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-rw-r--r--public/assets/javascripts/rectangles/engine/map/tools/line.js63
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
+}) \ No newline at end of file