local function jump(event)
        if event.phase == "began" then
                jumpTimer = timer.performWithDelay(10, function() jumpHeight=jumpHeight+5 end, -1)
        elseif event.phase == "ended" then
                player:setLinearVelocity(1, 500 * -1)
                player:applyAngularImpulse( 5 )
                timer.cancel(jumpTimer)
                jumpHeight = 100
        end
end
player:addEventListener("touch", jump)