public override void PrepareFrame(List <Rectangle> labels, Viewport viewport, Orts.Viewer3D.Camera camera)
{
var position2D = Project3D(Normalize(Position, camera), viewport, camera);
Visible = (position2D.Z >= 0 && position2D.Z <= 1);
if (Visible)
{
var rect2D = new Rectangle((int)position2D.X, (int)position2D.Y, (int)TextSize.X + 2 * TextOffsetX, (int)TextSize.Y);
rect2D.Y -= rect2D.Height;
while (labels.Any(r => r.Intersects(rect2D)))
{
rect2D.Y = labels.Where(r => r.Intersects(rect2D)).Select(r => r.Top).Max() - rect2D.Height;
}
labels.Add(rect2D);
LabelOffset = position2D.Y - rect2D.Y;
Position2D = new Vector2(rect2D.X, rect2D.Y);
Position2DText = new Point((int)Position2D.X + TextOffsetX, (int)Position2D.Y + TextOffsetY);
}
}
public override void PrepareFrame(List <Rectangle> labels, Viewport viewport, Orts.Viewer3D.Camera camera)
{
var start2d = Project3D(Normalize(Start, camera), viewport, camera);
var end2d = Project3D(Normalize(End, camera), viewport, camera);
var line2d = end2d - start2d;
line2d.Normalize();
Visible = (start2d.Z >= 0 && start2d.Z <= 1 && end2d.Z >= 0 && end2d.Z <= 1);
Start2D = Flatten(start2d) + new Vector2(line2d.Y * Width / 2, -line2d.X * Width / 2);
Angle = (float)Math.Atan2(end2d.Y - start2d.Y, end2d.X - start2d.X);
Length = (end2d - start2d).Length();
}
protected static Vector3 Project3D(Vector3 position, Viewport viewport, Orts.Viewer3D.Camera camera)
{
return(viewport.Project(position, camera.XnaProjection, camera.XnaView, Matrix.Identity));
}
public abstract void PrepareFrame(List <Rectangle> labels, Viewport viewport, Orts.Viewer3D.Camera camera);
protected static Vector3 Normalize(WorldLocation location, Orts.Viewer3D.Camera camera)
{
return(new Vector3(location.Location.X + (location.TileX - camera.TileX) * 2048, location.Location.Y, -location.Location.Z - (location.TileZ - camera.TileZ) * 2048));
}
