Grouping Shapes in Programming
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Questions and Answers

What should be done to change the sign of c.dx?

  • Stand still when reaching the edge of the canvas
  • Set c.dx to -c.dx (correct)
  • Use conditionals to reverse the sign of c.dx
  • Set c.dx to 0

In Bounded Motion, what action should be taken when reaching the edge of the canvas?

  • Reverse directions
  • Increase the speed
  • Stand still (correct)
  • Move to the opposite edge of the canvas

What is the key difference between Vertical and Diagonal Motion in terms of movement direction?

  • Use reverse directions in Diagonal Motion
  • Always move horizontally in Vertical Motion
  • Use dy instead of dx in Vertical Motion (correct)
  • Vertical Motion does not use conditionals

How does the speed of the shape change in Smooth Motion with respect to dx?

<p>Faster as dx gets larger (D)</p> Signup and view all the answers

How can one speed up the application according to the text?

<p>Increasing app.stepsPerSecond (D)</p> Signup and view all the answers

What happens when changing the position properties of a group?

<p>The position of every shape in the group changes (B)</p> Signup and view all the answers

How can groups be used to set non-position properties like fill and opacity?

<p>By directly applying the fill and opacity properties to the group (D)</p> Signup and view all the answers

What can groups not access or set in terms of non-position properties?

<p>stroke and width (C)</p> Signup and view all the answers

How can one remove a shape from a group?

<p>Calling the group's remove method with the name of the shape to remove (D)</p> Signup and view all the answers

What is a common use of the onStep function?

<p>To animate a shape so it appears to be moving (D)</p> Signup and view all the answers

How can you adjust the speed at which onStep runs?

<p>By setting app.stepsPerSecond to a higher value (C)</p> Signup and view all the answers

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