/**
* This is the only way to create a new Edge
* @param site0
* @param site1
* @return
*
*/
internal static Edge CreateBisectingEdge(Site site0, Site site1)
{
float dx, dy, absdx, absdy;
float a, b, c;
dx = site1.X - site0.X;
dy = site1.Y - site0.Y;
absdx = dx > 0 ? dx : -dx;
absdy = dy > 0 ? dy : -dy;
c = site0.X * dx + site0.Y * dy + (dx * dx + dy * dy) * 0.5f;
if (absdx > absdy)
{
a = 1.0f; b = dy / dx; c /= dx;
}
else
{
b = 1.0f; a = dx / dy; c /= dy;
}
Edge edge = Edge.Create();
edge.LeftSite = site0;
edge.RightSite = site1;
site0.AddEdge(edge);
site1.AddEdge(edge);
edge._leftVertex = null;
edge._rightVertex = null;
edge.a = a; edge.b = b; edge.c = c;
//trace("createBisectingEdge: a ", edge.a, "b", edge.b, "c", edge.c);
return(edge);
}
/**
* This is the only way to create a new Edge
* @param site0
* @param site1
* @return
*
*/
public static Edge CreateBisectingEdge(Site site0, Site site1)
{
double dx, dy, absdx, absdy;
double a, b, c;
dx = site1.x - site0.x;
dy = site1.y - site0.y;
absdx = dx > 0 ? dx : -dx;
absdy = dy > 0 ? dy : -dy;
c = site0.x * dx + site0.y * dy + (dx * dx + dy * dy) * 0.5f;
if (absdx > absdy)
{
a = 1.0f;
b = dy / dx;
c /= dx;
}
else
{
b = 1.0f;
a = dx / dy;
c /= dy;
}
Edge edge = Edge.Create();
edge.leftSite = site0;
edge.rightSite = site1;
site0.AddEdge(edge);
site1.AddEdge(edge);
edge._leftVertex = null;
edge._rightVertex = null;
edge.a = a;
edge.b = b;
edge.c = c;
//trace("createBisectingEdge: a ", edge.a, "b", edge.b, "c", edge.c);
return(edge);
}
/*
* This is the only way to create a new Edge
* @param site0
* @param site1
* @return
*/
public static Edge CreateBisectingEdge(Site s0, Site s1)
{
float dx, dy;
float absdx, absdy;
float a, b, c;
dx = s1.x - s0.x;
dy = s1.y - s0.y;
absdx = dx > 0 ? dx : -dx;
absdy = dy > 0 ? dy : -dy;
c = s0.x * dx + s0.y * dy + (dx * dx + dy * dy) * 0.5f;
if (absdx > absdy)
{
a = 1;
b = dy / dx;
c /= dx;
}
else
{
b = 1;
a = dx / dy;
c /= dy;
}
Edge edge = Edge.Create();
edge.LeftSite = s0;
edge.RightSite = s1;
s0.AddEdge(edge);
s1.AddEdge(edge);
edge.a = a;
edge.b = b;
edge.c = c;
return(edge);
}
