Tagged Questions

3
votes
2answers
298 views

How to achieve smooth movement with a fixed timestep

Previously in the update method of my game I was using a variable time step which provided very smooth movement of a player sprite except when the frame rate would drop, even slightly. At that point I ...
1
vote
1answer
121 views

C++ Using clock() with IsKeyDown

I am trying to replicate the game Asteroids as a class project. I am having trouble measuring the time elapsed while the "W" key is pressed. This code is supposed to increase the force applied to the ...
2
votes
3answers
547 views

How do I calculate how an object will move from one point to another?

Here's the problem: A player starts the game in the 0 coordinate (x=0,y=0). When the user clicks on the screen, it returns the coordinates of the destination. Now the player has to move from its ...
0
votes
1answer
86 views

enemy behavior with boundary to change direction

I'm doing space shooter kind of game, the logic is to reflect the enemy if it hits the boundary. With my logic, sometimes enemy behaves like flickering instead of changing the velocity. It's like ...
3
votes
1answer
159 views

Achieving more fluent movement

I'm working on my first OpenGL 2D game and I've just locked the framerate of my game. However, the way objects move is far from satisfying: they tend to lag, which is shown in this video. I've thought ...
1
vote
0answers
62 views

obb vs obb and resolve/response for 2d space game [duplicate]

Possible Duplicate: OBB vs OBB Collision Detection How can i detect if an rotated obb intersects another rotated obb and resolve it so both obb objects dont go further into each other. I ...
1
vote
3answers
243 views

Shaking objects near correct position (with video)

All right, so I'm testing two box objects. One is standing fixed in a position and another at the beginning of the program goes to the first one. And at the end the latter should stand completely over ...
3
votes
2answers
833 views

I am looking to create realistic car movement using vectors

I have goggled how to do this and found this http://www.helixsoft.nl/articles/circle/sincos.htm I have had a go at it but most of the functions that were showed didn't work I just got errors because ...
0
votes
1answer
197 views

I am looking to make a spaceship tilt as it corners but I cant get it to return

I am using the TL game engine I am not allowed to use a physics engine but I need to make the spaceship lean as it corners, I can make it lean but cannot make it return to its starting position. I ...
2
votes
0answers
148 views

What is causing this behavior with the movement of Pong Ball in 2D? [closed]

//edit after running it through the debugger it turned out i had the display function set to x,x...TIL how to use a debugger I've been trying to teach myself C++ SDL with the lazyfoo tutorial and ...
1
vote
1answer
321 views

Why does my 2d collision and movement not work properly?

I'm trying to write(in c++ using sdl) a mario like game as in a tile based world with by pixel movement for the character and I've run into some problems I cannot seem to find the source of: 1.The ...
2
votes
1answer
773 views

C++/SDL Getting Multiple Bullets On-Screen

I've finally gotten this laser thing to work for my Space Shooter, and so far I've come across a slight problem. I've gotten the laser to position itself at the starting position correctly and move ...
1
vote
2answers
642 views

Suggestion for C++ reinforcement learning library to control flocking algorithm

I am looking to use reinforcement learning to adaptively modify the weights involved in a flocking algorithm (i.e. 'boids'). Searching google revealed several libraries, but I don't know anything ...
6
votes
2answers
1k views

How to manage enemy movement and shoot in a shmup?

I'm wondering what is the best (or at least a good) way of managing enemies in a shoot-em-up. Basically, what I'd do would be a class that manages displaying and updating positions of all the ...