basic culling tests

1 files changed, 70 insertions, 7 deletions

diff --git a/test/03-test-clipping.js b/test/03-test-clipping.js
index 1668bd1..4743eb0 100644
--- a/test/03-test-clipping.js
+++ b/test/03-test-clipping.js
@@ -1,5 +1,5 @@
 var assert = require("assert")
-var vec2 = require("../public/assets/javascripts/rectangles/models/vec2.js")
+var vec = require("../public/assets/javascripts/rectangles/models/vec2.js")
 var Rect = require("../public/assets/javascripts/rectangles/models/rect.js")
 var Room = require("../public/assets/javascripts/rectangles/models/room.js")
 var Rooms = require("../public/assets/javascripts/rectangles/engine/rooms/_rooms.js")
@@ -7,15 +7,78 @@ var Clipper = require("../public/assets/javascripts/rectangles/engine/rooms/clip
 var FRONT = 0x1, BACK = 0x2, LEFT = 0x4, RIGHT = 0x8, FLOOR = 0x10, CEILING = 0x20
 var ALL = FRONT | BACK | LEFT | RIGHT
 
+var rect       = new Rect( new vec(1,4), new vec(1,4) )
+var east       = new Rect( new vec(2,5), new vec(1,4) )
+var corner     = new Rect( new vec(3,5), new vec(3,5) )
+
+function report(a) {
+  console.log( a.join("\n") )
+}
+
 describe('clipper', function(){
-  describe('#intersects()', function(){
-		// var rect = new Rect(0, 0, 10, 10)
+  Rooms.list = {}
+  Rooms.regions = []
+  Rooms.add_with_rect( rect )
+  Rooms.add_with_rect( east )
+
+  describe('#clip_rects(rect, east)', function(){
+    Rooms.clipper.reset_rects()
+    var regions = Rooms.clipper.clip_rects()
 
-    /*
-    it('intersects itself', function(){
-      assert.equal(true, rect.intersects( new Rect(0, 0, 10, 10) ));
+    it('contains duplicates', function(){
+      var map = {}
+      var state = regions.some(function(a){
+        var s = a.toString()
+        if (s in map) return true
+        map[s] = s
+        return false
+      })
+      assert.equal(true, state)
+    })
+  })
+
+  describe('#cull_rects(rect, east)', function(){
+    Rooms.clipper.reset_rects()
+    var regions = Rooms.clipper.clip_rects()
+    var culled = Rooms.clipper.cull_rects()
+    var culled_dupes = culled.filter(function(r){ return r.dupe })
+    var culled_regions = culled.filter(function(r){ return ! r.dupe })
+
+    it('clipper returns 4 rects', function(){
+      assert.equal(4, regions.length)
+    })
+    it('culling marks 1 duplicate', function(){
+      assert.equal(1, culled_dupes.length)
+    })
+    it('culling marks 3 non-duplicate', function(){
+      assert.equal(3, culled_regions.length)
     })
-    */
+  })
+
+  //
+
+  Rooms.list = {}
+  Rooms.regions = []
+  Rooms.add_with_rect( rect )
+  Rooms.add_with_rect( corner )
 
+  describe('#cull_rects(rect, corner)', function(){
+    Rooms.clipper.reset_rects()
+    var regions = Rooms.clipper.clip_rects()
+    var culled = Rooms.clipper.cull_rects()
+    var culled_dupes = culled.filter(function(r){ return r.dupe })
+    var culled_regions = culled.filter(function(r){ return ! r.dupe })
+
+    it('clipper returns 8 rects', function(){
+      assert.equal(8, regions.length)
+    })
+    it('culling marks 1 duplicate', function(){
+      assert.equal(1, culled_dupes.length)
+    })
+    it('culling marks 7 non-duplicate', function(){
+      assert.equal(7, culled_regions.length)
+    })
   })
+
 })
+