Game worlds are viewed from a camera, which is the viewpoint from which the game world is observed from.

learn more… | top users | synonyms

0
votes
2answers
84 views

How to fix the character flip when using an orthographic camera in libGDX

I used an orthographic camera to follow the character (player), but the problem is that my character is flipped. There are no tutorials on how to fix this. Please help as fast as possible. Here is ...
0
votes
0answers
72 views

Unity 2D Game: Camera following target and looping stage

I'm with a problem and I need some help, because I'm on early learning of gaming and Unity, and i want to learn doing it, so, i need all the help, you developers know how each little help, helps a ...
0
votes
1answer
39 views

Relationship between Camera's view size, screen resolution and objects scale

I've had this question since a long time ago and wanted to know the relationship between how an object is viewed through the camera depending on the resolution of the device, the camera's view size ...
1
vote
1answer
63 views

Determine which face of a cube is facing the camera

I have a Cube with a unique color for each face. I made a script where I can swipe and rotate the Cube in increments of 90 degrees in each direction. what's the best way to determine which face of a ...
0
votes
0answers
29 views

Camera is in the wrong position with assimp

I have created a model in 3ds max (exported as fbx) with two meshes and a camera in Assimp. After importing the scene and making the transforms to get everything in the world view I have managed to ...
0
votes
1answer
43 views

Everything black except where there's a light

I have a camera in my scene with a map created at runtime: As you can see everything can be seen. Now I want the map to be invisible (black as the background) except where there are lights. How can ...
-2
votes
2answers
87 views

In Unity, how do I make the camera follow a character?

When my character moves, I want the camera to follow them, such that the character always stays in the middle of the view. How do I do that in Unity? Here's my code right now: using UnityEngine; ...
2
votes
2answers
83 views

How do I keep my orbiting camera upright?

I am working on code that rotates the camera around a point on the in-game map when dragging the mouse. I understand how to lock it so it stays above the map surface. However, if I keep rotating the ...
0
votes
0answers
29 views

Cameras overhead

I'm planning on using several cameras on Unity with different size to create a parallax background. I'm concerned that addidng maybe 3-5 cameras just to render the parallax background is an overkill. ...
1
vote
1answer
48 views

Unity free look camera on two axes. How do I do it?

I'm new to Unity and c# but have programming experience... I have a a simple "game" in Unity that shows one sphere orbiting another. How do I allow the camera to be moved by the user in a "free ...
1
vote
1answer
150 views

Adding some recoil to the Camera so that the crosshair is pushing to the sky (FPS game)

I just want to add some recoil to the camera, but I can't find a working script. It's an fps, so I take my mouse axis to rotate the camera. And now I want a pushback to the top, so that the camera ...
1
vote
1answer
408 views

Destroying Unity GameObject when it goes out of camera during runtime

I have this GameObject instanciated in unity - void Start () { GameObject myRoadInstance = Instantiate(Resources.Load("car"), new Vector3(5, 5, 5), ...
0
votes
1answer
47 views

Check if is object in camera field and not covered by other object

I know how to check if object is in camera view but how I can check if that object is cover by something elese? In my case I want to turn on or off some effect when I look at light. At this moment my ...
2
votes
1answer
4k views

How to implement a basic arcball camera in OpenGL with GLM

I only just started learning OpenGL and even things like vector maths etc a couple of days ago, so I am having a bit of trouble figuring out exactly what to do to implement an arcball camera system. ...
0
votes
0answers
37 views

Particle system ONGui()

I have some scripts which uses OnGUI() method and they are attached to my GameMenu object. I need to play a particle system on the scene while the GUI scripts are active. When I do that I cant see the ...
0
votes
2answers
1k views

Set new forward directions based on camera position [duplicate]

I have a 3rd person camera which can rotate around the player. When I look at the back of the player and press forward, player goes forward. Then I rotate 360 around the player and "forward ...
0
votes
1answer
94 views

