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

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How can I get my Android camera system working more like Google Earth's? [duplicate]

I'm implementing a touch screen interface whereby the user dragging their finger on the screen will rotate the camera in a sphere around the central point. My code works well for the horizontal swipe ...
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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[] = ...
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61 views

camera panning problems with “modelviewer” camera

I have a camera that rotates around a center point using a rotation matrix and radius for the zoom from the object. I need to add right mouse button panning in. Here is the problem: when I change ...
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1answer
176 views

Adding Functionality to a basic Java 2D Camera

Creating a little LoZ inspired game in Java here just to get into the feeling of things (learning CS at my school but the only teacher who's willing to help is travelling for 6-months, so I'm teaching ...
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1answer
610 views

switching from third person view to first person view

I have done a scene in opengl where I'm using a third person camera (that I can control with the mouse). Then, inside it, it has the camera of the first view (that I called thirdpersonCamera, see the ...
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1answer
89 views

XNA Rendering vertices that only appear within the cameras view

I'm making a game in XNA and I recall hearing that professionally made games use a technique to only render the polygons that appear within the cameras projection. I've been trying to find something ...
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1answer
120 views

3D drawing precision problem. XNA

I have a simple scrolling camera positioned 2000 units about the 3D 'floor' that moves forward by 1 unit every frame and looks down on the floor at a point that also moves forward by 1 unit every ...
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1answer
134 views

XNA Camera Positioning All Wrong

I've been working in 3DSMax for years now and decided to give XNA 4.0 a try. I've got the majority of it working, however the camera is being a pain to me and I can't discern what's gone wrong. I ...
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1answer
3k views

perspective camera with libgdx

I am trying to setup a viewport using perspective camera. I am trying to render a scene like this I read an official blog post about the cameras and found a few tests within gdx test suits. ...
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1answer
252 views

Stage3D: Camera pans the whole screen

I am trying to create a 2D Stage3D game where you can move the camera around the level in an RTS style. I thought about using Orthographic Matrix3D functions for this but when I try to scroll the ...
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147 views

Keep 3d model facing the camera at all angles [duplicate]

I'm trying to keep a 3d plane facing the camera at all angles but while i have some success with this: Vector3 gunToCam = cam.cameraPosition - getWorld.Translation; Vector3 beamRight = ...
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1answer
331 views

3d world vertex translation to go to 2d screen coords

My technical english is a little rusty so to avoid misunderstands please be patient with me :) I will try to be brief and clear Situation: - I have a 2d sprite character on the screen - I've just ...
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2answers
237 views

Determining my playable area/field of view

Contrary to what I found searching for the answer, I'm not trying to see whether a character is in view of another character. What I need to find out is the size of the field of view. This is because ...
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1answer
1k views

as3 3D camera lookat

I'm making a 3D camera scene in Flash, draw using drawTriangles() and rotated and translated using a Matrix3D. I've got the camera to look after a specific point, but only on the Y-axis, using the x ...
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1answer
866 views

Camera Rotation (for mouse look) with LookAt does not work as expected (Local/Global)

My code for rotating my 3D fps camera isn't working as expected. I expect that the X-axis does rotate with the Y-axis, but it ain't so. I made some pictures to explain it better, I think its doing ...
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2answers
521 views

CubeRealm OpenGL rotation problems, need help. :\

I'm totally new to OpenGL and I'm working on a Sandbox game called CubeRealm. My problem you see is rotation. I've got it in my head that to rotate the 'camera' I just rotate all the scene by the ...
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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 ...
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2answers
318 views

How to detect collision between a camera and a mesh?

I am wondering how you would be able to extract mesh properties (i.e. faces, vertices, and vertex normals) and use them to create a collidable object, one that a camera can't go through ? I am using ...
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1answer
432 views

Drawing the same scene with perspective then orthographic projections

I have a scene that I'm rendering first with a perspective matrix. I then want to rerender it in a different viewport using an orthographic matrix for a top-down 2D view of the scene. I think I may be ...
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3answers
987 views

How do I create a 3rd person camera?

