//Vector2
public void GetClosestPointToCell(Vector2 targetPos, out Vector3 closestPoint, out bool isOutsideCell)
{
float closestSqrDistance = float.MaxValue;
closestPoint = Vector3.zero;
foreach (var edgeData in _contentDictionary.Keys)
{
if (SomeMath.PointInTriangle(edgeData.leftV2, edgeData.rightV2, centerVector2, targetPos))
{
closestPoint = new Vector3(targetPos.x, SomeMath.CalculateHeight(edgeData.leftV3, edgeData.rightV3, centerVector3, targetPos.x, targetPos.y), targetPos.y);
isOutsideCell = false;
return;
}
else
{
Vector3 curInte;
SomeMath.ClosestToSegmentTopProjection(edgeData.leftV3, edgeData.rightV3, targetPos, true, out curInte);
float curSqrDist = SomeMath.SqrDistance(targetPos.x, targetPos.y, curInte.x, curInte.z);
if (curSqrDist < closestSqrDistance)
{
closestSqrDistance = curSqrDist;
closestPoint = curInte;
}
}
}
isOutsideCell = true;
return;
}
//Vector2
public bool GetPointInsideCell(Vector2 targetPos, out Vector3 result)
{
foreach (var edgeData in _contentDictionary.Keys)
{
if (SomeMath.PointInTriangle(edgeData.leftV2, edgeData.rightV2, centerV2, targetPos))
{
result = new Vector3(targetPos.x, SomeMath.CalculateHeight(edgeData.leftV3, edgeData.rightV3, centerV3, targetPos.x, targetPos.y), targetPos.y);
return(true);
}
}
result = Vector3.zero;
return(false);
}
/// <summary>
/// check all cell triangles and return Y position if point inside of any triangle
/// </summary>
/// <param name="y">result Y if point inside cell</param>
/// <returns>true if point inside cell</returns>
public bool GetPointInsideCell(float x, float z, out float y)
{
CellContentData edgeData;
foreach (var pair in _contentDictionary)
{
edgeData = pair.Key;
if (SomeMath.PointInTriangle(centerVector2.x, centerVector2.y, edgeData.xLeft, edgeData.zLeft, edgeData.xRight, edgeData.zRight, x, z))
{
y = SomeMath.CalculateHeight(edgeData.leftV3, edgeData.rightV3, centerVector3, x, z);
return(true);
}
}
y = 0;
return(false);
}