3. Print Your Pattern

In this video you'll learn how to use the Print Prepare procedure in your starter project to print a pattern.

Using the Print Prepare procedure, moves the sprite across a specified distance.

When the sprite reaches the edge of the stage it starts again one row up at the left side of the stage.

To use the procedure you'll need to call it, that means you tell the computer to follow the list of tasks contained in one procedure at a specific point in your code.

Go to the more blocks menu, drag out the print prepare block and place it under the repeat and tell loop that was included in your starter project.

Enter the number 40 in each of the two value spaces.

These numbers set the distances the sprites move horizontally and vertically.

To run the code press the one key.

The sprite moves across and up the stage however it doesn't create a pattern.

That's because the procedure moves the sprite it doesn't make it stamp.

To stamp the sprite go to the pen menu and drag out the stamp block and place it under the print prepare block.

Press one and the sprite will move across the screen and print a copy of itself as it travels.

Awesome.

But the pattern only prints once.

Nothing happens if you press the one key a second time.

That's okay, in the next video you'll learn how to create a procedure to reset the stage allowing the user to reprint the pattern.

Now it's your turn.

Click on the more blocks menu and drag the print prepare block into the repeat and tell loop.

Select the pen menu and add a stamp block under the print prepare procedure.

Press one to see the code print a set of stamps once then move on to the next video to learn how to make the pattern print multiple times.