134 lines
3.7 KiB
Rust
134 lines
3.7 KiB
Rust
use std::{f32::consts::PI, path::Iter};
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use macroquad::{prelude::*, rand::gen_range};
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use crate::{asteroids::Asteroid, nn::NN};
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#[derive(Default)]
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pub struct Player {
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pos: Vec2,
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vel: Vec2,
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dir: Vec2,
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rot: f32,
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drag: f32,
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bullets: Vec<Bullet>,
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last_shot: f32,
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shot_interval: f32,
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brain: Option<NN>,
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alive: bool,
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}
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impl Player {
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pub fn new() -> Self {
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Self {
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dir: vec2(0., -1.),
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rot: -PI / 2.,
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drag: 0.001,
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shot_interval: 0.3,
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alive: true,
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..Default::default()
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}
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}
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pub fn simulate(brain: NN) -> Self {
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let mut p = Player::new();
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p.brain = Some(brain);
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p
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}
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pub fn check_player_collision(&mut self, asteroid: &mut Asteroid) -> bool {
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if asteroid.check_collision(self.pos, 8.) {
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self.alive = false;
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return true;
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}
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false
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}
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pub fn check_bullet_collisions(&mut self, asteroid: &mut Asteroid) -> bool {
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for bullet in &mut self.bullets {
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if asteroid.check_collision(bullet.pos, 0.) {
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asteroid.alive = false;
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bullet.alive = false;
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return true;
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}
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}
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false
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}
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pub fn update(&mut self) {
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let mut mag = 0.;
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if is_key_down(KeyCode::Right) {
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self.rot += 5.;
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self.dir = vec2(self.rot.cos(), self.rot.sin());
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}
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if is_key_down(KeyCode::Left) {
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self.rot -= 5.;
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self.dir = vec2(self.rot.cos(), self.rot.sin());
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}
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if is_key_down(KeyCode::Up) {
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mag = 360.;
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}
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if is_key_down(KeyCode::Space) {
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if self.shot_interval + self.last_shot < get_time() as f32 {
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self.last_shot = get_time() as f32;
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self.bullets.push(Bullet {
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pos: self.pos + self.dir.rotate(vec2(20., 0.)),
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vel: self.dir.rotate(vec2(500., 0.)) + self.vel,
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alive: true,
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});
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}
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}
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self.vel += (mag * self.dir - self.drag * self.vel.length() * self.vel);
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self.pos += self.vel;
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if self.pos.x.abs() > screen_width() / 2. + 10. {
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self.pos.x *= -1.;
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}
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if self.pos.y.abs() > screen_height() / 2. + 10. {
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self.pos.y *= -1.;
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}
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for bullet in &mut self.bullets {
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bullet.update();
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}
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self.bullets.retain(|b| {
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b.alive && b.pos.x.abs() * 2. < screen_width() && b.pos.y.abs() * 2. < screen_height()
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});
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}
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pub fn draw(&self) {
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let p1 = self.pos + self.dir.rotate(vec2(20., 0.));
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let p2 = self.pos + self.dir.rotate(vec2(-18., -12.667));
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let p3 = self.pos + self.dir.rotate(vec2(-18., 12.667));
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let p4 = self.pos + self.dir.rotate(vec2(-10., -10.));
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let p5 = self.pos + self.dir.rotate(vec2(-10., 10.));
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let p6 = self.pos + self.dir.rotate(vec2(-25., 0.));
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let p7 = self.pos + self.dir.rotate(vec2(-10., -6.));
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let p8 = self.pos + self.dir.rotate(vec2(-10., 6.));
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draw_line(p1.x, p1.y, p2.x, p2.y, 2., WHITE);
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draw_line(p1.x, p1.y, p3.x, p3.y, 2., WHITE);
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draw_line(p4.x, p4.y, p5.x, p5.y, 2., WHITE);
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if is_key_down(KeyCode::Up) && gen_range(0., 1.) < 0.4 {
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draw_triangle_lines(p6, p7, p8, 2., WHITE);
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}
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for bullet in &self.bullets {
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bullet.draw();
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}
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}
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}
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struct Bullet {
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pos: Vec2,
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vel: Vec2,
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alive: bool,
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}
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impl Bullet {
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fn update(&mut self) {
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self.pos += self.vel;
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}
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fn draw(&self) {
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draw_circle(self.pos.x, self.pos.y, 2., WHITE);
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}
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}
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