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GameMaker Cookbook by Brandon Gardiner

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Creating 2D movement

In Chapter 1, Game Plan – Creating Basic Gameplay, we demonstrated the basic character movement using GameMaker's drag and drop interface. It involved a lot of blocks. Next, we will create more sophisticated movement code in only a handful of code blocks.

Getting ready

You'll need a character object (obj_player) and a room where you can place it. We won't be discussing the object's sprite or animation here; this is purely about moving your character in two dimensions on the screen. For this reason, we're using a simple block to represent our player character.

How to do it...

  1. In obj_player, add a Create event.
  2. Drag and drop an Execute Code block (under the Control tab) into the Actions box.
  3. Open it and enter the following code:

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