/// <summary>
/// Create a new scale animation.
/// </summary>
/// <param name="transformAnimator">The TransformAnimator of the transform to animate</param>
/// <param name="startScale">The start scale</param>
/// <param name="endScale">The end scale</param>
/// <param name="speed">The speed of the animation. When the scale has a difference of 1 unit with the speed of 1 it takes 1 second to animate </param>
/// <param name="easeFunction">The ease functions to use for the interpolation</param>
/// <returns>it self</returns>
public static TransformAnimatorSpeedSequence CreateScaleAnimation(TransformAnimator transformAnimator,
Vector3 startScale, Vector3 endScale, float speed, Func <float, float> easeFunction = null)
{
easeFunction = WhenNullUseDefault(easeFunction);
var dist = Vector3.Distance(startScale, endScale);
return(new TransformAnimatorSpeedSequence(speed, dist,
t => transformAnimator.Transform.localScale = Vector3.Lerp(startScale, endScale, easeFunction(t))));
}
/// <summary>
/// Create a new rotation animation.
/// </summary>
/// <param name="transformAnimator">The TransformAnimator of the transform to animate</param>
/// <param name="startRotation">The start rotation</param>
/// <param name="endRotation">The end rotation</param>
/// <param name="speed">The speed of the animation. When the rotation distance is 1 Euler angle and the speed is 1 second the animation will take 1 second.</param>
/// <param name="easeFunction">The ease functions to use for the interpolation</param>
/// <returns>it self</returns>
public static TransformAnimatorSpeedSequence CreateRotationAnimation(TransformAnimator transformAnimator,
Quaternion startRotation, Quaternion endRotation, float speed, Func <float, float> easeFunction = null)
{
easeFunction = WhenNullUseDefault(easeFunction);
var dist = Quaternion.Angle(startRotation, endRotation);
return(new TransformAnimatorSpeedSequence(speed, dist,
t => transformAnimator.Transform.rotation =
Quaternion.Lerp(startRotation, endRotation, easeFunction(t))));
}
/// <summary>
/// Create a custom animation.
/// <remarks>
/// The t value of the animation is calculated as follow: <code>travelTime * speed / travelDistance</code>
/// </remarks>
/// </summary>
/// <param name="transformAnimator">The TransformAnimator of the transform to animate</param>
/// <param name="animation">The action to call every step. The step will get the t [0,1] value as a parameter.</param>
/// <param name="speed">The speed of the animation.</param>
/// <param name="distance">The distance the animation needs to travel.</param>
/// <param name="easeFunction">The ease functions to use for the interpolation</param>
/// <returns>it self</returns>
public static TransformAnimatorSpeedSequence CreateCustomAnimation(TransformAnimator transformAnimator,
Action <float> animation, float speed, float distance, Func <float, float> easeFunction = null)
{
easeFunction = WhenNullUseDefault(easeFunction);
return(new TransformAnimatorSpeedSequence(speed, distance, t => animation?.Invoke(easeFunction(t))));
}
/// <summary>
/// Create a new instance
/// </summary>
/// <param name="transformAnimator">The transform animator for the transform</param>
/// <param name="duration">Duration of the animations</param>
public TransformAnimatorDurationSequence(TransformAnimator transformAnimator, float duration) : base(duration)
{
_transformAnimator = transformAnimator;
}
/// <summary>
/// Create a transform animation
/// </summary>
/// <param name="transform">The transform to animate</param>
/// <returns>A transform animation</returns>
public static TransformAnimator Animate(this Transform transform)
{
return(TransformAnimator.Create(transform));
}
