public Leaf(GameManager gameManager, Screen screen)
: base(gameManager, screen)
{
_gameScreen = (GameScreen)screen;
_texture = gameManager.Content.Load<Texture2D>("Textures/circle_white_320");
_selectedTexture = gameManager.Content.Load<Texture2D>("Textures/circle_edge_white_320");
_radius = Config.settings["Leaf.Radius"];
_normalRadius = _radius;
_drawRadius = _radius;
_parents = new List<Leaf>();
_children = new List<Leaf>();
_pulseDrain = 1;
_pulseStrength = 0;
_pulseStage = PulseStage.Done;
_radiusScaleVelocity = 0;
_doingRadiusAnimation = false;
_targetRadius = 1;
_drawScale = _radius/_texture.Width * 2;
_selectedTextureScale = _normalRadius/_selectedTexture.Width * 2;
_pulseSmallRadius = Config.settings["Leaf.PulseSmallRadius"];
_pulseLargeRadius = Config.settings["Leaf.PulseLargeRadius"];
_pulseSmallOutDuration = Config.settings["Leaf.PulseSmallOutDuration"];
_pulseSmallInDuration = Config.settings["Leaf.PulseSmallInDuration"];
_pulseLargeOutDuration = Config.settings["Leaf.PulseLargeOutDuration"];
_pulseLargeInDuration = Config.settings["Leaf.PulseLargeInDuration"];
_lifeLossPerSecond = Config.settings["Leaf.LifeLossPerSecond"];
_maxLife = Config.settings["Leaf.MaxLife"];
_pulsePassOnTime = Config.settings["Leaf.PulsePassOnTime"];
_lastPulseTime = 0;
_life = _maxLife;
_doPulsePassOn = false;
isSelected = false;
_distToColors = new float[GameManager.NUM_COLORS];
_isEating = false;
for (int i = 0; i < GameManager.NUM_COLORS; i++)
_distToColors[i] = -1;
}
/// <summary>
/// Should be called every update tick to update the scale animation.
/// Animation parameters are set with 'setTargetScale'.
/// </summary>
/// <param name="dT"></param>
public virtual void updateScaleAnimation(float dT)
{
if (_doingRadiusAnimation)
{
_drawRadius += _radiusScaleVelocity * dT;
_drawScale = _drawRadius/_texture.Width * 2;
if ((_radiusScaleVelocity > 0 && _drawRadius >= _targetRadius) ||
(_radiusScaleVelocity < 0 && _drawRadius <= _targetRadius))
{
_drawRadius = _targetRadius;
_doingRadiusAnimation = false;
switch (_pulseStage)
{
case PulseStage.outSmall:
_pulseStage = PulseStage.inSmall;
setTargetRadius(_normalRadius, _pulseSmallInDuration);
break;
case PulseStage.inSmall:
_pulseStage = PulseStage.outLarge;
setTargetRadius(_pulseLargeRadius, _pulseLargeOutDuration);
break;
case PulseStage.outLarge:
_pulseStage = PulseStage.inLarge;
setTargetRadius(_normalRadius, _pulseLargeInDuration);
break;
case PulseStage.inLarge:
_pulseStage = PulseStage.Done;
break;
}
}
}
}
/// <summary>
/// Initiates a pulse.
/// </summary>
/// <param name="pulseStrength">Determines how far the pulse travels through the children.</param>
public virtual void pulse(int pulseStrength)
{
_pulseStrength = pulseStrength;
if (pulseStrength > 0)
{
_lastPulseTime = GameManager.CURRENTTIME;
_doPulsePassOn = true;
_life = _maxLife;
_pulseStage = PulseStage.outSmall;
setTargetRadius(_pulseSmallRadius, _pulseSmallOutDuration);
}
}
