//Is a line intersecting with a plane?
private void LinePlane()
{
Vector3 planeNormal = planeTrans.forward;
Vector3 planePos = planeTrans.position;
Vector3 line_p1 = t1_p1_trans.position;
Vector3 line_p2 = t1_p2_trans.position;
//2d space
MyVector2 planeNormal_2d = planeNormal.ToMyVector2();
MyVector2 planePos_2d = planePos.ToMyVector2();
MyVector2 line_p1_2d = line_p1.ToMyVector2();
MyVector2 line_p2_2d = line_p2.ToMyVector2();
bool isIntersecting = _Intersections.LinePlane(planePos_2d, planeNormal_2d, line_p1_2d, line_p2_2d);
//Debug
//TestAlgorithmsHelpMethods.DrawPlane(planePos_2d, planeNormal_2d, Color.blue);
////Line
//Gizmos.color = Color.white;
//Gizmos.DrawWireSphere(line_p1, 0.1f);
//Gizmos.DrawWireSphere(line_p2, 0.1f);
//if (isIntersecting)
//{
// Gizmos.color = Color.red;
// MyVector2 intersectionPoint = Intersections.GetLinePlaneIntersectionPoint(planePos_2d, planeNormal_2d, line_p1_2d, line_p2_2d);
// Gizmos.DrawWireSphere(intersectionPoint.ToVector3(), 0.2f);
//}
//Gizmos.DrawLine(line_p1, line_p2);
//Display with mesh
//Plane
TestAlgorithmsHelpMethods.DisplayPlaneMesh(planePos_2d, planeNormal_2d, 0.5f, Color.blue);
//Line
TestAlgorithmsHelpMethods.DisplayLineMesh(line_p1_2d, line_p2_2d, 0.5f, Color.white);
if (isIntersecting)
{
MyVector2 intersectionPoint = _Intersections.GetLinePlaneIntersectionPoint(planePos_2d, planeNormal_2d, line_p1_2d, line_p2_2d);
TestAlgorithmsHelpMethods.DisplayCircleMesh(intersectionPoint, 1f, 20, Color.red);
}
}
//Are two lines intersecting?
private void LineLine()
{
MyVector2 l1_p1 = t1_p1_trans.position.ToMyVector2();
MyVector2 l1_p2 = t1_p2_trans.position.ToMyVector2();
MyVector2 l2_p1 = t2_p1_trans.position.ToMyVector2();
MyVector2 l2_p2 = t2_p2_trans.position.ToMyVector2();
Edge2 l1 = new Edge2(l1_p1, l1_p2);
Edge2 l2 = new Edge2(l2_p1, l2_p2);
bool isIntersecting = _Intersections.LineLine(l1, l2, includeEndPoints: true);
//Display
//Gizmos.DrawLine(l1_p1.ToVector3(), l1_p2.ToVector3());
//Gizmos.DrawLine(l2_p1.ToVector3(), l2_p2.ToVector3());
//if (isIntersecting)
//{
// MyVector2 intersectionPoint = Intersections.GetLineLineIntersectionPoint(l1_p1, l1_p2, l2_p1, l2_p2);
// //Gizmos.color = Color.red;
// //Gizmos.DrawSphere(intersectionPoint.ToVector3(), 1f);
//}
//With mesh
//Line
TestAlgorithmsHelpMethods.DisplayLineMesh(l1_p1, l1_p2, 0.5f, Color.white);
TestAlgorithmsHelpMethods.DisplayLineMesh(l2_p1, l2_p2, 0.5f, Color.white);
//If they are intersecting we can also get the intersection point
if (isIntersecting)
{
MyVector2 intersectionPoint = _Intersections.GetLineLineIntersectionPoint(l1, l2);
TestAlgorithmsHelpMethods.DisplayCircleMesh(intersectionPoint, 1f, 20, Color.red);
}
}
