71 lines
1.9 KiB
C#
71 lines
1.9 KiB
C#
using System;
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using UnityEngine;
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using unity = UnityEngine;
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namespace Cryville.Input.Unity {
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public class UnityTouchHandler : InputHandler {
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GameObject _receiver;
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public UnityTouchHandler() {
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if (!unity::Input.touchSupported) {
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throw new NotSupportedException("Unity touch is not supported on this device");
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}
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}
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protected override void Activate() {
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_receiver = new GameObject("__touchRecv__");
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_receiver.AddComponent<UnityPointerReceiver>().SetHandler(this);
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}
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protected override void Deactivate() {
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if (_receiver) GameObject.Destroy(_receiver);
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}
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public override void Dispose(bool disposing) {
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if (disposing) {
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Deactivate();
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}
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}
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public override bool IsNullable { get { return true; } }
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public override byte Dimension { get { return 2; } }
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readonly static ReferenceCue _refCue = new ReferenceCue {
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PhysicalDimension = new PhysicalDimension { Length = 1 },
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RelativeUnit = RelativeUnit.Pixel,
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};
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public override ReferenceCue ReferenceCue => _refCue;
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public override string GetTypeName(int type) {
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switch (type) {
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case 0: return "Touch";
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default: throw new ArgumentOutOfRangeException("type");
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}
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}
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public override double GetCurrentTimestamp() {
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return Time.realtimeSinceStartupAsDouble;
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}
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public class UnityPointerReceiver : MonoBehaviour {
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UnityTouchHandler _handler;
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public void SetHandler(UnityTouchHandler h) {
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_handler = h;
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}
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void Update() {
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double time = Time.realtimeSinceStartupAsDouble;
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for (int i = 0; i < unity::Input.touchCount; i++) {
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var t = unity::Input.GetTouch(i);
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Vector2 pos = t.position;
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var vec = new InputFrame(time, new InputVector(pos.x, pos.y));
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_handler.Feed(0, t.fingerId, vec);
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if (t.phase == TouchPhase.Ended || t.phase == TouchPhase.Canceled) {
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_handler.Feed(0, t.fingerId, new InputFrame(time));
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}
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}
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}
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}
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}
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}
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