logaritmisk/rust-smb
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remove font, and create a player struct

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logaritmisk
2014-12-10 21:32:23 +01:00
parent 1bc1b6a4c6
commit 36dc4e62cd
3 changed files with 38 additions and 40 deletions
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65
src/main.rs
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@@ -13,26 +13,41 @@ const SCREEN_HEIGHT : int = 600;
const MS_PER_UPDATE : uint = 10;
struct Player {
x: f32,
y: f32,
vel_x: f32,
vel_y: f32,
}
impl Player {
fn new(x: f32, y: f32) -> Player {
Player { x: x, y: y, vel_x: 0.0, vel_y: 0.0 }
}
pub fn render(&self, renderer: &sdl2::render::Renderer) {
let player = Rect::new(self.x as i32, self.y as i32, 10, 10);
let _ = renderer.set_draw_color(sdl2::pixels::Color::RGB(0, 255, 0));
let _ = renderer.fill_rect(&player);
}
}
fn main() {
sdl2::init(sdl2::INIT_EVERYTHING);
let window = match Window::new("SMB", WindowPos::PosCentered, WindowPos::PosCentered, SCREEN_WIDTH, SCREEN_HEIGHT, OPENGL) {
Ok(window) => window,
Err(err) => panic!("failed to create window: {}", err)
Err(err) => panic!("failed to create window: {}", err)
};
let renderer = match sdl2::render::Renderer::from_window(window, sdl2::render::RenderDriverIndex::Auto, sdl2::render::ACCELERATED) {
Ok(renderer) => renderer,
Err(err) => panic!("failed to create renderer: {}", err)
Err(err) => panic!("failed to create renderer: {}", err)
};
let mut player = Rect::new(0, 290, 10, 10);
let mut x : f32 = 390.0;
let mut y : f32 = 290.0;
let mut v_x : f32 = 0.0;
let mut v_y : f32 = 0.0;
let mut player = Player::new(390.0, 290.0);
let mut on_ground = true;
let mut gravity : f32 = 0.3;
@@ -55,12 +70,12 @@ fn main() {
if key == sdl2::keycode::KeyCode::Escape {
break 'event;
} else if key == sdl2::keycode::KeyCode::Right {
v_x = 4.0;
player.vel_x = 4.0;
} else if key == sdl2::keycode::KeyCode::Left {
v_x = -4.0;
player.vel_x = -4.0;
} else if key == sdl2::keycode::KeyCode::Up {
if on_ground {
v_y = -8.0;
player.vel_y = -8.0;
on_ground = false;
}
@@ -68,12 +83,12 @@ fn main() {
},
Event::KeyUp(_, _, key, _, _, _) => {
if key == sdl2::keycode::KeyCode::Right {
v_x = 0.0;
player.vel_x = 0.0;
} else if key == sdl2::keycode::KeyCode::Left {
v_x = 0.0;
player.vel_x = 0.0;
} else if key == sdl2::keycode::KeyCode::Up {
if v_y < -4.0 {
v_y = -4.0;
if player.vel_y < -4.0 {
player.vel_y = -4.0;
}
}
},
@@ -81,14 +96,14 @@ fn main() {
}
while lag >= MS_PER_UPDATE {
v_y += gravity;
player.vel_y += gravity;
x += v_x;
y += v_y;
player.x += player.vel_x;
player.y += player.vel_y;
if y > 290.0 {
y = 290.0;
v_y = 0.0;
if player.y > 290.0 {
player.y = 290.0;
player.vel_y = 0.0;
on_ground = true;
}
@@ -99,11 +114,7 @@ fn main() {
let _ = renderer.set_draw_color(sdl2::pixels::Color::RGB(0, 0, 0));
let _ = renderer.clear();
player.x = x as i32;
player.y = y as i32;
let _ = renderer.set_draw_color(sdl2::pixels::Color::RGB(0, 255, 0));
let _ = renderer.fill_rect(&player);
player.render(&renderer);
renderer.present();
}