Files
crtr/Assets/Cryville/Common/Unity/Input/UnityTouchHandler.cs

74 lines
2.0 KiB
C#

using System;
using UnityEngine;
using unity = UnityEngine;
namespace Cryville.Common.Unity.Input {
public class UnityTouchHandler : InputHandler {
GameObject receiver;
public UnityTouchHandler() {
if (!unity::Input.touchSupported) {
throw new NotSupportedException("Unity touch is not supported on this device");
}
}
protected override void ActivateImpl() {
receiver = new GameObject("__touchrecv__");
receiver.AddComponent<UnityPointerReceiver>().SetHandler(this);
}
protected override void DeactivateImpl() {
if (receiver) GameObject.Destroy(receiver);
}
public override void Dispose(bool disposing) {
if (disposing) {
DeactivateImpl();
}
}
public override bool IsNullable(int type) {
if (type != 0) throw new ArgumentOutOfRangeException(nameof(type));
return true;
}
public override byte GetDimension(int type) {
if (type != 0) throw new ArgumentOutOfRangeException(nameof(type));
return 2;
}
public override string GetTypeName(int type) {
switch (type) {
case 0: return "Touch";
default: throw new ArgumentOutOfRangeException(nameof(type));
}
}
public override double GetCurrentTimestamp() {
return Time.timeAsDouble;
}
public class UnityPointerReceiver : MonoBehaviour {
UnityTouchHandler handler;
public void SetHandler(UnityTouchHandler h) {
handler = h;
}
void Update() {
double time = Time.timeAsDouble;
for (int i = 0; i < unity::Input.touchCount; i++) {
var t = unity::Input.GetTouch(i);
Vector2 pos = UnityCameraUtils.ScreenToWorldPoint(t.position);
var vec = new InputVector(time, pos);
if (t.phase == TouchPhase.Began || t.phase == TouchPhase.Stationary || t.phase == TouchPhase.Moved) {
handler.Feed(0, t.fingerId, vec);
}
else if (t.phase == TouchPhase.Ended || t.phase == TouchPhase.Canceled) {
handler.Feed(0, t.fingerId, vec);
handler.Feed(0, t.fingerId, new InputVector(time));
}
}
}
}
}
}