A simple term for "translation", the change of position of an entity typically on the route of going from point A to point B.

learn more… | top users | synonyms

4
votes
2answers
2k 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 ...
9
votes
2answers
249 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 ...
2
votes
1answer
862 views

Why do I have to run my 2D game at 300+ FPS for movement to be passably smooth?

I'm working on a simple game with SFML, and the only way to make the game reasonably smooth is to allow it the highest framerate my machine can handle (that is, giving it no limit). 60 FPS in my game ...
0
votes
2answers
82 views

Improving the performance of smooth movement up and down

I would like to achieve a smooth movement of a game object up and down. The way I have always seen this done is via a sine wave, and adding the value of y for a specified X to the game objects value ...
1
vote
1answer
864 views

LibGDX: Smooth movement on a grid based game

I'm making a game with LibGDX where the player is on a grid (like a Chess board). For now, I'm moving the player by teleporting him 16px in a direction. I'd like to use the delta time to make smooth ...
0
votes
1answer
95 views

2D Tile Movement in Java

I have this tilemap and a player in my game, and I got the player to move by adding the velocity to the position. However, it is very hard to control the player exact this way of the tilemap. So, I ...
1
vote
2answers
93 views

How do I limit the rotation speed of a mouse-following object?

I am trying to make a 2D top-down game where player controls a spaceship. The spaceship (a rocket) is just a sprite following the mouse cursor with a fixed speed and is always pointing toward the ...
-3
votes
1answer
52 views

Translate a point on a circumference [on hold]

If point A is r units away from point O, how would i get a point B which is also r units from point O, but is also d units away from point A (translate d units on the circumference)? I know this is ...
0
votes
0answers
17 views

Adding Player Movement and Firing on Touch Input (Unity)

I am having many problems with this. I am a new game developer and I am using a Unity tutorial. But I want to add touch input for movement and a touch button for firing the weapon. How can I do this? ...
0
votes
0answers
23 views

Projectile Delta Movement

I'm running into an issue where I can't get the Projectiles to travel in the right direction, I'll admit my trig is a little rusty, anyone know how below might be improved? I am trying to get the ...
0
votes
0answers
28 views

Gravity around a sphere with rotation? (Blitz 3D)

I've been making this space/moon type FPS game with Blitz 3D and I can't seem to get gravity working perfectly. Right now, it works, however when I go farther on the moon, I see that my character is ...
1
vote
1answer
57 views

Lots of bouncing balls sink into each other [closed]

I'm trying to model a system that simulates an arbitrary number of bouncing balls with some gravity. So far I've come up with a solution that can be seen here: ...
0
votes
1answer
439 views

Unity-Animation parameters are not being set

I have the following animation controller: with two parameters of walkingSpeed and Jump. I have the following code which should change the values: animator.SetFloat("walkingSpeed",0.9f); ...
0
votes
1answer
246 views

Can't go above max speed with RigidBody2D.AddForce()

I'm having trouble making a character move faster than a certain limit using RigidBody2D.AddForce(). My game is a top-down 2D game (constrained to the x/y plane). I'm using a float 'MovementSpeed' to ...
0
votes
1answer
93 views

3D Translations relative to 3D Rotations

I'm trying to program camera movement to be relative to camera rotation. (Forward is always forward, regardless of pitch, yaw, and roll) I want to be able to move forward, backward, left, right, up, ...
0
votes
1answer
35 views

Make continuos movements with controllers in LibGDX

I've been trying to make the OUYA controlers work with a LibGDX Framework Practice Game. Everything is working perfectly expected for one thing : The movements are not continuos. The problem is, ...
2
votes
3answers
128 views

Prevent movement cheating in MP games

I have read a lot about movement in multiplayer games, but not so much on preventing cheating. Let's say a client sends moves packets whenever the player press a movement button, then the server ...
1
vote
2answers
215 views

Show a range grid movement as3

How do I show range of grid movement in AS3? When player controls a character and chooses "move" options, the grid of movement will be displayed as 3 grid of X, 4 grid of Y (Both sides, + and -). So, ...
2
votes
2answers
150 views

Movement on objects in 2D tile/grid based game

This question is an addition to both of these questions: Boat passing under a bridge in a 2D tile based RTS How to handle slopes/bridges in a 2d grid turn based strategy game While I get the idea ...
0
votes
3answers
82 views

What is the best way to keep track of time in a game?

