bounds tester

5 files changed, 136 insertions, 6 deletions

diff --git a/public/assets/javascripts/rectangles/models/rect.js b/public/assets/javascripts/rectangles/models/rect.js
index f23ab9e..67852b4 100644
--- a/public/assets/javascripts/rectangles/models/rect.js
+++ b/public/assets/javascripts/rectangles/models/rect.js
@@ -139,6 +139,7 @@
 	}
 	Rect.prototype.width = function(){ return this.x.length() }
 	Rect.prototype.height = function(){ return this.y.length() }
+	Rect.prototype.delta = function(){ return new vec2( this.x.magnitude(), this.y.magnitude() ) }
 	Rect.prototype.toString = function(){
 		var sides = sidesToString(this.sides)
 		var s = "[" + this.x.toString() + " " + this.y.toString() + "] " + sides
diff --git a/public/assets/javascripts/rectangles/models/surface.js b/public/assets/javascripts/rectangles/models/surface.js
index 3f43ec2..f7fe890 100644
--- a/public/assets/javascripts/rectangles/models/surface.js
+++ b/public/assets/javascripts/rectangles/models/surface.js
@@ -113,7 +113,9 @@
 			return old_bounds
 		}
 
-    var center_index = this.index_for_x( position.a + dimension.a/2 + delta.a, 0 )
+    var left_index   = this.index_for_x( position.a + dimension.a/2 + delta.a, 0 )
+    var center_index = this.index_for_x( position.a + dimension.a/2 + delta.a, left_index )
+    var right_index  = this.index_for_x( position.a + dimension.a/2 + delta.a, center_index )
 		var new_bounds = this.bounds_at_index_with_dimensions(center_index, dimension)
 		
 		this.clamp_delta(new_bounds, dimension, position, delta)
diff --git a/public/assets/javascripts/rectangles/util/mouse.js b/public/assets/javascripts/rectangles/util/mouse.js
index 06958af..fea3376 100644
--- a/public/assets/javascripts/rectangles/util/mouse.js
+++ b/public/assets/javascripts/rectangles/util/mouse.js
@@ -8,7 +8,7 @@
 				// cursor.x.a
 				// cursor.y.a
 			},
-			move: function(e, cursor, delta){
+			move: function(e, cursor){
 				// delta.a (x)
 				// delta.b (y)
 			},
diff --git a/public/assets/test/surface.html b/public/assets/test/surface.html
new file mode 100644
index 0000000..85e3a7b
--- /dev/null
+++ b/public/assets/test/surface.html
@@ -0,0 +1,77 @@
+<canvas id="canvas"></canvas>
+
+<script src="/assets/javascripts/util.js"></script>
+<script src="/assets/javascripts/vendor/tube.js"></script>
+<script src="/assets/javascripts/rectangles/util/constants.js"></script>
+<script src="/assets/javascripts/rectangles/util/mouse.js"></script>
+<script src="/assets/javascripts/rectangles/models/vec2.js"></script>
+<script src="/assets/javascripts/rectangles/models/rect.js"></script>
+<script src="/assets/javascripts/rectangles/models/surface.js"></script>
+<script>
+
+var ctx = canvas.getContext('2d')
+
+var w = canvas.width = 600
+var h = canvas.height = 400
+
+var surface = new Surface ()
+surface.add( new Rect( new vec2(10, 100), new vec2(0, 400) ) )
+surface.add( new Rect( new vec2(100, 300), new vec2(200, 400) ) )
+surface.add( new Rect( new vec2(300, 400), new vec2(0, 300) ) )
+surface.add( new Rect( new vec2(400, 500), new vec2(0, 400) ) )
+
+var position = new vec2( 40, 40 )
+var dimension = new vec2( 50, 80 )
+var bounds = surface.bounds_at_index_with_dimensions(0, dimension)
+
+var delta = new vec2( 0, 0 )
+
+var dragging = false
+
+var mymouse = new mouse({
+  el: canvas,
+  down: function(e, cursor){
+  console.log(cursor.x.a, cursor.y.a)
+    if (-cursor.x.a > position.a && -cursor.x.a < position.a + dimension.a &&
+         cursor.y.a > position.b && cursor.y.a < position.b + dimension.b) {
+      dragging = true
+    }
+  },
+  drag: function(e, cursor){
+    if (! dragging) return
+    delta = cursor.delta()
+    delta.a = - delta.a
+    var new_bounds = surface.translate(bounds, dimension, position, delta)
+    bounds = new_bounds || bounds
+  },
+  up: function(e, cursor, new_cursor){
+    position.a += delta.a
+    position.b += delta.b
+    delta.zero()
+    dragging = false
+  },
+})
+
+
+var colors = ["#ddd", "#eee"]
+
+function draw(){
+  ctx.clearRect(0,0,w,h)
+  surface.faces.forEach(function(face, i){
+    ctx.fillStyle = colors[i % colors.length]
+    ctx.fillRect(face.x.a, face.y.a, face.width(), face.height())
+  })
+  ctx.fillStyle = "rgba(255,0,0,0.1)"
+  ctx.fillRect(bounds.x.a, bounds.y.a, bounds.width(), bounds.height())
+  
+  ctx.fillStyle = dragging ? "#ff0" : "#00f"
+  ctx.fillRect(position.a + delta.a, position.b + delta.b, dimension.a, dimension.b)
+}
+
+function animate(){
+  requestAnimationFrame(animate)
+  draw()
+}
+animate()
+
+</script>
diff --git a/test/07-test-surface.js b/test/07-test-surface.js
index 8a6d3d0..a9feffa 100644
--- a/test/07-test-surface.js
+++ b/test/07-test-surface.js
@@ -223,10 +223,11 @@ describe('door surface', function(){
     })
   })
 