Rotate camera keeping player not in the middle

Here I have a 2D top down game. Currently the camera is set on the player position. The player constantly points to mouse position. I want to modify this setup having the camera to be set slightly ...
1
vote
0answers
56 views

Different Screen Sizes and Camera in Unity

Now I know that no matter what the screen size is the camera will keep its height, so no worries about that. My question is, is there a way to manipulate the camera, either its orthographic size, or ...
2
votes
0answers
68 views

Rotating a 3rd person camera toward a target

I have a 3rd person camera that doesn't look directly at the player but somewhere in front of him. When the user enter shooting mode, I want the camera to turn around the player to face the target. ...
1
vote
1answer
41 views

OrthographicCamera and viewport not giving expected effect

I recently asked a question about this area that I think was too broad, so I will try a new approach. I have the following code I am experimenting with: batch = new SpriteBatch(); ...
0
votes
2answers
193 views

FPS camera specification

I remember I once composed a FPS viewing transformation, as a composition of 3 rotations, each with an angle as a parameter. The first angle specified the left/right rotation around the y-axis, the ...
3
votes
1answer
178 views

determining view boundaries based on z position when using a perspective projection

I'm using three.js to make an animation of a box moving around the screen in 3 dimensions. It is moving pseudo-randomly, according to a noise function. So, I want to place an invisible wall just ...
4
votes
2answers
330 views

How can I achieve a pseudo-3D camera effect like this?

I am trying to achieve a pseudo-3D camera effect similar to this: I have gotten the following results using a 3D camera and billboards: I am now running into the following problems: In the ...
0
votes
1answer
89 views

The camera in a 2D tile based side scroller is moving slower than the player [closed]

In my 2D tile based side scroller, I want a camera that scrolls in the x direction, but not in the y direction. The world is separated into three zones; one on the left and one on the right where the ...
2
votes
1answer
423 views

Processing - implement a first person camera?

First off, I'm sorry if there are duplicates of this. I did an extensive Google search but was unable to find anything that made sense to me. (I am new to 3D rendering and such.) I want to make a ...
1
vote
1answer
133 views

How To calculate camera boundaries

Is it possible to calculate the exact camera bounds? By this I mean the white lines that represent the camera area e.g the lines in the picture: I'm using Camera.main.screenToWolrdCoordinates to ...
0
votes
0answers
21 views

How to get camera to follow player, but stop when reaching end of screen? [duplicate]

I'm making a 2D game in Unity and I'm having issues with the camera. I need the camera to stay within the boundaries of the level (the background sprite), but then follow the player around the level. ...
0
votes
0answers
72 views

Images not scaling properly in LibGDX when using “batch.setProjectionMatrix(camera.combined);”

I am trying to put Assets into my game but when i put in the line of code "batch.setProjectionMatrix(camera.combined);", which from my knowledge scales the Asset to the size of the window it appears ...
58
votes
9answers
22k views

Why do we move the world instead of the camera?

I heard that in an OpenGL game what we do to let the player move is not to move the camera but to move the whole world around. For example here is an extract of this tutorial: OpenGL View matrix ...
4
votes
3answers
258 views

Extract smaller frustum from camera frustum?

Background: I was thinking of implementing multiselection by performing a frustum culling on a sub-part of the screen. Problem: Given total screensize, a rectangle on the screen (pos, size), and ...
0
votes
1answer
127 views

WebGL (three.js) - rendering object behind camera far plane

I need to have one object that is always visible/rendered (a lens flare, to be exact). I don't want to set the camera far plane to the maximum possible distance between camera and the sun (performance ...
0
votes
0answers
47 views

Matching the 3ds max camera view in my game 1:1

I want to match 1:1 the 3ds max camera render with my 3d engine (DirectX 11, C++). I believe that my mesh exporter (coded with MaxScript) works fine, I see the right shapes. But something about the ...
1
vote
1answer
183 views

Camera is centered on character, but doesn't show character in game window

I'm using Unity 4.6.3. I create an animation from sprite. When I press Play button, I see animation plays on scene window, but on Game Window, I don't see anything. Here is Inspector for main ...
1
vote
1answer
171 views

