Upgrade to most recent version of Rust. Still doesn't work.

src/camera.rs

@@ -4,13 +4,13 @@ use sdl2::rect::Rect;
 pub struct Camera {
     x: i32,
     y: i32,
-    w: i32,
-    h: i32,
+    w: u32,
+    h: u32,
     bounding: Rect
 }
 
 impl Camera {
-    pub fn new(x: i32, y: i32, w: i32, h: i32, bounding: Rect) -> Camera {
+    pub fn new(x: i32, y: i32, w: u32, h: u32, bounding: Rect) -> Camera {
         Camera {
             x: x,
             y: y,
@@ -21,19 +21,19 @@ impl Camera {
     }
 
     pub fn center(&mut self, object: &Rect) {
-        let mut x = (object.x + object.w / 2) - (self.w / 2);
-        let mut y = (object.y + object.h / 2) - (self.h / 2);
+        let mut x = (object.x() + object.width() as i32 / 2) - (self.w as i32 / 2);
+        let mut y = (object.y() + object.height() as i32 / 2) - (self.h as i32 / 2);
 
-        if x < self.bounding.x {
-            x = self.bounding.x;
-        } else if x + self.w > self.bounding.w {
-            x = self.bounding.w - self.w;
+        if x < self.bounding.x() {
+            x = self.bounding.x();
+        } else if x + self.w as i32 > self.bounding.width() as i32 {
+            x = (self.bounding.width() - self.w) as i32;
         }
 
-        if y < self.bounding.y {
-            y = self.bounding.y;
-        } else if y + self.h > self.bounding.h {
-            y = self.bounding.h - self.h;
+        if y < self.bounding.y() {
+            y = self.bounding.y();
+        } else if y + self.h as i32 > self.bounding.height() as i32 {
+            y = (self.bounding.height() - self.h) as i32;
         }
 
         self.x = x;
@@ -41,6 +41,6 @@ impl Camera {
     }
 
     pub fn to_rect(&self) -> Rect {
-        Rect::new(self.x, self.y, self.w, self.h)
+        Rect::new_unwrap(self.x, self.y, self.w, self.h)
     }
 }