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

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2
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2answers
9k views

How to use Input.GetAxis(“Mouse X/Y”) to rotate the camera?

I want to make a first person camera that rotates with the mouse. I looked at the Input.GetAxis Scripting API page and found a sample code, which I have included at the bottom of my post. Upon trying ...
0
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1answer
139 views

Making certain GameObjects visible for a camera

I have 2 cameras in my 2D game. One displays gameobjects normally, and the other camera draws some of these gameobjects reflected (scale.y *= -1). The reflected camera would draw only objects in the "...
0
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0answers
15 views

Feeding accelerometer data to vjoy

I am getting roll, pitch, yaw data from my accelerometer data. How do I map it to vJoy's appropriate axes given as X, Y, Z, Rx, Ry, Rz and Slider1, Slider2? Do I have to reverse engineer into ...
1
vote
3answers
431 views

Orthographic Camera settings for a 2D game

I'm starting out a 2D wrestling game in Unity 5 and i need some help. The default resolution of game needs to be 320x240. The background sprite that i would be using is 640x480. The camera would move ...
1
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0answers
49 views

Interpolate camera rotation over many keyframes smoothly

I have a defined set of rotation/position keyframes that I want a camera to animate between smoothly. Handling the position is easy enough using cubic bezier curves (and just auto-generating the ...
2
votes
1answer
365 views

How can I add a transparent overlay to a UI in libGDX?

I am attempting to use the following code shapeRenderer.begin(ShapeRenderer.ShapeType.Filled); shapeRenderer.setColor(3,3,3,.3f); shapeRenderer.rect(0,0,gameWidth,gameHeight); ...
1
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2answers
312 views

LibGDX - Managing a Minimap

I'm making a top-down strategy game so I thought a minimap is a must. I'm using Scene2D to display my GUI and since the minimap is technically a part of the GUI, I used the stage camera to position ...
2
votes
1answer
112 views

How to calculate if a point is contained in rectangular camera viewport with rotation?

I am working with my camera, and am trying to improve it so that I can calculate if a world point is on screen, taking rotation into account. Currently, my camera rectangle is calculated as so: ...
1
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1answer
154 views

Error in projecting coordinates from FitViewport to screen in LibGDX

i'm using a FitViewport to render my "game world". Viewport virtual dimensions are fixed 400x240. I use viewport.unproject method to scale input touches from screen coordinates to world coordinates, ...
1
vote
2answers
239 views

Stop rendering hidden objects libgdx

I currently am hiding objects that are not in the frustums view. However, some objects are still being rendered that are in the frustums view, but are hidden. My goal is to not render objects that won'...
0
votes
1answer
637 views

How can I implement a quaternion camera?

I am trying to implement a quaternion camera in OpenGL 3.3. I have so far used these tutorials below however I have a bug which I cannot work out how to fix. http://ogldev.atspace.co.uk/www/...
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vote
1answer
121 views

What is next to interpolate camera position with smooth speed changes?

I am working on a path camera to be used in demo playback. (3d game) The spline math used is catmull rom. I am on my second attempt to get constant position speed :( (someone else is doing rotation). ...
1
vote
1answer
199 views

Monogame / XNA - Multple 2D Cameras (Rectangle) on screen

I recently started building a simple 2D roguelike game using Monogame 3.4. I was keen on building the game "engine" myself as I saw it as a fun learning curve. Monogame was pretty much the best option ...
1
vote
1answer
247 views

Why is the camera tilting around the z axis when I only specified x and y?

My goal is to program a camera to point towards the mouse cursor. I attached the following script to the Main Camera. using UnityEngine; using System.Collections; public class CameraController : ...
1
vote
0answers
48 views

Quaternion camera in 3D space with Pitch and Yaw

I am having trouble implementing a quaternion camera that can fly freely in 3D space with only Pitch and Yaw rotations. It works fine except when you look up or down and then try to look left or ...
-1
votes
1answer
86 views

Camera rolls instead of looking up and down

I got a small script from the official Unity forum which is: public class MouseRotationUpDown : MonoBehaviour { public float RotationSpeed = 5; void Update () { transform....
0
votes
1answer
271 views

How to put the “camera” inside a cube in OpenGL

I'm really new to OpenGL and can't seem to figure out how to put the "camera" inside the cube I've created so that I can move in an FPS-like style. I tried to use gluLookAt and gluPerspective but I'm ...
-1
votes
1answer
105 views

Why is this unity camera moving in weird directions?

I have the following script public class CameraScript : MonoBehaviour { public bool AllowZoom; public float zoom; public float Speed; Transform board; void Start(){ ...
4
votes
1answer
732 views

Convert large range of numbers to a smaller scale

What is a good formula to use in order to relate two different scale distances to each other? For example, I have a camera that can have a minimum size of 2 and a maximum of 10. I would like the ...
2
votes
1answer
506 views

2D Camera sizing and movement

Apologies if this is a basic question, or been asked a 1,000 times in the past... I'm new to Unity, and having problems understanding some of the basics to do with 2D cameras (orthographic), and ...
2
votes
1answer
135 views

What can cause shadow slicing while moving camera?

