intersection test 2 - hit-testing on wall structure

1 files changed, 9 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/models/surface.js b/public/assets/javascripts/rectangles/models/surface.js
index 3a6c449..fc4aae4 100644
--- a/public/assets/javascripts/rectangles/models/surface.js
+++ b/public/assets/javascripts/rectangles/models/surface.js
@@ -154,6 +154,15 @@
 		}
 		return -1
 	}
+	Surface.prototype.face_for_x = function(x, min_i){
+    min_i = min_i || 0
+		for (var i = min_i; i < this.faces.length; i++) {
+			if (this.faces[i].x.contains(x)) {
+				return this.faces[i]
+			}
+		}
+		return null
+	}
 
 	Surface.prototype.bounds_at_index_with_dimensions = function(index, dimensions){
     var faces = this.faces