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

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Libgdx 2D Game, Random generated World of random size, how to get mouse coordinates?

I'm a noob and English is not my mothertongue, so please bear with me! I'm generating a map for a Sidescroller out of a 2D-array. That is, the array holds different values and I create blocks based ...
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1answer
194 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 ...
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1answer
204 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 , ...
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1answer
47 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, ...
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0answers
66 views

How to set “near” value properly?

Usually, the camera's near value is set to sth like 0.1f. However, this (assuming 1.0f = 1 metre) makes everything that's closer than 10 cm from the camera invisible. On the other hand, when working ...
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0answers
814 views

Arcball 3D camera

I have checked multiple threads before posting, but i havent been able to figure this one out. Ok so i have been following this tutorial, but im not using glm, ive been implementing everything up ...
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0answers
231 views

Camera - View matrix in Android + openGLES 2

I am trying to use the touch screen on the tablet to control my camera movements and generate the view matrix accordingly. I get the x and y coordinates of the screen and after doing some sanity ...
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0answers
611 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 ...
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1k views

AndEngine Making Chase Camera Follow Player

I am playing around with the AndEngine Race Game example. I am trying to make the camera follow the car as the player moves around. The Tile Map is larger than the player's screen but the camera ...
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0answers
17 views

Isometric Camera - Base Positions

Okay I have a terrain with the structure: terrain[x][y][z], and I want to create an isometric camera system, using a grid approach. Each element is assumed to be a cube, and it's default value will ...
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0answers
51 views

Phaser / PIXI: World size vs. Stage size

I am using Phaser to build a "zoomable / pannable" 2D galaxy with the intended functionality being that the player's home planet is always in the middle of the World coordinates. I have a problem ...
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0answers
78 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 ...
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0answers
67 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
27 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 ...
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0answers
83 views

Three.js camera turning leftside right

In Three.js I am trying to implement an orbiting camera can be rotated around the x and the y axis. I am using these two functions: function rotateX(rot) { var x = camera.position.x, ...
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0answers
90 views

3D Camera Y-Axis wrong angle

I am trying to build a camera class, though I am running into a problem. When I move the camera above/below, and try to move towards the ground, I am moved off in what seems to be about 45 degrees in ...
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0answers
61 views

Texture visualization problem on camera movement (xna)

I'm trying to move a camera over a model that is used as the floor of the game. When I move the camera, the texture of the model is not showing correctly (video of the problem: ...
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0answers
387 views

Cocos2d-x CCFollow Zooming issue

Hi I am currently building a cocos2d-x game which incorporates pinch zoom using CCLayerPanZoom class which can be found here The problem is basically when using CCFollow and zooming and out, it ...
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0answers
95 views

Determining axis to rotate around

I'm trying to implement a free-look third person camera (using glm). I know that the general transformation is newCameraPosition = translate(lookatPoint) * rotation(angle,axis) * ...
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0answers
280 views

Drawing two orthogonal strings in 3d space in Android Canvas?

I want to draw two strings in canvas. The first string must be rotated around the Y axis, for example 45 degrees. The second string must start at the end of the first string and also it must be ...
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0answers
213 views

How do I convert my matrix from OpenGL to Marmalade?

I am using a third party rendering API, Marmalade, on top of OpenGL code and I cannot get my matrices correct. One of the API's authors states this: We're right handed by default, and we treat y ...
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0answers
190 views

Camera not staying behind model while moving in circle

I have a camera behind a model (3rd Person) and I'm having problems KEEPING it behind the model. When I first start my game, you see the back of the model. If the model moves forward, backward or ...
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0answers
162 views

reflection plane 3d

Hey there I'm trying to create a plane that can have a texture on it and reflect the 3d elements around it. for example a plane with a laminate floor texture and above it a cube rotating. I want the ...
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0answers
741 views

How to turn a 3d camera (in HTML5 2D Canvas)

A few years back I started experimenting with 3d in canvas. Everything went pretty well untill I had to to turn the camera, I couldn't get it done. A few days back I just happened to stumble upon ...
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150 views

Issues with Spherical Coords and gluLookAt

I am currently developing a game set in a planet(A sphere), in which my camera mostly works though some issues arise from this method: ...
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0answers
663 views

