A simple term for "translation", the change of position of an entity typically on the route of going from point A to point B.
8
votes
2answers
242 views
Following a path in a smooth fashion
I am currently making a 2d tower defense game with a static, predetermined lane that the enemies follow (i.e. towers cannot block the path and path finding is not the problem I am trying to solve).
I ...
1
vote
1answer
195 views
In 2d game logic, should I use pixels or world coordinates?
Currently in my game I handle the logic (collisions, movement) using pixels but I find it very limiting espiecially when thinking about variable speed.
For example Box2D requires you to use ...
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 ...
4
votes
3answers
336 views
Smooth Sprite Movement - Don't Add Velocity to Position?
I am trying to figure out if there is a way to move a sprite smoothly on the screen at different speeds without stuttering, but keeping the effect that it's moving smoothly; especially at faster ...
0
votes
1answer
77 views
Increase restitution (bounciness) of an object in a JavaScript formula
I'm going slightly around the houses on this one. I originally started a thread over on Stack Overflow about it but then it seemed to diverge into mathematics, with no joy from the SO community over ...
0
votes
2answers
220 views
How can I move an object over a drawn tile map in HTML 5 without constant buffering?
I've been messing around with HTML5 for quite some time now but this is something that I guess I haven't figured out how to handle well yet. I'm sure there's an extremely easy solution and I just ...
1
vote
2answers
146 views
Controlling player and camera movement in a 3rd person game with keyboard and mouse
In many action games with a third person view, joystick controls typically map the left joystick for player movement and the right joystick for camera movement (or more precisely camera's direction ...
0
votes
1answer
96 views
DPad style movement for AI without using A*
What is the easiest way to implement DPad style movement (No diagonal) for AI without using and A* algorithm? I thought about having the enemy catch up to the player in the Y axis first then the X ...
2
votes
2answers
158 views
Making a player move to my mouse when clicked?
How can I get my player to move to the mouse when it is clicked (like in Warcraft)?
So far I have tried:
if (Mouse.isButtonDown(0)) {
if (X < Mouse.getX()) {
X += Speed;
}
if ...
1
vote
2answers
156 views
Moving an object around the the circle to the specific location in circumference
Well I have run out of ideas how to approach this particular problem.See the picture below:
So the idea is that the object (dot in black) has to get to a point mark X (red X mark).However 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 ...
3
votes
1answer
136 views
Figuring out which direction my object is facing on a 2D plane?
My friend and I were messing around in XNA 4.0 making a 2D racing game. Kind of like this one: Ivan “Ironman” Stewart’s Super Off Road. The problem we are having is knowing which direction the car is ...
3
votes
1answer
114 views
AI surrounding algorithm suggestions
I am building up a simulation where predator groups (tribes) try to hunt other agents in the simulation (whom also are clustered in groups).
Now I got to a point where members of a group follow their ...
1
vote
0answers
181 views
3 Button Multi-touch for Android
OK, my multi-touch system was somewhat convoluted, but was working perfectly OK until I tried to run my game on my Nexus 10 which is running Jellybean.
Crashing all over the place! So I removed my ...
0
votes
1answer
159 views
Player movement behind objects
I was playing around on RPG JS and Browser Quest, and the player, when moving, can give the effect of walking behind the trees or houses etc, so the player effectively disappears while it is "behind" ...
1
vote
2answers
293 views
Non-physics character movement in a Box2d Environment
I am in the process of creating a physics platformer. However, I want the player movement to feel very old-school(as in: non-physics like), which means that the character:
Should always move equally ...
0
votes
2answers
313 views
How to make a smooth movement in XNA?
I'm trying to make a nice controls for my game, but I can't achieve enough SMOOTHNESS.
if (kbState.GetPressedKeys().Length != 0 && _direction != Vector2.Zero)
{
...
2
votes
1answer
439 views
Stopping on a slope in Box2d
I am creating a simple platformer using Box2d. I've implemented a variant of the technique described here.
To make the player character move more 'platformer-like' I want him to stop on (shallow) ...
1
vote
2answers
135 views
How to get the height at a position in a triangle
I have a heightmap, and I store the heights in a giant array. However, when I move, it's quite choppy on the Y-axis, so I need a way to get the height at a certain point in a triangle.
I currently ...
1
vote
2answers
216 views
Make a 2D character stop moving and going back when encounter an obstacle
I am using a 2d character who is sliding infinite ( huge incrementation of the X or Y value ) when moving.
He can only move up, down, left, right inside a virtual grid, made of multiple squares.
Now ...
5
votes
1answer
164 views
Swaying Camera when Walking
You can see the effect in many games. The camera sways or wiggles a bit while walking to make the movement feel more realistic.
I have implemented a camera in my game. (Who'd have thunk it?) So is ...
1
vote
3answers
280 views
Moving a 2D character on a straight line
I am trying to create an Android Game and I am facing my first big problem.
After reading blogs, tutos ... I am able to easily move a character with a drag and drop, make it move move to a touched ...
2
votes
1answer
172 views
How to handle slopes/bridges in a 2d grid turn based strategy game [duplicate]
I was wondering about the following:
In a 2D turn-based strategy game (using some grid(i.e. tiles, isometric hexagons) as movement), what techniques do they use to determine where a character moves ...
6
votes
2answers
554 views
How could you create climbing movement in a 2D platformer?
Basically what I want to do is have a playable character that is able to "walk" on an organic surface at any angle, including sideways and upside-down. By "organic" I mean I want my levels to have ...
6
votes
4answers
350 views
Implementing AI to hide behind obstacles
I am developing an AI simulation of predator and prey. I would like to simulate the AI hiding behind obstacles, if it is being chased. But I am still trying to figure out the best way to implement ...
