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GoogleVRのGesture C APIをUnityから使うためのコード
/*
* Copyright (c) 2019 KOGA Mitsuhiro
*
* This software is released under the MIT License.
* http://opensource.org/licenses/mit-license.php
*/
using System;
using System.Runtime.InteropServices;
namespace Gvr.Gesture
{
public enum GvrGestureDirection
{
Up = 1,
Down = 2,
Left = 3,
Right = 4
}
public enum GvrGestureType
{
Swipe = 1,
ScrollStart = 2,
ScrollUpdate = 3,
ScrollEnd = 4
}
public enum GvrControllerButton
{
Click = 1,
Count = 9
}
[StructLayout(LayoutKind.Sequential)]
public struct GvrVec2f
{
public float x;
public float y;
}
public class AndroidNativeGesture
{
public const int GvrControllerEnableOrientation = 1 << 0;
public const int GvrControllerEnableTouch = 1 << 1;
public const int GvrControllerEnableGyro = 1 << 2;
public const int GvrControllerEnableAccel = 1 << 3;
public const int GvrControllerEnableGestures = 1 << 4;
public const int GvrControllerEnablePosePrediction = 1 << 5;
#if UNITY_ANDROID && !UNITY_EDITOR
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern IntPtr gvr_controller_state_create();
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_controller_state_update(IntPtr api, int controller_index, IntPtr out_state);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_controller_state_destroy(ref IntPtr state);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern int gvr_controller_get_default_options();
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern IntPtr gvr_controller_create_and_init(int options, IntPtr context);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_controller_destroy(ref IntPtr api);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_controller_pause(IntPtr api);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_controller_resume(IntPtr api);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern IntPtr gvr_gesture_context_create();
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_gesture_context_destroy(ref IntPtr gvrGestureContextPtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern int gvr_gesture_get_count(IntPtr gvrGestureContextPtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern GvrGestureDirection gvr_gesture_get_direction(IntPtr gvrGesturePtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern GvrVec2f gvr_gesture_get_displacement(IntPtr gvrGesturePtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern GvrGestureType gvr_gesture_get_type(IntPtr gvrGesturePtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern GvrVec2f gvr_gesture_get_velocity(IntPtr gvrGesturePtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_gesture_restart(IntPtr gvrGestureContextPtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern void gvr_gesture_update(IntPtr gvrControllerStatePtr, IntPtr gvrGestureContextPtr);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern IntPtr gvr_gesture_get(IntPtr gvrGestureContextPtr, int index);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
public static extern bool gvr_get_button_long_press(IntPtr gvrControllerStatePtr, IntPtr gvrGestureContextPtr, Gvr.Gesture.GvrControllerButton gvrControllerButton);
#endif // UNITY_ANDROID && !UNITY_EDITOR
}
}
/*
* Copyright (c) 2019 KOGA Mitsuhiro
*
* This software is released under the MIT License.
