Game Developer
Gameplay programming questions
39 questions on Gameplay programming for game developers, easiest first.
Easy 11
- Frame-rate independent movementeasy
- Faster diagonal movementeasy
- Basic game loopeasy
- Checking if the player is groundedeasy
- Awake or Start firsteasy
- Input actions instead of keyseasy
- What deltaTime iseasy
- Button drifts on other screenseasy
- Shared stats for many enemieseasy
- Sound with no directioneasy
- Per-frame code in Unrealeasy
Medium 14
- Fixed timestep with an accumulatormedium
- Enemy pathfindingmedium
- Messy player codemedium
- Behaviour tree selectormedium
- A* heuristic that overestimatesmedium
- Memory keeps growing with Addressablesmedium
- Server RPC is ignoredmedium
- OnRep not running on the hostmedium
- Why fast games use UDPmedium
- Old save files break after a patchmedium
- Sharing a generated levelmedium
- Spiky random terrainmedium
- Textures use too much memory on mobilemedium
- Timer text slows the whole HUDmedium
Hard 14
- Responsive movement with an authoritative serverhard
- Hits that looked right but missedhard
- Lockstep desynchard
- Choppy remote playershard
- Game slows to a crawl after a hitchhard
- How rollback netcode workshard
- Bandwidth grows with player counthard
- Client reports its own damagehard
- Main menu loads the whole gamehard
- Alpha-tested foliage on mobilehard
- Friends cannot join a hosted gamehard
- Agents bump into each otherhard
- Free gems from fake purchaseshard
- Estimating server time on a clienthard