merge

1 files changed, 63 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/engine/map/tools/line.js b/public/assets/javascripts/rectangles/engine/map/tools/line.js
new file mode 100644
index 0000000..8175d66
--- /dev/null
+++ b/public/assets/javascripts/rectangles/engine/map/tools/line.js
@@ -0,0 +1,63 @@
+// Tool is used to define a very simple line between two points.
+// It is used by the BlueprintScaler to specify a sample distance to scale.
+
+var LineTool = MapTool.extend(function(base){
+	var exports = {}
+	
+	var selected_point = null
+	
+	var line = exports.line = []
+	
+	var can_drag, dragging
+	
+	exports.down = function(e, cursor){
+
+    // rightclick?
+    if (e.ctrlKey || e.which === 3) {
+      cursor.quantize(1/map.zoom)
+      app.router.blueprintView.map.center.a = cursor.x.a
+      app.router.blueprintView.map.center.b = -cursor.y.a
+      cursor.x.b = cursor.x.a
+      cursor.y.b = cursor.y.a
+      return
+    }
+    
+	  this.cursor = cursor
+	  switch (line.length) {
+	    case 0:
+        line[0] = cursor.x_component()
+        can_drag = true
+        break
+      case 1:
+        line[1] = cursor.x_component()
+        can_drag = false
+        break
+      case 2:
+        line[0] = cursor.x_component()
+        line.pop()
+        can_drag = true
+        break
+    }
+	}
+	
+	exports.move = function(e, cursor){
+    this.cursor = cursor
+	}
+	
+	exports.drag = function(e, cursor){
+	  if (dragging) {
+	    line[1].a = cursor.x.b
+	    line[1].b = cursor.y.b
+	  }
+	  else if (can_drag && cursor.magnitude() > 10/map.zoom) {
+	    line[1] = cursor.y_component()
+	    dragging = true
+	  }
+	}
+	
+	exports.up = function(e, cursor){
+	  can_drag = dragging = false
+	}
+
+	return exports
+})
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