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farmdve

How and what do I do now?

4 posts in this topic

So my 2D platformer inspired by Mario, but not a clone has some basic stuff more or less complete, which is a subjective term in my case cause my code is probably not bug free and probably doesn't have a very good design, but learning as much as I can smile.png

 

I have more or less completed the following:

  • Arbitrary map parsed from file.
  • Moving the character left and right.
  • Jumping.
  • Collision detection.
  • Falling off a tile due to "gravity".

The last three actually are not implemented 100% right, so they need a lot of work too, for instance I need fixed timestep instead of variable timestep as it could and usually does cause my collision detection to fail as the player could move waaay past a tile if the frame took longer than 0.001 seconds. I need to make it so the camera(i.e screen) follows the player in the center as he moves on the map.

 

Also, a next logical step in my opinion would be items or entities, but neither of those do I know how to implement(not even a clue!) and not sure if they will fit into my design.

 

Thank you in advance!

 

P.S

Yes, no mistake. I am doing my game in pure C using SDL 2.0. I plan to do the switch to C++ for my next game.

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Sounds like you have a pretty good idea of what to do next.

 

Locking the camera to the player is just a matter of offsetting everything as you draw it by your camera position

 

camera_x = player_x - screenwidth / 2

camera_y = player_y - screenheight / 2

 

then whenever you draw, subtract out the camera position

 

Draw(x - camera_x, y - camera_y);

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Items can be implemented as collidable objects, like the bricks in a level. Instead of bouncing off the player, the items will apply their effects when collided with. So when your player touches an item, a function to apply the effect is called on the player object.

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For the kind of items that go into an inventory, use a container (for example, an array for fixed sized inventories) attached to a character (player or otherwise) to store the items. The description of an item can go into an item description file.

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