//Assumes the point is already on the line somewhere
public static Vector3 ClampToSegment(Vector3 point, Vector3 linePoint1, Vector3 linePoint2)
{
Vector3 lineDirection = linePoint2 - linePoint1;
if (!ExtVector3.IsInDirection(point - linePoint1, lineDirection))
{
point = linePoint1;
}
else if (ExtVector3.IsInDirection(point - linePoint2, lineDirection))
{
point = linePoint2;
}
return(point);
}
int AxisDirectionMultiplier(Vector3 direction, Vector3 otherDirection)
{
return(ExtVector3.IsInDirection(direction, otherDirection) ? 1 : -1);
}