public static Vector3 GetAveragePosition(ExGestureObject g1, ExGestureObject g2)
{
float xavg, yavg;
xavg = (g1.EndPosition.x + g2.EndPosition.x) / 2;
yavg = (g1.EndPosition.y + g2.EndPosition.y) / 2;
return new Vector3(xavg, yavg, 0.0f);
}
public virtual bool OnTap(ExGestureObject g)
{
return false;
}
public virtual bool OnPinch(ExGestureObject g)
{
return false;
}
public bool Equals(ExGestureObject g)
{
return (g.Id == this.Id);
}
private void ConvertMouseToExGestureObject()
{
ExGestureObject mouseGesture;
try
{
gestures.TryGetValue( -1, out mouseGesture );
if ( Input.GetMouseButton( 1 ) )
{
Vector3 worldStartPosition = Camera.main.ScreenToWorldPoint( Input.mousePosition );
mouseGesture = new ExGestureObject();
mouseGesture.Initialize( ExGestureObject.GameGestureType.Pinch, worldStartPosition, worldStartPosition, Input.mousePosition, Input.mousePosition, Time.time, -1 );
gestures.Add( mouseGesture.Id, mouseGesture );
}
else if ( Input.GetMouseButton( 0 ) )
{
Vector3 worldEndPosition = Camera.main.ScreenToWorldPoint( Input.mousePosition );
if ( mouseGesture == null )
{
mouseGesture = new ExGestureObject();
mouseGesture.Initialize( ExGestureObject.GameGestureType.Down, worldEndPosition, worldEndPosition, Input.mousePosition, Input.mousePosition, Time.time, -1 );
gestures.Add( mouseGesture.Id, mouseGesture );
}
else
{
if ( !worldEndPosition.Equals( mouseGesture.StartPosition ) )
{
mouseGesture.GameGesture = ExGestureObject.GameGestureType.Drag;
}
else
{
if ( Time.time - mouseGesture.StartTime > 2 )
{
mouseGesture.GameGesture = ExGestureObject.GameGestureType.Hold;
}
else
{
mouseGesture.GameGesture = ExGestureObject.GameGestureType.Down;
}
}
mouseGesture.EndPosition = worldEndPosition;
mouseGesture.ScreenEnd = Input.mousePosition;
}
}
else if ( Input.GetMouseButtonUp( 0 ) )
{
Vector3 worldEndPosition = Camera.main.ScreenToWorldPoint( Input.mousePosition );
if ( mouseGesture.GameGesture == ExGestureObject.GameGestureType.Drag )
{
mouseGesture.GameGesture = ExGestureObject.GameGestureType.Pull;
mouseGesture.EndPosition = worldEndPosition;
mouseGesture.ScreenEnd = Input.mousePosition;
}
else if ( mouseGesture.GameGesture == ExGestureObject.GameGestureType.Down
|| mouseGesture.GameGesture == ExGestureObject.GameGestureType.Hold )
{
mouseGesture.GameGesture = ExGestureObject.GameGestureType.Tap;
mouseGesture.EndPosition = worldEndPosition;
mouseGesture.ScreenEnd = Input.mousePosition;
}
}
}
catch
{
mouseGesture = null;
}
}
protected ExGestureObject ConvertToExGestureObject( Touch t )
{
if ( t.phase == TouchPhase.Began )
{
Vector3 worldStartPosition = Camera.main.ScreenToWorldPoint( t.position );
ExGestureObject g = new ExGestureObject();
g.Initialize( ExGestureObject.GameGestureType.Down, worldStartPosition, worldStartPosition, t.position, t.position, Time.time, t.fingerId );
gestures.Add( g.Id, g );
return g;
}
else
{
ExGestureObject g;
gestures.TryGetValue( t.fingerId, out g );
Vector3 worldEndPosition = Camera.main.ScreenToWorldPoint( t.position );
if ( g != null )
{
if ( t.phase == TouchPhase.Ended )
{
if ( g.GameGesture == ExGestureObject.GameGestureType.Down || g.GameGesture == ExGestureObject.GameGestureType.Hold
|| g.GameGesture == ExGestureObject.GameGestureType.None )
{
g.GameGesture = ExGestureObject.GameGestureType.Tap;
}
else if ( g.GameGesture == ExGestureObject.GameGestureType.Drag )
{
g.GameGesture = ExGestureObject.GameGestureType.Pull;
g.EndPosition = worldEndPosition;
g.ScreenEnd = t.position;
}
}
else if ( t.phase == TouchPhase.Moved )
{
if ( g.GameGesture == ExGestureObject.GameGestureType.Down ||
g.GameGesture == ExGestureObject.GameGestureType.Drag ||
g.GameGesture == ExGestureObject.GameGestureType.None )
{
g.GameGesture = ExGestureObject.GameGestureType.Drag;
g.EndPosition = worldEndPosition;
g.ScreenEnd = t.position;
}
}
else if ( t.phase == TouchPhase.Stationary )
{
if ( g.GameGesture == ExGestureObject.GameGestureType.Down ||
g.GameGesture == ExGestureObject.GameGestureType.None )
{
if ( Time.time - g.StartTime > 2 )
{
g.GameGesture = ExGestureObject.GameGestureType.Hold;
}
else
{
g.GameGesture = ExGestureObject.GameGestureType.Down;
}
g.EndPosition = worldEndPosition;
g.ScreenEnd = t.position;
}
}
}
else
{
g = new ExGestureObject();
g.Initialize( ExGestureObject.GameGestureType.None, worldEndPosition, worldEndPosition, t.position, t.position, Time.time, t.fingerId );
gestures.Add( g.Id, g );
}
return g;
}
}
