Game math and physics
32 practice items · needed by 2 roles
Easy 14Medium 11Hard 7
Practice questions
- Animation stutters while JS is busyhard
- Is the enemy in front of the playereasy
- Faster diagonal movementeasy
- Where to apply physics forceseasy
- Collecting a coineasy
- Checking if the player is groundedeasy
- Value returned by Lerpeasy
- Length of a 2D vectoreasy
- Sine of 90 is not 1easy
- Two boxes overlappingeasy
- Local vs world positioneasy
- Bullets hitting their shootereasy
- Switching from idle to runeasy
- What a surface normal iseasy
- Kinematic rigidbodyeasy
- Is the target on the left or rightmedium
- Why quaternions for rotationmedium
- Fixed timestep with an accumulatormedium
- Camera smoothing changes with FPSmedium
- Fast projectile passes through wallsmedium
- Rotate turns the wrong waymedium
- Raycast ignores the Ground layermedium
- Feet slide during the walkmedium
- Feet floating on stairsmedium
- Spiky random terrainmedium
- Rotation reads back as 350medium
- Order of a TRS matrixhard
- Flickering distant surfaceshard
- Game slows to a crawl after a hitchhard
- Slerp spins the long way roundhard
- Angle between vectors is NaNhard
- Two hundred animated charactershard