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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?

Faster as dx gets larger Signup and view all the answers

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

Increasing app.stepsPerSecond Signup and view all the answers

What happens when changing the position properties of a group?

The position of every shape in the group changes Signup and view all the answers

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

By directly applying the fill and opacity properties to the group Signup and view all the answers

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

stroke and width Signup and view all the answers

How can one remove a shape from a group?

Calling the group's remove method with the name of the shape to remove Signup and view all the answers

What is a common use of the onStep function?

To animate a shape so it appears to be moving Signup and view all the answers

How can you adjust the speed at which onStep runs?

By setting app.stepsPerSecond to a higher value Signup and view all the answers