abstract out map tools

1 files changed, 76 insertions, 80 deletions

diff --git a/public/assets/test/ortho2.html b/public/assets/test/ortho2.html
index 2c600f5..49e0308 100644
--- a/public/assets/test/ortho2.html
+++ b/public/assets/test/ortho2.html
@@ -41,6 +41,7 @@ body {
 <script src="/assets/javascripts/vendor/bower_components/jquery/dist/jquery.min.js"></script>
 <script src="/assets/javascripts/vendor/bower_components/lodash/lodash.min.js"></script>
 <script src="/assets/javascripts/vendor/bower_components/hidpi-canvas/dist/hidpi-canvas.js"></script>
+<script src="/assets/javascripts/vendor/bower_components/fiber/src/fiber.min.js"></script>
 <script src="/assets/javascripts/vendor/polyfill.js"></script>
 <script src="/assets/javascripts/vendor/tube.js"></script>
 <script src="/assets/javascripts/mx/mx.js"></script>
@@ -66,92 +67,87 @@ app.tube = new Tube ()
 app.on = function(){ app.tube.on.apply(app.tube, arguments) }
 app.off = function(){	app.tube.off.apply(app.tube, arguments) }
 
-Map.UI = Map.UI || {}
-Map.UI.Ortho = function(map){
-
-	var base = this
+var MapTool = Fiber.extend(function(base){
+	var exports = {
+	  down: function(e, cursor){},
+	  move: function(e, cursor){},
+	  drag: function(e, cursor){},
+	  up: function(e, cursor, new_cursor){},
+  }
+  return exports
+})
 
-	base.creating = base.dragging = base.resizing = false
+var PositionTool = MapTool.extend(function(base){
+	var exports = {
+	  down: function(e, cursor){
+      cursor.quantize(1/map.zoom)
+      map.center.a = cursor.x.a
+      map.center.b = -cursor.y.a
+      cursor.x.b = cursor.x.a
+      cursor.y.b = cursor.y.a
+      map.ui.mouse.down = false
+	  },
+  }
+  return exports
+})
 
-	base.mouse = new mouse({
-		el: map.el,
-		down: function(e, cursor){
-			cursor.x.div(map.dimensions.a).add(0.5).mul(map.dimensions.a / map.zoom).add(map.center.a)
-			cursor.y.div(map.dimensions.b).sub(0.5).mul(map.dimensions.b / map.zoom).sub(map.center.b)
+var PolylineTool = MapTool.extend(function (base) {
+  var exports = {}
+  exports.down = function(e, cursor){
 
-      if (e.ctrlKey || e.which === 3) {
-        if (placing) {
-          // close polyline or cancel
-          placing = false
-					add_mx_polyline(points)
-          return
+    // rightclick?
+    if (e.ctrlKey || e.which === 3) {
+      e.preventDefault()
+      e.stopPropagation()
+      if (placing) {
+        // close polyline or cancel
+        placing = false
+        if (points.length > 2) {
+          add_mx_polyline(points)
+        }
+        else {
+          points.length = 0
         }
-        cursor.quantize(1/map.zoom)
-        map.center.a = cursor.x.a
-        map.center.b = -cursor.y.a
-        cursor.x.b = cursor.x.a
-        cursor.y.b = cursor.y.a
-        base.mouse.down = false
-        e.preventDefault()
-        e.stopPropagation()
         return
       }
+      map.ui.tools.position.down(e, cursor)
+      return
+    }
 
-			// compare to initial point
-			var p = new vec2( cursor.x.a, cursor.y.a )
-			if (placing) {
-				if (points.length > 2 && points[0].distanceTo( p ) < 10/map.zoom) {
-					points.push( points[0].clone() )
-					placing = false
-					add_mx_polyline(points)
-				}
-				else {
-					points.push( p )
-          mx_points.push( add_mx_point(p) )
-				}
-			}
-			else {
-				placing = true
-				points = []
-				points.push( p )
+    // compare to initial point
+    var p = new vec2( cursor.x.a, cursor.y.a )
+    if (placing) {
+      if (points.length > 2 && points[0].distanceTo( p ) < 10/map.zoom) {
+        points.push( points[0].clone() )
+        placing = false
+        add_mx_polyline(points)
+      }
+      else {
+        points.push( p )
         mx_points.push( add_mx_point(p) )
-			}
-		},
-		move: function(e, cursor){
-			cursor.x.div(map.dimensions.a).add(0.5).mul(map.dimensions.a / map.zoom).add(map.center.a)
-			cursor.y.div(map.dimensions.b).sub(0.5).mul(map.dimensions.b / map.zoom).sub(map.center.b)
-
-			last_point = new vec2( cursor.x.a, cursor.y.a )
-			if (placing && points.length > 1 && points[0].distanceTo( last_point ) < 10/map.zoom) {
-				document.body.style.cursor = "pointer"
-				last_point.assign(points[0])
-				cursor.x.a = cursor.x.b = last_point.a
-				cursor.y.a = cursor.y.b = last_point.b
-			}
-			else {
-				document.body.style.cursor = "crosshair"
-			}
-		},
-		drag: function(e, cursor){
-			cursor.x.b = ((cursor.x.b/map.dimensions.a)+0.5) * map.dimensions.a / map.zoom + map.center.a
-			cursor.y.b = ((cursor.y.b/map.dimensions.b)-0.5) * map.dimensions.b / map.zoom - map.center.b
-		},
-		up: function(e, cursor, new_cursor){
-			new_cursor.x.div(map.dimensions.a).add(0.5).mul(map.dimensions.a / map.zoom).add(map.center.a)
-			new_cursor.y.div(map.dimensions.b).sub(0.5).mul(map.dimensions.b / map.zoom).sub(map.center.b)
-		}
-	})
-
-	base.wheel = new wheel({
-		el: map.el,
-		update: mousewheel,
-	})
-
-	function mousewheel (e, deltaY, deltaX){
-		map.set_zoom(map.zoom_exponent - deltaY/20)
-	}
-}
-
+      }
+    }
+    else {
+      placing = true
+      points = []
+      points.push( p )
+      mx_points.push( add_mx_point(p) )
+    }
+  }
+  exports.move = function(e, cursor){
+    last_point = new vec2( cursor.x.a, cursor.y.a )
+    if (placing && points.length > 1 && points[0].distanceTo( last_point ) < 10/map.zoom) {
+      document.body.style.cursor = "pointer"
+      last_point.assign(points[0])
+      cursor.x.a = cursor.x.b = last_point.a
+      cursor.y.a = cursor.y.b = last_point.b
+    }
+    else {
+      document.body.style.cursor = "crosshair"
+    }
+  }
+  return exports
+})
 
 var scene, map, controls
 
@@ -302,8 +298,8 @@ function build () {
   floorplan.el.addEventListener("contextmenu", function(e){
     e.preventDefault()
     var offset = offsetFromPoint(e, this)
-    var x = (offset.left - 0.5) * floorplan.width
-    var z = (offset.top - 0.5) * floorplan.height
+    var x = (offset.left - 0.5) * floorplan.width * floorplan.scale
+    var z = (offset.top - 0.5) * floorplan.height * floorplan.scale
     controls.opt.center.x = -x
     controls.opt.center.y = 0
     controls.opt.center.z = -z