-  var position = new vec2(1, 2)
+  var position = new vec2(1, 1)
   var bounds = surface.bounds_at_index_with_dimensions(0, small)
 
   describe('#translate()', function(){
+  /*
     it("does not alter a zero delta", function(){
       var delta = new vec2(0,0)
       var new_bounds = surface.translate(bounds, small, position, delta)
@@ -277,16 +278,65 @@ describe('door surface', function(){
       console.log(new_bounds+"")
       assert.equal(true, delta.eq(new vec2( 5, 0 )))
     })
-    it("clamps upward delta", function(){
+    */
+    it("clamps upward delta 0,10", function(){
       var delta = new vec2(0, 10)
-      surface.translate(bounds, small, position, delta)
+      var new_bounds = surface.translate(bounds, small, position, delta)
+      console.log(new_bounds+" <<<__c:w<")
+      console.log(delta+"")
       assert.equal(true, delta.eq(new vec2( 0, 1 )))
     })
+    it("clamps upward delta 1,10", function(){
+      var delta = new vec2(1, 10)
+      var new_bounds = surface.translate(bounds, small, position, delta)
+      console.log(new_bounds+" <<<__c:w<")
+      console.log(delta+"")
+      assert.equal(true, delta.eq(new vec2( 1, 1 )))
+    })
+    it("clamps upward delta 2,10", function(){
+      var delta = new vec2(2, 10)
+      var new_bounds = surface.translate(bounds, small, position, delta)
+      console.log(new_bounds+" <<<__c:w<")
+      console.log(delta+" <<<<<<<<<")
+      assert.equal(true, delta.eq(new vec2( 2, 1 )))
+    })
+    it("clamps upward delta 3,10", function(){
+      var delta = new vec2(3, 10)
+      var bounds2 = surface.translate(bounds, small, position, delta)
+      console.log(bounds2+" <<<__c:w<")
+      console.log(delta+"")
+      assert.equal(true, delta.eq(new vec2( 3, 1 )))
+    })
+    it("clamps upward delta 4,10", function(){
+      var delta = new vec2(4, 10)
+      var bounds2 = surface.translate(bounds, small, position, delta)
+      console.log(bounds2+" <<<__c:w<")
+      console.log(delta+"")
+      assert.equal(true, delta.eq(new vec2( 4, 1 )))
+    })
+    it("clamps upward delta 5,10", function(){
+      var delta = new vec2(5, 10)
+      var bounds2 = surface.translate(bounds, small, position, delta)
+      console.log(bounds2+" <<<__c:w<")
+      console.log(delta+"")
+      assert.equal(true, delta.eq(new vec2( 5, 1 )))
+    })
+    it("clamps upward delta 6,10", function(){
+      var delta = new vec2(6, 10)
+      var bounds2 = surface.translate(bounds, small, position, delta)
+      console.log(bounds2+" <<<__c:w<")
+      console.log(delta+"")
+      assert.equal(true, delta.eq(new vec2( 6, 1 )))
+    })
+/*
     it("clamps downward delta", function(){
       var delta = new vec2(0, -10)
-      surface.translate(bounds, small, position, delta)
+      var new_bounds = surface.translate(bounds, small, position, delta)
+      console.log(new_bounds+" <<<__c:w<")
+      console.log(delta+"")
       assert.equal(true, delta.eq(new vec2( 0, -1 )))
     })
+*/
 
   })