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

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Camera stops moving forwards near World-Center

So basically this is a problem I've been having since forever. I implemented a Camera System, it works fine but somewhere around the center (0, 0, 0) of the world it doesn't work. Actually it works, ...
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1answer
531 views

Camera Touch Zoom and Pan with world - 2D

I am doing my first unity2d game and im in need of a little optimization for my camera. I have a camera which could pan and zoom with the speed i have defined. The problem with that is the speed i ...
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0answers
163 views

Orthographic camera and z-axis in 3D isometric view game

I'm working on a game in Away3d. I'm using an orthographic camera and I'm attempting to simulate an isometric view (the camera has a 37° angle and the y-axis is up/down, x-axis is left/right, and ...
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0answers
110 views

When camera moves the textures move and rotate

I recently followed the tutorial at PaulsProjects on shadow mapping. After finishing the tutorial all of my textures seemed to have vanished, then I moved my camera and the texture reappeared. But the ...
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2answers
87 views

Offset during zooming to keep object within boundries

I have a simple zoom feature which lets the user zoom in and out. I'm having an issue how ever when i zoom out the object gets smaller to the point that the boundaries become broken. The idea is the ...
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0answers
186 views

mouse-controlled third person camera

I have a simple camera that always stays a set distance behind and above the player. Mouse-on-screen coordinates are used to do Pitch and Yaw, and the keyboard is used to roll. I get how to position ...
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0answers
384 views

Camera Rolling when Implementing Pitch and Yaw

I am implementing a camera in opengl for an android game and am having problems getting the pitch/yaw/roll of the camera correct. I have read many tutorials on quaternions and have implemented a basic ...
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3answers
1k views

How do I check whether a camera has unobstructed view of a GameObject?

I want to check if a GameObject is visible to the camera. The renderer.isVisible-method only checks if the camera is turned towards the object, not if there is anything between them (like a wall). ...
3
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1answer
293 views

Fighting Game Camera Positioning in SDL

I'm working on a 2D fighting game (using SDL) much like the original Killer Instinct on SNES. I want the camera to keep both players an equal distance from the left and right sides of the viewport. ...
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0answers
83 views

libGDX fixed object and camera do movement

I develop game to andorid and there is moving object with arrows - simple movement like in RPG games. I did: camera.position.x = PIXELS_PER_METER*man.body.getPosition().x; camera.position.y = ...
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3answers
444 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
548 views

Change players state and controls in-game

I'm using Unity 3D Let's say the player is an ice cube. You control it like a normal player. On press of a button, ice transforms (with animation) into water. You control it completely different than ...
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1answer
487 views

How do I output a webcam stream to a 2D canvas with SharpDX in C#?

I'm writing an application for the Oculus Rift using the SharpOVR library to access HMD position data. I decided it is reasonable to use SharpDX to also output webcamera streams. Unfortunately, all ...
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1answer
405 views

How to implement camera pan like in Maya?

I am trying to implement camera pan like the one in Maya. I've got it almost working. The problem is that the mouse cursor is moving faster than the 3d mesh (in fact I am moving the camera but I ...
0
votes
1answer
2k views

How can I make my player move in the direction the camera faces?

I have a 3rd person camera which can rotate around the player. My problem is that wherever camera is facing, players forward is always the same direction. For example when camera is facing the right ...
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1answer
2k views

How can I calculate the visible area of my camera in world space and take zoom into account?

I am trying to get the bounds from an orthographic camera in Unity which take into account the current orthographic size (zoom). I thought that I could use the cameraToWorldMatrix to transform the ...
0
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1answer
262 views

Computing Field-of-View from window dimensions

I'm looking into computing the vertical Field-of-View (FOVy) based on the projection parameters of my camera. From this source, I've found an equation that seems to work. float ...
4
votes
3answers
9k views

Game Maker: How do I make a score display move with the view?

I have drawn everything needed to the screen including a HUD for the score, but I have my room set to follow my player: When the camera follows the player, the score HUD stays doesn't scroll with him! ...
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4answers
2k views

Camera Control Techniques in Games

I am an MPhil student in Computing Science working on the problem of camera control in graphics. Though the literature of camera control dates back to the end of 1980s, the majority of them (up to my ...
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1answer
53 views

Camera world matrix to view matrix

I've been working on a game engine and I model every object in my scene graph as an "entity" this includes my camera. My camera therefore has a position and rotation in world space and at the moment ...
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0answers
71 views

Camera rotation issue Libgdx

I have a OrthographicCamera and I want to rotate 90° it, but when I rotate it seems to be shifted more to the right. Before rotation: http://postimg.org/image/tc9jpq9zr/ After ...
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votes
1answer
120 views

XNA: Camera's Rotation and Translation matrices seem to interfere with each other

I've been following the guide here for how to create a custom 2D camera in XNA. It works great, I've implemented it before, but for some reason, the matrix math is throwing me off. public sealed ...
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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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1answer
907 views

How to make an object move again after being stopped by collision in Unity?

I have a player object which position is always centered on the main camera's viewport. This object has a Rigidbody 2D, a box and circle collider. The player moves around a level, the level has a ...
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2answers
1k views

openGL Camera setup for Zoom in/out centered at point under cursor

I am trying to implement a zoom in/out navigation mode in a openGL 3dViewer. I was able to implement zoom functionality centered at screen center just by moving eye towards the center in perspective ...
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votes
3answers
572 views

How do I change the relative origins of a Box2D World and a TiledMap in Libgdx?

