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In this video we're going to setup our

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player animator controller so that

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we can control what animation

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is playing via a script.

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The first thing that we're going to do is to add

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the player prefab back to the hierarchy.

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Let's go to Prefabs

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select the player and drag to the hierarchy.

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Next we're going to open our player animator controller.

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Let's go to Animations

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Animator Controllers

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and double click Player.

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Here we have the animations that we created

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earlier which have been added to the animator

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controller has states.

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Let's lay these out so that we can see them a little more

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clearly and we'll move the PlayerIdle up,

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the PlayerChop will be over here and

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the PlayerHit will be over here.

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The PlayerIdle is orange because it's the default state.

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So when the game starts playing

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the player's idle animation is going to play.

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What we're going to do is setup the transitions

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when the PlayerIdle animation will stop playing and will

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transition to either the Chop animation,

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when the player attacks a wall,

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or to the Hit animation when the player

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is attacked by an enemy.

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The first thing that we're going to want to do is setup

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some parameters which are going to

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be what we're going to use to trigger

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those animations from our scripts.

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You may need to click the Parameters button to

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make the parameters visible,

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and then we'll hit the + button

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and add a parameter of the type trigger.

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This first one is going to be called playerChop.

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A trigger is like a boolean except it will

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immediately be reset after it's used in a transition.

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So it's a boolean that's going to remain true

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for the frame in which it's called

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and then become false again.

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We're going to create another one called playerHit.

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Next we want to create some transitions between our states.

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Let's right click PlayerIdle,

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select Make Transition,

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and drag to our PlayerChop state.

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We're then going to right click on PlayerChop

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and make a transition back from

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PlayerChop to PlayerIdle.

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This means that PlayerIdle can transition

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to PlayerChop and PlayerChop

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can then transition back to PlayerIdle.

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We'll click on the transition from PlayerIdle to

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PlayerChop to make it visible in the inspector.

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The transition from PlayerIdle to PlayerChop

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is not going to have an exit time.

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We're going to uncheck Has Exit Time.

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What this means is that we're not going to wait

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for the PlayerIdle animation to finish

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or to reach any certain point before we can

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transition to PlayerChop.

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We're going to want the transition to happen

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abruptly from PlayerIdle to PlayerChop

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regardless of where we are in the Idle animation.

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We're also going to open the settings and

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set the transition duration to 0.

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We're going to use a transition duration of 0

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when we're working with sprite-based animation.

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When we're working with 3D animation

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it's common that we may want to blend

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between animation states

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but with sprite-based animation that's not possible

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so we're going to want to immediately transition

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from one state to another.

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Next we're going to determine what is going

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to cause this transition to happen.

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In our list of conditions here we're going to click

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the + button to add a new condition

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which will determine when the transition

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will be made.

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A list of conditions will appear here,

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in this case PlayerChop, which is the

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default is actually the condition that we want.

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If we wanted to change it we could choose from the list

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and choose either PlayerChop or PlayerHit.

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Now when the PlayerChop trigger is

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set from our player script we'll

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transition from PlayerIdle to PlayerChop.

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For our transition from PlayerChop

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back to PlayerIdle here we're going to keep

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Has Exit Time active but we're going

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to set it to 1, meaning that the PlayerChop

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animation is going to need to be completely

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finished before we're going to transition

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back to PlayerIdle.

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We're also going to set the transition duration here to 0.

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Because we set Has Exit Time

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to true from PlayerChop

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to PlayerIdle we're not going to

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need any additional conditions,

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the transition will be made

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when the exit time is reached.

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Let's setup the same things for PlayerHit.

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We'll select PlayerIdle,

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choose Make Transition,

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and drag to PlayerHit.

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We'll click on PlayerHit, right click,

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choose Make Transition,

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and transition back to PlayerIdle.

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We'll highlight the transition from PlayerIdle

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to PlayerHit, and here we're going to set

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Has Exit Time to false

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because we want to interrupt the

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PlayerIdle animation whenever the player is hit.

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And we're going to set our transition duration again to 0.

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In our list of conditions we're going to hit the + button,

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and select PlayerHit from the drop down.

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For our transition back to PlayerIdle.

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We're going to use Has Exit Time because

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we want the animation to finish playing

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setting Exit Time to 1 because we want it to

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transition at the end of the animation,

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and we're going to set the transition duration to 0.

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Before we move on we're going to give this a quick test.

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Let's temporarily dock the animator window

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down here on the bottom of the screen.

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Play our game, and what we'll do

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is we're going to manually fire the

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triggers and see what happens.

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First we'll try PlayerChop.

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And then we'll try PlayerHit.

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Excellent, so we can see that those are working.

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Now that we've got our player animator controller working

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we're going to move on in the next video

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to writing the player script.