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Published byDylan Bolton Modified over 11 years ago
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Sprite-visual object (actor on the stage) Scripts- Tells actors (sprites) what to do
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The Scratch stage is 480 pixels wide and 360 pixels high. -180 0,0 at the center of the stage Moving right increases the x valueMoving left decreases the x value 180 240-240
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Responding to user actions like mouse clicks and key presses Example: We programmed the witch to move with the arrow keys
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One block is executed after the other block in order from top to bottom. Example:
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Things can happen at the same time
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When we want something to repeat or continue to do something over and over. We could use LOTS of blocks over and over OR use a loop or iteration (repeat something) Example: Forever block
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We want to track something and want the value to change or vary Example: Create a variable
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When we want something to happen IF something is true Called an IF statement or Conditional Example:
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Must have at least one of each: Sprite Event handling Sequential execution Parallel execution Loop Variable Conditional Sound Text Instructions on how to play the game at the beginning
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