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extern crate ncurses;
mod camera;
mod canvas;
use std::{f32::consts::PI, time::Instant};
use cgmath::Vector3;
use ncurses::*;
use crate::camera::{Buffer, Camera, WIDTH, HEIGHT, rotate_z};
fn main() {
let mut cam = Camera {
position: Vector3 { x: 0.0, y: -0.7, z: 0.0 },
direction: Vector3 { x: 1.0, y: 0.0, z: 0.0 },
angle: PI / 2.0,
distance: 1.0,
aspect_ratio: 2.0 * HEIGHT as f32 / WIDTH as f32,
brightness: 5.0,
buffer: Buffer([[' '; WIDTH as usize]; HEIGHT as usize]),
time: 0.0,
};
initscr();
let time = 0;
while true {
clear();
flushinp();
// Render
cam.time = (time as f32 / 60.0) * 2.0 * PI;
let timestamp = Instant::now();
cam.render();
addstr(&cam.buffer.to_string());
addstr(&format!("\nRendered in {:?}\n", timestamp.elapsed()).to_string());
refresh();
// Handle input
let char = getch();
let cam_speed = 0.5;
let cam_turn_rate = 30.0;
if char == 106 || char == 74 {
cam.position -= cam.direction * cam_speed;
} else if char == 107 || char == 75 {
cam.position += cam.direction * cam_speed;
} else if char == 104 {
cam.direction = rotate_z(cam.direction, -2.0 * PI / cam_turn_rate);
} else if char == 108 {
cam.direction = rotate_z(cam.direction, 2.0 * PI / cam_turn_rate);
} else if char == 72 {
cam.position -= rotate_z(cam.direction, PI / 2.0) * cam_speed;
} else if char == 76 {
cam.position += rotate_z(cam.direction, PI / 2.0) * cam_speed;
} else if char == 70 { // F
cam.direction = -cam.direction;
}
}
endwin();
}
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