void Update()
{
if (boundary == null)
{
return;
}
var min = new Helper.LinePoint {
Distance = Mathf.Infinity
};
Boundary closestLine = null;
foreach (Boundary line in boundary)
{
Helper.LinePoint point = line.ClosestPoint(myTransform.position);
if (point.Distance < min.Distance)
{
min = point;
closestLine = line;
}
}
if (closestLine != null)
{
BoundaryVertex pointA = closestLine.GetPoint(min.Index);
Vector3 normal = pointA.Normal.normalized;
if (min.Index < closestLine.PointCount - 1 && min.ProjectionDistance > 0)
{
BoundaryVertex pointB = closestLine.GetPoint(min.Index + 1);
normal = Vector3.Lerp(normal, pointB.Normal.normalized, min.ProjectionDistance);
}
normal = closestLine.transform.TransformDirection(normal);
float lookDot = Vector3.Dot(myTransform.forward, normal);
float dot = Vector3.Dot(myTransform.position - min.Point, normal);
if (lookDot <= 0)
{
ResetFog();
}
else if (dot > 0)
{
ShowFog(lookDot);
Slowdown(min.Distance, lookDot);
}
else if (min.Distance <= FogStartDistance)
{
float fogFactor = 1 - min.Distance / FogStartDistance;
fogFactor *= lookDot;
ShowFog(fogFactor);
}
else
{
ResetFog();
}
}
else
{
ResetFog();
}
}
public override Helper.LinePoint ClosestPoint(Vector3 pos)
{
var min = new Helper.LinePoint {
Distance = Mathf.Infinity
};
for (var i = 1; i < points.Count; i++)
{
Vector3 a = transform.TransformPoint(points[i - 1].Position);
Vector3 b = transform.TransformPoint(points[i].Position);
Helper.LinePoint point = Helper.PointToLine(pos, a, b, i - 1);
if (point.Distance < min.Distance)
{
min = point;
}
}
return(min);
}
