A game framework written with osu! in mind.
keii.dev
1// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
2// See the LICENCE file in the repository root for full licence text.
3
4using osu.Framework.Extensions.TypeExtensions;
5using osu.Framework.Input.States;
6using osuTK;
7
8namespace osu.Framework.Input.Events
9{
10 /// <summary>
11 /// Represents a touch event.
12 /// </summary>
13 public class TouchEvent : UIEvent
14 {
15 /// <summary>
16 /// The touch of this event with the screen space position.
17 /// </summary>
18 public readonly Touch ScreenSpaceTouch;
19
20 /// <summary>
21 /// The touch of this event with local space position.
22 /// </summary>
23 public Touch Touch => new Touch(ScreenSpaceTouch.Source, ToLocalSpace(ScreenSpaceTouch.Position));
24
25 /// <summary>
26 /// The touch position at the <see cref="TouchDownEvent"/> for this touch source in the screen space.
27 /// </summary>
28 public readonly Vector2 ScreenSpaceTouchDownPosition;
29
30 /// <summary>
31 /// The touch position at the <see cref="TouchDownEvent"/> for this touch source in local space.
32 /// </summary>
33 public Vector2 TouchDownPosition => ToLocalSpace(ScreenSpaceTouchDownPosition);
34
35 /// <summary>
36 /// Whether a touch is active.
37 /// </summary>
38 /// <param name="touch">The touch to check for.</param>
39 public bool IsActive(Touch touch) => CurrentState.Touch.IsActive(touch.Source);
40
41 public TouchEvent(InputState state, Touch touch, Vector2? screenSpaceTouchDownPosition = null)
42 : base(state)
43 {
44 ScreenSpaceTouch = touch;
45 ScreenSpaceTouchDownPosition = screenSpaceTouchDownPosition ?? ScreenSpaceTouch.Position;
46 }
47
48 public override string ToString() => $"{GetType().ReadableName()}({ScreenSpaceTouch.Source})";
49 }
50}