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4answers
102 views

Implementation of collision in 2D platformer (C++)

My collision system for my game currently works fine, it lets me test a collision with an entity or specified rectangle... but that's not enough. I used to use GameMaker and it had collision events in ...
2
votes
3answers
156 views

Box2D Issues determining the side of collision

I'm trying to determine which side of my object a collision is happening. In all of my searching, I have found 2 different proposed solutions, but each one has a major issue. I'm hoping that someone ...
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2answers
499 views

Drawing a continuous line with onTouchMoved callback

i'm trying to draw a continues spline on every onTouchMoved call, the functionality is supposed to be similar to the line drawing used in the iOS game - flight control. i'm using it in the following ...
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2answers
268 views

What's the most efficient way to deal with in-game messages in Allegro 5?

I have a little 2D game made with Allegro, and I want to introduce strings during gameplay. For example, I've just made it so a key is needed to open a door, so I'd need some tutorial text to appear ...
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2answers
837 views

How do I determine the look-at vector of a free-look camera?

I'm trying to create a free-look camera with DirectX 10. I've figured out how to get the directions for forward and back and left to right. However, I don't know how to rotate the look-at vector of ...
-1
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2answers
74 views

Change sprite position

I have Sprite and i want change my Sprite position when score == 2 score = 0; auto bird = Sprite::create("bird.png"); bird->setPosition(Point(-visibleSize.width, ...
-1
votes
2answers
137 views

Segmentation fault adding SDL_Surface

I'm trying to add a new SDL_Surface to my whack-a-mole clone code but even if I set it to null it wont let me. game.h #include<SDL2/SDL.h> #include<SDL2/SDL_image.h> ...