Picking 3D object with Mouse when using Camera Zooming in XNA 4.0

I've tried to figure out how to do picking with the mouse, and things work great when zoomed in all the way with the camera (Third Person Camera). And it works perfectly when using First Person ...
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22 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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29 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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49 views

different screens and cropping problem

I have an image that look like this in unity: but in my htc desire 500 mobile phone look like this, even in my tablet: it crops a lot. In landscape mode it is better but i have the same problem. ...
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45 views

Add terrain collision and fix axis of camera

I made 3rd person camera script which works ok but needs few tweaks which I don't know how to fix. I'm using controller/ joystick. -Firstly, camera has this issue: when I look at the back of the ...
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22 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&){ ...
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83 views

Unity game view differs from scene view?

I have an issue in which Unity is not showing the Game view in accordance to that of my Main camera despite setting them up as such in the photos. Would appreciate if someone could tell me where I ...
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0answers
50 views

2D Orthographic camera movement clamp in any orthographic size

I have a problem, which i currently can't figure out how to solve. I am trying to calculate a clamp value for world coordinates which have to respect any camera orthographic size.I bought an image ...
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83 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 ...
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36 views

Is it possible to mask over CameraUI AS3?

My idea is to use the CameraUI to take a photo and then transpose that photo onto a blank sprite. So I want to have a mask layer over the CameraUI to line up the object with the size of the sprite. ...
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0answers
51 views

Issue with turntable rotation openGL

I am trying to implement turn table like rotation in my openGL app. In turn-table like rotation, z-axis is not supposed to roll. But in my app z-axis rolls like anything when I try to rotate the ...
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0answers
103 views

How do I find the camera direction vector for 3D sound purposes? (C++, DirectX)

Question I'm trying to make a sound class for playing 3D sound effects with DirectSound and DirectX, without using DirectSound's 3D libraries. The plan is to have every game object constantly play ...
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29 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. ...
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127 views

Shifting the camera and setting a new scene when using Box2D

My jsFiddle: // START -- MOVE CAMERA var p = new b2Vec2(); p = (ball.body.GetWorldCenter().x) * physics.scale; pos.push(p); var length = pos.length; var s = (pos[length - 1] - pos[length - 2]); //in ...
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51 views

Focus a turntable style camera on an object

I have a turntable style camera in the maya / blender / alembic / opensubdiv example. I want to be able to match the camera translation to any objects translation pivot point in the scene and then ...
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0answers
59 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 ...
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0answers
363 views

Irrlicht - Camera rotation like FPS

I'm constructing a game in OpenGL and initially I started using GLUT for the general purposes. However, later on I bumped over the problem of 3D model import and, after so many time trying to import ...
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133 views

Box2dLights rendering in bigger scale

So basically my box2dLights are rendering in wreid places. The circle in center is my player and as you can see lamp which should be aligned to player is in the right-top corner. my code: package ...
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0answers
31 views

Checking if a object is blocking my view of a light (it's between light and camera)

I'm trying to determine, from a list of objects, which ones are blocking my view of a light. In other words: which ones are between the light and the camera. Coding in C++, using HPL1Engine. This is ...
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0answers
184 views

Bullet Physics Raytrace Picking

I'm having trouble picking using bullet's raytrace code Here's what I have so far for creating the actual Ray float top = 1.f; float bottom = -1.f; float nearPlane = 1.f; float tanFov = (top - ...
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0answers
153 views

LWJGL Translation Problems with Matrix4f Class

I've just implemented a simple 3D Camera into my current game program using matrices and shaders. (I've basically just implemented the simple camera found here: ...
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0answers
154 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 ...
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56 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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0answers
118 views

Why my camera sees what is behind it?

I am building a minimal opengl viewer and I am puzzled by what I see : the camera see the (test) object that is behind her. the front and back of the camera looks reverted. I am wondering what could ...
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0answers
77 views

Lwjgl camera causing movement to be mirrored

I'm having a problem in that everything is rendered and the movement is fine. However, everything seems to be mirrored. In the sense that the TriangleMob should move towards me, but it doesn't instead ...