Make player explode

* Add Explode script
Add other sized spikes
Add body part object

* Move body parts sprite sheet to resources
Add body part script and prefab
Add body parts loop to Explode script
Make player explode into body parts
Add AlienAStaging scene
Add Alien A to scene

* Add AlienAAnimation
Make Alien A move forward
Add LookForward script
Add sight line to alien
Make alien A turn around when it sees obstacles

* Make AlienA prefab
Keep alien from falling off platform
Add player to alien scene
Remove debug logging from LookForward script
Make player blow up when hitting alien
Update player prefab
Make aliens collide correctly