translation tests

1 files changed, 21 insertions, 2 deletions

diff --git a/public/assets/javascripts/rectangles/models/surface.js b/public/assets/javascripts/rectangles/models/surface.js
index 0e0926f..3f43ec2 100644
--- a/public/assets/javascripts/rectangles/models/surface.js
+++ b/public/assets/javascripts/rectangles/models/surface.js
@@ -100,12 +100,28 @@
 		if (top_edge > 0) {
 			delta.b -= top_edge
 		}
+		
+		return delta
 	}
 
 	Surface.prototype.translate = function (old_bounds, dimension, position, delta) {
+		
 		this.clamp_delta( this.bounds, dimension, position, delta )
+
+		var new_delta = delta.clone()
+		if (this.clamp_delta(old_bounds, dimension, position, new_delta).eq(delta)) {
+			return old_bounds
+		}
+
+    var center_index = this.index_for_x( position.a + dimension.a/2 + delta.a, 0 )
+		var new_bounds = this.bounds_at_index_with_dimensions(center_index, dimension)
+		
+		this.clamp_delta(new_bounds, dimension, position, delta)
 		
-    var left_side =  this.index_for_x( position.a + delta.a, 0 )
+		return new_bounds
+
+/*
+    var left_side = this.index_for_x( position.a + delta.a, 0 )
     var right_side = this.index_for_x( position.a + dimension.a + delta.a, left_side )
 
     var bounds = this.sides[left_side].clone()
@@ -126,11 +142,12 @@
 
     this.clamp_delta(bounds, dimension, position, delta)
     return bounds
+*/
 	}
 	
 	Surface.prototype.index_for_x = function(x, min_i){
     min_i = min_i || 0
-		if (x < 0 || x > width) {
+		if (x < 0 || x > this.width) {
 			return -1
 		}
 		for (var i = min_i; i < this.faces.length; i++) {
@@ -162,6 +179,8 @@
       else if (bounds.width() < width) {
       	intersection = bounds.y.intersection(face.y)
       	if (intersection.length() < height) {
+      		// not totally sure if we can clobber the bounds here since this would prevent
+      		// us from looking right later
       		break
       	}
       	else {