SimpleEngine/src/camera.cpp

50 lines
1.9 KiB
C++

#include "camera.h"
namespace simpleengine {
Camera::Camera(GLFWwindow* window, gfx::Shader shader, float fov, glm::vec3 position, glm::vec3 rotation,
float near_plane, float far_plane, glm::vec3 world_up, glm::vec3 cam_front) : simpleengine::Event(window), shader(shader),
projection_matrix(1.f), view_matrix(1.f), fov(fov), position(position), rotation(rotation), near_plane(near_plane), far_plane(far_plane),
world_up(world_up), cam_front(cam_front) {
// TODO: Update width and height on window resize.
int width, height;
glfwGetFramebufferSize(window, &width, &height);
projection_matrix = glm::perspective(glm::radians(fov), ((float) width) / height, near_plane, far_plane);
}
Camera::Camera(GLFWwindow* window, std::shared_ptr<GLuint> shader_prog, float fov, glm::vec3 position, glm::vec3 rotation,
float near_plane, float far_plane, glm::vec3 world_up, glm::vec3 cam_front) : Camera(window, gfx::Shader(shader_prog), fov, position,
rotation, near_plane, far_plane, world_up, cam_front) {
}
void Camera::update(const float& delta_time) {
/* if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
position.z -= 0.02f;
}
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
position.z += 0.02f;
}
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
position.x += 0.02f;
}
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
position.x -= 0.02f;
} */
view_matrix = glm::lookAt(position, position + cam_front, world_up);
shader.use();
shader.set_uniform_matrix_4f("view_matrix", view_matrix, false);
shader.set_uniform_matrix_4f("projection_matrix", projection_matrix, false);
shader.unuse();
}
void Camera::render(GLFWwindow* target) {
}
}