Recti can return corner Vec2i now

com/danitheskunk/skunkworks/Recti.java

@@ -36,4 +36,20 @@ public final class Recti {
 	public int getHeight() {
 		return size.getY();
 	}
+
+	public Vec2i getTopLeft() {
+		return pos;
+	}
+
+	public Vec2i getTopRight() {
+		return new Vec2i(pos.getX() + size.getX(), pos.getY());
+	}
+
+	public Vec2i getBottomLeft() {
+		return new Vec2i(pos.getX(), pos.getY() + size.getY());
+	}
+
+	public Vec2i getBottomRight() {
+		return Vec2i.add(pos, size);
+	}
 }