Unity3d interview questions

1. Describe the types of game animations and their principles.

2. How Alpha blend works

3. Formula for Calculating diffuse in write illumination Calculation

4. What is the level of detail, what are the advantages and disadvantages?

5. Working Principle of two shadow judgment methods

6. What is mipmap? Role?

7. How can I achieve 2D games with U3D?

8. What is the difference between a collision generator and a trigger in U3D?

9. Necessary Conditions for collision of Objects

10. Differences between charactercontroller and Rigidbody

11. when an object is collided, there are several stages, corresponding functions

12. In U3D, several ways of applying force are described.

13. What is chain joint?

14. What is the function used for self-rotation of an object?

15. What is the function used to rotate an object around a certain point?

16. U3D provides a class for saving and reading data (playerprefs). Please list the functions for saving and reading integer data.

17. unity3d provides several types of light sources:

18. unity3d has a lifecycle from wake-up to destruction. list several important methods called by the system.

19. Which system function is physical update generally used?

20. In which function is the Mobile Camera Action and why.

21. How do we save memory when the game needs to frequently create an object.

22. In a scenario where multiple camera servers are active at the same time, what will happen?

23. Briefly describe the use and environment of prefab

24. How to destroy an unityengine. object and its subclass

25. Why is data loss on components in U3D?

26. How to securely migrate asset data in different projects in U3D