private void DoMove(double x=0, double y=0)
{
var parameters = new CartesianPositionParameters()
{
X = x,
Y = y
};
ViewModel.Movement.RollCommand.Execute(parameters);
}
private void AccelerometerOnReadingAvailable(object sender, MvxValueEventArgs<Reading> mvxValueEventArgs)
{
// note that the switchover between Y and X here is deliberate!
// and that we invert Y
// this may need tweaking platform-by-platform
// and phone by phone - and maybe at runtime too!
var parameters = new CartesianPositionParameters
{
X = MakeSafe(-mvxValueEventArgs.Value.Y),
Y = MakeSafe(mvxValueEventArgs.Value.X),
};
DoRoll(parameters);
}
private void AccelerometerOnReadingAvailable(object sender, MvxValueEventArgs <Reading> mvxValueEventArgs)
{
// note that the switchover between Y and X here is deliberate!
// and that we invert Y
// this may need tweaking platform-by-platform
// and phone by phone - and maybe at runtime too!
var parameters = new CartesianPositionParameters
{
X = MakeSafe(-mvxValueEventArgs.Value.Y),
Y = MakeSafe(mvxValueEventArgs.Value.X),
};
DoRoll(parameters);
}
protected void DoRoll(CartesianPositionParameters positionParameters)
{
// TODO - put the check back in for 'too close'
//if (Position.AbsoluteDistance < DistanceThreshold)
//{
// return;
//}
Position = positionParameters;
int headingDegrees = positionParameters.HeadingDegrees;
var speed = (int) ((SpeedService.SpeedPercent*positionParameters.AbsoluteDistance)/100.0);
SpheroTrace.Trace("Rolling to {0} with speed {1})", headingDegrees, speed);
var rollCommand = new RollCommand(speed, headingDegrees, false);
SendCommand(rollCommand);
}
protected void DoRoll(CartesianPositionParameters positionParameters)
{
// TODO - put the check back in for 'too close'
//if (Position.AbsoluteDistance < DistanceThreshold)
//{
// return;
//}
Position = positionParameters;
int headingDegrees = positionParameters.HeadingDegrees;
var speed = (int)((SpeedService.SpeedPercent * positionParameters.AbsoluteDistance) / 100.0);
SpheroTrace.Trace("Rolling to {0} with speed {1})", headingDegrees, speed);
var rollCommand = new RollCommand(speed, headingDegrees, false);
SendCommand(rollCommand);
}
protected BaseSpheroMovementViewModel(ISpheroParentViewModel parent) : base(parent)
{
Position = new CartesianPositionParameters();
}
protected BaseSpheroMovementViewModel(ISpheroParentViewModel parent) : base(parent)
{
Position = new CartesianPositionParameters();
}
protected void OnNewCoordinates()
{
var parameters = new CartesianPositionParameters()
{
X = newX / (ellipseSense.ActualWidth / 2),
Y = newY / (ellipseSense.ActualWidth / 2),
};
var handler = NewCoordinates;
if (handler != null)
handler(this, new MvxValueEventArgs<CartesianPositionParameters>(parameters));
}
public double SimpleDistanceFrom(CartesianPositionParameters other)
{
return Math.Abs(other.X - this.X) + Math.Abs(other.Y - this.Y);
}
private void UpdateTouchPosition(float x, float y)
{
var height = this.Height;
var width = this.Width;
var minimal = Math.Min(height, width);
var relativeX = 2*(x - width/2)/minimal;
var relativeY = 2*(y - height/2)/minimal;
if (relativeX > 1.0f)
relativeX = 1.0f;
if (relativeX < -1.0f)
relativeX = -1.0f;
if (relativeY > 1.0f)
relativeY = 1.0f;
if (relativeY < -1.0f)
relativeY = -1.0f;
// note that we rotate x and y here because we want 0 to be up the screen
TouchPosition = new CartesianPositionParameters {Y = relativeX, X = -relativeY};
Fire(TouchPositionChanged);
}
public double SimpleDistanceFrom(CartesianPositionParameters other)
{
return(Math.Abs(other.X - this.X) + Math.Abs(other.Y - this.Y));
}