* http://opensource.org/licenses/mit-license.php
*/
using System;
using System.Collections.Generic;
using Gvr.Gesture;
using UnityEngine;
using UnityEngine.XR;
public class GvrGesture : MonoBehaviour
{
private IntPtr _api = IntPtr.Zero;
private IntPtr _gvrGestureContextPtr = IntPtr.Zero;
private IntPtr _controllerState = IntPtr.Zero;
public struct Gesture
{
public GvrGestureType GestureType;
public GvrGestureDirection GestureDirection;
public GvrVec2f Displacement;
public GvrVec2f Velocity;
}
#if UNITY_ANDROID && !UNITY_EDITOR
private static bool IsDayDream()
{
return XRSettings.loadedDeviceName == GvrSettings.VR_SDK_DAYDREAM;
}
GvrGesture()
{
if (!IsDayDream())
{
return;
}
var options = AndroidNativeGesture.gvr_controller_get_default_options();
options |= AndroidNativeGesture.GvrControllerEnableGestures;
_api = AndroidNativeGesture.gvr_controller_create_and_init(options, XRDevice.GetNativePtr());
if (IntPtr.Zero == _api)
{
return;
}
AndroidNativeGesture.gvr_controller_resume(_api);
_controllerState = AndroidNativeGesture.gvr_controller_state_create();
_gvrGestureContextPtr = AndroidNativeGesture.gvr_gesture_context_create();
}
~GvrGesture()
{
if (!IsDayDream())
{
return;
}
if (IntPtr.Zero != _gvrGestureContextPtr)
{
AndroidNativeGesture.gvr_gesture_context_destroy(ref _gvrGestureContextPtr);
}
if (IntPtr.Zero != _controllerState)
{
AndroidNativeGesture.gvr_controller_state_destroy(ref _controllerState);
}
if (IntPtr.Zero != _api)
{
AndroidNativeGesture.gvr_controller_destroy(ref _api);
}
}
private void OnApplicationPause(bool pauseStatus)
{
if (!IsDayDream())
{
return;
}
if (IntPtr.Zero == _api)
{
return;
}
if (pauseStatus)
{
AndroidNativeGesture.gvr_controller_pause(_api);
}
else
{
AndroidNativeGesture.gvr_controller_resume(_api);
}
}
#endif // UNITY_ANDROID && !UNITY_EDITOR
private static readonly List<Gesture> Empty = new List<Gesture>(0);
public List<Gesture> GetGesture(int controllerIndex = 0)
{
#if UNITY_ANDROID && !UNITY_EDITOR
if (!IsDayDream())
{
return Empty;
}
if (IntPtr.Zero != _gvrGestureContextPtr)
{
AndroidNativeGesture.gvr_controller_state_update(_api, controllerIndex, _controllerState);
if (IntPtr.Zero != _controllerState)
{
AndroidNativeGesture.gvr_gesture_update(_controllerState, _gvrGestureContextPtr);
var numGestures = AndroidNativeGesture.gvr_gesture_get_count(_gvrGestureContextPtr);
if (numGestures > 0)
{
var gestures = new List<Gesture>(numGestures);
for (var i = 0; i < numGestures; i++)
{
var gesturePtr = AndroidNativeGesture.gvr_gesture_get(_gvrGestureContextPtr, i);
var gesture = new Gesture
{
GestureType = AndroidNativeGesture.gvr_gesture_get_type(gesturePtr),
GestureDirection = AndroidNativeGesture.gvr_gesture_get_direction(gesturePtr),
Displacement = AndroidNativeGesture.gvr_gesture_get_displacement(gesturePtr),
Velocity = AndroidNativeGesture.gvr_gesture_get_velocity(gesturePtr)
};
gestures.Add(gesture);
}
return gestures;
}
}
}
#endif // UNITY_ANDROID && !UNITY_EDITOR
return Empty;
}
public bool LongPressed(int controllerIndex = 0, Gvr.Gesture.GvrControllerButton button = Gvr.Gesture.GvrControllerButton.Click)
{
#if UNITY_ANDROID && !UNITY_EDITOR
if (!IsDayDream())
{
return false;
}
AndroidNativeGesture.gvr_controller_state_update(_api, controllerIndex, _controllerState);
if (IntPtr.Zero != _controllerState)
{
AndroidNativeGesture.gvr_gesture_update(_controllerState, _gvrGestureContextPtr);
return AndroidNativeGesture.gvr_get_button_long_press(_controllerState, _gvrGestureContextPtr, button);
}
#endif // UNITY_ANDROID && !UNITY_EDITOR
return false;
}
public void Restart()
{
#if UNITY_ANDROID && !UNITY_EDITOR
if (!IsDayDream())
{
return;
}
AndroidNativeGesture.gvr_gesture_restart(_gvrGestureContextPtr);
#endif // UNITY_ANDROID && !UNITY_EDITOR
}
}
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