Move solution and projects to src

src/Ryujinx.Input/Motion/MotionInput.cs

@@ -0,0 +1,65 @@
+using Ryujinx.Input.Motion;
+using System;
+using System.Numerics;
+
+namespace Ryujinx.Input
+{
+    public class MotionInput
+    {
+        public ulong   TimeStamp     { get; set; }
+        public Vector3 Accelerometer { get; set; }
+        public Vector3 Gyroscrope    { get; set; }
+        public Vector3 Rotation      { get; set; }
+
+        private readonly MotionSensorFilter _filter;
+
+        public MotionInput()
+        {
+            TimeStamp     = 0;
+            Accelerometer = new Vector3();
+            Gyroscrope    = new Vector3();
+            Rotation      = new Vector3();
+
+            // TODO: RE the correct filter.
+            _filter = new MotionSensorFilter(0f);
+        }
+
+        public void Update(Vector3 accel, Vector3 gyro, ulong timestamp, int sensitivity, float deadzone)
+        {
+            if (TimeStamp != 0)
+            {
+                Accelerometer = -accel;
+
+                if (gyro.Length() < deadzone)
+                {
+                    gyro = Vector3.Zero;
+                }
+
+                gyro *= (sensitivity / 100f);
+
+                Gyroscrope = gyro;
+
+                float deltaTime = MathF.Abs((long)(timestamp - TimeStamp) / 1000000f);
+
+                Vector3 deltaGyro = gyro * deltaTime;
+
+                Rotation += deltaGyro;
+
+                _filter.SamplePeriod = deltaTime;
+                _filter.Update(accel, DegreeToRad(gyro));
+            }
+
+            TimeStamp = timestamp;
+        }
+
+        public Matrix4x4 GetOrientation()
+        {
+            return Matrix4x4.CreateFromQuaternion(_filter.Quaternion);
+        }
+
+        private static Vector3 DegreeToRad(Vector3 degree)
+        {
+            return degree * (MathF.PI / 180);
+        }
+    }
+}