# Tagged Questions

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

3answers
823 views

### Unity - How to move a ship realistically to a point in a 2D top-down game

i'm trying to move a sailing ship to the point where i clicked with the mouse. this movement should be realistic (oar at the back where the ship moves around) so if the mouse click is left and in ...
1answer
61 views

### Particles to Denote Movement in Space

I'm currently working on a WebGL project to realise an idea I've had for some years. On my desk is book on making a space sim written 15 years ago. There I found some algorithm for particles in space....
2answers
220 views

### Enemy moving towards Player in a 2D setting?

i want to apologize if this seems so basic, but I'm having trouble having an Enemy move in my Player's Direction in a 2D Top-Down game. I already saw a lot of other answers but they all use the ....
0answers
159 views

### unity lag while moving a sprite

I'm trying to build a 2D game for android and after I finished developing the game I noticed that there was lag present when moving objects around. I tested it on a phone much more powerful than my ...
1answer
91 views

### Rotate sprite direction Cocos2d

I want that my sprite go always forward, and you can only control his direction moving right and left (on 360 degrees). I don't know why, but the movement it's senseless. The constants to move and ...
3answers
3k views

### How can I move an object in an “infinity” or “figure 8” 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?
2answers
208 views

### Movement with Vector Math

After reading This SO post on Vectors, I'm still pretty confused on how to use vectors to move my entities at any angle. The SO post assumes only 90 degree angles: if up pressed: direction = ...
1answer
254 views

### Bouncy Ball stops without enough force

I am building a 3D Pong clone and want to implement a frictionless bouncing ball. These are the steps i took: Create a box in which the ball can bounce, consisting of standard cubic objects. Create ...
1answer
86 views

### How to make an enemy projectile head to the player's position with constant speed

How can I dynamically set the movement speed of the X and Y of the projectile so that it moves at a constant speed when the projectile heads at the player's position? I know this has something to do ...
1answer
104 views

### Vector3.MoveTowards on y axis only

I am making a final boss fight area and it has multiple platforms that go higher and higher up, I need the boss to follow the player up and down. I have a script that has the boss the follow the ...
1answer
98 views

### Acceleration problems

Im trying to make a car game, but i cannot get the acceleration code right. With this code: if(gas){ speed += 3; }else if(break_ && !(speed < 6)){ speed -= 3; ...
2answers
413 views

### Using Unity's `transform.translate()` to translate relative to an object but only using two axis

I'm using transform.translate() to move an object around the world space, relative to the camera that is following it. The camera has an angle of 23 degrees on the X axis. The problem is that when I ...
1answer
99 views

### Move two different objects to two different destinations so they arrive at the same time without using lerp

I might be missing some simple thing but I'm not I am able to wrap my head around this. Normally, if I want to move two objects to different positions so they arrive at the same time I would use a ...
0answers
43 views

### Moving a RigidBody via camera vector?

I have a third-person/first-person controller that moves a character via rigidbody. In 3rd person this looks alright but in first-person this movement is sub-par because the camera jitters and one ...
0answers
113 views

### Character Movement and Collision with Ragdoll Rigidbodies/Colliders?

I have a player character that I'm moving with a character controller script and it is moved by applying velocity to a Ridigbody. This works when I have a rigidbody component on the player but my ...
1answer
47 views

### How to decide the direction of movement, when navigating a fixed path in a 2d overworld?

Suppose, I have a 2D overworld like in Super Mario Brothers 3, but without junctions or intermediate nodes. Only a single, contiguous path of level nodes, which should be navigated with the arrow keys....
1answer
65 views

### libgdx automove Actor does not work

I am trying to make my sprite start moving from the moment it is created and do its animation. It draws on the screen right and animates but doesn't move. It should start moving towards the direction ...
0answers
42 views

### SDL and smooth transition between changed movement direction

I have an object at position (x,x). Using SDL keyboard events every time the user presses one of the arrow keys the objects is to be translated (via a glTranslatef() call for the x and y axes) by a ...
1answer
59 views

### Isometric Mouse Camera Panning

I am building an isometric game environemnt and i want to be able to pan the camera around the map by holding the right mouse button, can someone talk me through the logic for this please, i have made ...
1answer
531 views

### How to get direction and velocity of movement of an object dragged with the mouse in Unty (C#)

I have an object that is dragged by the mouse (X and Z positions) over a table, with the following simple code: Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition); if(Physics.Raycast(ray, ...
0answers
26 views

### UDP - PlayerPosition updating - SequenceNumbers

I'm trying to implement a reliable UDP system, which sends and receives player positions. In my opinion, there is a mistake somewhere in the code, cause it's still moving the character back (not far, ...
0answers
88 views

### Matinee movement track on multiple actors

I have some different actors (all spheres) that i want to move along a path (circular) and they also need to roll when they are moving, so i tried this using matinees movement track and attached all ...
1answer
84 views

### Player launches into air when hitting steep slopes

I've been debugging an issue where when my player is moving forward at high speeds (I have configurable movement modes for an overview/overwatch mode) if they are in walk mode and hit a steep slope ...
0answers
131 views

### Unity - principle of moving GameObjects / AddForce vs MovePosition vs position.transform

having generated a Mesh with MeshColliders as Terrain i want to move gameobjects in a RTS way along the map. i searched the Web alot, but iam having troubles figuring out HOW to move my Character (...
1answer
276 views

### How do I quantify the curvature of a touch swipe?

I'm implementing a touch controller for my game. I am attempting to imitate Tiki Taka Soccer's "ball shooting" controls (gameplay video), where the curvature of the player's swipe affects the curve ...
1answer
137 views

