screen = PhysicsScreen(10, 50)

ceiling = ScreenShape(ScreenShape.SHAPE_RECT, 640, 20)
ceiling:setColor(0.0, 0.0, 0.0, 1.0)
ceiling:setPosition(640/2, 10)
screen:addPhysicsChild(ceiling, PhysicsScreenEntity.ENTITY_RECT, true)

-- Revolute Joint
shape = ScreenShape(ScreenShape.SHAPE_RECT, 10, 30)
shape:setPosition(150, 20+15)
screen:addPhysicsChild(shape, PhysicsScreenEntity.ENTITY_RECT, false)
screen:createRevoluteJoint(shape, ceiling, 0, -15)
screen:applyImpulse(shape, 10, 0)

-- Distance Joint
shape = ScreenShape(ScreenShape.SHAPE_RECT, 10, 30)
shape:setPosition(250, 20+25)
screen:addPhysicsChild(shape, PhysicsScreenEntity.ENTITY_RECT, false)
screen:createDistanceJoint(shape, ceiling, false)
screen:applyImpulse(shape, 200, 0)

line = ScreenLine.ScreenLineBetweenEntities(shape, ceiling)
line:setColor(1.0, 0.0, 0.0, 1.0)
screen:addChild(line)

-- Prismatic Joint
shape = ScreenShape(ScreenShape.SHAPE_RECT, 10, 30)
shape:setPosition(450, 20+25)
screen:addPhysicsChild(shape, PhysicsScreenEntity.ENTITY_RECT, false)
screen:createPrismaticJoint(ceiling, shape, Vector2(0,1), 0,0, false, 100, 0, true)

lineAnchor = ScreenEntity()
lineAnchor:setPosition(450,10)
line = ScreenLine.ScreenLineBetweenEntities(shape, lineAnchor)
line:setColor(0.0, 1.0, 0.0, 1.0)
screen:addChild(line)