llRot2Fwd

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/LSL

Rot2Fwd

llRot2Fwd

Summary

Function: vector llRot2Fwd( rotation q );

0.0	Forced Delay
10.0	Energy

Computes the orientation of the local x-axis relative to the earth.
Returns a vector that is the forward vector defined by q, i.e. a unit vector pointing in the local positive X direction.

• rotation

q

Can be useful to identify the orientation of the local frontal-plane of the prim, since it's x-axis is always perpendicular to this local frontal plane.

Specification

Mathematically equivalent to: <lsl>ret = llVecNorm(<1., 0., 0.> * q);</lsl> If q is known to be a unit quaternion then it can be simplified as: <lsl>ret = <1., 0., 0.> * q;</lsl>

Examples

See Also

Functions

•	llRot2Left
•	llRot2Up
•	llRot2Axis
•	llRot2Angle

Deep Notes

Signature
function vector llRot2Fwd( rotation q );