From 54cfecacc47ea95687826e04e44570c84851cb61 Mon Sep 17 00:00:00 2001
From: OverloadedOrama <35376950+OverloadedOrama@users.noreply.github.com>
Date: Wed, 30 Sep 2020 13:12:01 +0300
Subject: [PATCH] Guides now move with a step of 0.5 pixels

---
 CHANGELOG.md                  |  1 +
 src/UI/Canvas/Rulers/Guide.gd | 14 ++++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85c5b944f..887d837ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - A new purple theme.
 
 ### Changed
+- Guides now move with a step of 0.5 pixels. That makes it possible to have guides (and symmetry guides) to be in the middle of pixels.
 - Changed how Dark, Gray, Caramel and Light themes look. All theme elements now have the same spacing and margins.
 
 ### Fixed
diff --git a/src/UI/Canvas/Rulers/Guide.gd b/src/UI/Canvas/Rulers/Guide.gd
index a205e0f78..a08c71517 100644
--- a/src/UI/Canvas/Rulers/Guide.gd
+++ b/src/UI/Canvas/Rulers/Guide.gd
@@ -35,11 +35,13 @@ func _input(_event : InputEvent):
 	if has_focus and visible:
 		if Input.is_action_pressed("left_mouse"):
 			if type == Types.HORIZONTAL:
-				points[0].y = round(mouse_pos.y)
-				points[1].y = round(mouse_pos.y)
+				var yy = stepify(mouse_pos.y, 0.5)
+				points[0].y = yy
+				points[1].y = yy
 			else:
-				points[0].x = round(mouse_pos.x)
-				points[1].x = round(mouse_pos.x)
+				var xx = stepify(mouse_pos.x, 0.5)
+				points[0].x = xx
+				points[1].x = xx
 		if Input.is_action_just_released("left_mouse"):
 			Global.has_focus = true
 			has_focus = false
@@ -53,10 +55,10 @@ func _draw() -> void:
 		var zoom: Vector2 = Global.camera.zoom
 		if type == Types.HORIZONTAL:
 			draw_set_transform(Vector2(Global.camera.offset.x - (viewport_size.x / 2) * zoom.x, points[0].y + font.get_height() * zoom.x * 2), rotation, zoom * 2)
-			draw_string(font, Vector2.ZERO, "%spx" % str(round(mouse_pos.y)))
+			draw_string(font, Vector2.ZERO, "%spx" % str(stepify(mouse_pos.y, 0.5)))
 		else:
 			draw_set_transform(Vector2(points[0].x + font.get_height() * zoom.y, Global.camera.offset.y - (viewport_size.y / 2.25) * zoom.y), rotation, zoom * 2)
-			draw_string(font, Vector2.ZERO, "%spx" % str(round(mouse_pos.x)))
+			draw_string(font, Vector2.ZERO, "%spx" % str(stepify(mouse_pos.x, 0.5)))
 
 
 func outside_canvas() -> bool: