ParticleSystem:setSpeed Sets the speed of the particles. Function Synopsis

love.filesystem.exists Check whether a file or directory exists. Function Synopsis

PulleyJoint:getConstant Get the total length of the rope. Function Synopsis

PulleyJoint:setRatio Set the pulley ratio. Function Synopsis

World:setAllowSleeping Available since LÖVE 0.8.0 This method is not supported in earlier versions. Removed in LÖVE

love.math.getRandomSeed Available since LÖVE 0.9.0 This function is not supported in earlier versions. Gets the seed of the random number generator

RevoluteJoint:enableMotor Available since LÖVE 0.8.0 This method is not supported in earlier versions. Removed in

SpriteBatch:unlock This has been changed to SpriteBatch:unbind

love.graphics.newParticleSystem Creates a new ParticleSystem. This

love.physics.newRevoluteJoint Creates a pivot joint between two bodies. This joint connects two bodies to a point around which they can pivot.