abstract out map tools

1 files changed, 49 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/engine/map/ui_ortho.js b/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
index e69de29..0c501ad 100644
--- a/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
+++ b/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
@@ -0,0 +1,49 @@
+Map.UI = Map.UI || {}
+Map.UI.Ortho = function(map){
+
+	var base = this
+
+	base.creating = base.dragging = base.resizing = false
+
+	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)
+      base.tools[currentTool].down(e, cursor)
+		},
+		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)
+      base.tools[currentTool].move(e, cursor)
+		},
+		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
+      base.tools[currentTool].drag(e, cursor)
+		},
+		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.tools[currentTool].up(e, cursor, new_cursor)
+		}
+	})
+	
+	var currentTool = "polyline"
+	base.setTool = function(s){
+	  currentTool = s
+	}
+	base.tools = {
+	  polyline: new PolylineTool,
+	  position: new PositionTool,
+	}
+
+	base.wheel = new wheel({
+		el: map.el,
+		update: mousewheel,
+	})
+
+	function mousewheel (e, deltaY, deltaX){
+		map.set_zoom(map.zoom_exponent - deltaY/20)
+	}
+}