Game Maker Day 2
description
Transcript of Game Maker Day 2
Game MakerDay 2
Making a Maze Game
Pop Quiz• Make a Sprite (spr_HeroLeft) using the
koala_left.gif image– TechInTheWorkplace\assignments\resources\
Chapter7\koala_left.gif
• Make an object (obj_HeroLeft) using the spr_HeroLeft
• Create Events (Up, Down, Left, Right) for obj_HeroLeft so it can move about the screen
• Make a room and add the hero to the room• Demo your room and hero running around
A Little Design
• Sketch a simple maze.
• What objects are needed?
• How do you want them to behave?
Today
• As a class we will…
• Give an overview of a maze
• Create a wall
• Create a goal
• Create a hero that will face the direction it is running
• From there you will create a maze
Maze: The Room
Needed Objects• Hero
– You can load from Game Makers set or– Go to the assignments folder under Resources Walls– Going around the room and in between
• Finish– The hero will reach (collide) this when finished.
• Treasures– Possibly tie to points. (Can look up Score Actions.
Might click the relative box to add points to a score)
• Enemies– An extra.– Maybe add weapons for getting rid of enemies
Behavior• Walls
– Solid• Hero
– Move with pressed keys. Left, right, up, down and stop.– When it hits (Collides with) a wall, it stops– Extra
• Gather treasure and get points, run into enemy and lose points, finish the maze and win
• When key pressed, shoot.• Finish
– Solid• Extras
– Treasures• Disappear when Hero runs into you.
– Enemies• When shot, disappear and add points to the total• Move towards the Hero and around the walls
Start by gathering sprites
• Hero– Person, animal, …– Load sprites for each direction. Up, down, left, right,
stop• Wall
– Brick• Finish
– You pick• Extra
– Treasure– Enemy
I have added sprites to the Assignments
folder under Resources. There are
Koala sprites in chapter7. I’ll use the Koala in my example
Getting and Fitting SpriteClick on the
pacmanClick on Load Sprite
and pick a sprite
Notice the Width and
Height are both 40. It is best to have the sizes as multiples of 2. So we will change this to 32. To do this,
click on Edit Sprite
Select Transform -> Stretch Images
Change the Width and Height pixels
to 32.
Click OK
Click the Green Check
Click OK
Load the following sprites:Hero: Left, Right, Up, Down, Stop
WallFinish
Giving Direction Pictures
• For this example I’ll use different sprites for right, up, down and stop.
• When the Hero object is created we will make it use the correct sprite depending on the direction it is traveling.
Making the Wall: Again Stretch it to 32 x 32Click on the
pacmanClick on Load Sprite
and pick a sprite
Notice the Width and
Height are both 40. It is best to have the sizes as multiples of 2. So we will change this to 32. To do this,
click on Edit Sprite
Select Transform -> Stretch Images
Change the Width and Height pixels
to 32.
Click OK
Click the Green Check
Click OK
Now the FinishClick on the
pacman
Click on Load Sprite
and pick a sprite
Notice the Width and
Height are both 40. It is best to have the sizes as multiples of 2. So we will change this to 32. To do this,
click on Edit Sprite
Select Transform -> Stretch Images
Change the Width and Height pixels
to 32.
Click OK
Click the Green Check
Click OK
So far
• Created sprites for the following– Hero– Wall– Finish
• Now it’s time to make the objects
Wall ObjectClick ‘Create and
Object’ button
Name the objectobj_wall
Use the pull down menu and select
spr_wall
Make the object solid.
No Events???The wall will just sit there, so it does not need any
events.
Goal ObjectClick ‘Create and
Object’ button
Name the objectobj_goal
Use the pull down menu and select
spr_exit
No Events???The goal/exit will just sit there, so it also does not need
any events.
Hero Object
• Behaviors• Hit left arrow, point left and go left• Hit right arrow, point right and go right.• Hit down arrow, point down and go down• Hit up arrow, point up and go up• No key hit, point stop and go stop• Hit a wall, point stop and go stop• Hit the goal, Say you win, end the game.• We’ll start with coding the left arrow
Hero Object and Point Left when moving left
Click on Create Object
Name itobj_hero
Select a sprite:Pick
spr_heroRightThis will be the
starting direction of the Hero
Add Event
Click on Keyboard
Select main1
tab
Drag Change Sprite into the Actions window
Click on the menu and select the left
facing sprite. spr_heroLeft
OK
Select <Left>
Go LeftSelect the move tabDrag the Move
Fixed icon into the Actions window
Select the left arrow
Give it a speed of 5
Click OK
Other Key-pressed Events
• Left
• Right
• Up
• Down
• Stop (‘No key’ being pressed, or ‘Any Key’ begin released)
Hit the wall
Add Event
Click on Collision
Pull down to obj_wall
Change to the stop sprite
Main1 tabDrag the change
sprite to the event window
Select the stop sprite
Stop the Hero
Select the move tab
Drag the Move Fixed icon into the Actions window
Click on the no direction
button
OK
Keep going
• Now you have the beginning tools to
• Create a maze (Using the walls)
• Create a goal
• Create a hero
• Now continue to work on the maze.