I can generate the camera matrix as follows: void lookAt(vec3 center) { vec3 f = normalize(center – this->eye); vec3 u(0, 1, 0); vec3 r = normalize(cross(f, u)); u = cross(r, f); this->cameraMatrix = inverse(mat4( r.x, u.x, -f.x, 0, r.y, u.y, -f.y, 0, r.z, u.z, -f.z, 0, -dot(r, this->eye), -dot(u, this->eye), dot(f, this->eye), 1 )); //… Read More lookAt that returns camera matrix instead of view matrix

The scale of my models seems to changed their positions, but I don’t know why. I am doing it in the S-R-T order. The blue plane has (0,0,0) as it’s origin. The model matrix is calculated like this: // set model matrix glm::mat4 model = glm::mat4( 1.0f ); //scale model = glm::scale( model, _entity.Scale );… Read More Scaling models influences position in OpenGL

I’m adding 3D and some rotation on the z axis to my program which uses OpenGL, CGLM, STB, GLFW and GLAD. The program has no warnings or errors, and still the program’s output is simply my clear colour. The following is the part of my program loop where I apply transformations. // Create transformations mat4… Read More Object not rendering after adding the third dimension and z axis rotation