### How do I set an object's speed to arrive in X seconds?

I want to move an object to a point in the game world, I have the distance value which is far the player should move. I want to complete the movement in X seconds. I have tried many equations and ...
1answer
119 views

### Transform.forward having problems after rotation

I have this script, void Update () { float pitch, yaw, roll; pitch = Input.GetAxis ("Mouse Y"); yaw = Input.GetAxis ("Mouse X"); roll=Input.GetAxis ("Roll"); ...
1answer
135 views

### How do I move a sprite with out the sprite leaving a trail? [closed]

NEW IMAGE NO SPRITE WITH : if(q>=15){ screen.clear(0); screen.render(Art.sprites[i][0], 20 , cx); i++; movement(); cx+=1; if(i>=3)i=0; ...
0answers
74 views

### 3D Player/Character velocity/acceleration/friction/movement

I'm in a bit of a pickle and I'd sincerely like anybody's help. I'm working on a 3D platformer similar to Crash Bandicoot and I'm a little bit confused on how to set up the velocity and acceleration. ...
0answers
38 views

### Collision detection for multiplayer game with MatterJS

We are developing JavaScript multiplayer top down game where characters can move freely and collide with each other. We are rather weak at mathematics and physics, luckily we don't need much, just ...
1answer
342 views

### How to implement view bobbing?

I'm developing a First-Person shooter game. Everything is just fine but I've a little problem with my camera moving. My FPS camera is moving smoothly! But the camera should move like a human is ...
0answers
55 views

### Troubles in moving objects

Hi everybody! Actually, this is not a game, it's a gravity simulation program; however, people on StackOverflow told me to put questions about this program here, since it's a program I'm making to ...
0answers
54 views

### Unity 2D - GUI box not moving with game object on X axis

I am trying to create a health bar above a spaceship in a 2d spaceshooter. Right now I just need to create a box and move it with the player. I found WorldToScreenPoint() which should work althought ...
1answer
16 views

### characterController reference issue

I am trying to move my character to point that taken from mouse position. here is my code: private Vector3 hittedPoint=Vector3.zero; if (Input.GetMouseButtonDown (0)) { Ray ray = ...
1answer
72 views

### Basic game loop, what does Update() and HandleInput() mean to you?

I have been developing a game and until now I have been handling input like so: Player presses a key HandleInput() acknowledges a key is pressed calls a function within the Player class which ...
1answer
207 views

### Player takes too long to start walking

I'm new to Unity and after doing some tutorials and reading documentation from Unity, I've started a test project. The game is a 2.5D platformer and I wrote the PlayerController; it looks like this: ...
1answer
45 views

### Camera will not move between given points, stuck at first given point

[EDIT: Working code added] [Original question] I'm putting together a "raid cam" or "overview cam" for a given map in my shooter for an observing player to use to fly down a given preset path (to ...
1answer
44 views

### How to manipulate unity camera in a C# script? [closed]

I am new to unity and i'm trying to move the camera to follow the player, but everything i tried won't work. Please explain what each step is and show code. I want to add to its position not use ...
0answers
46 views

### Rotate Object inside room according to wall

I have a room. I am trying to move an object whenever it collides with a wall. It's working properly except at the edge of two meeting walls. At the edge it's flicking. I tried to move the object when ...
2answers
631 views

### Best way to constrain character to a path?

I'm in the process of developing a level-based runner for mobile phones, and I've hit a wall when deciding which method to use to get the character to move through the level. Basically - I need my ...
1answer
56 views

### Stop player following cameras cameras direction

Okay I'm not going to go to much into it but this is what I need my script to do. The way I have my controller set up is that the camera looks to the side of the player a little bit. I use this for ...
2answers
94 views

### Choppy movement

So, I'm trying to write some code in C# XNA to make an enemy move in a random direction for 0.5 seconds, then switch direction and once again move for 0.5 seconds. However the problem I've discovered ...
2answers
321 views

### Best 2d AI movement system

I'm creating a top-down rpg (no tile-based) using libgdx. Now I need to make enemies move on map with obstacles. What is the best approach to realize that? A*(I think, if enemy see player, he should ...
1answer
164 views

### 2D grid based game merging boxes

Basically what i have at the moment is a tile based game with a grid containing a number of colored cells. this is what i've done so far The prinipal idea of the game is that the user has to ...
1answer
592 views

### Why do my game objects jitter when moving the camera?

I'm moving from Qt Widgets' QGraphicsScene to Qt Quick's QQuickItem for rendering my game objects. One of the things this involves is setting up a scene and the view onto that scene, as this was ...
0answers
30 views

### Platformer Tile Map Collision Help

I've been working on a small platformer as a simple project but, I'm having troubles with my collision detection. What I want is that as the player falls due to gravity, it will stop when it touches ...
2answers
80 views

### On key press, spawn a collider where my player is facing?

I'm trying to create an attack mechanic to my player hero in my 2D Tower Defense game. When I press the Q button I want my hero to do an animation and spawn a temporary collider shaped as a cone at ...
2answers
2k views

### How to check if grounded with rigidbody

Does anyone have a better way to make an object with a rigidbody check for ground and then jump, right now I wrote a script where a raycast is cast downwards and it checks for distance but then I ...
1answer
95 views

### How do I calculate the position of a vehicle moving between tiles, over time?

I'm working on a small multiplayer game where players can create cities, and these cities will be placed on what's called the "world map." The world map is basically a giant coordinate plane made up ...
1answer
32 views

### Polar movement towards cursor sfml and c++

I got smooth movement down moving based on the window but I wanted to see if I could move my sprite to my cursor when I pressed w instead of just in the -y direction but everything went wrong right ...