1
vote
2answers
288 views
Moving player in Box2d without forces
How do I move player with keyboard without applying forces? If I do playerBody.setLinearVelocity(new B2Vec2(0, 2)) it moves the player but when I release the key for movement, the ball is continuously ...
2
votes
2answers
214 views
How does Wii detect user's movement with its camera?
I try to understand the concept behind Wii device. It has 4 camera with capture user's movement, I wonder how does these cameras work? Any reference, article, or papers would be great source for me to ...
1
vote
1answer
175 views
How do I make camera follow the player within some bounds?
I am creating a simple ambient/explorer platformer. Because I want the player to only be able to see a new area once they have reached it, I decided to split up the world in rooms.
To not make things ...
1
vote
2answers
154 views
Basic plane kinematics
I never did physics in my life and this is really hard for me. I am currently trying to implement movement in the X and Y axis of a plane, in a video game I am making.
What I want to do is, given a ...
7
votes
2answers
238 views
How to handle entity path-finding and movement in a large networked world?
Considering the image above with tiles split into 32x32 boxes, I have an entity which is marked to 'aggro' nearby players that come close to it. I'd like this monster to ideally chase the player (and ...
-5
votes
4answers
368 views
A* mouse movement javascript top-down game
Im trying to implement a* path finding for my character movement in my game.
The game is written in javaScript along with jQuery in a canvas.
I have read up on A* so i believe i understand what it ...
6
votes
2answers
252 views
Simulate movement towards the screen in a 2D world
I need to create the illusion of someone kicking a ball to the screen. For that, I have a initial position of the ball (about the middle of the screen), and I put the sprite of the ball scaled at 0.2 ...
1
vote
1answer
69 views
Blender 2.6: Move Mesh to X Coordinate of Another Mesh
An example:
There are two planes A and B with the following median points:
( X | Y | Z )
M_A ( 3 | 2 | 2 )
M_B ( 6 | 1 | 1 )
Now I want to move the plane A on the X-axis to the X coordinate ...
0
votes
1answer
272 views
XNA - move camera over tilemap
I am trying to build a game based on Advance Wars in XNA.
I am so far where the tiles are placed on the screen, except here starts my problem. During the game, I ofcourse want to move the camera ...
-1
votes
1answer
151 views
simple escape algorithm: enemy escapes when hero approches
I need some clues on a "escape" algorithm.
My scene a 2D rectangle (0,0,1000,1000)
I have enemy sprites on this scene. They are immobile until distance from hero <100.
If distance<100, enemy ...
0
votes
1answer
201 views
Player sprite moving slower on iPhone 4
I just finished getting movement/jump animation for a player sprite in Xcode using Cocos2D. The basic movement algorithm is a timer that updates every 0.01 sec, changing the sprite position to ...
0
votes
2answers
128 views
I would need an idea on how to animate a player in a board game that is top-down and 2D?
I'm planing a 2D board game and I cannot figure out how to make the animation of the player from tile to tile. Note that tiles are not in a grid, they are flexible (x, y) points in the map.
The ways ...
2
votes
3answers
467 views
Movement in RPG
I want to make an RPG game in which I move tile by tile. So when I hit up, the tile row that I am on decreases by one for example. Also, it's supposed to be a slow movement so that I can see the ...
7
votes
2answers
154 views
Interpolating between two networked states?
I have many entities on the client side that are simulated (their velocities are added to their positions on a per frame basis) and I let them dead reckon themselves. They send updates about where ...
1
vote
1answer
354 views
Moving sprites on a graph in libGDX
In my game I'd like to move sprites on a fixed path. Until this point I was trying to stick with the tools already provided by libGDX, like the Tiled map renderer classes so I'm looking for a solution ...
0
votes
0answers
106 views
What's the best way to move cars along roads
I am implementing car movement game (sort-of like Locomotion). So 60 times a second I have to advance the movement of each car. The problem is I have to look ahead to see if there is a slower car, ...
13
votes
6answers
1k views
How to build a “traffic AI”?
A project I am working on right now features a lot of "traffic" in the sense of cars moving along roads, aircraft moving aroun an apron etc.
As of now the available paths are precalculated, so nodes ...
0
votes
1answer
101 views
Rotate/Translate object in local space
I am just trying to create a movementcontroller class for game entities. These class should transform the entity affected by the mouse and keyboard input. I am able to calculate the changed rotation ...
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 ...
16
votes
2answers
564 views
Eight or infinity sign trajectory
When I want to move object around point I do:
point.x *= cosf(timer.timeElapsed);
point.y *= sinf(timer.timeElapsed);
How to make point move on eight or infinity sign trajectory?
1
vote
1answer
252 views
Pygame Tile Based Character movement speed
Thanks for taking the time to read this. Right now I'm making a really basic tile based game. The map is a large amount of 16x16 tiles, and the character image is 16x16 as well. My character has its ...
3
votes
1answer
148 views
Moving the jBullet collision body to with the player object
I am trying to update the location of the rigid body for a player class, as my player moves around I would like the collision body to also move with the player object (currently represented as a ...
-2
votes
1answer
271 views
C# XNA 2D Multiple boxes collision detection and movement
Hi,
I've been making simple game where you shoot boxes that are coming towards you.
All game objects are simple rectangles.
Now I have problem with collision detection; how to check where the ...
3
votes
1answer
217 views
Scaling sprite velocity / co-ordinatesin Android
I'm trying to find the answer to a question that I've had for a long time, but am having trouble finding it! I hope someone can help :-)
I'm trying to find information on how to scale sprite velocity ...
2
votes
2answers
146 views
Is there a expected set of button mappings games commonly use?
I am making a game that will support a XBox 360 controller but I would like to try and keep the default button mappings to be what is expected from a user's past history from playing other games. Is ...