3D model editor manipulators

I'm trying to make my own 3D model editor to better learn 3D programming. I have my translate manipulators and I'm trying to calculate the Vector2 that the mouse would have to move in order to move an ...
0
votes
0answers
42 views

Motion Blur (as per GPU gems article) only considers camera rotation, not translation

I am following this article and have implemented it exactly as described: http://http.developer.nvidia.com/GPUGems3/gpugems3_ch27.html The problem is that things are only blurred when the camera is ...
0
votes
1answer
124 views

Camera Movement Smoothing

I am trying to smooth a camera I create in my game, but I can't seem to find a way to actually do this correctly. What I have : //Calculate the "current" Forward vector var cameraForward = ...
0
votes
1answer
41 views

First Person Camera Target

I have a camera at position P, and a normalized direction vector D (where the camera is facing). I want the target of the camera to be 5 units forward from the position. Here's my attempt: F = (0, 0, ...
10
votes
4answers
4k views

Why the clip space in OpenGL has 4 dimensions?

I will use this as a generic reference, but the more i browser online docs and books, the less i understand about this. const float vertexPositions[] = { 0.75f, 0.75f, 0.0f, 1.0f, 0.75f, ...
0
votes
1answer
121 views

2D game with angled top-down camera perspective [closed]

I want to create a game similar to binding of isaac, a slightly angled top-down 2D game. In binding of isaac, the character moves and shoots along a 4-way path, so when he is shooting towards East, ...
2
votes
2answers
1k views

LibGDX keep camera within bounds of TiledMap

I have a simple TiledMap which I can render fine. I have a player hopping (with Box2D) around and my camera follows the player around: cam.position.set( player.position().x * Game.PPM + ...
0
votes
1answer
33 views

How to compute the forward facing direction from three angles and then translate along it?

Given: float yaw, pitch, roll; How does one compute the forward direction: vec3 forward = computeForwardFromEulers(yaw, pitch, roll); Next, I would like to use this information to translate an ...
0
votes
1answer
124 views

Distortion problem with perspective projection

For various reasons – partly educational, partly technical – I'm writing a 3D game engine from scratch, using OpenGL 3.0; aiming for Core Profile, eventually, so of course I'm using a custom matrix ...
4
votes
4answers
7k views

How to add a scrolling camera to a 2D Java game?

I am attempting to create a game where the camera follows the player, always making sure the player is in the center of the screen. How would I go about this? This game is a 2D Java game, made with no ...
0
votes
1answer
68 views

Sprites and Box2d

I'm starting to see how box2d works now, except I dont know how to scale the screen to diffrent screen sizes and how i can convert Sprite sizes to box2d units. I know box2d uses meters and such, but ...
0
votes
1answer
116 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
0answers
33 views

Display problems with iPhone4s and Unity

I'm having an issue with the screen on iPhone4s. I calibrated the camera's viewport size depending on the screen resolution. This has given me buggy results on the 4s since ther e is a black stripe of ...
0
votes
0answers
31 views

Does the on-screen size of object change with the direction of camera?

I'm reading the following document, and on page 3 it says: The first thing to notice is that the desired projection on the screen does not change with view direction. That is, whether the screen is ...
0
votes
0answers
231 views

OpenGL - Arcball camera rotation

I'm implementing arcball camera rotation, whereby a camera is looking at a coordinate and rotates around it in the x-axis or the y-axis such that the camera is circulating around it; the y-axis will ...
0
votes
1answer
79 views

Mouse position to grid position not working

I have a function which converts my mouse position to grid position in the game but it is not working properly... its slightly off. I have two functions - one which converts from grid to screen ...
2
votes
1answer
255 views

LibGDX camera position shifted on movement

I'm programming a game with LibGDX and Box2D and I want my camera to follow my player. But as I zoom in (because Box2Ds metric system, using camera.zoom = x) the camera is shifted when the player ...