Difference between revisions of "PRIM PHYSICS MATERIAL"
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{{#vardefine:p_density_hover|range 1.0 to 22587.0 (in kg/m^3)}} | {{#vardefine:p_density_hover|range 1.0 to 22587.0 (in kg/m^3)}} | ||
{{#ifeq:{{{ | {{#ifeq:{{{2|}}}|llGetPhysicsMaterial|| | ||
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{{LSL Const/Signature|DENSITY|integer|c={{#var:p_density_hover}}}} | {{LSL Const/Signature|DENSITY|integer|c={{#var:p_density_hover}}}} | ||
Revision as of 11:04, 20 January 2012
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Description
Constant: integer PRIM_PHYSICS_MATERIAL = 31;The integer constant PRIM_PHYSICS_MATERIAL has the value 31
PRIM_PHYSICS_MATERIAL is used to get or set the prim's physics material properties.
llSetPrimitiveParams
llSetPrimitiveParams([ PRIM_PHYSICS_MATERIAL, integer material_bits, float gravity_multiplier, float restitution, float friction, float density ]);| • integer | material_bits | – | bitwise combination of DENSITY, FRICTION, RESTITUTION, and GRAVITY_MULTIPLIER and specifies which floats to actually apply | |
| • float | gravity_multiplier | – | range [-1.0, +28.0] | |
| • float | restitution | – | range [0.0, 1.0] | |
| • float | friction | – | range [0.0, 255.0] | |
| • float | density | – | range [1.0, 22587.0] kg/m^3 |
When used with llSetPrimitiveParams & llSetLinkPrimitiveParams
llGetPrimitiveParams
llGetPrimitiveParams([ PRIM_PHYSICS_MATERIAL ]);Returns the list [ integer material_bits, float gravity_multiplier, float restitution, float friction, float density ]
| • integer | material_bits | – | bitwise combination of DENSITY, FRICTION, RESTITUTION, and GRAVITY_MULTIPLIER and specifies which floats to actually apply | |
| • float | gravity_multiplier | – | range [-1.0, +28.0] | |
| • float | restitution | – | range [0.0, 1.0] | |
| • float | friction | – | range [0.0, 255.0] | |
| • float | density | – | range [1.0, 22587.0] kg/m^3 |
| material_bits Flags | V | Description | |||||
|---|---|---|---|---|---|---|---|
| DENSITY | Indicates that density parameter is enabled | ||||||
| FRICTION | Indicates that friction parameter is enabled | ||||||
| RESTITUTION | Indicates that restitution parameter is enabled | ||||||
| GRAVITY_MULTIPLIER | Indicates that gravity_multiplier parameter is enabled | ||||||
Caveats
- A collision between two objects with restitution 1.0 will still not be perfectly elastic due to damping in the physics engine.
Related Articles
Deep Notes
History
- Introduced in Second Life RC LeTigre 11.09.09.240509, September 9, 2011
- SLUniverse:Future physics functions tease
Footnotes
- ^ The ranges in this article are written in Interval Notation.
Signature |
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integer PRIM_PHYSICS_MATERIAL = 31; integer DENSITY;//range 1.0 to 22587.0 (in kg/m^3) integer FRICTION;//range 0.0 to 255.0 integer RESTITUTION;//range 0.0 to 1.0 (note, a collision between two objects with restitution 1.0 will still not be perfectly elastic due to damping in the physics engine) integer GRAVITY_MULTIPLIER;//range -1.0 to +28.0 |