3_2_1

3_2_1

1. We use conditionals everywhere in every day life

2. foundation of programming

3. IDE

   • ball on the screen?
     • Only do left/rightfirst with 2 if statements
       • using numbers instead of -
       • exercise - do top / bottom
     • put left and right together
       • Show ||
       • Show &&
       • use variable
     • exercise - put top and bottom together
     • exercise - add comments
   • game change, let's start with the small ball
     • add constant speed to ball
     • but disappears

4. lets look at the end result of this weeks code focussing on the red ball

   • moves without direct inputs
   • does not leave the screen