GLM: function taking degrees as a parameter is deprecated (WHEN USING RADIANS)

c++ game-engine glm-math degrees radians
HarrisonG16 picture HarrisonG16 · May 30, 2014 · Viewed 12.8k times · Source

Currently using VC++ 11 with SDL2, GLM, and GLEW. The issue is stemming from GLM when I attempt to do two things: Create a rotation matrix, create a perspective camera matrix (3D).

The error is: "GLM: perspective function taking degrees as a parameter is deprecated" despite the fact that I am passing radians (as floats) to both functions. It says I should define something like "#define GLM_FORCE_RADIANS." Is that really necessary?

Personally I use degrees for everything, but OpenGL, so having to convert back and forth (for AI movement and what not) is a pain and actually causes a spike in CPU when I have many NPCs moving.

Answer

alexX AleX alexge50 picture alexX AleX alexge50 · Jun 26, 2015

Instead of manual transformation you can use 

glm::radians(degrees) // from degrees to radians.

Or 

glm::degrees(radians) // from radians to degrees.

For further information about glm's trigonometry functions consult this page: http://glm.g-truc.net/0.9.4/api/a00136.html#ga4fb76e28851c9ff6653532566084e091

Related questions

Handling entities in a game

As a small exercise I am trying to write a very small, simple game engine that just handles entities (moving, basic AI etc.) As such, I am trying to think about how a game handles the updates for all of …

Read More
Visual Scripting vs Coding

Happy Thanksgiving, First of All, I have been searching to know if Visual Scripting is a new thing that have been made for game engines. Let me show you some example of visual Scripting the other thing is just regular …

Read More
How to log a message from a string variable in Unreal Engine?

I am trying to log a message form a string variable , below is the code I used std::string s = "ss";//std::to_string(FPaths::GetPath("../")); UE_LOG(LogTemp, Warning, *s); but it's not working, Can someone tell me how …

Read More