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2D All the way! / 2D platform game

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Captain America
21
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Joined: 8th Apr 2005
Location: Here
Posted: 14th Jan 2006 04:54
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I am interested in making a 2D platform game.

I am sort of a good 3D programer, but when it comes to 2D im lost.

It will look like this:



I do not want to use a tile based thing using things like this:

data 0,0,0,0,0
data 0,0,0,0,0
data 0,0,1,0,0
data 1,1,1,1,1

I would like to just use collision on certain sprites, like the gray sqaures(platforms). Would it be easier this way?
Can someone please help me with this?

Thanks!

-Cap'n-


Cheers,
Capt. America
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Kevin Picone
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Joined: 27th Aug 2002
Location: Australia
Posted: 14th Jan 2006 07:40
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The concept is pretty straight forward, have a search for DB topics relating to 'Sliding collision'.

Most of the old DB demo/example were REGION based, there's bound to be some example(s) in the code base.

Region base sliding works via comparing a box shape region (the represents the players space) and calc it's sliding position against another set of BOX shapes (the environment/other objects).

While any example are probably 3D. Converting the logic to 2D (removing the Z) shouldn't be problem.

Kevin Picone
Play Nice!Play Basic - 2D Competition - Cash Prizes !
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Pincho Paxton
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Posted: 14th Jan 2006 14:19
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If you're a good 3D programmer then box collision will work perfectly. Just check the X/Y of the player character compared to the platform to see which side you collided with. Box collision is just the same as..

Data 0,0,0,0
Data 1,1,1,1

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Captain America
21
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Joined: 8th Apr 2005
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Posted: 14th Jan 2006 20:13
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ok thanks, but could someone explain how to jump.
I have the code from someone else, but i dont understand it very good yet.

Thanks!

-Cap'n-


Cheers,
Capt. America
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