I currently have a camera class set up and have my model/player loaded but I can't get my camera in the correct position by changing the x,y,z coordinates. I have set up my "game" with a separate ...
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3answers
437 views

Move camera on X and Z only

How would you implement movement on a camera in order to always move it on X and Z coordinates, and if the camera has pitch yaw or roll it still moves only in those coordinates and doesn't fly up?
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1answer
194 views

Camera not working

I made a camera in DX9. To move forward I press the Up arrow. To rotate on the Y axis I use the mouse. When I perform these movements on their own the camera moves at the speed I want. However, if I ...
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1answer
507 views

First person camera is somehow “magically” expanding

I'm making a first-person game, and I've gotten the camera done (modified version of Lloyd Goodall's code), but whenever I scale an object, it doesn't appear bigger, but the speed of movement seems to ...
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1answer
155 views

Homeworld style orbital camera concept [closed]

So I spent some time thinking of how I'm going to make a camera similar to what's used in Homeworld (a 3D space RTS, in which your camera can be rotated around your units to look at them from any ...
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2answers
160 views

What Should the Limits On the Camera's Pitch Be? [closed]

What should I be using as the limit to how much a camera can pitch in a first person video game? I'm assuming most video games use around the same value - so if I can use that value in my game, it ...
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1answer
275 views

How to create GoogleMaps-like camera for simple 2D strategy game? [closed]

I am just starting in game development (with web programming background). I want to know how to create 2D game with camera that can zoom in/out and can be moved like map in Google Maps. Could you help ...
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1answer
2k views

Lock mouse in center of screen, and still use to move camera Unity

I am making a program from 1st person point of view. I would like the camera to be moved using the mouse, preferably using simple code, like from XNA var center = this.Window.ClientBounds; ...
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2answers
207 views

Using Geometric Slerp to move Camera

I'm writing a program in C++ using OpenGL and GLM; I'm trying to get my camera to follow my car. So far it successfully follows it around the screen, but I'm having trouble adjusting the Camera's ...
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1answer
182 views

Pinhole matrix problem

I made a program to represent a 3D world. I use the projection matrix we can find on wikipedia. For viewing a scene it's very nice but when I straff in the scene, everything behind the camera go on ...
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votes
1answer
243 views

OpenGL glMatrixMode rotation

I'm stuck on trying to figure out how to rotate the viewport(or camera). So far I've figured out I need to use the function glRotatef and glMatrixMode(GL_MODELVIEW). But I have no idea how to apply ...
-1
votes
1answer
442 views

Camera rotation not working right?

I'm new to game programming but I've read a lot of tutorials. I was just trying to make my own camera class but instead of the scene rotating around the camera, the camera stays stationary while ...
-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 ...
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2answers
110 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 ...
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1answer
156 views

Live capturing from Unity-like application

I need such thing for non-game application: A city-like 3D scene, containing a few people. People walk, run, stand, ... May be cars also. Around the scene some cameras are located. And I need them ...
-1
votes
1answer
581 views

Android OpenGLES 2 ray picking, resulting coordinate jumpy in certain spots?

I am trying to implement object picking based on touch coordinates via an intersecting ray test. I am having trouble finding information on converting the touch coordinates to the coordinate system ...
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1answer
957 views

Shaky Camera Effect 2D

The camera in my game engine can be modified by following a rectangle properties, that can be scaled, moved and even rotated. I need this effect for the shaking of the screen when a zombie attacks a ...
-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; ...
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1answer
139 views

GLSL does weird things to my view matrix [closed]

uniform mat4 model; uniform mat4 view; varying vec4 vColor; void main(){ gl_TexCoord[0] = gl_MultiTexCoord0; gl_Position = view * model * gl_Vertex; vColor = gl_Color; if(view * ...
-5
votes
1answer
166 views

camera2d class will not work [closed]

using System; using System.IO; using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Content; using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input; using ...
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1answer
445 views

How to create a camera hack for a Torque 2D game?

first I’m not programmer, I’ve been using a popular game for some time and I think it would make a great medium for machinima. Problem is that it’s a top down view startegy game and it doesn’t give ...