- 3D coordinate space is defined by x-, y-, and z-axes.
- Objects and lights in a room set the scene.
- The player in a first-person scene is essentially a camera.
- Movement code applies small transforms repeatedly in every frame.
- FPS controls consist of mouse rotation and keyboard movement.
- Taking aim and firing, both for the player and for enemies
- Detecting and responding to hits
- Making enemies that wander around
- Spawning new objects in the scene
- A ray is an imaginary line projected into the scene.
- Raycasting operations are useful for both shooting and sensing obstacles.
- Making a character wander around involves basic AI.
- New objects are spawned by instantiating prefabs.
- Coroutines are used to spread out functions over time.
- Understanding art assets used in game development
- Building prototype levels through whiteboxing
- Using 2D images in Unity
- Importing custom 3D models
- Crafting particle effects