Update bloop.js

Corrected borders behaviors.

Author: da091005

chp09_ga/NOC_9_05_EvolutionEcosystem/bloop.js

@@ -71,10 +71,10 @@ class Bloop {
 
   // Wraparound
   borders() {
-    if (this.position.x < -this.r) this.position.x = width + this.r;
-    if (this.position.y < -this.r) this.position.y = height + this.r;
-    if (this.position.x > this.width + this.r) this.position.x = -r;
-    if (this.position.y > this.height + this.r) this.position.y = -r;
+    if (this.position.x < 0) this.position.x = width-this.r/2;
+    if (this.position.y < 0) this.position.y = height-this.r/2;
+    if (this.position.x > width) this.position.x = this.r/2;
+    if (this.position.y > height) this.position.y = this.r/2;
   }
 
   // Method to display
@@ -93,4 +93,4 @@ class Bloop {
       return false;
     }
   }
-}
+}