INTRODUCTION TO
PROGRAMMING
USING SCRATCH FOR PROGRAMMING AND CONTROL
9 Creating a Packman-Style Maze Game
INCLUDED IN THIS EXERCISE:
 Delete, draw, animate and resize a sprite
 Move a sprite using keyboard control
 Design a maze on the stage
 Stop the sprite moving over the maze
 Get rewards to randomly appear and disappear
 Setting up scoring
 Chase the Packman with an automated sprite
WAYS OF DEVELOPING THE GAME FURTHER:
 Introduce more rewards
 Set a time limit or a target score
 Introduce further moving sprites that work against the player
 Make it into a two-player game
 Further sprites could be added to block/unblock sections of the maze; this could make the game
change as it is played
 There could be different levels with the background changing after a time
9 | Creating a Packman-Style Maze Game
Select the scissor tool and delete the cat sprite.
Click the stage icon.
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9 | Creating a Packman-Style Maze Game
CREATING THE MAZE
Select the Backgrounds tab and click Edit.
Use the Fill tool and set the whole background to red.
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9 | Creating a Packman-Style Maze Game
Set the pen colour to black and draw a simple maze on the background. Click OK.
CREATING THE PACKMAN SPRITE
Click the Paint New Sprite button.
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9 | Creating a Packman-Style Maze Game
Draw an orange circle.
Working on the Costumes tab click Copy.
Select the copied costume and click Edit.
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9 | Creating a Packman-Style Maze Game
Select the transparency colour from the colour chart.
Paint the open mouth of the Packman. Click OK.
Rename the sprite to Packman and the costumes to Packman1 and
Packman2.
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9 | Creating a Packman-Style Maze Game
Click the shrink sprite tool and resize the Packman so that it will fit in every part of the maze.
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9 | Creating a Packman-Style Maze Game
CREATING THE PACKMAN SCRIPTS
Create the scripts for the Packman as shown.
Animates the Packman remember to set the wait times
to 0.1 seconds.
Allows the player to drive the
Packman using the arrow keys
Makes the Packman bounce
off the maze – use the pipette
tool to set to the same colour
as the maze
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9 | Creating a Packman-Style Maze Game
Click the Variables instruction set and click Make a variable.
Name the variable Score as shown below.
Amend the animation script as follows.
Sets the position of sprite to top
right-hand corner of game
Resets the score to zero at
beginning of each game
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9 | Creating a Packman-Style Maze Game
SETTING UP A REWARD
Click Choose new sprite from file.
Browse for the Things folder.
Select the Banana. Click OK.
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9 | Creating a Packman-Style Maze Game
With the banana sprite highlighted, create the script as shown.
Sets the start position
Makes something happen when the
banana touches the Packman
Shows the banana
Changes score
Hides the banana
Waits a random amount of time
Chooses a random position
Shows the banana
CREATING THE CHASER SPRITE
Create a new sprite that will chase the Packman and end the game if it catches it!
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9 | Creating a Packman-Style Maze Game
CREATING THE CHASER SCRIPT
Create the chaser script as shown below.
Sets starting position
Sets starting direction
Chases the Packman
Bounces off maze walls
Bounces off banana
Ends game if it touches
the Packman
Bounces off edge
The game should look like this when it starts:
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