Unity Platformer Tutorial - Part 4 - Enemy Movement
In part 4 of this Unity3D tutorial we add Enemy AI. The enemy will walk from edge to edge of a platform as long as it's alive. This sort of enemy movement can be seen in many 2D Platformer games like Mario.
There is a dependency on the toVector2 function we wrote here: • Unity Extension Method Tutorial
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Time Breakdown:
0:30 - Updating API from Unity 4.6 to Unity 5
1:45 - Setting up the enemy sprites
2:38 - Locking Layers to avoid accidentally selecting the Canvas
3:40 - Setting up the Enemy walk anim
4:38 - Begin Enemy script
6:56 - Explanation of why we need myWidth for Linecast
9:10 - Setting up isGrounded Linecast check
12:35 - Use isGrounded check to flip the enemy if he gets to an edge
15:52 - Changing move direction to be in local space to the enemy
16:45 - Adding an isBlocked check for hitting walls
17:21 - Using ExtensionMethod .toVector2() to add a Vector2 and a Vector3: • Unity Extension Method Tutorial
20:20 - Using myHeight to Linecast from middle left of enemy instead of bottom left corner
22:24 - Demonstration of enemy movement fully working
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