/// <summary>
/// Raycast the hazard for intesections
/// </summary>
/// <param name="ray"></param>
/// <param name="hit"></param>
/// <param name="distance"></param>
/// <returns></returns>
public bool Raycast(Ray ray, CourseBase.HazardHit hit, float distance = 10)
{
Vector3[] points = Lines.Points;
Color[] colors = Lines.Colors;
if (!InBounds(ray.origin))
{
return(false);
}
if (!ray.origin.IsInside(points))
{
return(false);
}
distance = Mathf.Max(distance, Lines.Points.LineLength());
Vector3 startPosition = ray.origin + ray.direction.normalized * distance;
bool crossed = false;
for (int i = 0; i < points.Length; ++i)
{
if (MathUtility.IsSegmentSegment(ray.origin.ToVector2(), startPosition.ToVector2(), points.GetAt(i - 1).ToVector2(), points.GetAt(i).ToVector2()))
{
string name = CourseBase.HazardLayers.Find(h => h.hazardColor == colors.GetAt(i - 1)).name;
if (CourseBase.IsHazard(name))
{
Vector3 point = MathUtility.LineLine(ray.origin.ToVector2(), startPosition.ToVector2(), points.GetAt(i - 1).ToVector2(), points.GetAt(i).ToVector2()).Value;
point = new Vector3(point.x, CourseBase.MeshHeight(point.x, point.y), point.y);
if (hit.point == Vector3.zero || (point - ray.origin).magnitude < (hit.point - ray.origin).magnitude)
{
hit.type = CourseBase.HazardType(name);
hit.point = point;
hit.pointIndex = i;
hit.InstanceID = Info.InstanceID;
crossed = true;
}
}
}
}
return(crossed);
}
