private bool IntersectsVP(Rectangle rect)
{
if (this.matrixNoRot)
{
bool isIntersects;
this.viewport.Intersects(ref rect, out isIntersects);
return(isIntersects);
}
else
{
var mt = this.matrix.Value;
Vector2 lt = new Vector2(rect.Left, rect.Top),
rt = new Vector2(rect.Right, rect.Top),
lb = new Vector2(rect.Left, rect.Bottom),
rb = new Vector2(rect.Right, rect.Bottom);
Vector2.Transform(ref lt, ref mt, out lt);
Vector2.Transform(ref rt, ref mt, out rt);
Vector2.Transform(ref lb, ref mt, out lb);
Vector2.Transform(ref rb, ref mt, out rb);
int left = (int)Math.Floor(MathHelper2.Min(lt.X, rt.X, lb.X, rb.X));
int top = (int)Math.Floor(MathHelper2.Min(lt.Y, rt.Y, lb.Y, rb.Y));
int right = (int)Math.Ceiling(MathHelper2.Max(lt.X, rt.X, lb.X, rb.X));
int bottom = (int)Math.Ceiling(MathHelper2.Max(lt.Y, rt.Y, lb.Y, rb.Y));
var bound = new Rectangle(left, top, right - left, bottom - top);
bool isIntersects;
this.viewport.Intersects(ref bound, out isIntersects);
return(isIntersects);
}
}
private void DrawFootholds(GameTime gameTime)
{
var color = MathHelper2.HSVtoColor((float)gameTime.TotalGameTime.TotalSeconds * 100 % 360, 1f, 1f);
if (patchVisibility.FootHoldVisible)
{
var lines = new List <Point>();
foreach (LayerNode layer in this.mapData.Scene.Layers.Nodes)
{
var fhList = layer.Foothold.Nodes.OfType <ContainerNode <FootholdItem> >()
.Select(container => container.Item);
foreach (var fh in fhList)
{
lines.Add(new Point(fh.X1, fh.Y1));
lines.Add(new Point(fh.X2, fh.Y2));
}
}
if (lines.Count > 0)
{
var meshItem = this.batcher.MeshPop();
meshItem.RenderObject = new LineListMesh(lines.ToArray(), color, 2);
this.batcher.Draw(meshItem);
this.batcher.MeshPush(meshItem);
}
}
if (patchVisibility.LadderRopeVisible)
{
var lines = new List <Point>();
var ladderList = this.mapData.Scene.Fly.LadderRope.Slots.OfType <LadderRopeItem>();
foreach (var item in ladderList)
{
lines.Add(new Point(item.X, item.Y1));
lines.Add(new Point(item.X, item.Y2));
}
if (lines.Count > 0)
{
var meshItem = this.batcher.MeshPop();
meshItem.RenderObject = new LineListMesh(lines.ToArray(), color, 3);
this.batcher.Draw(meshItem);
this.batcher.MeshPush(meshItem);
}
}
if (patchVisibility.SkyWhaleVisible)
{
var lines = new List <Point>();
var skyWhaleList = this.mapData.Scene.Fly.SkyWhale.Slots.OfType <SkyWhaleItem>();
foreach (var item in skyWhaleList)
{
foreach (var dx in new[] { 0, -item.Width / 2, item.Width / 2 })
{
Point start = new Point(item.Start.X + dx, item.Start.Y);
Point end = new Point(item.End.X + dx, item.End.Y);
//画箭头
lines.Add(start);
lines.Add(end);
lines.Add(end);
lines.Add(new Point(end.X - 5, end.Y + 8));
lines.Add(end);
lines.Add(new Point(end.X + 5, end.Y + 8));
}
}
if (lines.Count > 0)
{
var meshItem = this.batcher.MeshPop();
meshItem.RenderObject = new LineListMesh(lines.ToArray(), color, 1);
this.batcher.Draw(meshItem);
this.batcher.MeshPush(meshItem);
}
}
}