1 files changed, 65 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
new file mode 100644
index 0000000..adff4d2
--- /dev/null
+++ b/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
@@ -0,0 +1,65 @@
+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)
+			// 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 )
+        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)
+	}
+}
+\ No newline at end of file