A simple term for "translation", the change of position of an entity typically on the route of going from point A to point B.
0
votes
0answers
16 views
Sprite won't travel properly to a point
I am creating a game in which I would like the player to be able to click a location and have the character travel to it. This is the code I am trying to use for this:
if (Mouse.GetState().LeftButton ...
0
votes
1answer
153 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
53 views
Camera movement bug
In my game, the player's movement script and the camera's movement script are separate.
Both of them use "W", "A", "S", and "D" to move. The camera can also use "Q" and "E" to rotate around the ...
0
votes
3answers
60 views
How can I calculate force and acceleration?
I have problem of calculating the movement of the object.
At the moment, I have a vectors calculated from the center of the screen minus the position of the object.
direction vector = centerScreen ...
1
vote
1answer
371 views
Why is my Texture becoming slower when it approaches it's destination?
I have a texture drawn on screen. Whenever I click on the viewport it remembers its destination and starts moving towards it, until it is there. This is the code I am using therefore:
//Check if ...
1
vote
2answers
115 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, ...
1
vote
0answers
48 views
How do I make a game object move at an angle in an integer-indexed grid? [duplicate]
I'm making a game in SDL2 and C++. I want a way to make any game object move in a specific direction. I've thought of assigning each object a direction in radians, from 0 until 2 PI where 0 would ...
2
votes
1answer
97 views
How to prevent a sprite to move in an angle that will lead to collision
I have two sprites that can move in any angle. The sprites are rectangular.
I created bounding boxes for both the sprites. These boxes rotate whenever the sprite rotates. They always surround the ...
1
vote
1answer
50 views
TopDown 2d player control
Whats the usual way to control a player in a top down game? We have to look in the direction of the mouse cause the player hold a torch.
My first try was:
to to make it absolute like W move to ...
1
vote
1answer
197 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, ...
4
votes
1answer
131 views
How do I make a cube move by rolling?
I am learning jMonkeyEngine by making some small games with it. I have a simple rectangular cube that I want the player to be able to roll around the game world.
When he presses the arrow keys, the ...
1
vote
3answers
58 views
Getting sprites to move exactly the same on different devices
Background
When moving a sprite along the X axis, this is my code:
spriteXReal = spriteXReal + (spriteXVel * dt); //.5 would be halfway point of, 1 would be right hand side screen etc... ...
0
votes
1answer
147 views
Limiting the speed of a dragged sprite in Cocos2dx
I am trying to drag a row of sprites using ccTouchesMoved. By that I mean that there is a row of sprites (they are colored squares) lined up next to each other and if I grab one with a touch the rest ...
1
vote
1answer
83 views
Calculating How To Intercept a Moving Object [duplicate]
So I have two objects, Target and Interceptor. Target's position, direction of movement and movement speed are known, and Interceptor's position and movement speed are also known. Both movement speeds ...
0
votes
1answer
54 views
How can I move the view in a DirectX game?
I'm making a game in C++ using Direct3D 9. How do I move the camera at constant rate?
I'm making a Flappy Bird type game and I'd like to move the camera forward through the level.
14
votes
3answers
3k views
How does client-side prediction work?
I've read Valve + Gafferon and hundreds of pages from Google, but for whatever reason I can't get my head around client prediction.
To my understanding, the basic problem is:
Client A sends input ...
1
vote
0answers
78 views
What are the disadvantages of client-side prediction?
There's lots of talk of server-side prediction, but I haven't seen a client-side alternative implemented anywhere.
My game uses mouse-based movement, so it's easy to predict the player's location ...
0
votes
0answers
52 views
Farseer Player Movement and Collision
I have added a video link for any one who whats to see what the problems are by watching the game.
I am trying to create a player movement system and there are small problems that I am running into.
...
1
vote
1answer
157 views
Player Movement Systems
I am working on a project were in class my group of students help produce a video game. We are creating a 2D platformer and was trying to make a pixel based system collision witch fell through. Now I ...
1
vote
1answer
127 views
Ice sliding physics
I am trying to implement ice sliding physics on a plane for my game. There are a lot of N64 games that implemented them perfectly well, like Banjo-Kazooie, Super Mario 64, Zelda: OoT and MM, etc.
...
0
votes
1answer
62 views
What's the best way to time a character AI movement on android/java?
I'm creating an android game and I'm trying to figure out the best way to time a character position change, something like this:
public void move() {
//this.posX += 5;
this.posY += 5;
if ...
0
votes
0answers
42 views
Make bitmap moviment on android canvas using timer or handler/Runnable/postDelayed
Im trying to to move enemies on a android canvas, i have to update its x and y position every x time (run enemy.move() every x time). I got 2 problems:
Currently im implementing my canvas redraw ...
0
votes
1answer
108 views
How to clamp player movement correctly?
I have a 2D space shooter game. I looked up some questions from unity community and came across this solution. Below is the code for my player's movement:
//horizontal <- || -horizontal ->
...
0
votes
1answer
75 views
How can I delete an enemy's bitmap from a canvas?
I'm learning to create an Android shooter game where I'll have multiple enemies. I must control the position on the screen and be able to delete each of then (via, for example, a die() function).
...
0
votes
1answer
80 views
How do I implement following behavior with a state-based AI? [closed]
I'm making a 2D game with two spaceships flying around shooting each other. One spaceship is controlled by the user, the by an AI. I want to use a simple Finite State Machine (FSM) for the AI.
