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

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3
votes
1answer
253 views

Implementing smooth 8 directional movement

I have my units that i move around my map with path finding. The units can move in 8 directions, currently i have the units moving around the map with a extremely basic check against the unit's ...
-3
votes
1answer
116 views

Undefined fireball movement behavior

Demonstration video I try to do after the player shoot 10 times of fireball, then delete all the fireball objects and recreate a 10 new set of fireball objects. I did it but there is a weird bug ...
3
votes
3answers
696 views

Effective way to check if an Entity/Player enters a region/trigger

I was wondering how multiplayer games detect if you enter a special region. Let's assume there is a huge map that is so big that simply checking it would become a huge performance issue. I've seen ...
1
vote
0answers
124 views

Finetuning movement based on gradual rotation towards a target [duplicate]

I have an object which moves towards a target destination by gradually adjusting its facing while moving forwards. If the target destination is in a "blind spot", then the object is incapable of ...
2
votes
2answers
118 views

Finding the shorter turning direction towards a target

I'm trying to implement a type of movement where the object gradually faces the target. The problem I've run into is figuring out which turning direction is faster. The following code works until the ...
4
votes
1answer
145 views

Time critical events based on framerate

Problem Description Basically, I've made a "programming game" in which I've made my own scripting language. It is a completely standard Lunar Lander game, though instead of directly controlling the ...
5
votes
2answers
1k views

Is it safe to set FPS rate to a constant?

I learned from game class that in update function, every movements must be time dependent for the sake of linearity in movement. We made a simple game. Every move like going left, right or jump is ...
1
vote
2answers
730 views

XNA Using velocity

Previously when making games I have just been using a Vector2 as the sprites position and altering that for movement, i.e.: if(right key pressed) Position.X += movementspeed * gametime...; ...
0
votes
1answer
66 views

SDL - BlitSurfaced Background Slowing Time Based Movement

Whenever I use BlitSurface to apply a background image, the movement of my characters is slowed drastically even though I have movement based on time: SDL_BlitSurface( background, camera, screen, ...
0
votes
2answers
231 views

joystick movement for Geometry Wars clone

I am kinda new in game programming, but I've got a semestral work to make a game, so I decided to do a clone of Geometry Wars. Despite that the game is really simple (in principle), I have ran into a ...
0
votes
1answer
88 views

Rotating sprites

I'm a beginner at making games, i'm currently only working in 2D using XNA. So far all of my games i've been using the following logic for sprite movement: if(left key pressed) sprite_x_position ...
12
votes
3answers
1k views

How can I make “falling away” 3D terrain like Animal Crossing?

Animal Crossing has a unique way of scrolling the world map: When the character moves down, the the world rolls around and over at the top, like it's stuck to a cardboard tube: This video shows how ...
1
vote
2answers
173 views

Correct way/How to think to plan out “control/animation flow”?

So basically, a problem I've had in past attempt at making games (little playing around with stuff): how to do a correct, non-sloppy way of planning the flow of animations/control? Let's take an ...
1
vote
1answer
374 views

Android Action_Move when moving between specific screen areas

OK so I know how to iterate through the different pointers that are currently touching the screen so I know what the coordinates are of these pointers using the following: Code snippet case ...
0
votes
1answer
947 views

Android cocos2d getting a sprite to continuously move to a dynamic position

I tried using the MoveTo method in cocos2d to get a sprite to continuously follow my player sprite: CCMoveTo actionMove = CCMoveTo.action(actualDuration, player.getPosition()); CCSequence actions = ...
2
votes
4answers
4k views

box2d and constant movement

i'm developing a game with a top down view, the players body is a circle. To move the character you need to tap on the screen and it moves to the spot. To achieve this i'm saving the coordinate of ...
-1
votes
2answers
2k views

Move object to position using velocity [duplicate]

I'm trying to make a simple object move to a desired location using its velocity. But I'm having trouble with it over shooting its target. I have to use velocity, I can't simply lerp the position, ...
3
votes
1answer
134 views

How to create a path-finding compatible road map from user input?

I'm currently working on an agent simulation (inspired by the recent SimCity release). Now, basically I understood how agents work but I do not understand how to put them into context. Agents travel ...
0
votes
1answer
465 views

Pokémon character turning / facing: How is it achieved? Movement is already done though [closed]

You know that when the player playing Pokémon games want to change the facing of the main character, one would simply tap on the directional pad (D-pad) on the Game Boy (Color/Advanced/Advanced SP) or ...
0
votes
3answers
639 views

How do I move a sprite to the mouse position?

So, I'm trying to make my sprite walk to the X-coordinate of my mouse click. This is my code: currentMouseState = Mouse.GetState(); MouseState mouseState = Mouse.GetState(); ...
6
votes
2answers
546 views

How do I keep my character centred on screen?

I am making a game similar to Legend of Zelda: Link to the Past (top-down 2D action-adventure). I want the character to stay centred on the screen when he moves. Currently, whenever the player wants ...
1
vote
1answer
170 views

How to implement deceleration and stopping over a certain distance [duplicate]

So I have a a character, say a spaceship. It needs to move distance R, and in direction T (Theta). So say if The object is at (0,0), and it needs to get to (4,3), it has R = 5 and T = about 36 ...
3
votes
4answers
3k views

Multiple Key Presses in XNA?

I'm actually trying to do something fairly simple. I cannot get multiple key presses to work in XNA. I've tried the following pieces of code. else if (keyboardState.IsKeyDown(Keys.Down) && ...
3
votes
6answers
2k views

How to implement object velocity as a vector

I'm working on a Breakout game, and want to change the ball's movement code from how I currently do it, to something based on vectors (as I feel learning and implementing movement based on vectors ...
5
votes
2answers
558 views

How to combine tap and long hold gesture recognizers?

