X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=src%2Fboll.rs;h=35dd97e61fac2032b56d687015c85a557db28123;hb=6c5dd5cf7007081ce7ea87e59aac21c0e7007a2c;hp=f936fca261df8cc6142e896db502a171e9e2fbd8;hpb=c315bb317cbd779063cb0135abe731886de30838;p=kaka%2Frust-sdl-test.git

diff --git a/src/boll.rs b/src/boll.rs
index f936fca..35dd97e 100644
--- a/src/boll.rs
+++ b/src/boll.rs
@@ -6,6 +6,7 @@ use sdl2::video::Window;
 
 use {SCREEN_HEIGHT, SCREEN_WIDTH};
 use common::Point2D;
+use sdl2::gfx::primitives::DrawRenderer;
 
 pub trait Boll {
     fn update(&mut self);
@@ -51,3 +52,35 @@ impl Boll for SquareBoll {
         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(&mut self, canvas: &mut Canvas<Window>, size: u32) {
+        let val = 255 - std::cmp::min(255, (self.boll.vel.length() * 20.0) as u8);
+        canvas.filled_circle(self.boll.pos.x as i16, self.boll.pos.y as i16, size as i16, Color::RGBA(
+            val,
+            val,
+            val,
+            128,
+        )).unwrap();
+    }
+}