public Triangle(Point p1, Point p2, Point p3)
{
Vector3 firstVector = p2.GetPosition() - p1.GetPosition();
Vector3 secondVector = p3.GetPosition() - p1.GetPosition();
float det = firstVector.x * secondVector.y - firstVector.y * secondVector.x;
Point temp;
if (det < 0)
{
temp = p2;
p2 = p3;
p3 = temp;
}
// Barycenter
Vector3 intercenter = Vector3.zero;
intercenter.x = (p1.GetPosition().x + p2.GetPosition().x + p3.GetPosition().x) / 3;
intercenter.y = (p1.GetPosition().y + p2.GetPosition().y + p3.GetPosition().y) / 3;
intercenter.z = (p1.GetPosition().z + p2.GetPosition().z + p3.GetPosition().z) / 3;
interCenter = new Point(intercenter);
this.p1 = p1;
this.p2 = p2;
this.p3 = p3;
isActive = true;
center = new Point(CalculCircleCenter(p1.GetPosition(), p2.GetPosition(), p3.GetPosition()));
normale = GetNormal();
}
public Triangle(Point p1, Point p2, Point p3, Point centerPoint)
{
this.p1 = p1;
this.p2 = p2;
this.p3 = p3;
// Barycenter
Vector3 intercenter = Vector3.zero;
intercenter.x = (p1.GetPosition().x + p2.GetPosition().x + p3.GetPosition().x) / 3;
intercenter.y = (p1.GetPosition().y + p2.GetPosition().y + p3.GetPosition().y) / 3;
intercenter.z = (p1.GetPosition().z + p2.GetPosition().z + p3.GetPosition().z) / 3;
interCenter = new Point(intercenter);
isActive = true;
center = new Point(CalculCircleCenter(p1.GetPosition(), p2.GetPosition(), p3.GetPosition()));
normale = GetNormal();
if (Vector3.Dot(normale, (this.p1.GetPosition() - centerPoint.GetPosition())) < 0)
{
normaleInversed = true;
normale *= -1;
}
}
public Vector3 GetNormal()
{
Vector3 normalised = (p2.GetPosition() - p1.GetPosition()).normalized;
Vector3 normal = Vector3.zero;
normal.x = normalised.y;
normal.y = -normalised.x;
return(normal);
}
private Vector3 GetNormal()
{
return(Vector3.Cross(p2.GetPosition() - p1.GetPosition(), p3.GetPosition() - p1.GetPosition()).normalized);
}
