void GenHeight()
{
try
{
Color32[] _bsdata = edit.GetPixels32(0);
KDTree2D tree = new KDTree2D();
List <KDTree2D.Train> treedata = new List <KDTree2D.Train>();
FindBorder(edit.width, edit.height, _bsdata, treedata); //四次采样寻找边界,并把在边界上的点填入点集
var node = tree.CreatKDTree(treedata); //用KDTree来查找最近点
int w = edit.width;
int h = edit.height;
DateTime t1 = DateTime.Now;
float maxlen = 0;
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
if (_bsdata[y * w + x].a > 0)//形状内
{
//var near = tree.KDTreeFindNearest(node, new KDTree2D.Train() { positionX = x, positionY = y });
var near = tree.BBFFindNearest(node, new KDTree2D.Train()
{
positionX = x, positionY = y
});
float d = (float)Mathf.Sqrt((near.point.positionX - x) * (near.point.positionX - x)
+ (near.point.positionY - y) * (near.point.positionY - y));
float wl = d / 16.0f;
if (wl > 1.0f)
{
wl = 1.0f;
}
wl *= Mathf.PI * 0.5f;
wl = Mathf.Sin(wl);
int l = (int)(wl * 255);
if (l > 255)
{
l = 255;
}
_bsdata[y * w + x].a = (byte)(l);
}
else
{
_bsdata[y * w + x].a = 0;//形状外
}
}
}
editHeight = new Texture2D(w, h, TextureFormat.Alpha8, false);
editHeight.SetPixels32(_bsdata, 0);
editHeight.Apply();
_bsdata = GenNormal(w, h, _bsdata);
editNormal = new Texture2D(w, h, TextureFormat.ARGB32, false);
editNormal.filterMode = FilterMode.Point;
editNormal.SetPixels32(_bsdata, 0);
editNormal.Apply();
DateTime t2 = DateTime.Now;
Debug.Log("GetTime=" + (t2 - t1).TotalSeconds);
}
catch
{
}
}
void GenHeight()
{
try
{
Color32[] _bsdata = edit.GetPixels32(0);
KDTree2D tree = new KDTree2D();
List<KDTree2D.Train> treedata = new List<KDTree2D.Train>();
FindBorder(edit.width, edit.height, _bsdata, treedata);//四次采样寻找边界,并把在边界上的点填入点集
var node = tree.CreatKDTree(treedata);//用KDTree来查找最近点
int w = edit.width;
int h = edit.height;
DateTime t1 = DateTime.Now;
float maxlen = 0;
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
if (_bsdata[y * w + x].a > 0)//形状内
{
//var near = tree.KDTreeFindNearest(node, new KDTree2D.Train() { positionX = x, positionY = y });
var near = tree.BBFFindNearest(node, new KDTree2D.Train() { positionX = x, positionY = y });
float d = (float)Mathf.Sqrt((near.point.positionX - x) * (near.point.positionX - x)
+ (near.point.positionY - y) * (near.point.positionY - y));
float wl = d / 16.0f;
if (wl > 1.0f) wl = 1.0f;
wl *= Mathf.PI * 0.5f;
wl=Mathf.Sin(wl);
int l = (int)(wl * 255);
if (l > 255) l = 255;
_bsdata[y * w + x].a = (byte)(l);
}
else
{
_bsdata[y * w + x].a = 0;//形状外
}
}
}
editHeight = new Texture2D(w, h, TextureFormat.Alpha8, false);
editHeight.SetPixels32(_bsdata, 0);
editHeight.Apply();
_bsdata = GenNormal(w, h, _bsdata);
editNormal = new Texture2D(w, h, TextureFormat.ARGB32, false);
editNormal.filterMode = FilterMode.Point;
editNormal.SetPixels32(_bsdata, 0);
editNormal.Apply();
DateTime t2 = DateTime.Now;
Debug.Log("GetTime=" + (t2 - t1).TotalSeconds);
}
catch
{
}
}
