Stop the player from going off the side

Oh wait I haven't tested this yet. I'll be right back. Yeah it works

1 files changed, 15 insertions, 0 deletions

diff --git a/src/player.rs b/src/player.rs
index 97c98f6..efd396e 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -2,6 +2,7 @@ extern crate sdl2;
 extern crate std;
 
 use super::state;
+use super::constants;
 
 pub struct Player {
     pub x: i32,
@@ -76,6 +77,20 @@ impl Player {
         } else {
             self.y_d = 0;
         }
+        /* Don't go off the side */
+        if self.x_d < 0 && self.x <= 0 {
+            self.x_d = 0;
+        }
+        else if self.x >= constants::X_DIM as i32 && self.x_d > 0 {
+            self.x_d = 0;
+        }
+        if self.y <= 0 && self.y_d < 0 {
+            self.y_d = 0;
+        }
+        else if self.y >= constants::Y_DIM as i32 && self.y_d > 0 {
+            self.y_d = 0;
+        }
+
         self.x += self.x_d;
         self.y += self.y_d;
     }