/// <summary>
/// check if two roads intersect with each other using overlapping
/// </summary>
/// <param name="road1">Road1.</param>
/// <param name="road2">Road2.</param>
bool intersect(Road road1, Road road2)
{
GameObject road1Obj = Instantiate(road1.roadType, road1.postion + road1.startPos, road1.Rotation) as GameObject;
GameObject road2Obj = Instantiate(road2.roadType, road2.postion + road2.startPos, road2.Rotation) as GameObject;
road1Obj.transform.position = road1.postion + road1.startPos;
road2Obj.transform.position = road2.postion + road2.startPos;
road1Obj.transform.eulerAngles = road1.Rotation.eulerAngles;
road2Obj.transform.eulerAngles = road2.Rotation.eulerAngles;
Vector3 BoxObj1Min = road1Obj.GetComponent <BoxCollider>().bounds.min;
Vector3 BoxObj1Max = road1Obj.GetComponent <BoxCollider>().bounds.max;
Vector3 BoxObj2Min = road2Obj.GetComponent <BoxCollider>().bounds.min;
Vector3 BoxObj2Max = road2Obj.GetComponent <BoxCollider>().bounds.max;
Myx Box1x = new Myx();
Myx Box2x = new Myx();
Myx Box1y = new Myx();
Myx Box2y = new Myx();
Myx Box1z = new Myx();
Myx Box2z = new Myx();
Box1x.xmin = BoxObj1Min.x; Box1x.xmax = BoxObj1Max.x;
Box1y.xmin = BoxObj1Min.y; Box1y.xmax = BoxObj1Max.y;
Box1z.xmin = BoxObj1Min.z; Box1z.xmax = BoxObj1Max.z;
Box2x.xmin = BoxObj2Min.x; Box2x.xmax = BoxObj2Max.x;
Box2y.xmin = BoxObj2Min.y; Box2y.xmax = BoxObj2Max.y;
Box2z.xmin = BoxObj2Min.z; Box2z.xmax = BoxObj2Max.z;
Destroy(road1Obj);
Destroy(road2Obj);
return(overlapping3D(Box1x, Box2x, Box1y, Box2y, Box1z, Box2z));
}
bool overlapping3D(Myx x1, Myx x2, Myx y1, Myx y2, Myx z1, Myx z2)
{
return(overlapping1D(x1, x2) && overlapping1D(y1, y2) && overlapping1D(z1, z2));
}
bool overlapping2D(Myx x1, Myx x2, Myx y1, Myx y2)
{
return(overlapping1D(x1, x2) && overlapping1D(y1, y2));
}
bool overlapping1D(Myx x1, Myx x2)
{
return(x1.xmax >= x2.xmin && x2.xmax >= x1.xmin);
}
