#include #include #include glm::mat4 camera(float Translate, glm::vec2 const& Rotate) { glm::mat4 Projection = glm::perspective(glm::pi() * 0.25f, 4.0f / 3.0f, 0.1f, 100.f); glm::mat4 View = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Translate)); View = glm::rotate(View, Rotate.y, glm::vec3(-1.0f, 0.0f, 0.0f)); View = glm::rotate(View, Rotate.x, glm::vec3(0.0f, 1.0f, 0.0f)); glm::mat4 Model = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f)); return Projection * View * Model; } int main() { const glm::mat4 m = camera(1.f, glm::vec2(1.f, 0.5f)); std::cout << "matrix diagonal: " << m[0][0] << ", " << m[1][1] << ", " << m[2][2] << ", " << m[3][3] << "\n"; return 0; }