if press space key , obje is jump.

                                    ` This code was downloaded from The Game Creators
                                    ` It is reproduced here with full permission
                                    ` http://www.thegamecreators.com
                                    
                                    MAKE OBJECT SPHERE 1, 10
MAKE OBJECT PLAIN 2, 100, 100
xrotate object 2,90
y#=5
do
set cursor 10,10:print "if press spacekey , obje is jump!"
if durum=0 and spacekey()=1 then durum=1
if durum=1 then y#=y#+.4
if durum=2 then y#=y#-.4
if y#>80 then durum=2
if y#<5 then durum=0
position object 1,0,y#,0
loop