Added minimal distance between star locations

TODO

@@ -1,3 +1,5 @@
-* Add a cheat system, to use for development
+* Display active effects on ships
+* Add a cheat system, to use for development (win battle, revive killed ship ...)
 * Add a defeat screen (game over for now)
 * Add a victory screen, with looting
+* Add retreat from battle

src/app/game/Star.ts

@@ -159,10 +159,22 @@ module SpaceTac.Game {
             return result;
         }
 
+        // Check if a location is far enough from all other ones
+        private checkMinDistance(loc: StarLocation, others: StarLocation[]): boolean {
+            return others.every((iloc: StarLocation): boolean => {
+                return iloc.getDistanceTo(loc) > this.radius * 0.1;
+            });
+        }
+
+        // Generate a single location
         private generateOneLocation(type: StarLocationType, others: StarLocation[], radius: number, random: RandomGenerator): StarLocation {
-            var x = (random.throw(2) - 1) * radius;
-            var y = (random.throw(2) - 1) * radius;
-            return new StarLocation(this, type, x, y);
+            do {
+                var x = (random.throw(2) - 1) * radius;
+                var y = (random.throw(2) - 1) * radius;
+                var result = new StarLocation(this, type, x, y);
+            } while (!this.checkMinDistance(result, others));
+
+            return result;
         }
     }
 }

src/app/game/StarLocation.ts

@@ -80,5 +80,13 @@ module SpaceTac.Game {
                 return null;
             }
         }
+
+        // Get the distance to another location
+        getDistanceTo(other: StarLocation): number {
+            var dx = this.x - other.x;
+            var dy = this.y - other.y;
+
+            return Math.sqrt(dx * dx + dy * dy);
+        }
     }
 }