/// <summary>
/// Calculate the position of the inner corner
/// </summary>
/// <param name="roadIndexA">The first road index</param>
/// <param name="roadIndexB">The second road index</param>
/// <param name="magnitude">The magnitude of the corner</param>
/// <param name="posOut">The position of the innre corner</param>
/// <returns>True if we have found a cross over</returns>
public bool GetInnerCorner(int roadIndexA, int roadIndexB, float magnitude, out Vector3 posOut)
{
Vector3 pos = gameObject.transform.position;
RoadNetworkNode rnn = Details.Roads[roadIndexA].GetComponent <RoadNetworkNode>();
Vector3 roadPointA = rnn.GetOffSetDownRoad(pos, magnitude);
RoadNetworkNode rnnB = Details.Roads[roadIndexB].GetComponent <RoadNetworkNode>();
Vector3 roadPointB = rnnB.GetOffSetDownRoad(pos, magnitude);
Vector3 roadPointAEnd = MathsHelper.OffSetVector(
roadPointA,
Details.Roads[roadIndexA].GetAngleOfRoad(pos) + (float)(Math.PI / 2),
magnitude);
Vector3 roadPointBEnd = MathsHelper.OffSetVector(
roadPointB,
Details.Roads[roadIndexB].GetAngleOfRoad(pos) + (float)(Math.PI / 2),
magnitude);
posOut = new Vector3();
Vector3 outB = new Vector3();
Vector3 diffA = roadPointA - roadPointAEnd;
Vector3 diffB = roadPointB - roadPointBEnd;
if (MathsHelper.ClosestPointsOnTwoLines(out posOut, out outB, roadPointA, diffA.normalized, roadPointB, diffB.normalized))
{
return(true);
}
posOut = (roadPointA + roadPointB) / 2;
return(false);
}
/// <summary>
/// Draw all the roads linked
/// </summary>
/// <param name="gameObject"></param>
internal void DrawRoads(GameObject gameObject)
{
if (Roads == null)
{
return;
}
Vector3 roadCorner = gameObject.transform.position;
for (int i = 0; i < Roads.Count; i++)
{
if (Roads[i] == null)
{
return;
}
Vector3 roadA = Roads[i].gameObject.transform.position;
Gizmos.color = Color.yellow;
if (Modified || Roads[i].Details.Modified)
{
Gizmos.color = Color.cyan;
}
Gizmos.DrawLine(roadA, roadCorner);
float roadWidth = RoadConstructorHelper.CrossSectionDetails.RoadWidthValue / 2;
Gizmos.color = Color.green;
Vector3 intersectionDown = Roads[i].GetOffSetDownRoad(roadCorner, 0);
float a = Roads[i].GetAngleOfRoad(roadCorner);
Vector3 endA = MathsHelper.OffSetVector(intersectionDown, a + (Mathf.PI / 2), roadWidth);
Vector3 endB = MathsHelper.OffSetVector(intersectionDown, a - (Mathf.PI / 2), roadWidth);
Gizmos.DrawLine(endA, endB);
}
}
/// <summary>
/// Get the intersection of two points
/// </summary>
/// <param name="angleA">The first angle</param>
/// <param name="angleB">The second angle</param>
/// <param name="pointA">The first point</param>
/// <param name="pointB">the second point</param>
/// <param name="intersectionPoint">The intersection of the two angles</param>
private static void GetPointFrom(float angleA, float angleB, Vector3 pointA, Vector3 pointB, out Vector3 intersectionPoint)
{
Vector3 offSetPointA = MathsHelper.OffSetVector(pointA, angleA - (float)(Math.PI / 2), 50);
Vector3 offsetPointB = MathsHelper.OffSetVector(pointB, angleB - (float)(Math.PI / 2), 50);
Vector3 outB = new Vector3();
Vector3 diffA = offSetPointA - pointA;
Vector3 diffB = offsetPointB - pointB;
MathsHelper.ClosestPointsOnTwoLines(out intersectionPoint, out outB, pointA, diffA.normalized, pointB, diffB.normalized);
}
/// <summary>
/// Find the overlap point of two angles
/// </summary>
/// <param name="angleA">Angle a</param>
/// <param name="angleB">angle B</param>
/// <param name="posA">Starting point A</param>
/// <param name="posB">Starting point B</param>
/// <param name="retPos">The overlap point of the two angles</param>
/// <returns>The magnitude of the point</returns>
private static float FindOverlapPoint(float angleA, float angleB, Vector3 posA, Vector3 posB, out Vector3 retPos)
{
Vector3 offSetPosA = MathsHelper.OffSetVector(posA, angleA - (float)(Math.PI / 2), 50);
Vector3 offSetPosB = MathsHelper.OffSetVector(posB, angleB - (float)(Math.PI / 2), 50);
Vector3 outB = new Vector3();
Vector3 diffA = offSetPosA - posA;
Vector3 diffB = offSetPosB - posB;
MathsHelper.ClosestPointsOnTwoLines(out retPos, out outB, posA, diffA.normalized, posB, diffB.normalized);
Vector3 gap = retPos - posA;
return(gap.magnitude);
}
/// <summary>
/// Extrude the road out, by creating a new node
/// </summary>
/// <returns>The newly created road section</returns>
public GameObject ExtrudeRoad()
{
Details.CompressRoads();
Details.Modified = true;
float roadAngle = GetCurrentAngle() + (float)(Math.PI / 2);
if (Details.Union != UNION_TYPE.END)
{
roadAngle += (float)(Math.PI / 2);
}
Vector3 pos = MathsHelper.OffSetVector(transform.position, roadAngle, 100);
GameObject newNode = RoadNetworkNodeHelper.CreateBasicNode(pos, RoadConstructorHelper.GetUniqueRoadName(gameObject), gameObject);
GameObject rnnB = gameObject;
RoadNetworkLayout.AddRoadToNode(newNode.GetComponent <RoadNetworkNode>(), rnnB.GetComponent <RoadNetworkNode>());
RoadNetworkLayout.AddRoadToNode(rnnB.GetComponent <RoadNetworkNode>(), newNode.GetComponent <RoadNetworkNode>());
ICrossSection sc = gameObject.GetComponent <ICrossSection>();
if (sc != null)
{
newNode.AddComponent <OverridableCrossSection>();
OverridableCrossSection ocs = newNode.GetComponent <OverridableCrossSection>();
ocs.Copy(sc);
}
IMaterialFrequency fm = gameObject.GetComponent <IMaterialFrequency>();
if (fm != null)
{
newNode.AddComponent <OverridableMaterialFrequency>();
OverridableMaterialFrequency ocs = newNode.GetComponent <OverridableMaterialFrequency>();
ocs.Copy(fm);
}
return(newNode);
}
/// <summary>
/// Appiles the off set of the road
/// </summary>
/// <param name="baseObject">The base road to apply the off set to</param>
/// <param name="magitude">The size (distance) of the off set</param>
/// <returns>The off set postion</returns>
public Vector3 GetOffSetDownRoad(Vector3 baseObject, float magitude)
{
float angle = GetAngleOfRoad(baseObject);
return(MathsHelper.OffSetVector(baseObject, angle, magitude));
}