Difference between revisions of "B2.DistanceJoint"

From GiderosMobile
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=== Methods ===
 
=== Methods ===
[[b2.DistanceJoint:getDampingRatio]] ''<translate>returns the damping ratio</translate>''<br/>
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[[Special:MyLanguage/b2.DistanceJoint:getDampingRatio|b2.DistanceJoint:getDampingRatio]] ''<translate>returns the damping ratio</translate>''<br/>
[[b2.DistanceJoint:getFrequency]] ''<translate>returns the mass-spring-damper frequency in Hertz</translate>''<br/>
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[[Special:MyLanguage/b2.DistanceJoint:getFrequency|b2.DistanceJoint:getFrequency]] ''<translate>returns the mass-spring-damper frequency in Hertz</translate>''<br/>
[[b2.DistanceJoint:getLength]] ''<translate>returns the length of this distance joint in meters</translate>''<br/>
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[[Special:MyLanguage/b2.DistanceJoint:getLength|b2.DistanceJoint:getLength]] ''<translate>returns the length of this distance joint in meters</translate>''<br/>
[[b2.DistanceJoint:setDampingRatio]] ''<translate>sets the damping ratio (0 = no damping, 1 = critical damping)</translate>''<br/>
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[[Special:MyLanguage/b2.DistanceJoint:setDampingRatio|b2.DistanceJoint:setDampingRatio]] ''<translate>sets the damping ratio (0 = no damping, 1 = critical damping)</translate>''<br/>
[[b2.DistanceJoint:setFrequency]] ''<translate>sets the mass-spring-damper frequency in Hertz</translate>''<br/>
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[[Special:MyLanguage/b2.DistanceJoint:setFrequency|b2.DistanceJoint:setFrequency]] ''<translate>sets the mass-spring-damper frequency in Hertz</translate>''<br/>
[[b2.DistanceJoint:setLength]] ''<translate>sets the natural joint length in meters</translate>''<br/>
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[[Special:MyLanguage/b2.DistanceJoint:setLength|b2.DistanceJoint:setLength]] ''<translate>sets the natural joint length in meters</translate>''<br/>
 
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=== Events ===
 
=== Events ===
 
=== Constants ===
 
=== Constants ===
 
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Revision as of 17:35, 23 August 2018

Supported platforms: android, ios, mac, pc
Available since: Gideros 2011.6

Description


A distance joint constrains two points on two bodies to remain at a fixed distance from each other. You can view this as a massless, rigid rod.

Examples

Distance joint

local jointDef = b2.createDistanceJointDef(body1, body2, 100, 100, 200, 100)
local distanceJoint = world:createJoint(jointDef)
--by default length between two bodies is the length they have between them when joint was created
--but it is possilbe to change it using
distanceJoint:setLength(200)
distanceJoint:setDampingRatio(0.5)
distanceJoint:setFrequency(4)

Methods

b2.DistanceJoint:getDampingRatio returns the damping ratio
b2.DistanceJoint:getFrequency returns the mass-spring-damper frequency in Hertz
b2.DistanceJoint:getLength returns the length of this distance joint in meters
b2.DistanceJoint:setDampingRatio sets the damping ratio (0 = no damping, 1 = critical damping)
b2.DistanceJoint:setFrequency sets the mass-spring-damper frequency in Hertz
b2.DistanceJoint:setLength sets the natural joint length in meters

Events

Constants