Writing Pytch programs

Contents:

• Sprites
  • Creating Sprites
  • Saying how a sprite should behave
  • Controlling how scripts run
  • Controlling how a sprite looks
  • Moving a Sprite
  • Finding a Sprite’s position
  • Turning a Sprite
  • Making sounds
  • Sensing
  • Making and deleting copies of a Sprite
  • Checking for sprites colliding
  • Showing and hiding speech bubbles
  • Showing and hiding a sprite’s variables
  • Asking the user a question
  • Sensing the mouse’s position and button
• The stage
  • Methods and properties available on the Stage
• Scratch blocks → Pytch functions and methods
  • Methods on a Sprite
  • Methods on the Stage
  • Functions in the pytch module
• Functions in the pytch module
  • Pausing a script
  • Creating a clone
  • Sounds
  • Asking the user a question
  • Sensing whether a particular key is pressed
  • Broadcasting messages
  • Stopping all scripts
  • Variable watchers
  • Suspiciously long-running loops outside event handlers
• Scratch hat blocks → Pytch decorators
  • pytch.when_green_flag_clicked
  • pytch.when_key_pressed()
  • pytch.when_this_sprite_clicked
  • pytch.when_stage_clicked
  • pytch.when_I_receive()
  • pytch.when_I_start_as_a_clone
• Defining costumes
  • Advanced Costume specifications
• Defining backdrops
• Defining sounds
  • Playing sounds
• Running many scripts at once