Maxluli/RustyGolfy
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the bloc is now bouncing on the walls with a specified bouncing ratio

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Rohmer Maxime
2022-05-11 14:42:59 +02:00
parent 683d27f357
commit 430f3d6dbf
1 changed files with 45 additions and 53 deletions
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98
src/main.rs
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@@ -1,14 +1,19 @@
use sdl2::pixels::Color;
use sdl2::event::Event;
use sdl2::keyboard::Keycode;
use sdl2::keyboard::Scancode;
use std::collections::HashSet;
use std::time::Duration;
use sdl2::rect::Point;
use sdl2::rect::Rect;
const WINDOW_HEIGHT:i32 = 600;
const WINDOW_WIDTH:i32 = 800;
const WINDOW_HEIGHT:i32 = 800;
const WINDOW_WIDTH:i32 = 1000;
const BLOC_SPEED:f32 = 3.0;
const MAX_SPEED:f32 = 20.0;
const GRAVITY:f32 = 10.0;
const BOUNCE_RATIO:f32 = 110.0;
pub struct Game{
main_bloc:Entity,
@@ -57,62 +62,50 @@ impl Game{
}
}
pub fn update(&mut self){
let mut posx = self.main_bloc.shape.x;
let mut posy = self.main_bloc.shape.y;
posx += self.main_bloc.velocity.x;
posy += self.main_bloc.velocity.y;
let bloc_width:i32 = self.main_bloc.shape.width() as i32;
let bloc_height:i32 = self.main_bloc.shape.height() as i32;
let bloc = &mut self.main_bloc;
let mut posx = bloc.shape.x;
let mut posy = bloc.shape.y;
let width = bloc.shape.width() as i32;
let height = bloc.shape.height() as i32;
if posx + bloc_width > WINDOW_WIDTH{
posx = WINDOW_WIDTH - bloc_width as i32;
self.main_bloc.velocity.x = 0;
}else{
if posx < 0{
posx = 0;
self.main_bloc.velocity.x = 0;
}
if posy + height >= WINDOW_HEIGHT{
//we hit rock bottom
posy = WINDOW_HEIGHT - height;
bloc.velocity.y = -(bloc.velocity.y as f32 / 100.0 * BOUNCE_RATIO) as i32;
}
if posy + bloc_height > WINDOW_HEIGHT{
posy = WINDOW_HEIGHT - bloc_height as i32;
self.main_bloc.velocity.y = 0;
}else{
if posy < 0{
posy = 0;
self.main_bloc.velocity.y = 0;
}
if posy <= 0{
//we hit top
posy = 0;
bloc.velocity.y = -(bloc.velocity.y as f32 / 100.0 * BOUNCE_RATIO) as i32;
}
if posx + width >= WINDOW_WIDTH{
//we hit right
posx = WINDOW_WIDTH - width;
bloc.velocity.x = -(bloc.velocity.x as f32 / 100.0 * BOUNCE_RATIO) as i32;
}
if posx <= 0{
//we hit left
posx = 0;
bloc.velocity.x = -(bloc.velocity.x as f32 / 100.0 * BOUNCE_RATIO) as i32;
}
if self.main_bloc.velocity.x > 0{
if self.main_bloc.velocity.x < BLOC_SPEED as i32{
self.main_bloc.velocity.x = 0;
}else{
self.main_bloc.velocity.x -= (BLOC_SPEED / 2.0) as i32;
}
}else{
if self.main_bloc.velocity.x > -BLOC_SPEED as i32{
self.main_bloc.velocity.x = 0;
}else{
self.main_bloc.velocity.x += (BLOC_SPEED / 2.0) as i32;
}
if bloc.velocity.x > MAX_SPEED as i32{
bloc.velocity.x = MAX_SPEED as i32;
}
if bloc.velocity.x < -MAX_SPEED as i32{
bloc.velocity.x = -MAX_SPEED as i32;
}
if bloc.velocity.y > MAX_SPEED as i32{
bloc.velocity.y = MAX_SPEED as i32;
}
if bloc.velocity.y < -MAX_SPEED as i32{
bloc.velocity.y = -MAX_SPEED as i32;
}
if self.main_bloc.velocity.y > 0{
if self.main_bloc.velocity.y < BLOC_SPEED as i32{
self.main_bloc.velocity.y = 0;
}else{
self.main_bloc.velocity.y -= (BLOC_SPEED / 2.0) as i32;
}
}else{
if self.main_bloc.velocity.y > -BLOC_SPEED as i32{
self.main_bloc.velocity.y = 0;
}else{
self.main_bloc.velocity.y += (BLOC_SPEED / 2.0) as i32;
}
}
self.main_bloc.shape.set_x(posx);
self.main_bloc.shape.set_y(posy);
posx += bloc.velocity.x;
posy += bloc.velocity.y;
bloc.shape.set_x(posx);
bloc.shape.set_y(posy);
}
}
@@ -123,7 +116,6 @@ pub struct Entity{
pub fn main_loop(canvas: &mut sdl2::render::Canvas<sdl2::video::Window>,event_pump:&mut sdl2::EventPump,game:&mut Game){
'running: loop {
canvas.clear();
for event in event_pump.poll_iter() {
match event {
Event::Quit {..} |