public Texture2D makeDelaunayLineBmp()
{
Vector2 p0=leftSite.Coord;
Vector2 p1=rightSite.Coord;
GRAPHICS.clear();
GRAPHICS.lineStyle(0,0,1.0,false,LineScaleMove.NONE,CapsStyle.NONE);
GRAPHICS.moveTo(p0.x, p0.y);
GRAPHICS.lineTo(p1.x, p1.y);
int w=(int)Mathf.Ceil(Mathf.Max(p0.x,p1.x));
if(w<1){
w=1;
}
int h=(int)Mathf.Ceil(Mathf.Max(p0.y,p1.y));
if(h<1){
h=1;
}
Texture2D bmp =new Texture2D(w,h);
bmp.draw(LINESPRITE);
return bmp;
}