I'm getting to the part in development where I'm noticing that timing is going to be an issue. If I put my movement update in the same function where I draw the scene, then a low FPS means slower ...
1
vote
3answers
80 views

How to make an object oscillate left and right?

I can't seem to make an object move left and right, back and forth, on room start whilst on solid ground. Codes I used: Step Event: if image_index is greater than 5, then physics_apply_force ...
-1
votes
0answers
26 views

Moving from point A to B optimalisation [duplicate]

Here's my abstract class for movement: vector2d normalize(vector2d v) { auto a = sqrt(dotProduct(v, v)); vector2d r; r.x = v.x/a; r.y = v.y/a; return r; } ...
0
votes
1answer
403 views

How to follow object on CatmullRomSplines at constant speed (e.g. train and train carriage)?

I have a CatmullRomSpline, and using the very good example at https://github.com/libgdx/libgdx/wiki/Path-interface-%26-Splines I have my object moving at an even pace over the spline. Using a simple ...
1
vote
2answers
108 views

Restricting character movement to “rails”

I'm building a Pacman clone in Unity 3D and am now thinking about how to restrict the movement of the player to the hallways that the map is made up of. Basically, the player is only allowed to ...
0
votes
1answer
102 views

How can I smoothly move from tile to tile?

I've looked at other games with tile based movement. I am aiming to create a game like pokemon, where the player moves smoothly to the next tile. I am using KeyAdapter, in my KeyInput class. This ...
1
vote
2answers
77 views

Make square walk by rotating around corners

I in the very beginning of making a small game, and I'm having some problems getting the basic movement of my character. My character is a square that can be moved by rotating around a corner. The ...
0
votes
1answer
135 views

Smooth Npc Movement

I have an Npc in my rpg that moves around based on a Random() variable. My main goal is to have him walk in a random direction a small bit every 2 seconds. I only want him to move about 32 pixels ...
1
vote
1answer
56 views

Constraining Movement to Path/Splines

First of all take a quick look at this : https://www.youtube.com/watch?v=LQtKP-EymFM So this is to give a idea of what I mean by following a path, basicly I am trying to understand how something ...
2
votes
1answer
296 views

How do I create a player movement system in Farseer?

My group of students is helping produce a a 2D platformer. We tried making a pixel-based collision system which fell through. Now I am trying this physics engine on for size and see new ways to create ...
2
votes
1answer
490 views

How can I rotate an Object towards a point in JMonkeyEngine

From time to time in my game, enemies spawn in different positions and they move toward a point. I need to rotate their body in such a way that their "face" is rotated towards the point. For enemies ...
0
votes
0answers
17 views

How to dynamically create movement range mesh? [duplicate]

How would I go about create a movement range /area of control indicator for a hexagonal game? I assume they generate a mesh proceduraly to match the tiles. Any good articles hat cover this topic? ...
0
votes
2answers
383 views

Collision detection with multiple polygons simultaneously

I've written a collision system which detects/resolves collisions between a rectangular player and a convex polygon world using the Separating Axis Theorem. This scheme works fine when the player is ...
0
votes
1answer
104 views

Moving a tiled map in a jframe

I rendered a tiled map, with the help of slick2d, in my JFrame in Java. I can move my main character, but it is just that the character itself moves. I would like to do it that, if the player moves, ...
6
votes
3answers
93 views

Player acceleration formula and using it with authoritative server

I know the theory behind authoritative client-server architecture, it works very well for character movement in a tile-based world: you send messages like "I moved one square to the right", the server ...
2
votes
1answer
70 views

Implementing character movement using real physics

This is the first time I'm seriously developing a game so apologies if I'm missing the obvious. In my 2D platformer I adopted Box2D since it seemed like a natural solution to model gravitational ...
1
vote
2answers
161 views

Vertical Camera Movement in a 2D Platformer

I would like to ask about how vertical camera movement should be handled in a platformer in which the player changes his Y position frequently. For the past two days I've tried to adjust the camera ...
8
votes
6answers
3k views

How do you move a sprite in sub-pixel increments?

