private Maybe <EdgeData> TryFindValidEdge(Voxel a, Voxel b, bool horizontal)
{
var invalidResult = new Maybe <EdgeData>();
if (InDifferentStates(a, b))
{
return(invalidResult);
}
var forward = PickDirection(a, b, out Vector2 from, out Vector2 to);
var hit = FindValidWorldHitPoint(from, to);
if (!hit.IsValid)
{
return(invalidResult);
}
var r = hit.Item;
var localPoint = gridTrans.InverseTransformPoint(r.point);
var offset = horizontal ? a.xEdge : a.yEdge;
var newOffset = horizontal ? localPoint.x : localPoint.y;
if (!EdgeValidToChange(offset, newOffset, forward))
{
return(invalidResult);
}
var edge = new EdgeData
{
EdgeOffset = newOffset,
Normal = r.normal
};
return(new Maybe <EdgeData>(edge));
}
public void SetVerticalEdge(EdgeData edge)
{
if (edge.EdgeOffset == float.MinValue)
{
return;
}
yEdge = edge.EdgeOffset;
yNormal = edge.Normal;
}
public void SetHorizontalEdge(EdgeData edge)
{
if (edge.EdgeOffset == float.MinValue)
{
return;
}
xEdge = edge.EdgeOffset;
xNormal = edge.Normal;
}