Programming 102

1. What is one way to make a still copy of an Actor?

• {"func":"blockPenStamp"}
• {"func":"registerSpriteTrigger","next":{"func":"blockLooksShow"}}
• {"func":"blockControlForever","containers":[{"func":"blockLooksShow"}]}
• {"func":"blockMotionPointTowards","values":[{"type":"string","value":"self"}],"next":{"func":"blockMotionMove","values":[{"type":"number","value":"10"}]}}

2. David wants to make a stamp machine program. He has an Actor with two Costumes. When the user clicks on the Actor, he wants the Actor's Costume to change. When the user presses the spacebar, he wants the Actor to stamp on the Stage. He should use the ___ event block for changing Costumes and the ___ event block for stamping.

• {"func":"registerSpriteTrigger"}, {"func":"registerKeyTrigger","values":[{"type":"choice","value":"space"}]}
• {"func":"registerFlagTrigger"}, {"func":"registerSpriteTrigger"}
• {"func":"registerBroadcastTrigger","values":[{"type":"string","value":""}]}, {"func":"registerFlagTrigger"}
• {"func":"registerKeyTrigger","values":[{"type":"choice","value":"space"}]}, {"func":"registerKeyTrigger","values":[{"type":"choice","value":"space"}]}

3. Megan is making a stamp machine program like the one you just made. She has a Smiley Face Actor with two Costumes: one for a normal smiley face, one for when the smiley face is being stamped down. What two blocks should go below {"func":"registerSpriteTrigger"} so that she both stamps an image of the Actor on the Stage and changes the Actor's Costume?

• {"func":"blockPenStamp","next":{"func":"blockLooksNextCostume"}}
• {"func":"blockPenStamp","next":{"func":"blockMotionMove","values":[{"type":"number","value":"10"}]}}
• {"func":"blockLooksNextCostume","next":{"func":"blockLooksShow"}}
• {"func":"blockLooksNextCostume","next":{"func":"blockLooksHide"}}

4. What does dragging code blocks into your backpack do?

• Lets you save these blocks to use in other programs
• Deletes them
• Nothing, there is no backpack
• Makes the code run

5. Arin is trying to make a sky with stars of different sizes. Which of these blocks can help him achieve this?

• {"func":"blockLooksChangeSizeBy","values":[{"type":"number","value":"10"}]}
• {"func":"blockMotionGoTo","values":[{"type":"number","value":"0"},{"type":"number","value":"0"}]}
• {"func":"blockLooksSetEffect","values":[{"type":"choice","value":"color"},{"type":"number","value":"0"}]}
• {"func":"blockPenChangeSize","values":[{"type":"number","value":"1"}]}

6. True or False: This block {"func":"blockPenStamp"} will create new Actors.

• True
• False

7. Which block of code would fill the stage with 100 stars of different sizes in random spots?

• {"func":"blockControlRepeat","values":[{"type":"number","value":"100"}],"containers":[{"func":"blockLooksSetSize","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"number","value":"1"},{"type":"number","value":"100"}]}],"next":{"func":"blockMotionGoTo","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenLeft"},{"type":"wrapper","func":"valueSensingScreenRight"}]},{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenBottom"},{"type":"wrapper","func":"valueSensingScreenTop"}]}],"next":{"func":"blockPenStamp"}}}]}
• {"func":"blockControlRepeat","values":[{"type":"number","value":"1000"}],"containers":[{"func":"blockLooksSetSize","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"number","value":"1"},{"type":"number","value":"100"}]}],"next":{"func":"blockMotionGoTo","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenLeft"},{"type":"wrapper","func":"valueSensingScreenRight"}]},{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenBottom"},{"type":"wrapper","func":"valueSensingScreenTop"}]}],"next":{"func":"blockPenStamp"}}}]}
• {"func":"blockControlRepeat","values":[{"type":"number","value":"100"}],"containers":[{"func":"blockLooksSetSize","values":[{"type":"number","value":"100"}],"next":{"func":"blockMotionGoTo","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenLeft"},{"type":"wrapper","func":"valueSensingScreenRight"}]},{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenBottom"},{"type":"wrapper","func":"valueSensingScreenTop"}]}],"next":{"func":"blockPenStamp"}}}]}
• {"func":"blockControlRepeat","values":[{"type":"number","value":"100"}],"containers":[{"func":"blockLooksSetSize","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"number","value":"1"},{"type":"number","value":"100"}]}],"next":{"func":"blockMotionGoTo","values":[{"type":"number","value":"0"},{"type":"number","value":"0"}],"next":{"func":"blockPenStamp"}}}]}

8. David wants to make a stamp machine program. He has an Actor with two Costumes. When the user taps the Actor, he wants the Actor's Costume to change. When the user taps the screen, he wants the Actor to stamp on the Stage. He should use the ___ event block for changing Costumes and the ___ event block for stamping.

• {"func":"registerSpriteTrigger"}, {"func":"registerScreenTrigger","values":[{"type":"choice","value":"clicked"}]}
• {"func":"registerFlagTrigger"}, {"func":"registerSpriteTrigger"}
• {"func":"registerBroadcastTrigger","values":[{"type":"string","value":""}]}, {"func":"registerFlagTrigger"}
• {"func":"registerScreenTrigger","values":[{"type":"choice","value":"clicked"}]}, {"func":"registerScreenTrigger","values":[{"type":"choice","value":"clicked"}]}