The glm tag has no wiki summary.
2
votes
1answer
39 views
Rotating and Translating a Node in Horde3D with Matrices and Quaternions
I have been trying to learn how to use the Horde3D rendering engine for the past couple of days,
and so far I have managed to learn a decent amount and integrate Bullet Physics with it as well.
My ...
-1
votes
0answers
85 views
Loading .obj file with my own parser; textures aren't mapped correctly
I have written a simple .obj parser for my OpenGL game engine that reads vertices, uv's and normals; but when I get to drawing the model in the texture isn't mapped correctly.
I have tried uv.y = ...
3
votes
1answer
98 views
Picking 3D with OpenGL ES 2
I'm trying to implement picking in my framework but I don't understand how I can do this.
I'm working with:
OpenGL ES 2.
GLM mathematic library.
What I have understand, picking can be made with ...
0
votes
1answer
74 views
gluLookAt strange behavior implementing camera
I'm having a super tough time trying to implement what I thought would be a very straightforward problem. I'm trying to demonstrate a free camera that can move forward/back, strafe left/right, fly ...
-1
votes
0answers
52 views
Mouse controlled camera bisbehaving. [closed]
I wish to implement a free roam camera that I can control with a mouse in OpenGL. Unfortunately, moving the mouse seems to rotate the camera incorrectly (along weird axes) when my camera is facing a ...
-1
votes
1answer
46 views
Transformations are not correct using GLM and OpenGL
The aim of my program is to render a simple colored triangle in rotation. The rotations are correct if all Z values of my vertices are equals to 0.0f. If one of these values are different of 0.0f the ...
-2
votes
1answer
59 views
Incorrect rotations using openGL GLM and shaders [closed]
The goal of my program is to display a simple colored triangle rotating on the Y axis without any translation. I'm using the GLM library. The problem is that the transformations of my triangle are not ...
1
vote
1answer
285 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.
...
1
vote
0answers
75 views
Box2D, OpenGL, resolution and matrix setup
Okay, my internal units are going to be meters, ranging between 0.1 and 10 meters for size.
First of all, my mind is all wrapped up in a knot trying to understand how to handle my game with multiple ...
0
votes
1answer
48 views
Box2D OpenGL debug renderer convert box2d coordinates to world space
I made an OpenGL 3.x renderer for Box2D's debug draw (b2Draw base class). Unfortunately I've tried for a while now to convert the box2D units, which are meters to my internal units which are pixels. I ...
0
votes
2answers
70 views
Translate camera position toward camera orientation
I have a camera position (Vec3) and camera horizontal/vertical angle. Now I want to translate my camera position toward the current camera orientation - what is the best way to do that? I am sure it's ...
0
votes
0answers
81 views
GLM Math: error: invalid cast from type 'const glm::detail::tvec3<float>' to type 'float'|
I'm casting a glm type to an normal array using glm::value_ptr() as follows
glm::vec4 position;
glm::mat3 orient;
...
glm::mat4 transformMatrix=glm::translate( glm::mat4(orient) , ...
1
vote
1answer
306 views
Android ndk-build can't find glm headers
I am trying to port some boilerplate code of mine to work on android, using the android ndk & NativeActivity
So far I have just one file that defines the glue between android and my code and it ...
1
vote
2answers
225 views
Matrix Rotation with three Angles
I want to rotate a form with three given angles fo each of the three axis. But the GLM rotation function takes only one angle and a vector as arguments.
How can I convert between both formats?
3
votes
2answers
3k views
Camera rotation - First Person Camera using GLM
I've just switched from deprecated opengl functions to using shaders and GLM math library and i'm having a few problems setting up my camera rotations (first person camera). I'll show what i've got ...
