Difference between revisions of "LlGetCameraPos"

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(Added caveat about reported position not being at the center of the screen, but at the top right.)
(Undo revision 1210800 by Jenna Huntsman (talk) - Caveat behaviour is variable between viewers, more research required.)
Tag: Undo
 
Line 7: Line 7:
|return_type=vector
|return_type=vector
|func_desc
|func_desc
|return_text=that is the current region-relative camera position for the agent the task has permissions for.
|return_text=that is the current camera position for the agent the task has permissions for.
|spec
|spec
|caveats=*The position returned does not originate at the center of the user's screen, instead, the reported position is at the top right of their screen.
|caveats=*Seems to act weird when the camera gets too far from the agent.
*Seems to act weird when the camera gets too far from the agent.
|examples=
|examples=
<syntaxhighlight lang="lsl2">//Camera Follower Script
<source lang="lsl2">//Camera Follower Script
//llGetCameraPos & llGetCameraRot Example
//llGetCameraPos & llGetCameraRot Example
//By Nika Rugani
//By Nika Rugani
Line 67: Line 66:
         quickPosRot(c_pos, c_rot); //EXECUTE ORDER!
         quickPosRot(c_pos, c_rot); //EXECUTE ORDER!
     }
     }
}</syntaxhighlight>
}</source>
|helpers
|helpers
|also_functions=
|also_functions=

Latest revision as of 10:42, 5 June 2022

Summary

Function: vector llGetCameraPos( );

Returns a vector that is the current camera position for the agent the task has permissions for.

To run this function the script must request the PERMISSION_TRACK_CAMERA permission with llRequestPermissions.

Caveats

Permissions
  • Seems to act weird when the camera gets too far from the agent.
All Issues ~ Search JIRA for related Bugs

Examples

//Camera Follower Script
//llGetCameraPos & llGetCameraRot Example
//By Nika Rugani

integer perm_track = 0x400;
float second_check = 0.1;

vector object_offset = <2,0,0>; //Offset of the cameras position where the object will set itself

integer die_channel = 0;
string die_command = "/die";

quickPosRot(vector pos, rotation rot)
{//This way you don't have the 0.2 second sleeps from llSetPos and llSetRot
    llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_POSITION, pos, PRIM_ROTATION, rot]);
}

default
{
    on_rez(integer a)
    {
        llResetScript();
    }
    state_entry()
    {
        llRequestPermissions(llGetOwner(), perm_track);
    }
    run_time_permissions(integer permission)
    {
        if(permission == perm_track)
        {
            llSetTimerEvent(second_check);
            llListen(die_channel, "", llGetOwner(), "");
        }
        else
        {
            //llResetScript(); //Remove comment to loop the process of requesting permissions if user deny's permission
            //llDie(); //Remove comment to kill the object if user deny's it
        }
    }
    listen(integer channel, string name, key id, string str)
    {
        str = llToLower(str);
        if(str == die_command)
        {
            llDie();
        }
    }
    timer()
    {
        vector c_pos = llGetCameraPos(); //Get Users Camera Position
        rotation c_rot = llGetCameraRot(); //Get Users Camera Rotation
        c_pos = (c_pos+object_offset*c_rot); //Apply the offset to the position
        quickPosRot(c_pos, c_rot); //EXECUTE ORDER!
    }
}

See Also

Events

•  run_time_permissions Permission receiving event

Functions

•  llGetPermissions Get the permissions granted
•  llGetPermissionsKey Get the agent who granted permissions
•  llRequestPermissions Request permissions
•  llGetCameraRot
•  llSetCameraParams
•  llSetCameraAtOffset
•  llSetCameraEyeOffset

Articles

•  Script permissions

Deep Notes

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Signature

function vector llGetCameraPos();