Can't explain better than with video: https://youtu.be/4nIMIL6w-0M The effect I'm trying to achive is a simple fog of war. See, I have a point light casting shadows on a plane. The plane has a ...
3
votes
2answers
155 views

Unity Change Sceneview to camera view

On selecting camera, I get the camera preview. In Unity, while editing the scene, I wish to switch in such a perspective view that is exactly visible by the main camera. Is there a short cut to ...
1
vote
1answer
112 views

XNA arcball camera steering issue

I have an arcball set up to follow my model in XNA. It rotates around the target correctly when holding in the left mouse button and moving the mouse. It zooms in and our correctly with the mouse ...
2
votes
1answer
81 views

DirectX is the camera a point or a plane?

I've built an application in SlimDX using an orbit camera. Currently I treat the position of the camera as a singular point in space. I've noticed my projections from 3D space to 2d space are off by ...
1
vote
1answer
237 views

Implement dynamic 2 player splitscreen based on player positions

Having a local 2 player game, when the distance between the player is big enough, we have a splitscreen whose shape is defined by the angle between the two players. When they get close enough to each ...
0
votes
1answer
131 views

Free camera rotation in 3D space

I'm using a view matrix to do camera movement and rotation. viewMatrix = new Matrix4f(); viewMatrix.setIdentity(); Matrix4f.rotate((float) Math.toRadians(rx), new Vector3f(1,0,0), viewMatrix, ...
0
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1answer
53 views

OpenGL ES 2.0 basic camera issues

I am having issues with the camera, I cant find how to invert the AXIS Now A point is 0,0,0 B point is 1,0,0 C point is 0,0,1 What I want is A point 0,0,0 B point 0,0,1 C point 1,0,0 ...
1
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1answer
74 views

Why value 1 in OrthographicCamera viewPort width?

So, I read that camera = new OrthographicCamera(1, h/w); creates a camera with an appropriate width and height for the field view.. However, I can't understand that value 1 for the viewport width, ...
1
vote
1answer
53 views

6DOF camera: inverted yaw and roll when orientation changes

Whenever I change the orientation of the camera, yaw and roll become inverted (or correct); the strafing, movement and pitch do remain correct however. Can you tell what is causing this and how to ...
0
votes
2answers
588 views

A 2D Camera Follow Script That Does Not Rotate?

I am attempting to make a 2D racing game. So far I have a player car (sprite) and a main camera. I would like to know how to make the main camera follow the player car while still showing signs of ...
0
votes
1answer
104 views

Given a constant rotation and target point, find position so that point will be in camera center

Given a fixed rotation and a target "center" point, how to I find the position the camera should be in so that that point is the center? LookAt changes the rotation keeping the position constant. ...
0
votes
1answer
463 views

LibGDX full screen display mode and camera resize

I'm creating a simple 2D platformer and I have problem with my camera y position when I enter full screen mode. But first here's my code screenY = Gdx.graphics.getHeight(); public void updateCamera(...
0
votes
1answer
74 views

In Unity, what does the camera script's “Behaviour missing” error mean?

I started in Unity few days ago and made a cube with a tank control style. Now I'd like to create controls similar to 3D fighting games (Gunz, Blade Symphony, …): Control body direction with the mouse ...
0
votes
1answer
227 views

How do I rotate a cube around an axis, relative to the camera view?

I want to be able to rotate a cube, either by dragging vertically to rotate it around the Y-axis, or dragging horizontally to rotate it around the X-axis. However, when the camera is rotated 90 ...
0
votes
1answer
148 views

Pan camera within bounds of large image

I have a camera that I pan around a large image which works fine, however when I reach the end of the image I can keep panning on and on, forver. I have looked everywhere for an answer on how to ...
0
votes
0answers
246 views

Problems with First Person Camera in C++ OpenGL

I'm building a first person camera for my application but I'm having a couple of problems relating to moving the camera. In general, I have 2 vectors, one for the camera's position and one for the ...
0
votes
1answer
153 views

how to stop camera at the end of world map when zoomed in

Im building a tile-based game, and Im trying to implement zooming in on the center of the screen. My problem is, when I get to the edge of the map and im zoomed in, Im noticing that my camera doesn't ...
2
votes
2answers
3k views

How can I set up an intuitive perspective projection/view matrix combination in OpenGL, using GLM?

Could anyone help me set up an intuitive perspective camera matrix using OpenGL and the GLM library? By "intuitive" I mean that I want the camera to be looking at the middle of the screen down the -Z ...
0
votes
1answer
176 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 ...
0
votes
0answers
183 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 lot!...
1
vote
1answer
163 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
1answer
91 views

Calculations for a camera system

I am building an interactive application in Starling for which a camera system is required. Since there is no existing camera system in flash and the addons for starling do not meet our requirements, ...
0
votes
1answer
73 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
2k 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
234 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 ...
1
vote
1answer
238 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 look"...
1
vote
1answer
2k 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
0answers
60 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
1answer
214 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 ...
1
vote
1answer
496 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 ...