Tagged Questions

2
votes
1answer
54 views

Rotating and Translating a Node in Horde3D with Matrices and Quaternions

I have been trying to learn how to use the Horde3D rendering engine for the past couple of days, and so far I have managed to learn a decent amount and integrate Bullet Physics with it as well. My ...
0
votes
1answer
544 views

Rotating Objects in OpenGL: glRotate or Quaternions?

I'm coding my first engine and I'm trying to have performance in mind since I'll probably use it for mobiles, and I have this question, should you use glRotate or Quaternions for rotating objects in ...
2
votes
1answer
643 views

Quaternion Camera Orbiting around a Sphere

Background: I'm trying to create a game where the camera is always rotating around a single sphere. I'm using the DirectX D3DX math functions in C++ on Windows. The Problem: I cannot get both the ...
1
vote
0answers
164 views

Smooth Camera Offsets

I am attempting to implement a sort of, smooth camera that has angle offsets from the player as they turn, creating a cinematic effect as well as visual feedback for when the player turns. Here is an ...
4
votes
5answers
1k views

Rotating vector3 by a quaternion

I am attempting to rotate a vector3 by a given quaternion. I know that this is true v' = q * v * (q^-1) I know that q^(-1) is the inverse which just -q/magnitude(q), but how do I map the ...