/// <summary>
/// Force function to intersect way1 and way2 according to leftright or rightleft orientation
/// </summary>
private intersectionside forcedIntersectWay(int way1No, int way2No, IntersectionNode intersection, LineSegment segment1, LineSegment segment2, Vector3 fwd1, Vector3 fwd2, bool leftright)
{
int highwayIndex1 = getHighwayIndex(intersection.wayIds[way1No]);
int highwayIndex2 = getHighwayIndex(intersection.wayIds[way2No]);
Vector2 intersect = new Vector2();
if(leftright)
{
Geometry.getVectorIntersection(ref intersect, segment1.Left1, segment1.Left2, fwd1, segment2.Right1, segment2.Right2, fwd2);
if (intersect.magnitude == 0)
throw new System.InvalidOperationException("Intersection Failed!");
Vector3 newVertex = new Vector3(intersect.x, terrain.getTerrainHeight2(intersect.y + terrain.terrainInfo.shiftZ, intersect.x + terrain.terrainInfo.shiftX), intersect.y);
applyIntersection(way1No, way2No, highwayIndex1, highwayIndex2, newVertex, intersection, true);
intersectionside s = new intersectionside();
s.vertex = newVertex;
s.leftright = leftright;
s.success = true;
return s;
}
else
{
Geometry.getVectorIntersection(ref intersect, segment1.Right1, segment1.Right2, fwd1, segment2.Left1, segment2.Left2, fwd2);
if (intersect.magnitude == 0)
throw new System.InvalidOperationException("Intersection Failed!");
Vector3 newVertex = new Vector3(intersect.x, terrain.getTerrainHeight2(intersect.y + terrain.terrainInfo.shiftZ, intersect.x + terrain.terrainInfo.shiftX), intersect.y);
applyIntersection(way1No, way2No, highwayIndex1, highwayIndex2, newVertex, intersection, false);
intersectionside s = new intersectionside();
s.vertex = newVertex;
s.leftright = leftright;
s.success = true;
return s;
}
}
/// <summary>
/// Tries to intersect way1 and way2 (if the angle <180)
/// </summary>
private intersectionside intersectWay(int way1No, int way2No, IntersectionNode intersection, LineSegment segment1, LineSegment segment2,Vector3 fwd1, Vector3 fwd2,double angle)
{
int highwayIndex1 = getHighwayIndex(intersection.wayIds[way1No]);
int highwayIndex2 = getHighwayIndex(intersection.wayIds[way2No]);
Vector2 intersect = new Vector2();
if (Geometry.getHalfVectorIntersection(ref intersect, segment1.Left1, segment1.Left2, fwd1, segment2.Right1, segment2.Right2, fwd2))
{
Vector3 newVertex = new Vector3(intersect.x, terrain.getTerrainHeight2(intersect.y + terrain.terrainInfo.shiftZ, intersect.x + terrain.terrainInfo.shiftX), intersect.y);
applyIntersection(way1No, way2No,highwayIndex1,highwayIndex2, newVertex, intersection, true);
intersectionside s = new intersectionside();
s.vertex = newVertex;
s.leftright = true;
s.success = true;
return s;
}
else if (Geometry.getHalfVectorIntersection(ref intersect, segment1.Right1, segment1.Right2, fwd1, segment2.Left1, segment2.Left2, fwd2))
{
Vector3 newVertex = new Vector3(intersect.x, terrain.getTerrainHeight2(intersect.y + terrain.terrainInfo.shiftZ, intersect.x + terrain.terrainInfo.shiftX), intersect.y);
applyIntersection(way1No, way2No,highwayIndex1,highwayIndex2, newVertex, intersection, false);
intersectionside s = new intersectionside();
s.vertex = newVertex;
s.leftright = false;
s.success = true;
return s;
}
else
{
throw new System.InvalidOperationException("Bormal Intersection Failed!!");
Debug.Log("------------------------------");
intersectionside s = new intersectionside();
s.vertex = new Vector3(0, 0, 0);
s.leftright = false;
s.success = false;
return s;
}
}