I'm playing around with Box2D and TiledMaps and I've come across this minor annoyance. As you can see, both Box2D and TiledMap render at the center of the screen. This forces me to compensate by ...
6
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1answer
933 views

What are some good methods of implementing RTS-style Box selection?

I'm scouting around for different methods of implementing a typical RTS box selection. This is for 3D game - so I'm looking for methods for finding units within selection box in 3D world. Here is a ...
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1answer
73 views

Problem with sprite direction and rotation

I have a sprite called Tool that moves with a speed represented as a float and in a direction represented as a Vector2. When I click the mouse on the screen the sprite change its direction and starts ...
0
votes
1answer
114 views

Rotating a view of a chunked 2d tilemap

I'm working on a top-down (oblique) tile-based engine. I would like for the tiles to have a definable height in the world, with Characters being occluded by them, etc. This has led to a desire to be ...
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2answers
2k views

How can I keep chase camera behind player when player rotates?

I have implemented a follow camera in Unity 3D. However, if the player object rotates, the camera does not rotate with it. To fix this I used RotateAround as follows: playerRotation = ...
0
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1answer
134 views

Doing a turntable camera animation on a world matrix rather than view matrix

I have a camera class that contains a 4x4 view matrix as a member variable. Most of my camera controls work fine when doing them directly on the view matrix. In an attempt to unify all of my scene ...
3
votes
1answer
2k views

Orthographic Camera and Raycasting in Three.js

I'm working on a test project porting a simple game from iOS to Javascript. I've got the orthographic camera working and it can view the objects in the scene and move up and down the tower of meshes ...
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2answers
78 views

Setting up a camera to make the world look large

I am attempting to configure my camera to give the impression of a normal sized player in a giant room. Since units are arbitrary, I figured this should be possible (despite the fact that the room is ...
3
votes
1answer
425 views

“Pixel-perfect” camera positioning in 2d game

I am writing a 2d game using LibGDX. The view to the game world is top-down. The game shows a grid of lines, which looks nice when the camera is at its initial position (0,0). The problem is now that ...
14
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6answers
3k views

Creating a seamlessly looping 2D multiplayer level?

A discussion came up recently about how to create a 2D side-scrolling multiplayer game that can have an looping level design (Think of Starbound and how their worlds are looping). I thought the ...
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0answers
36 views

changing camera's reference point position by a keyboard event

I would like to change the camera's reference point position using gluLookAt. I would like that it changes when I press for exemle 'a'. I tried with: void VueOpenGL::Paint(wxPaintEvent&){ ...
0
votes
1answer
1k views

Camera controller in a 2d platformer

I'm basically bumming around using Unity's 2D creation tools, and I've managed to create a little platformer physics demo. There's a lot of work to be done, but I've got basic movement down, some ...
2
votes
1answer
1k views

Generating transformation matrix for 2D camera with pan/zoom/rotate

Question How do you implement a camera with pan/zoom/rotation for a 2d game? Is it acceptable to multiply together a series of transformation matrixes to generate a final transformation matrix that ...
0
votes
1answer
119 views

TiledMap not drawing completely [closed]

While attempting to constrain camera scrolling to within the TiledMap I discovered that it seems the renderer for the map is not drawing the entire map. The map is 1600x960px so one would assume the ...
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vote
1answer
98 views

Fit a bounding box in the scene modifying FOV

Suppose I have a radius for a spherical bounding box around a mesh. My goal is to render the scene such as when the camera moves, the bounding box whose centre the camera look at, occupies always ...
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0answers
134 views

OpenGL/GLM Camera

I want to make a camera that can freely look and walk on X/Z plane and rotate 360 degrees. I'm using OpenGL and the lookAt function from the GLM library to create the view matrix. I've looked through ...
0
votes
0answers
137 views

MonoGame - Fuzzy Pixels When Drawing (2D)

I apologize if this has been answered somewhere; I spent quite awhile searching but couldn't find an answer. I have any issue with my 2D sprites being drawn to the screen - either the non-moving or ...
2
votes
0answers
84 views

How would I warp a mesh with code?

I recently asked a question about putting a camera at the head of a 3D human model here and it worked out rather well and whatnot, but there is still a problem that bothers me: How would I ...
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0answers
37 views

Scale aware adaptive camera zooming

I would like to implement an interactive zoom on a 3d object with mouse wheel.A naive approach is simple where you just scale camera marix Z poistion or modify FOV.But I would like the zoom scaling to ...
3
votes
2answers
205 views

Three Screens = Three Cameras?

I have three screens which are at an angle to each other. Basically, the left and right cameras need to move relative to the main camera in such a way that it would look like each screen is a window ...
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vote
1answer
264 views

Pygame Scrolling Map

I have two questions. I'm working in a rogue-like and I've manage to implement a camera on the player, the camera shows just the players surroundings and is fixed in the side of the windows. The ...
4
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1answer
105 views

Lighting computation viewing direction

This is something that's really cooking my noodle. When I'm computing the light response for a material in my fragment shader, I'm using the standard 3 normalized vectors, in eye space: fragment ...
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vote
1answer
962 views

Libgdx Do a fixed rotation for orthographic camera

Im trying to rotate my orthographic camera in the render loop to a fixed angle, but I can only make the camera spin with the code I got: in the create OrthographicCamera camera = new ...
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vote
1answer
370 views

How do I create a camera?

I am trying to create a generic camera class for a game engine, which works for different types of cameras (Orbital, GDoF, FPS), but I have no idea how to go about it. I have read about quaternions ...
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2answers
1k views

what function creates rotation effect in three.js?

which part of the code is responsible for the rotation in this example? Is it the camera or the scene itself? http://threejs.org/examples/#canvas_camera_orthographic