Adjusting submarine spawnposition if the sub (or any docked subs) intersect with walls

2016-12-20 16:11:47 +02:00
parent 5e8a01636e
commit dd46ce1d98
3 changed files with 94 additions and 1 deletions
@@ -233,6 +233,37 @@ namespace Barotrauma
                new Vector2(rect.Right, rect.Y - rect.Height));
        }

+        public static List<Vector2> GetLineRectangleIntersections(Vector2 a1, Vector2 a2, Rectangle rect)
+        {
+            List<Vector2> intersections = new List<Vector2>();
+
+            Vector2? intersection = GetLineIntersection(a1, a2,
+                new Vector2(rect.X, rect.Y),
+                new Vector2(rect.Right, rect.Y));
+
+            if (intersection != null) intersections.Add((Vector2)intersection);
+
+            intersection = GetLineIntersection(a1, a2,
+                new Vector2(rect.X, rect.Y - rect.Height),
+                new Vector2(rect.Right, rect.Y - rect.Height));
+
+            if (intersection != null) intersections.Add((Vector2)intersection);
+
+            intersection = GetLineIntersection(a1, a2,
+                new Vector2(rect.X, rect.Y),
+                new Vector2(rect.X, rect.Y - rect.Height));
+
+            if (intersection != null) intersections.Add((Vector2)intersection);
+
+            intersection = GetLineIntersection(a1, a2,
+                new Vector2(rect.Right, rect.Y),
+                new Vector2(rect.Right, rect.Y - rect.Height));
+
+            if (intersection != null) intersections.Add((Vector2)intersection);
+
+            return intersections;
+        }
+
        public static float LineToPointDistance(Vector2 lineA, Vector2 lineB, Vector2 point)
        {
            float xDiff = lineB.X - lineA.X;