public void UpdateObjectState(DynamicObject obj)
{
var result = obj.Momentum + _GravityVector * GameCore.Delta;
var projection = _GravityVector.X.IsAlmostNull() ? _GravityVector.X : _GravityVector.Y;
if (Math.Abs(projection) <= SpeedLimit)
obj.Momentum = result;
}
public void UpdateObjectState(DynamicObject obj)
{
var coeff = (1 - _FrictionCoefficient*GameCore.Delta);
if((_Direction & FrictionDirection.Horizontal) != 0)
obj.Momentum.X *= coeff;
if ((_Direction & FrictionDirection.Vertical) != 0)
obj.Momentum.Y *= coeff;
}
public void UpdateObjectState(DynamicObject obj)
{
_TimeToLive -= GameCore.Delta;
if (_TimeToLive < 0)
{
obj.Remove();
GameCore.RegisterDeferredAction(() => obj.Behaviours.Remove<TimebombBehaviour>());
}
}
public void UpdateObjectState(DynamicObject obj)
{
_ElapsedTime += GameCore.Delta;
if (_ElapsedTime >= _FlipTime)
{
obj.TransparencyShift = (_FlipsLeft & 1) == 0 ? -1/_FlipTime : 1/_FlipTime;
_ElapsedTime = 0;
if(_FlipsLeft > 0)
_FlipsLeft--;
}
if (_FlipsLeft == 0)
GameCore.RegisterDeferredAction(() => obj.Behaviours.Remove<BlinkingBehaviour>());
}
public void UpdateObjectState(DynamicObject obj)
{
if (!_IsActivated)
{
obj.Position = _Points[0];
_IsActivated = true;
_Segment = new BezierSegment(_Points[0], _Points[1], _Points[2]);
}
if (IsFinished || (PauseBinding != null && PauseBinding()) || GameCore.Delta.IsAlmostNull())
return;
// calculate the desired momentum
var speed = obj.Speed;
var oldPoint = _Segment.CurrentPoint;
_Segment.Step(speed*GameCore.Delta);
var newPoint = _Segment.CurrentPoint;
var vector = newPoint - oldPoint;
if (vector.Length() > 0)
{
vector.Normalize();
obj.Momentum = vector*speed;
}
else
{
obj.Momentum = Vector2.Zero;
}
// advance to the next segment if needed
if (_Segment.IsFinished)
{
if (_CurrentPoint + 4 > _Points.Count)
{
IsFinished = true;
GameCore.RegisterDeferredAction(() =>
{
obj.Momentum = Vector2.Zero;
obj.Behaviours.Remove<BezierMovementBehaviour>();
}
);
return;
}
_CurrentPoint += 2;
_Segment = new BezierSegment(_Points[_CurrentPoint], _Points[_CurrentPoint + 1], _Points[_CurrentPoint+2]);
}
}
public void UpdateObjectState(DynamicObject obj)
{
var iObj = obj as InteractableObject;
if (iObj == null)
return;
var box = obj.GetBoundingBox(_Absolute);
if (obj.Momentum.X < 0 && box.Left <= _Rect.Left)
obj.Momentum.X = Math.Abs(obj.Momentum.X);
else if (obj.Momentum.X > 0 && box.Right >= _Rect.Right)
obj.Momentum.X = -Math.Abs(obj.Momentum.X);
else if (obj.Momentum.Y < 0 && box.Top <= _Rect.Top)
obj.Momentum.Y = Math.Abs(obj.Momentum.Y);
else if (obj.Momentum.Y > 0 && box.Bottom >= _Rect.Bottom)
obj.Momentum.Y = -Math.Abs(obj.Momentum.Y);
}
public void UpdateObjectState(DynamicObject obj)
{
if (_OriginalPosition == null)
_OriginalPosition = obj.Position;
_ElapsedTime += GameCore.Delta;
var time = 1/JitterRate;
if (_ElapsedTime > time)
{
_ElapsedTime -= time;
obj.Position = new Vector2(
_OriginalPosition.Value.X + Globals.RandomInt(-JitterAmount, JitterAmount),
_OriginalPosition.Value.Y + Globals.RandomInt(-JitterAmount, JitterAmount)
);
}
}
public void UpdateObjectState(DynamicObject obj)
{
if (!_ElapsedTime.HasValue)
return;
if (!_Applied)
{
if (_Effect == FadeEffect.Fade || _Effect == FadeEffect.ZoomAndFade || _Effect == FadeEffect.InverseZoomAndFade)
obj.AnimateProperty(AnimatableProperty.Transparency, 0, _Time, _Mode);
if (_Effect == FadeEffect.Zoom || _Effect == FadeEffect.ZoomAndFade || _Effect == FadeEffect.InverseZoomAndFade)
obj.AnimateProperty(AnimatableProperty.Scale, _Effect == FadeEffect.Zoom ? 0 : 2, _Time, _Mode);
_Applied = true;
}
_ElapsedTime += GameCore.Delta;
}
public void UpdateObjectState(DynamicObject obj)
{
if (!_InitialScale.HasValue)
{
_InitialScale = obj.Scale;
_InitialTransparency = obj.Transparency;
}
if (_Effect == FadeEffect.Fade || _Effect == FadeEffect.ZoomAndFade || _Effect == FadeEffect.InverseZoomAndFade)
{
obj.Transparency = 0;
obj.AnimateProperty(AnimatableProperty.Transparency, _InitialTransparency.Value, _Time, _Mode);
}
if (_Effect == FadeEffect.Zoom || _Effect == FadeEffect.ZoomAndFade || _Effect == FadeEffect.InverseZoomAndFade)
{
obj.Scale = _Effect == FadeEffect.InverseZoomAndFade ? 2 : 0;
obj.AnimateProperty(AnimatableProperty.Scale, _InitialScale.Value, _Time, _Mode);
}
GameCore.RegisterDeferredAction(() => obj.Behaviours.Remove<FadeInBehaviour>());
}
public void ActivateFadeOut(DynamicObject obj)
{
_ElapsedTime = 0;
}
public void ActivateFadeOut(DynamicObject obj)
{
_Handler(obj);
}
public void UpdateObjectState(DynamicObject obj) { }
/// <summary>
/// Set the particle's default properties.
/// </summary>
/// <param name="obj">Particle to tweak.</param>
protected virtual void tweakParticle(DynamicObject obj)
{
obj.Position = ParticleOrigin.GetValue();
obj.Momentum = Globals.CreateVector(ParticlePropulsion.GetValue(), ParticleAngle.GetValue());
obj.Behaviours.Add(new TimebombBehaviour(TimeToLive.GetValue()));
// speed optimization: disable touch support for particles
var itb = obj as InteractableObject;
if (itb != null)
itb.IsTouchable = false;
}