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// This file is part of the 64k demo project.
// It defines the Camera class for 3D navigation and rendering.
// Handles view and projection matrix generation.
#pragma once
#include "util/mini_math.h"
class Camera {
public:
vec3 position;
vec3 target;
vec3 up;
float fov_y_rad;
float aspect_ratio;
float near_plane;
float far_plane;
Camera()
: position(0, 0, 5), target(0, 0, 0), up(0, 1, 0), fov_y_rad(0.785398f),
aspect_ratio(1.777f), near_plane(0.1f), far_plane(100.0f) {
}
mat4 get_view_matrix() const {
return mat4::look_at(position, target, up);
}
mat4 get_projection_matrix() const {
return mat4::perspective(fov_y_rad, aspect_ratio, near_plane, far_plane);
}
// Helper to move camera
void set_look_at(vec3 pos, vec3 tgt, vec3 up_vec = vec3(0, 1, 0)) {
position = pos;
target = tgt;
up = up_vec;
}
};
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