update to sdl2 0.0.8, and move code to modules

src/player.rs

@@ -0,0 +1,35 @@
+extern crate sdl2;
+
+
+use sdl2::render::Renderer;
+use sdl2::pixels::Color;
+use sdl2::rect::Rect;
+
+use vec;
+
+
+pub struct Player {
+    pub position: vec::Vec2,
+    pub velocity: vec::Vec2,
+    pub gravity: f32,
+}
+
+impl Player {
+    pub fn new(x: f32, y: f32) -> Player {
+        Player { position: vec::Vec2 { x: x, y: y }, velocity: vec::Vec2 { x: 0.0, y: 0.0 }, gravity: 0.3 }
+    }
+
+    pub fn update(&mut self) {
+        self.velocity.y += self.gravity;
+
+        self.position.x += self.velocity.x;
+        self.position.y += self.velocity.y;
+    }
+
+    pub fn render(&self, renderer: &Renderer) {
+        let player = Rect::new(self.position.x as i32, self.position.y as i32, 10, 10);
+
+        let _ = renderer.set_draw_color(Color::RGB(0, 255, 0));
+        let _ = renderer.fill_rect(&player);
+    }
+}