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Snap! Reference Manual Acknowledgements 1. Blocks, Scripts, and Sprites 2. Saving and Loading Projects and Media 3. Building a Block 4. First Class Lists 5. Typed Inputs 6. Procedures as Data 7. Object Oriented Programming with Sprites 8. OOP with Procedures 9. The Outside World 10. Continuations 11. Metaprogramming 12. User Interface Elements

Appendix

Blocks

All Snap! Blocks

Motion Blocks

Looks Blocks

Sound Blocks

Pen Blocks

Control Blocks

Sensing Blocks

touching ?touching ?color is touching ?ask and wait answer mouse position mouse x mouse y mouse down?key pressed?Distance To Color at Location reset timer timer current Attribute Of my object url microphone video on set video transparency to is on?set to

Operators Blocks

Variables Blocks

mouse down?

Complete Me

The "mouse down?" block

Help screen for the "mouse down?" block

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Example Projects¶

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