parade/include/Camera.h

39 lines
1.5 KiB
C++

#pragma once
#include <glm/glm.hpp>
class Camera
{
private:
glm::vec3 m_position = { -1.f, 1.f, 1.f };
glm::vec3 m_front = { 0.f, 0.f, 0.f };
glm::vec3 m_right = glm::normalize(glm::cross(m_position - m_front, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 m_up = glm::normalize(glm::cross(m_position - m_front, m_position - m_right));
float m_yaw = -44.977; // atan2(m_position.x, m_position.z) assuming m_position = {-1, 1, 1}
float m_pitch = 35.264; // asin(m_position.y) assuming m_position = {-1, 1, 1}
public:
// Since all variables are dependent on each other I've decided to
// disable the setters until I make sure they don't break things
// glm::vec3& position() { return m_position; }
// glm::vec3& front() { return m_front; }
// glm::vec3& up() { return m_up; }
// glm::vec3& right() { return m_right; }
//
// float& yaw() { return m_yaw; }
// float& pitch() { return m_pitch; }
const glm::vec3& position() const { return m_position; }
const glm::vec3& front() const { return m_front; }
const glm::vec3& up() const { return m_up; }
const glm::vec3& right() const { return m_right; }
const float& yaw() const { return m_yaw; }
const float pitch() const { return m_pitch; }
void pan(float dist_x, float dist_y);
void orbit(float yaw, float pitch);
void zoom(float dist);
};