PRIM OMEGA

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/LSL

PRIM_OMEGA

Description

Constant: integer PRIM_OMEGA = 32;

The integer constant PRIM_OMEGA has the value 32

Used to make the object spin at the specified axis and rate, or retrieve spin settings. See llTargetOmega for specification.

llSetPrimitiveParams

[ PRIM_OMEGA, vector axis, float spinrate, float gain ]

• vector	axis	–	arbitrary axis to rotate the object around
• float	spinrate	–	rate of rotation in radians per second
• float	gain	–	also modulates the final spinrate and disables the rotation behavior if zero

When used with llSetPrimitiveParams & llSetLinkPrimitiveParams

llGetPrimitiveParams

llGetPrimitiveParams([ PRIM_OMEGA ]);

Returns the list [ vector axis, float spinrate, float gain ]

• vector	axis	–	arbitrary axis to rotate the object around
• float	spinrate	–	rate of rotation in radians per second
• float	gain	–	also modulates the final spinrate and disables the rotation behavior if zero

Caveats

• PRIM_OMEGA on nonphysical objects, and child prims of physical objects, is only a client side effect; the object or prim will collide as non-moving geometry.
• PRIM_OMEGA cannot be used on avatars sitting on the object. It will emit the error message "PRIM_OMEGA disallowed on agent".
• If PRIM_OMEGA does not appear to be working, make sure that that Develop > Network > Velocity Interpolate Objects is enabled on the viewer.

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Related Articles

Functions

•	llSetPrimitiveParams
•	llSetLinkPrimitiveParams
•	llGetPrimitiveParams
•	llTargetOmega

Examples

<lsl> // Set this prim rotating llTargetOmega(<1.0,3.0,0.5>, TWO_PI, 1.0);

// Read back this prim's current target omega list current_omega = llListToList( llGetPrimitiveParams([PRIM_OMEGA]); // should be [PRIM_OMEGA, axis, spinrate, gain] vector axis = llList2Vector(current_omega, 1); // Should be <1.0,3.0,0.5> float spinrate = llList2Float(current_omega, 2); // Should be TWO_PI float gain = llList2Float(current_omega, 3); // Should be 1.0

// Set all child prims rotating llSetLinkPrimitiveParamsFast(LINK_ALL_CHILDREN, [PRIM_OMEGA, <1.0,3.0,0.5>, TWO_PI, 1.0]); </lsl>

Deep Notes

History

• Introduced in Second Life RC BlueSteel 11.06.20.233291, June 22, 2011
• Rolled to main server channel the week of 7/11/2011

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Signature
integer PRIM_OMEGA = 32;