Phaser.Physics.P2.Spring = function (world, bodyA, bodyB, restLength, stiffness, damping, worldA, worldB, localA, localB){ 
this.game = world.game; 
this.world = world; 
if (typeof restLength === 'undefined') { 
restLength = 1; 
} 
if (typeof stiffness === 'undefined') { 
stiffness = 100; 
} 
if (typeof damping === 'undefined') { 
damping = 1; 
} 
restLength = world.pxm(restLength); 
var options = { 
restLength: restLength,
stiffness: stiffness,
damping: damping}
; 
if (typeof worldA !== 'undefined' && worldA !== null ) { 
options.worldAnchorA = [world.pxm(worldA[0]), world.pxm(worldA[1])] ; 
} 
if (typeof worldB !== 'undefined' && worldB !== null ) { 
options.worldAnchorB = [world.pxm(worldB[0]), world.pxm(worldB[1])] ; 
} 
if (typeof localA !== 'undefined' && localA !== null ) { 
options.localAnchorA = [world.pxm(localA[0]), world.pxm(localA[1])] ; 
} 
if (typeof localB !== 'undefined' && localB !== null ) { 
options.localAnchorB = [world.pxm(localB[0]), world.pxm(localB[1])] ; 
} 
this.data = new p2.LinearSpring(bodyA, bodyB, options); 
this.data.parent = this; 
} 
; 
Phaser.Physics.P2.Spring.prototype.constructor = Phaser.Physics.P2.Spring;