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  • In order to animate the properties of

  • game objects in Unity we use the

  • Animator Component.

  • Animator components have a number of properties

  • which may differ depending on what you are animating.

  • For example, a 3D humanoid character

  • will require different settings than a 2D sprite.

  • Here we have a scene with a model in it.

  • The model has an animator component attached.

  • The first property of the animator component

  • stores a reference to an animator controller asset.

  • Animator controllers are Unity generated

  • assets that contain one or more state machines

  • which determine which animation is being played

  • while the scene is running.

  • These state machines can be on multiple layers

  • and use parameters of various types.

  • To affect when they transition between states

  • and blend.

  • For example

  • you can set the parameters of an

  • animator controller from your scripts to tell it

  • if the character is running, jumping

  • or shooting a gun.

  • It will then play and blend the animation

  • automatically.

  • The avatar is an asset that Unity creates

  • when importing a 3D humanoid.

  • It contains a definition of the

  • skeletal rig the character has.

  • When adding a character of this type to

  • your scene the avatar field will

  • automatically be filled in with an asset

  • created for that character.

  • Try to think of the avatar as the glue

  • that binds the model to be animated

  • to the animator.

  • For generic objects without skeletal

  • rigging an avatar is not required.

  • The Apply Root Motion field

  • determines whether the animation can affect

  • the transform of the game object

  • and is generally used with 3D humanoids.

  • Root Motion is the core movement

  • within an animation clip.

  • For example

  • imagine the difference between an animation

  • of a character running on the spot

  • verses one that is animated running a few

  • paces forward.

  • In the latter example

  • we can use the motion of the character moving

  • forward to drive the character

  • around in our game.

  • Looping that clip to give us realistic

  • continuous motion.

  • However, if you simply have

  • animations that run on the spot

  • you would uncheck Apply Root Motion

  • and instead move the character via script.

  • It is also possible to override this

  • property entirely.

  • This is done by creating a script with a

  • call to the onAnimatorMove function

  • and attaching it to your game object.

  • See the documentation link below

  • for more information on this.

  • Animate Physics can be either checked

  • or unchecked.

  • When it is checked it means that the

  • animations will be executed in time

  • with the physics engine.

  • Generally this is advised

  • if what ever you are animating

  • has a rigidbody.

  • The Culling Mode of an animator effects

  • whether or not the animations are being played

  • while they're not being rendered.

  • Always Animate means that the

  • animations will play even while not

  • being rendered.

  • Based On Renderers means that the

  • animation will only play while being rendered.

  • Meaning that when the character is

  • obscured from view animation will cease

  • to save performance.

  • With either option the root motion

  • is applied as it would normally.

  • That is if a character was being made

  • to walk with root motion applied

  • then they would continue to move even while

  • not being rendered so that the character

  • would end up in the correct place

  • when they became visible again.

  • Subtitles by the Amara.org community

In order to animate the properties of

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B2 animator character animation motion unity avatar

The Animator Component - Unity Official Tutorials

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    金参 posted on 2016/11/25
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