コード例 #1
0
ファイル: LineHittable.cs プロジェクト: Zulkir/ClarityWorlds
        public RayHitResult HitWithClick(RayCastInfo clickInfo)
        {
            // todo: calculate in screen space?
            var line      = getLine(master);
            var mouseLine = clickInfo.GlobalRay.ToLine();

            Line3.GetClosestPoints(line, mouseLine, out var p1, out var p2);
            var grad      = clickInfo.GetAbsPixelGradientAt((p1 + p2) / 2);
            var diff      = (p2 - p1).Abs();
            var pixelDiff = Vector3.Dot(diff, grad);

            return(pixelDiff <= lineWidth
                ? new RayHitResult
            {
                Successful = true,
                Node = Node,
                Distance = (clickInfo.GlobalRay.Point - p1).Length(),
                GlobalHitPoint = p1,
                LocalHitPoint = p1,
                IntTag = intTag,
                StrTag = strTag
            }
                : RayHitResult.Failure());
        }