Difference between revisions of "PRIM PHYSICS MATERIAL"

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{{#vardefine:p_restitution_desc|between 0.0 and 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)}}
{{#vardefine:p_restitution_desc|between 0.0 and 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)}}
{{#vardefine:p_friction_desc|between 0.0 and 255.0}}
{{#vardefine:p_friction_desc|between 0.0 and 255.0}}
{{#vardefine:p_density_desc|between 1.0 and 22587.0 (in kg/m^3)}}
{{#vardefine:p_density_desc|between 1.0 and 22587.0 (in [[llGetMassMKS|kg]]/m^3)}}


{{#vardefine:p_material_bits_hover|bitwise combination of DENSITY, FRICTION, RESTITUTION, and GRAVITY_MULTIPLIER and specifies which floats to actually apply}}
{{#vardefine:p_material_bits_hover|bitwise combination of DENSITY, FRICTION, RESTITUTION, and GRAVITY_MULTIPLIER and specifies which floats to actually apply}}
Line 13: Line 13:
{{#vardefine:p_restitution_hover|between 0.0 and 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)}}
{{#vardefine:p_restitution_hover|between 0.0 and 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)}}
{{#vardefine:p_friction_hover|between 0.0 and 255.0}}
{{#vardefine:p_friction_hover|between 0.0 and 255.0}}
{{#vardefine:p_density_hover|between 1.0 and 22587.0 (in [[llGetMassMKS|kg]]/m^3)}}
{{#vardefine:p_density_hover|between 1.0 and 22587.0 (in kg/m^3)}}


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}}</onlyinclude>{{#if:

Revision as of 09:47, 17 September 2011

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.

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 between -1.0 and +28.0
• float restitution between 0.0 and 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)
• float friction between 0.0 and 255.0
• float density between 1.0 and 22587.0 (in 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 between -1.0 and +28.0
• float restitution between 0.0 and 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)
• float friction between 0.0 and 255.0
• float density between 1.0 and 22587.0 (in kg/m^3)

Caveats