HTC Vive Tracker - Page 33

Vive Tracker
Developer Guidelines
HTC Corporation 07/17/2017
V
er.
1.5
30
HTC Confidential and Proprietary
An example of using a gun as an accessory is described in the figure below:
Figure: Example to integrate accessory and Vive Tracker
Pitch : Angle that rotate around x axis in degrees
Yaw : Angle that rotate around y axis in degrees
Roll : Angle that rotate around z axis in degrees
D
x
: Center distance of x axis between accessory and tracker
D
y
: Center distance of y axis between accessory and tracker
D
z
: Center distance of z axis between accessory and tracker
Content developers can collect the above information and transform Tracker pose to accessory
pose.
Assume Tracker rotation matrix is 

, accessory rotation matrix 

=

__
∗ 

.
And accessory position 

= 

+ 

*