From aff7416b65281458ba478ec24b77d94b183e3b82 Mon Sep 17 00:00:00 2001
From: Arne Dußin
Date: Sun, 15 Nov 2020 19:47:39 +0100
Subject: Fix the dimension indicators persisting after add

The dimension indicators were drawn very for the blink of an eye when
starting a rect that comes after the first. This commit should fix that.
---
 src/dimension_indicator.rs | 4 ++++
 src/tool/room_tool.rs      | 6 ++++++
 2 files changed, 10 insertions(+)

(limited to 'src')

diff --git a/src/dimension_indicator.rs b/src/dimension_indicator.rs
index 0ea96d3..2eb3eee 100644
--- a/src/dimension_indicator.rs
+++ b/src/dimension_indicator.rs
@@ -24,6 +24,10 @@ impl DimensionIndicator {
         this
     }
 
+    pub fn clear_dimensions(&mut self) {
+        self.length_lines.clear();
+    }
+
     /// Update the dimensions by analysing a given set of points and adjusting the internal
     /// (measured) dimensions.
     pub fn update_dimensions(&mut self, corner_points: &[Vec2<f32>]) {
diff --git a/src/tool/room_tool.rs b/src/tool/room_tool.rs
index 0ac74b5..3416596 100644
--- a/src/tool/room_tool.rs
+++ b/src/tool/room_tool.rs
@@ -30,6 +30,11 @@ impl RoomTool {
 }
 
 impl Tool for RoomTool {
+    fn deactivate(&mut self) {
+        self.unfinished_rect = None;
+        self.dimension_indicator.clear_dimensions();
+    }
+
     fn active_update(&mut self, map_data: &mut MapData, rl: &RaylibHandle, transform: &Transform) {
         let mouse_pos_m = transform.point_px_to_m(rl.get_mouse_position().into());
         // Update the currently drawn rectangle, if it exists, and also its dimension indicator.
@@ -42,6 +47,7 @@ impl Tool for RoomTool {
         // Start or finish drawing the currently unfinished rectangle
         if self.keybindings.finish_draw.is_pressed(rl) && self.unfinished_rect.is_some() {
             let (pos1, pos2) = self.unfinished_rect.take().unwrap();
+            self.dimension_indicator.clear_dimensions();
             map_data.rooms_mut().push(Rect::bounding_rect(pos1, pos2));
         } else if self.keybindings.start_draw.is_pressed(rl) {
             let snapped_mouse_pos = snap_to_grid(mouse_pos_m, SNAP_SIZE);
-- 
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