I'm ...
0
votes
2answers
58 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
2answers
83 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 ...
3
votes
1answer
191 views
How can I easily model semi-realistically human movement and collision in a 2D game?
I am writing a sports simulation game in which the simulated players will interact physically with each other (i.e. tackle, push, bump...) as well as do individual actions such as changing direction ...
2
votes
4answers
503 views
How can I implement a directional melee attack?
I am attempting to make a top down game similar to the SNES Zelda games, in Unity 4.3, in 2D. When my character swings their sword, every enemy within a radius takes damage. I want to make sure that ...
2
votes
2answers
157 views
How can I incorporate the path of a jump into my A* implementation?
I need to calculate the path of a jump via A* for a simple platformer game. Calculating the direction is simple, but translating the jump physics into pre-calcuted voxel paths is a bit difficult. ...
1
vote
3answers
153 views
How to move an object along a vector
Let's say I got an object A and object B in a 2D game.
I create a vector leading from A to B. It's name is AB.
How can I make A move along the vector AB and reach B?
One way I was thinking of doing ...
1
vote
2answers
190 views
Change AI steering behavior's direction to 8 directions
I am making a 2d soccer game, all players move in 8 directions, so I need to convert AI steering behavior(like arrive and pursuit) into 8 directions.
Here are three example situations:
Player(now is ...
2
votes
1answer
1k views
How to move an UIView along a curved CGPath according to user dragging the view
I'm trying to build a interface that the user can move his finger around the screen an a list of images moves along a path. The idea is that the images center nevers leaves de path.
Most of the ...
0
votes
1answer
109 views
How can AI compute movement in 2D games
I know how to create a basic AI for a game, where the AI simple creates units that only march forward. The AI only decides when to create a new unit, taking into account a number of considerations.
...
0
votes
0answers
17 views
Making an object fly in an arc (a parbola) [duplicate]
I'm making a game where there should be a robot throwing ball-shaped objects at another robot.
The balls thrown should fly in the shape of a symmetrical arc. Pretty sure the math-word for this is a ...
0
votes
1answer
97 views
Particle movement in three Dimensions
I have created a particle system which movement is controlled by a flow field over perlin noise - Available here.
I would be very thankful for any ideas and tips how to control their movement on the ...
1
vote
2answers
121 views
How can I move an object towards another along a straight line
How can I move an object (like a cube) towards another object?
Let's say that we have a red cube in the center of a floor, and a blue cube in another location, there aren't objects between this two, ...
0
votes
0answers
120 views
Server Character Movement calculation
I am creating the movement function for an 3D MMO game server. It seems that I cant no get the position calculation to match the client and was wondering the best way to do this. Let me explain.
The ...
0
votes
0answers
96 views
Having trouble with 2D texture movement
I'm having trouble with smooth character movement for a 2d game I'm making.
It looks like the character is double when moving. Kinda like this (its just one pixel though):
( ()
/ /{}\ ==>
| ||
...
0
votes
2answers
125 views
character and camera not moving in the same speed
the two scripts below do the similar things,
get the key press and calculation the direction
after the direction calculated, they multiple with the same speed, say 0.05f,
while the character and the ...
0
votes
1answer
119 views
Movement / aiming algorithm in 2d / tiled based game
I'm trying to create simple 2D / tiled base game in JavaScript. Entities are able to move by any number of pixels, but only in one direction at once (can't go in diagonal way). AI for enemies is ...
0
votes
1answer
48 views
How to make box2d bodies block each other but not push each other?
I want to use box2D to create a movement system for an RTS game. How can I make bodies block the movement of other bodies while preventing these bodies from pushing each other?
13
votes
3answers
683 views
AI to move custom-shaped spaceships (shape affecting movement behaviour)
I'm designing a networked turn based 3D-6DOF space fleet combat strategy game which relies heavily on ship customization. Let me explain the game a bit, since you need to know a bit about it to set ...
0
votes
0answers
38 views
Simple Ping Pong Game in C# [duplicate]
Hi, I'm making this game called "Ping Pong". I made an algo for the movement of the ball. Now, I want that whenever the ball touches or collides with the player (pictured above), it should bounce ...
0
votes
2answers
97 views
very simple math destination and speed calculation
My player goes to (destinationX, destinationY)
His position is: (x,y)
and the player has an update event
function update() {
this.x = this.x + dx;
this.y = this.y + dy;
}
what is the formula ...
0
votes
1answer
78 views
character movement data passing on server
I am trying to build my first online game using unity with photon, the data transfer between server and clients is implemented but I am facing a great problem; How/What should be transferred to ...
4
votes
1answer
237 views
Implementing David Silver's Cooperative Pathfinding in Real-Time
I'm currently implementing David Silver's Cooperative Pathfinding algorithm for a 2D game with grid-based movement (all eight directions).
The issue I'm having trouble wrapping my mind around is the ...
3
votes
2answers
168 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 ...
2
votes
1answer
132 views
bullet character controller sliding down any slope gradient
I've been experimenting with the btKinematicCharacterController. I've seen very old complaints that it has issues but I can't find anything recent stating that these issues remain (and nobody ever ...
0
votes
2answers
69 views
Angluar movement
I'm making a little game where you are a spaceship and you fly around in 2d using the A and D key to rotate and the W key to accelerate. Now my problem is if i turn my ship it doesn't go into the ...
