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Making a maze game, using scripts

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TheGameMaker

Posted: Feb 9 2007, 09:57 PM

TheGameMaker

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Joined: 4-February 07

I'll show you here how to make a maze game using scripts.
You should learn the first popple_waffles tut about the game maker or the own game maker help.

First, create a object called obj_block (make a sprite to it) and check the "solid".

Then, create a object called obj_ball (make a sprite for it). IT SHOULD NEVER BE SOLID!!!

In the step event, put a piece of code. Write this (I will explain):

CODE

if keyboard_check(vk_up) if place_free(x,y-4) y-=4;
if keyboard_check(vk_down) if place_free(x,y+4) y+=4;
if keyboard_check(vk_right) if place_free(x+4,y) x+=4;
if keyboard_check(vk_left) place_free(x-4,y) x-=4;

Allright here?
The X is the horizontal position of the player.
The Y is the vertical position of the player. (all in pixels)

CODE

if keyboard_check(vk_up) if place_free(x,y-4) y-=4;

If the player presses up and a place is free above our player, he will move up.

CODE

if keyboard_check(vk_down) if place_free(x,y+4) y+=4;

If the player presses down and a place is below the player, he will move down.

The same thing happens with the another lines of code.

Then make a room and make your level!!!

I hope you understood this. If not, feel free to reply here.

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popple_waffles

Posted: Feb 10 2007, 01:26 AM

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just adding to it,

when you use a if statement like:

CODE

if x>room_width

you ALWAYS should put {} brackets around the actions that you want to happen like so:

CODE

if x > room_width then
{
x= xprevious
}

unless if you only want to perform the next action stated after the if statement!

TheGameMaker	Posted: Feb 10 2007, 01:29 AM
TheGameMaker Group: Admin Posts: 253 Member No.: 24 Joined: 4-February 07	You're right. I will teach later how to avoid from getting out of the room. -------------------- This is a sig.

popple_waffles

Posted: Feb 10 2007, 03:39 AM

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letz do it now!!

CODE

if x<0 then x=xprevious
if y<0 then y=yprevious
if x> room_width then x= xprevious
if y> room_height then y= yprevious

TheGameMaker	Posted: Feb 10 2007, 01:34 PM
TheGameMaker Group: Admin Posts: 253 Member No.: 24 Joined: 4-February 07	OMG YOUR CODE IS ALMOST THE SAME THING AS THE ONE I USE!!! But I put a 0 in front of the y> and x> . -------------------- This is a sig.

popple_waffles	Posted: Mar 2 2007, 09:10 PM
1337 Group: Admin Posts: 1.069 Member No.: 2 Joined: 2-December 06	yep! most of our code probobly looks the same!

TheGameMaker

Posted: Apr 24 2007, 04:07 AM

TheGameMaker

Group: Admin
Posts: 253
Member No.: 24
Joined: 4-February 07

QUOTE (popple_waffles @ Mar 2 2007, 09:10 PM)

yep!

most of our code probobly looks the same!

I wanted to mean that your code is wrong

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popple_waffles	Posted: Apr 25 2007, 02:49 PM
1337 Group: Admin Posts: 1.069 Member No.: 2 Joined: 2-December 06	oh

TheGameMaker

Posted: Apr 26 2007, 01:34 PM

TheGameMaker

Group: Admin
Posts: 253
Member No.: 24
Joined: 4-February 07

Correcting:

CODE

if x<0 then x=xprevious
if y<0 then y=yprevious
if x>0 room_width then x= xprevious
if y>0 room_height then y= yprevious

you forgot the last two 0!

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popple_waffles	Posted: Apr 29 2007, 11:52 PM
1337 Group: Admin Posts: 1.069 Member No.: 2 Joined: 2-December 06	larger than 0 room_width?

TheGameMaker

Posted: Apr 30 2007, 12:56 AM

TheGameMaker

Group: Admin
Posts: 253
Member No.: 24
Joined: 4-February 07

QUOTE (popple_waffles @ Apr 29 2007, 11:52 PM)

larger than 0 room_width?

oh... I forgot that a "room_width" and "room_height" was after ">"

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popple_waffles

Posted: May 7 2007, 10:31 PM

1337

Group: Admin
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did we go over key objects?

for the room start event of the player or control object:

CODE

//this way you can reset the maximum value of objects you have to collect
itemmax=5

well, if you want the player to have to collect a certain number of objects before he can go to the next level then you can do something like this:

for the collision with the collectables:

CODE

items+=1
with (other) {instance_destroy()}

for the collision with the door object

CODE

if player.items=itemmax then {room_goto_next}

//items is the number of collected items
//itemmax is the number of items you need to collect

funky chicken66	Posted: Jun 4 2007, 08:09 PM
Frozen Waffle Group: Admin Posts: 961 Member No.: 11 Joined: 6-December 06	-------------------- I'm a chicken that is funky!!!

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