public static IEnumerable <IDrawData> FromDashes(IEnumerable <MarkupStylePart> dashes)
{
var materialGroups = dashes.GroupBy(d => d.MaterialType);
foreach (var materialGroup in materialGroups)
{
var sizeGroups = materialGroup.Where(d => d.Length >= 0.1f).GroupBy(d => new Vector3(Round(d.Length), MeshHeight, d.Width));
foreach (var sizeGroup in sizeGroups)
{
var groupEnumerator = sizeGroup.GetEnumerator();
var buffer = new MarkupStylePart[16];
var count = 0;
bool isEnd = groupEnumerator.MoveNext();
do
{
buffer[count] = groupEnumerator.Current;
count += 1;
isEnd = !groupEnumerator.MoveNext();
if (isEnd || count == 16)
{
var batch = new RenderBatch(buffer, count, sizeGroup.Key, materialGroup.Key);
yield return(batch);
count = 0;
}
}while (!isEnd);
}
}
}
public static bool CalculateSolidPart(LineBorders borders, ITrajectory trajectory, float offset, float width, Color32 color, out MarkupStylePart part)
{
part = CalculateSolidPart(trajectory, offset, width, color);
if (borders.IsEmpty)
{
return(true);
}
var vertex = borders.GetVertex(part);
var from = 0f;
var to = 1f;
foreach (var border in borders)
{
for (var i = 0; i < vertex.Length; i += 2)
{
var start = Intersection.CalculateSingle(border, vertex[i]);
var end = Intersection.CalculateSingle(border, vertex[i + 1]);
if (start.IsIntersect && end.IsIntersect)
{
return(false);
}
if (!start.IsIntersect && !end.IsIntersect)
{
continue;
}
var intersect = Intersection.CalculateSingle(border, new StraightTrajectory(vertex[i].EndPosition, vertex[i + 1].EndPosition));
if (intersect.IsIntersect)
{
if (start.IsIntersect)
{
from = Mathf.Max(from, intersect.SecondT);
}
else if (end.IsIntersect)
{
to = Mathf.Min(to, intersect.SecondT);
}
}
}
}
if (from != 0f || to != 1f)
{
var dir = part.Angle.Direction();
var line = new StraightTrajectory(part.Position + dir * (part.Length / 2), part.Position - dir * (part.Length / 2)).Cut(from, to);
part = new MarkupStylePart(line.StartPosition, line.EndPosition, line.Direction, part.Width, part.Color);
}
return(true);
}
public static bool CalculateDashedParts(LineBorders borders, ITrajectory trajectory, float startT, float endT, float dashLength, float offset, float width, Color32 color, out MarkupStylePart part)
{
part = CalculateDashedPart(trajectory, startT, endT, dashLength, offset, width, color);
if (borders.IsEmpty)
{
return(true);
}
var vertex = borders.GetVertex(part);
return(!borders.Any(c => vertex.Any(v => Intersection.CalculateSingle(c, v).IsIntersect)));
}
