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Introduction to Programming G50PRO University of Nottingham Unit 3 : Introduction To Scratch 2

Introduction to Programming G50PRO University of Nottingham Unit 3 : Introduction To Scratch 2. Paul Tennent http://paultennent.wordpress.com/G50PRO.html paul.tennent@nottingham.ac.uk Room C41. Agenda. Common programming elements Pseudo Code Scratch Example Scratch Demo Course work.

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Introduction to Programming G50PRO University of Nottingham Unit 3 : Introduction To Scratch 2

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  1. Introduction to ProgrammingG50PROUniversity of NottinghamUnit 3 : Introduction To Scratch 2 Paul Tennent http://paultennent.wordpress.com/G50PRO.html paul.tennent@nottingham.ac.uk Room C41

  2. Agenda • Common programming elements • Pseudo Code • Scratch Example • Scratch Demo • Course work

  3. Common programming elements: • Variables • Conditional statements • Loops • Events

  4. PseudoCode • PseudoCode is a compact and informal high-level description of a computer program • Uses the structural conventions of a programming language • Intended for human reading rather than machine reading • Compact and easier to understand fo humans • Language-independent

  5. Example • Cat Sprite() • Loop Forever • If (user hits right) • Point right • If (user hits left) • Point Left • If (user hits up) • Point Up • If (user hits down) • Point Down • Move slowly

  6. Try PseudoCode • Write PseudoCode to: • Move a car using up arrow to increase speed and down arrow to brake. Right and left arrows for directions. • If a wall is hit the car explodes and the car losses 1 live out of 3 • Game is over if the car explodes 3 times

  7. Who is responsible for what? • Structure your programs • Think – which sprites should be responsible for what actions? • Think – Where should your variables be defined

  8. Example – Shooting Game • Bullet • Disappear Add to user’s score? • Alien • Destruction effect COLLISION!

  9. Coursework • 2 player car race online game • The game should offer a choice of multiple tracks. • When a player reaches the finish line the winner should be announced plus the time taken and a score. • Read the specifications on course web page

  10. Coursework • Check Similar projects online first • It is ok to reuse bits of code/ideas from other projects. Yet DO NOT copy a project and modify it. • Make sure to include in the Report references to other projects you used in your work on • Use Project notes to include simple user Instructions

  11. Quick Review • Create the software • Design • Implement • Test • Write the documentation • Leave plenty of time to write the report • Proof read for obvious mistakes • Think about the structure of your writing

  12. Software Demonstration • Friday 14th February • Make sure The game is usable online (clear instructions) • How does it look, feel?

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