115 lines
2.9 KiB
Rust
115 lines
2.9 KiB
Rust
use cat_box::{Game, Sprite, SpriteCollection, get_keyboard_state, draw_text,physics};
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use std::{time::{Instant}};
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use sdl2::keyboard::Scancode;
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//use gravitas::{Simulation,Gravity};
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/*
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keep track of accel, vel and pos
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every tick:
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1. pos += vel
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2. vel += accel
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3. accel = (calculate from arrow keys) + (0, -9.8)
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*/
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fn main() {
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let game = Game::new("Running", 500, 500);
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//main sprite introductions
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let mut i = 255u8;
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//gravity setup
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//let meter = 13;
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let now = Instant::now();
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let mut background = SpriteCollection::new();
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let mut run1 = Sprite::new("runner_0.png", 200, 320).unwrap();
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let sun = Sprite::new("sun.png", 50, 50).unwrap();
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let grass = Sprite::new("grass.png", 250, 450).unwrap();
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/*
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let mut grav = Gravity::new(2.0);
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grav.set(0.0, 3.0);
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*/
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background.push(sun);
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background.push(grass);
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/*
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sprites.push(stand);
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let _guy = State {
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running: false,
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jumping: false
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};*/
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//sleeper agent
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//let sleep = thread::sleep;
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//main game loop
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game.run(|ctx|{
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let keys = get_keyboard_state(ctx).keys;
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if i<200{
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i = i + 10;
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}else if i >= 255{
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i=200;
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}
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let (x,y) = run1.position();
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run1.translate((0,-3));
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if x < 0 {
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run1.translate((x*-1+5,0));
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} else if x > 500 {
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run1.translate((500-x-5,0));
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}
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//- run1.rect.height() as i32
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if y < 0{
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run1.translate((0,y - run1.rect.height() as i32))
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}else if y > 320 {
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run1.translate((0,5));
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}
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draw_text(
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ctx,
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format!("x is {} and y is {}, {:?} Seconds have passed", x, y, now.elapsed().as_secs()),
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"MesloLGS.ttf",
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15,
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(250,100),
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cat_box::TextMode::Shaded {
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foreground: (255, 255, 255),
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background: (0, 0, 0),
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},
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).unwrap();
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for key in keys {
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let offset = match key {
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Scancode::Escape | Scancode::Q => {
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game.terminate();
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(0, 0)
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} //Simulation::x(&grav,1.0) as i32
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Scancode::W | Scancode::Up => (0, 3),
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Scancode::S | Scancode::Down => (0, -5),
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Scancode::A | Scancode::Left => (-5, 0),
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Scancode::D | Scancode::Right => (5, 0),
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_ => (0, 0),
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};
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//if physics::check_for_collision(&run1, background.get_mut(1).unwrap()){
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run1.translate((offset.0,offset.1));
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//}
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}
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ctx.set_background_colour(129, 201, i);
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background.draw(ctx).unwrap();
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run1.draw(ctx).unwrap();
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}).unwrap();
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}
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