Difference between revisions of "LlGetRootRotation"
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* This function incorrectly (but usefully) returns the avatars region rotation when called in an attachment, use the following instead: | * This function incorrectly (but usefully) returns the avatars region rotation when called in an attachment, use the following instead: | ||
< | <source lang="lsl2"> | ||
// if called only from the root | // if called only from the root | ||
llGetLocalRot(); | llGetLocalRot(); | ||
| Line 18: | Line 18: | ||
// this alternative works correctly in all scenarios | // this alternative works correctly in all scenarios | ||
llList2Rot( llGetLinkPrimitiveParams( !!llGetLinkNumber(), [PRIM_ROT_LOCAL] ), 0 ); | llList2Rot( llGetLinkPrimitiveParams( !!llGetLinkNumber(), [PRIM_ROT_LOCAL] ), 0 ); | ||
</ | </source> | ||
|constants | |constants | ||
|examples= | |examples= | ||
Simple example to set region rotation of child prim in unattached link set | Simple example to set region rotation of child prim in unattached link set | ||
< | <source lang="lsl2"> | ||
default | default | ||
{ | { | ||
| Line 32: | Line 32: | ||
} | } | ||
} | } | ||
</ | </source> | ||
|helpers | |helpers | ||
|also_functions= | |also_functions= | ||
Latest revision as of 01:49, 22 January 2015
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Summary
Function: rotation llGetRootRotation( );| 0.0 | Forced Delay |
| 10.0 | Energy |
Returns a rotation that is the region rotation of the root prim of the object.
Caveats
- Returns an accurate facing for Avatars seated or in mouselook, but only a rough direction otherwise when called from an attached prim.
- When a seated avatar is in mouselook, its rotation is affected by the camera's rotation. There is no way to get the actual rotation of an avatar while seated in mouselook.
- This function incorrectly (but usefully) returns the avatars region rotation when called in an attachment, use the following instead:
// if called only from the root
llGetLocalRot();
// if called from in a linked object
llList2Rot( llGetLinkPrimitiveParams( LINK_ROOT, [PRIM_ROT_LOCAL] ), 0 );
// this alternative works correctly in all scenarios
llList2Rot( llGetLinkPrimitiveParams( !!llGetLinkNumber(), [PRIM_ROT_LOCAL] ), 0 );
Examples
Simple example to set region rotation of child prim in unattached link set
default
{
state_entry()
{
//Rotate 45 degrees about Y-axis
rotation globalRot = llEuler2Rot(<0.0, 45.0, 0.0> * DEG_TO_RAD);
llSetLocalRot(globalRot / llGetRootRotation());
}
}
Notes
In an attached object, returns region rotation of avatar NOT of the object's root prim. See special cases of rotation.
See Also
Functions
| • | llGetRot | |||
| • | llGetLocalRot | |||
| • | llGetPrimitiveParams | |||
| • | llGetLinkPrimitiveParams |
Deep Notes
Signature |
|---|
function rotation llGetRootRotation(); |