Algodoo

Paste this:

GUI.Component.App.GUI.drawHingesWhenRunning = false
Sim.gravitySwitch = false
App.borders = false
App.drawClouds = false
Sim.airFrictionOn = false
App.fadeColor = [1, 1, 1]
App.fadeTranslate = [0, 0]
App.fadeRotate = 0
App.Background.skyColor = [0, 0, 0, 0]

Into your console and let it run

type:

groovyOff

to set it back to normal!