/**
* Checks to see if some <code>FlxObject</code> object overlaps this <code>FlxObject</code> object.
*
* @param Object The object being tested.
*
* @return Whether or not the two objects overlap.
*/
virtual public bool overlaps(FlxObject Object)
{
_point = getScreenXY();
float tx = _point.X;
float ty = _point.Y;
_point = Object.getScreenXY();
if ((_point.X <= tx - Object.width) || (_point.X >= tx + width) || (_point.Y <= ty - Object.height) || (_point.Y >= ty + height))
{
return(false);
}
return(true);
}
/**
* Internal function that performs the actual logical updates to the sound object.
* Doesn't do much except optional proximity and fade calculations.
*/
protected void updateSound()
{
if (_position != 0)
{
return;
}
float radial = 1.0f;
float fade = 1.0f;
if (_sound.State != SoundState.Playing)
{
active = false;
}
//Distance-based volume control
if (_core != null)
{
Vector2 _point = new Vector2();
Vector2 _point2 = new Vector2();
_point = _core.getScreenXY();
_point2 = getScreenXY();
float dx = _point.X - _point2.X;
float dy = _point.Y - _point2.Y;
radial = (float)(_radius - Math.Sqrt(dx * dx + dy * dy)) / _radius;
if (radial < 0)
{
radial = 0;
}
if (radial > 1)
{
radial = 1;
}
if (_pan)
{
float d = -dx / _radius;
if (d < -1)
{
d = -1;
}
else if (d > 1)
{
d = 1;
}
if (_sound != null)
{
_sound.Pan = d;
}
}
}
//Cross-fading volume control
if (_fadeOutTimer > 0)
{
_fadeOutTimer -= FlxG.elapsed;
if (_fadeOutTimer <= 0)
{
if (_pauseOnFadeOut)
{
pause();
}
else
{
stop();
}
}
fade = _fadeOutTimer / _fadeOutTotal;
if (fade < 0)
{
fade = 0;
}
}
else if (_fadeInTimer > 0)
{
_fadeInTimer -= FlxG.elapsed;
fade = _fadeInTimer / _fadeInTotal;
if (fade < 0)
{
fade = 0;
}
fade = 1 - fade;
}
_volumeAdjust = radial * fade;
updateTransform();
}
/**
* Checks to see if some <code>FlxObject</code> object overlaps this <code>FlxObject</code> object.
*
* @param Object The object being tested.
*
* @return Whether or not the two objects overlap.
*/
public virtual bool overlaps(FlxObject Object)
{
_point = getScreenXY();
float tx = _point.X;
float ty = _point.Y;
_point = Object.getScreenXY();
if((_point.X <= tx-Object.width) || (_point.X >= tx+width) || (_point.Y <= ty-Object.height) || (_point.Y >= ty+height))
return false;
return true;
}
