();
}
}
void DrawFreeArea(int index, PackingAtlas packingAtlas)
{
Texture2D tex2D = null;
if (texList.Count < index + 1)
{
tex2D = new Texture2D((int)_mGroup, (int)_mGroup, TextureFormat.ARGB32, false, true);
texList.Add(tex2D);
if (mFillColor == null)
{
mFillColor = tex2D.GetPixels32();
for (int i = 0; i < mFillColor.Length; ++i)
{
mFillColor[i] = Color.clear;
}
}
}
else
{
tex2D = texList[index];
}
tex2D.SetPixels32(mFillColor);
if (isRefreshFreeAreas)
{
Color32[] tmpColor;
List <IntegerRectangle> freeList = packingAtlas.GetFreeAreas()[index];
int count = freeList.Count;
for (int i = 0; i < count; i++)
{
IntegerRectangle item = freeList[i];
int size = item.width * item.height;
//---------------------------------描边,可能太费
//tmpColor = new Color32[size];
//for (int k = 0; k < size; ++k)
//{
// tmpColor[k] = Color.green;//画边
//}
//tex2D.SetPixels32(item.x, item.y, item.width, item.height, tmpColor);
//-------------------------
int outLineSize = 2;
if (item.width < outLineSize * 2 || item.height < outLineSize * 2)
{
outLineSize = 0;
}
Color color = convertHexToRGBA((uint)(0xFF171703 + (((18 * ((i + 4) % 13)) << 16) + ((31 * ((i * 3) % 8)) << 8) + 63 * (((i + 1) * 3) % 5))));
color.a = 0.5f;
size -= outLineSize * 4;
tmpColor = new Color32[size];
for (int k = 0; k < size; ++k)
{
tmpColor[k] = color;
}
tex2D.SetPixels32(item.x + outLineSize, item.y + outLineSize, item.width - outLineSize * 2, item.height - outLineSize * 2, tmpColor);
tex2D.Apply();
}
}
float poxX = (index + 1) * 10 + index * packingAtlas.atlasWidth * scale;
GUI.DrawTexture(new Rect(poxX, formPosY, packingAtlas.atlasWidth * scale, packingAtlas.atlasHeight * scale), tex2D);
}