public void BuildPoints()
{
if (Shape != ColliderType.Polygon)
{
return;
}
int VertLength = Vertices.Length;
if (RotationChanged)
{
for (int i = 0; i < VertLength; i++)
{
RotatedPoints[i] = Vertices[i];
RotatedPoints[i].Rotate(_rotation.x, _rotation.y);
}
for (int i = VertLength - 1; i >= 0; i--)
{
int nextIndex = i + 1 < VertLength ? i + 1 : 0;
Vector2d point = RotatedPoints[nextIndex];
point.Subtract(ref RotatedPoints[i]);
point.Normalize();
Edges[i] = point;
point.RotateRight();
EdgeNorms[i] = point;
}
if (!OutMoreThanSet)
{
OutMoreThanSet = true;
long dot = Edges[0].Cross(Edges[1]);
this.OutMoreThan = dot < 0;
}
}
for (int i = 0; i < VertLength; i++)
{
RealPoints[i].x = RotatedPoints[i].x + _position.x;
RealPoints[i].y = RotatedPoints[i].y + _position.y;
}
}