extend vec in both directions

1 files changed, 28 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/models/wall.js b/public/assets/javascripts/rectangles/models/wall.js
index 8590de7..a026c3c 100644
--- a/public/assets/javascripts/rectangles/models/wall.js
+++ b/public/assets/javascripts/rectangles/models/wall.js
@@ -25,6 +25,34 @@
 	Wall.prototype.toString = function(){
 		return this.vec.toString()
 	}
+	Wall.prototype.get_points = function(wall_vec){
+		wall_vec = wall_vec || new Rect ()
+		if (this.side & LEFT) {
+			wall_vec.x.a = this.edge
+			wall_vec.x.b = this.vec.b
+			wall_vec.y.a = this.edge
+			wall_vec.y.b = this.vec.a
+		}
+		else if (this.side & RIGHT) {
+			wall_vec.x.a = this.edge
+			wall_vec.x.b = this.vec.a
+			wall_vec.y.a = this.edge
+			wall_vec.y.b = this.vec.b
+		}
+    else if (this.side & FRONT) {
+      wall_vec.x.a = this.vec.a
+      wall_vec.x.b = this.edge
+      wall_vec.y.a = this.vec.b
+      wall_vec.y.b = this.edge
+    }
+    else if (this.side & BACK) {
+      wall_vec.x.a = this.vec.b
+      wall_vec.x.b = this.edge
+      wall_vec.y.a = this.vec.a
+      wall_vec.y.b = this.edge
+    }
+    return wall_vec
+	}
 
 	Wall.prototype.reset = function(){
 	}