Derived from Kirill Muzykov’s Rocket Mouse Tutorial WakeUpAndCode.com

Select “Run” Sprite

(Sprite Editor pops up!)

1. Click Slice dropdown 2. Set Type to “Grid” 3. Set Pixel Size X = 156 Y = Click Slice button

Click “Apply” then, close popup

Separate sprites for each frame

Click on Animation tab

Right-click Assets, click Create  FolderName it “Animations”

Select “Cat”

In Animation tab, Click dropdown… Create New Clip (twice) run fly

Save “run.anim“Save “fly.anim“

Verify: Cat animation fly clip run clip

Select “Cat” Verify “Animator”

Click “run” animation in dropdown

Expand “Run” animation in “Sprites” folder

Click first frame, press Shift on your keyboard, click last frame

Drag frames into “run” animation

Click “fly” animation in dropdown

Expand “Fly” animation in “Sprites” folder (notice that there’s only 1 frame)

Click Fly frame

Drag frame into “fly” animation

Click “red dot” recording icon to stop recording animations (or just Save)

The cat runs like crazy!!! Run

Update “Sample” to 8

Uncheck Apply Root Motion Change Update Mode to “Animate Physics”

The cat runs slower now, but is still running in the air! Run

Click on Animator tab

Right-click “run” animation, then click “Make Transition”

Click “fly” animation to finish creating the transition

Now, right-click “fly” animation, then click “Make Transition”

Click “run” animation to finish creating the transition

Click + next to Parameters (lower left of Animator tab) Choose “Bool” (which is of type Boolean) Name it “grounded”

Select run  fly animation Select “grounded” under Conditions Set to “false”

Select fly  run animation Select “grounded” under Conditions Set to “true”

Optional: Check/uncheck “grounded”, then play the game to test the animations Run

Verify new Game Object

Drag GameObject into “Cat”, verify that it is a child of “Cat”, rename to “GroundCheck”

Set Transform Position for “groundCheck” X = 0 Y = -0.7 Z = 0

Click icon symbol to select a color, e.g. green

Verify “groundCheck” game object

Expand “mount1” prefab, select “Floor”

In Inspector panel, click Layer dropdown to Add Layer…

Enter “Ground” for User Layer 8

Update Layer to “Ground”

Add 4 instance variables before Start() method

Add 1 line of code inside Start() method

Add new method UpdateGroundedStatus … just before class ends at the bottom

Add 1 line of code … just before FixedUpdate() ends

Select cat in Hierarchy Verify 2 new public items under Cat Controller script

With Cat selected… Drag “groundCheck” into Ground Check Transform

With Cat selected… set Ground Check Layer Mask to “Ground”

Add 1 line of code just before Start() method

Add new method AdjustJetpack() … just before class ends at the bottom

Add 1 line of code … just before FixedUpdate() ends

With Cat selected… drag “jetpackFlames” into Jetpack

Run The cat should run only while on the ground The jetpack particles should only be visible while in the air