diff --git a/js/class.js b/js/class.js
index 1b0abd7..cfd02a3 100644
--- a/js/class.js
+++ b/js/class.js
@@ -75,26 +75,25 @@ class Player
         this.x += dx*dt;
         this.y += dy*dt;
 
-        for(let square in squares)
-        {
+        squares.forEach(square => {
             if(square.collide(this))
             {
-                this.x-=dx;
-                this.y-=dy;
+                this.x-=dx*dt;
+                this.y-=dy*dt;
                 this.dir=0;
                 return;
             }
-        }
-        for(let circle in circles)
-        {
+        });
+        
+        circles.forEach(circle => {
             if(circle.collide(this))
             {
-                this.x-=dx;
-                this.y-=dy;
+                this.x-=dx*dt;
+                this.y-=dy*dt;
                 this.dir=0;
                 return;
             }
-        }
+        });
     }
 
     get angle()