Top "Quaternions" questions

Unit quaternions are a mathematical representation of 3D rotations.

Calculate bounds of a box including rotation

I am working on collision system for my game that uses custom colliders. I used this to create bounding box …

unity3d rotation quaternions bounds qvector3d
Get quaternion from Android gyroscope?

The official development documentation suggests the following way of obtaining the quaternion from the 3D rotation rate vector (wx, wy, …

android quaternions gyroscope
Calculate Quaternion Inverse

Hi i'm trying to figure out how to calculate the inverse of a quaternion. A code example would be awesome. …

quaternions inverse
Unity3D Slerp rotation speed

I'm using Unity3D. I'd like to rotate an object to face the direction of the mouse pointer, but allow …

c# rotation unity3d quaternions linear-interpolation
Using quaternion instead of roll, pitch and yaw to track device motion

Please bear with my long question, I am trying to make it as clear as possible. What i am trying …

iphone ios objective-c quaternions core-motion
Combining multiple transformations in Eigen into one transformation matrix

I have several transformations in Eigen, in the form of translations (Eigen::Vector3f) and rotations (Eigen::Quaternionf). I would …

c++ transformation eigen quaternions affinetransform
Euler angles vs. Quaternions - problems caused by the tension between internal storage and presentation to the user?

Quaternions are arguably an appropriate choice for representing object rotations internally. They are simple and efficient to interpolate and represent …

user-interface animation 3d quaternions euler-angles
Quaternion (0,0,0,0) signifies what

After performing quaternion multiplication I am getting (0,0,0,0). Could anyone let me know what it signifies. (1 0 0 0) - Identity quaternion, no rotation, (0 1 0 0) …

math rotation quaternions
How to interpolate rotations?

I have two vectors describing rotations; a start rotation A and a target rotation B. How would I best go …

math 3d matrix rotation quaternions
How to get the euler-angles from the rotation vector (Sensor.TYPE_ROTATION_VECTOR)

I rotated my android device in x direction (from -180 degree to 180 degree), see image below. And I assume only …

android rotation orientation quaternions gyroscope