Pixels are either on or off. The minimum amount you can move a sprite is a single pixel. So how you make the sprite move slower than 1 pixel per frame? The way I did it was to add the speed to a ...
1
vote
2answers
121 views

Framerate dependent movement

I'm moving my character controller using Euler integration like this: Vector3 originalPos = transform.position; Vector3 acceleration = Physics.gravity; velocity += acceleration * Time.deltaTime; ...
0
votes
0answers
67 views

How do I make my character move during its animation?

I have an OGRE animation problem: I want to control a character with the WASD keys, but pressing W, the character only moves once the animation completes. I want to move the character with the ...
0
votes
1answer
51 views

Space Invaders: Getting the aliens to move as one [closed]

I'm having issues getting my invaders to move together. Currently they hit the edge of the screen and then go crazy. Here is the code for the Alien: #include "Alien.h" #include <iostream> ...
0
votes
0answers
91 views

Move body LibGDX Box2D

Hello I have a body and I want to move it. When I press the mouse button my body should move at that position (on the const speed)on the screen. I have override two methods(x1, y1 - point where my ...
0
votes
1answer
96 views

How to rotate and move a model in the direction it is facing?

I am not using Unity or XNA. Eventually, I will probably use OpenTK for graphics. But for the concept of a game I'm writing, I am using the console for keyboard input and visual logging of events, ...
0
votes
2answers
2k views

Moving a sprite towards an x and y coordinate

Given a sprite with an x and y coordinate, how would I move it toward another sprite with an x and y coordinate? I've already made it face towards the other sprite, and I've made it move towards the ...
0
votes
1answer
48 views

Using RPC's for movement of an object across a network [closed]

I've been building upon http://www.gamasutra.com/blogs/DarrelCusey/20130221/187128/Unity_Networking_Sample_Using_One_NetworkView.php At the moment when I spawn a sphere on the server it spawns on the ...
0
votes
1answer
65 views

Spawning a Sphere and trying to move it [closed]

I've been trying to build upon a blog post on Gamasutra http://www.gamasutra.com/blogs/DarrelCusey/20130221/187128/Unity_Networking_Sample_Using_One_NetworkView.php In this I would like to spawn a ...
0
votes
1answer
116 views

How to implement mouse based movement in an RPG? (Java) [duplicate]

I'm making a 2D rpg and I want the character to move with the mouse, ie the user clicks and then the character moves to that location. How do I accomplish this?
3
votes
2answers
209 views

How do I make a 2D race car turn smoothly? [duplicate]

I'm making a competitive 2-player 2D racing game for a school project. I'm struggling with the movements of my car: I made it a square for testing purposes and it can move left, right, up or down, but ...
0
votes
0answers
109 views

isometric movement

I'm developing an isometric strategy game in flash using the Starling framework. I wanted to know what is the best way to move units about the isometric grid, and to render them the right way. Now ...
0
votes
0answers
136 views

How to move rigidbody player to its facing direction with AddForce?

How can I move a rigidbody to its facing direction? I've already tried this: rigidbody.AddForce (transform.forward * v, ForceMode.Acceleration); // v is a public float which gets a new value in ...
1
vote
1answer
94 views

Smooth anmiation with LibGDX

I want to move a enemy from its current position toward the mouse position in LibGDX. x, y - enemy position saveX, saveY - position where my enemy need to go(or mouse position saved at specific ...