protected void AccumulateDelta(IntPtr oldStatePtr, IntPtr newStatePtr, InputControl <float> control)
{
var oldDelta = control.ReadValueFrom(oldStatePtr);
var newDelta = control.ReadValueFrom(newStatePtr);
control.WriteValueInto(newStatePtr, oldDelta + newDelta);
}
protected bool ResetDelta(IntPtr statePtr, InputControl <float> control)
{
var value = control.ReadValueFrom(statePtr);
if (Mathf.Approximately(0f, value))
{
return(false);
}
control.WriteValueInto(statePtr, 0f);
return(true);
}
/// <summary>
/// Set the control to the given value by sending a state event with the value to the
/// control's device.
/// </summary>
/// <param name="control">An input control on a device that has been added to the system.</param>
/// <param name="state">New value for the input control.</param>
/// <typeparam name="TValue">Value type of the given control.</typeparam>
/// <example>
/// <code>
/// var gamepad = InputSystem.AddDevice<Gamepad>();
/// Set(gamepad.leftButton, 1);
/// </code>
/// </example>
public void Set <TValue>(InputControl <TValue> control, TValue state)
where TValue : struct
{
if (control == null)
{
throw new ArgumentNullException("control");
}
if (!control.device.added)
{
throw new ArgumentException(
string.Format("Device of control '{0}' has not been added to the system", control), "control");
}
InputEventPtr eventPtr;
using (StateEvent.From(control.device, out eventPtr))
{
control.WriteValueInto(eventPtr, state);
InputSystem.QueueEvent(eventPtr);
}
InputSystem.Update();
}