I have a game in which the player moves around a sprite by tapping on various sections of the screen (left, right, up, down). So far, each tap moves the sprite one tile (I use a tile system for ...
0
votes
2answers
358 views

Asteroids Movement

I have been making an asteroids clone, in C#. However, the ship's movement is... not quite right. My plan is this: there is a speed, and two directions, namely the direction the ship is facing ...
4
votes
1answer
548 views

Collision Detection with SAT: False Collision for Diagonal Movement Towards Vertical Tile-Walls?

I'm developing my first tile-based 2D-game with Javascript. To learn the basics, I decided to write my own "game engine". I have successfully implemented collision detection using the separating axis ...
11
votes
1answer
1k views

Pathfinding on a uneven planetary surface

My question is what would be the best approach to pathfinding on an uneven planetary surface? Background Information I have created a planet from displacement mapping 6 sphere projected planes. ...
2
votes
2answers
218 views

Smoother controls

I am trying to move my background left if the user hits the right key. and right if the user hits the left key, so that it will look like the player is moving. The problem is that whenever I hold the ...
0
votes
1answer
396 views

Pong horizontal movement algorithm

I was just wondering about the horizontal movement of a pong ball? What is the general algorithm used with this? The ball in my pong game just move vertically and I don't know about the algorithms ...
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 ...
2
votes
1answer
534 views

2D Top down acceleration vector

I have been wanting to solve the issue of movement once and for all... with all that I have learnt and read through, should be a piece of cake one would have thought... , seems it isn't. Having ...
0
votes
1answer
874 views

Interpolating a player between two 2D points?

I would like a player to be able to move in a direction smoothly, whilst sticking to a fixed grid. Much like in Pokemon, how the player can move, but when the key is pressed and released quickly, they ...
6
votes
2answers
1k views

I want to implement free-running movement (like Assassin's Creed) in 2D. What to do?

I would like to implement free-running as popularized by Assassin's Creed, albeit in 2D. What are some specific techniques or algorithms that I can use to achieve free-running in 2D without having to ...
2
votes
1answer
230 views

Movement on the X an Z axis are combined?

This is probably a stupid question, but I'm trying to simply move a 3D object up, down, left, and right (Not forward or backward). The Y axis works fine, but when I increment the object's X position, ...
2
votes
2answers
1k views

Implementing tile-based movement on 2D platformer

I'm trying to make a cinematic platformer, in the veins of the first two Oddworld games, Flashback, Prince of Persia, Blackthorne and so on. This article describes very well how this kind of movement ...
3
votes
1answer
189 views

Theory behind worm like movement?

I don't want code or anything that will make this too easy for me, but I'm just starting the development of a little game and I want to add worms to it, I want the worms to be Terraria like. My ...
1
vote
1answer
543 views

What algorithms can I use for bullet movement toward the enemy?

I'm developing 2D strategy game. There are weapons that shoot at enemies. From what I've read in this, this, this and this post I think that I need linear algebra, but I don't really understand what ...
-1
votes
2answers
1k 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 ...
1
vote
2answers
495 views

Comparing a saved movement with other movement with Kinect

I need to develop an application where a user (physiotherapist) will perform a movement in front of the Kinect, I'll write the data for the movement in the database and then the patient will try to ...
0
votes
1answer
175 views

Character movement relative to cursor position

I want my top-down shooter character to move towards the mouse when pressing the up arrow and strafe relative at right angles to it when pressing the left and right arrow keys. I can't figure out how ...
2
votes
1answer
362 views

Translating a terrains position using input in Unity 3D C#

I am trying to make a terrain in Unity move, but im having trouble. Here's the code i have. using UnityEngine; using System.Collections; public class NewScript : MonoBehaviour { Camera camera; ...
0
votes
2answers
157 views

Grouped enemy movement out of sync after changing directions [closed]

Im working on a Galaxian/Space Invaders Inspired game. Im working on the enemy movement and am running into an issue where the enemies get out of sync when changing direction. My setup is that I ...
-1
votes
1answer
287 views

3D Character Development [closed]

First and for most. I do have a fair amount of experience programming. I have experience with many programming languages and I have taken a few courses in computer science. I have development some ...
1
vote
1answer
116 views

Movement constrained to the faces of a cube

The basic setup I'm working with is a cube rendered in-Engine (Panda3d, although I only am looking for a generalized solution) as well as a 2d square on one face of the cube. The eventual outcome I'm ...
0
votes
2answers
311 views

Using timer to reverse enemy movement in Flash game made with Flixel

I am creating a 2d flash game using Flixel 2.5 in Flash Builder. I am trying to reverse enemy movement on an interval so that they will move back and forth over a set space. I felt that a timer would ...
5
votes
2answers
284 views

How can I normalize a vector if I am handling movment of each axis seperatley?

I am writing a 2D tile based game engine in XNA, and I've recently fine-tuned my collision detection using the answers provided here and more specifically here. The tile based collision detection now ...
1
vote
2answers
90 views

Scene - human speed correlation

I am writing a really simple game with a scene (horizontal plane) and a human moving to the right of the plane (watching the simulation from the +z axis). The scene contains some trees, which I am ...
5
votes
1answer
495 views

Character Movement in 3D games

I'm either not searching correctly or there is really not a lot of material on Character Movement in 3D games. I'm mostly interested in how people usually implement character movement in games like ...
7
votes
2answers
442 views

Movement on a curved planet surface

I'm looking for a solution for moving a variety of objects over the uneven surface of my planet. The idea is that I will have a number of objects that follow the planetary landscape moving about in ...