-use sdl2::pixels::Color;
-use sdl2::rect::Point;
+use core::render::Renderer;
use sdl2::rect::Rect;
-use sdl2::render::Canvas;
-use sdl2::video::Window;
-use {SCREEN_HEIGHT, SCREEN_WIDTH};
use common::Point2D;
+use sdl2::gfx::primitives::DrawRenderer;
+use {SCREEN_HEIGHT, SCREEN_WIDTH};
+
+pub trait Boll {
+ fn update(&mut self);
+ fn draw(&self, renderer: &mut Renderer, size: u32);
+}
-pub struct Boll {
+pub struct SquareBoll {
pub pos: Point2D<f64>,
pub vel: Point2D<f64>,
}
-impl Boll {
- pub fn update(&mut self) {
+impl Boll for SquareBoll {
+ fn update(&mut self) {
self.vel.y += 0.1;
self.pos += self.vel;
}
}
- pub fn draw(&mut self,canvas: &mut Canvas<Window>, size: u32) {
- canvas.set_draw_color(Color::RGBA(
+ fn draw(&self, renderer: &mut Renderer, size: u32) {
+ renderer.canvas().set_draw_color((
255 - std::cmp::min(255, (self.vel.length() * 25.0) as u8),
(255.0 * (self.pos.x / SCREEN_WIDTH as f64)) as u8,
- (255.0 * (self.pos.y / SCREEN_HEIGHT as f64)) as u8, 128
+ (255.0 * (self.pos.y / SCREEN_HEIGHT as f64)) as u8,
+ 128,
));
let mut r = Rect::new(0, 0, size, size);
- r.center_on(Point::new(self.pos.x as i32, self.pos.y as i32));
- canvas.fill_rect(r).unwrap();
+ r.center_on((self.pos.x as i32, self.pos.y as i32));
+ renderer.canvas().fill_rect(r).unwrap();
+ }
+}
+
+pub struct CircleBoll {
+ pub boll: SquareBoll,
+}
+
+impl CircleBoll {
+ pub fn new(pos: Point2D<f64>, vel: Point2D<f64>) -> CircleBoll {
+ CircleBoll {
+ boll: SquareBoll { pos, vel },
+ }
+ }
+}
+
+impl Boll for CircleBoll {
+ fn update(&mut self) {
+ self.boll.update();
+ }
+
+ fn draw(&self, renderer: &mut Renderer, size: u32) {
+ let val = 255 - std::cmp::min(255, (self.boll.vel.length() * 20.0) as u8);
+ renderer
+ .canvas()
+ .filled_circle(
+ self.boll.pos.x as i16,
+ self.boll.pos.y as i16,
+ size as i16,
+ (val, val, val, 128),
+ )
+ .unwrap();
}
}