private void CreateAndStartAnimations()
{
// Get the scene nodes that we want to animate using their names (as defined
// in the .fbx file).
_frontWheelLeft = _tank.GetSceneNode("l_steer_geo");
_frontWheelLeftRestPose = _frontWheelLeft.PoseLocal;
_frontWheelRight = _tank.GetSceneNode("r_steer_geo");
_frontWheelRightRestPose = _frontWheelRight.PoseLocal;
_hatch = _tank.GetSceneNode("hatch_geo");
_hatchRestPose = _hatch.PoseLocal;
_turret = _tank.GetSceneNode("turret_geo");
_turretRestPose = _turret.PoseLocal;
_cannon = _tank.GetSceneNode("canon_geo");
_cannonRestPose = _cannon.PoseLocal;
// Create and start some animations. For general information about the DigitalRune Animation
// system, please check out the user documentation and the DigitalRune Animation samples.
// The front wheel should rotate left/right; oscillating endlessly.
var frontWheelSteeringAnimation = new AnimationClip <float>(
new SingleFromToByAnimation
{
From = -0.3f,
To = 0.3f,
Duration = TimeSpan.FromSeconds(3),
EasingFunction = new SineEase {
Mode = EasingMode.EaseInOut
}
})
{
Duration = TimeSpan.MaxValue,
LoopBehavior = LoopBehavior.Oscillate,
};
AnimationService.StartAnimation(frontWheelSteeringAnimation, _frontWheelSteeringAngle)
.AutoRecycle();
// The hatch opens using a bounce ease.
var bounceOpenAnimation = new SingleFromToByAnimation
{
By = -0.8f,
Duration = TimeSpan.FromSeconds(1),
EasingFunction = new BounceEase {
Mode = EasingMode.EaseOut
}
};
// Then it should close again.
var bounceCloseAnimation = new SingleFromToByAnimation
{
By = 0.8f,
Duration = TimeSpan.FromSeconds(0.5f),
};
// We combine the open and close animation. The close animation should start
// 2 seconds after the open animation (Delay = 2) and it should stay some
// time in the final position (Duration = 2).
var bounceOpenCloseAnimation = new TimelineGroup
{
bounceOpenAnimation,
new TimelineClip(bounceCloseAnimation)
{
Delay = TimeSpan.FromSeconds(2), Duration = TimeSpan.FromSeconds(2)
},
};
// The bounceOpenCloseAnimation should loop forever.
var hatchAnimation = new TimelineClip(bounceOpenCloseAnimation)
{
Duration = TimeSpan.MaxValue,
LoopBehavior = LoopBehavior.Cycle,
};
AnimationService.StartAnimation(hatchAnimation, _hatchAngle)
.AutoRecycle();
// The turret rotates left/right endlessly.
var turretAnimation = new AnimationClip <float>(
new SingleFromToByAnimation
{
From = -0.5f,
To = 0.5f,
Duration = TimeSpan.FromSeconds(4),
EasingFunction = new HermiteEase {
Mode = EasingMode.EaseInOut
}
})
{
Duration = TimeSpan.MaxValue,
LoopBehavior = LoopBehavior.Oscillate,
};
AnimationService.StartAnimation(turretAnimation, _turretAngle)
.AutoRecycle();
// The cannon rotates up/down endlessly.
var cannonAnimation = new AnimationClip <float>(
new SingleFromToByAnimation
{
By = -0.7f,
Duration = TimeSpan.FromSeconds(6),
EasingFunction = new HermiteEase {
Mode = EasingMode.EaseInOut
}
})
{
Duration = TimeSpan.MaxValue,
LoopBehavior = LoopBehavior.Oscillate,
};
AnimationService.StartAnimation(cannonAnimation, _cannonAngle)
.AutoRecycle();
}