Lesson goal: Learn to draw simple computer graphics

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After you can draw pixels, the next step will be to draw lines. The computer knows how to automatically draw a continuous line between any two (x,y) coordinates. Lines are drawn using the line function, which works like this:
Move the mouse over a dotted box for more information.

Now you try. Plot a lines using line.

Type your code here:

See your results here:

Show a friend, family member, or teacher what you've done!

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Does your code work? Want to run it on your iPhone?

Here's your code:

  1. Use [Control]-[C] (Windows) or [⌘]-[C] (MacOS) to copy your code.

  2. Paste it using [Control]-[V] (Windows) or [⌘]-[V] (MacOS) into this page

  3. Then click the "Use on iPhone" button that you'll see.