glm_printing.hpp

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#ifndef GLM_PRINTING_HPP
#define GLM_PRINTING_HPP
 
#include <iostream>
 
#define GLM_ENABLE_EXPERIMENTAL
 
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/quaternion.hpp>
#include <glm/gtc/constants.hpp>
#include <iomanip>
#include <sstream>
 
void print_translation_rotation_scale_of_matrix_transform(const glm::mat4 &transform);
 
inline std::ostream &operator<<(std::ostream &os, const glm::vec2 &v) { return os << "(" << v.x << ", " << v.y << ")"; }
 
// inline std::ostream &operator<<(std::ostream &os, const glm::vec3 &v) {
//     return os << "(" << v.x << ", " << v.y << ", " << v.z << ")";
// }
 
std::string vec3_to_string(const glm::vec3 &v, int precision = 1);
std::string vec2_to_string(const glm::vec2 &v, int precision = 1);
 
std::string mat4_to_string(const glm::mat4 &m, int precision = 1);
 
namespace glm {
inline std::ostream &operator<<(std::ostream &os, const glm::vec3 &v) {
    return os << "(" << v.x << ", " << v.y << ", " << v.z << ")";
}
} // namespace glm
 
inline std::ostream &operator<<(std::ostream &os, const glm::vec4 &v) {
    return os << "(" << v.x << ", " << v.y << ", " << v.z << ", " << v.w << ")";
}
 
inline std::ostream &operator<<(std::ostream &os, const glm::mat4 &m) {
    os << "(\n";
    for (int i = 0; i < 4; ++i) {
        os << "  ";
        for (int j = 0; j < 4; ++j) {
            os << m[j][i] << " "; // glm stores matrices in column-major order
        }
        os << "\n";
    }
    return os << ")";
}
 
#endif // GLM_PRINTING_HPP