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

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2answers
43 views

Stop Lerp at relative location?

In my Unity 2D platformer, I'm trying to move the camera down a bit when the character is crouching but not moving. I've done this with the following: cameraPosition = ...
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0answers
101 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 ...
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0answers
51 views

OpenGL Diffuse Lighting Issue

I seem to have a problem in my OpenGL scene where if I (the camera) am looking at an plane it's brightness changes depending on what angle I am to the plane. It seems as though the camera is a source ...
3
votes
2answers
439 views

How to mirror flip animation curves in Unity?

I have a animation that moves my camera from left to right. Now I'd like to copy it with 'mirror' transformation so I can use it to move from right to left. Is it possible to do it using script or ...
0
votes
1answer
76 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, ...
2
votes
1answer
716 views

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone. Here are pictures demonstrating the problem: http://brandonyuh.minus.com/mFpdTSgN17VUq On the desktop ...
0
votes
1answer
32 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
39 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 ...
-1
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0answers
18 views

How to add thermal effect to bitmap or YuvImage Live CameraPreview [closed]

I want to add thermal effect to Live Camera in Android . I am successed in implementing greyScale effect to live Camera. But don't know how to set thermal effect to yuv or bitmap . You can see my ...
0
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1answer
33 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
1answer
61 views

Why doesn't my game start in landscape mode?

I want my game to run on all Android devices in LANDSCAPE_FIXED mode, but this mode works only for some screen resolutions. PORTRAIT_FIXED works well for all devices. I'm testing this on and emulator. ...
0
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0answers
26 views

Rotate the camera on a given angle

Good day! I apologize in advance for my bad english. The task is as follows: "On the stage there is a camera and a gun with rays when a ray gun out of sight of the camera (vertical) is required to ...
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1answer
267 views

LWJGL: Camera distance from image plane?

Let me paste some code before I ask the question... public static void createWindow(int[] args) { try { Display.setFullscreen(false); DisplayMode d[] = ...
0
votes
1answer
72 views

Camera movement constrained to pixel boundaries

So a friend and me, we are currently making a game in C# using XNA. We are trying to get the camera to move in full pixel motion, but we just don't get it right. This concept is hard to explain, but ...
1
vote
2answers
275 views

How do I efficiently determine what objects are visible to a camera?

I want to call the rendering methods of only the game objects that are visible. How can I efficiently determine which objects or tiles are within the camera's rendered region?
0
votes
1answer
39 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 ...
7
votes
1answer
974 views

Scrolling a WriteableBitmap

I need to simulate my background scrolling but I want to avoid moving my actual image control. Instead, I'd like to use a WriteableBitmap and use a blitting method. What would be the way to simulate ...
1
vote
2answers
213 views

Camera.WorldToScreenPoint not working with perspective

transform.position = Camera.main.WorldToScreenPoint( new Vector3( origin.position.x, origin.position.y, origin.position.z ) ); I have this code on a Unity 4.6 UI object. The origin is some transform ...
2
votes
2answers
93 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
3answers
81 views

Backround turning, follow the character

In my Unity2d-platformer, I need background to follow the character, so I just attach it. And when character turn left from right (or right-to-left), background turn too. How can I make my ...
0
votes
1answer
45 views

Aligning Camera to Rectangle

I'm working on a game in Java, and I'm having some trouble with finding the correct camera position. I've already made a Rectangle that shows exactly where I want the camera to be, and at what scale: ...
0
votes
1answer
55 views

Problematic cameraposition (Eye = (0,0,0), at=(0,-2,0) and up = (0,1,0))?

I am taking a course in computergraphics and we talk a lot about OpenGL and the math you need to do everything OpenGL does "by hand". A Question which was asked in an old exam (I am preparing at the ...
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1answer
62 views

Fixed background on a SurfaceView

I'm currently working on a top-down twin-stick shooter for Android. I've got my player moving around and shooting, but I'm looking to add a large Bitmap background which is larger than the device ...
0
votes
2answers
70 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
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0answers
59 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
31 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
1answer
87 views

libgdx - Box2d debug draw not correct

I have a problem where the bodies in my debug draw does not draw correctly, take a look: As you can see, there is some space between the dynamic body and the ground. I have checked the contact ...
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vote
1answer
53 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
28 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 ...
1
vote
1answer
234 views

Camera lookAt target changes when rotating parent node

have the following issue.I have a camera with lookAt method which works fine.I have a parent node to which I parent the camera.If I rotate the parent node while keeping the camera lookAt the target , ...
0
votes
1answer
114 views

Incomplete mesh using DrawIndexedPrimitives after rotating mesh

Through help on this site I was able to draw the triangles of an unrotated, nonscaled nontransformed mesh created in Blender and exported to OBJ, accurately imported through Assimp and rendered in XNA ...
0
votes
1answer
40 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
67 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
72 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 ...
2
votes
2answers
259 views

Camera movement and threshold not working

I have a platformer that is in progress, part of this has a camera which I only want to move when the character moves out of a certain threshold, to try to accomplish this I have the following if ...
0
votes
0answers
23 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
28 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
136 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
381 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), ...
1
vote
1answer
437 views

Angled topdown perspective camera for 2.5d game

I have a 2d tile based game created using Unity's 2d tools and orthographic camera: The tiles are created by programmatically generating a mesh, assigning a texture to each pair of triangles, and ...
0
votes
1answer
36 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
1answer
704 views

How do I determine the look-at vector of a free-look camera?

I'm trying to create a free-look camera with DirectX 10. I've figured out how to get the directions for forward and back and left to right. However, I don't know how to rotate the look-at vector of ...
0
votes
0answers
34 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
89 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 ...
4
votes
1answer
110 views

What direction is forward when the rotation is (0, 0, 0)?

I'm representing the rotations of my actors (or gameobjects) with euler angles (one float for each axis). And I've always considered the vector (1,0,0) (x,y,z) to be the actor's direction if all ...
1
vote
0answers
39 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 ...
1
vote
0answers
51 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
38 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(); ...