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Fix guide snapping segment detection

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The previous method was not working for perspective guides rotated at 315 degrees, due to the test line being parallel to it. Thanks to Variable for the solution.
This commit is contained in:
Emmanouil Papadeas 2023-02-13 01:21:29 +02:00
parent 12fbeca724
commit fdb24c008e
1 changed files with 4 additions and 1 deletions
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5
src/Tools/BaseTool.gd
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@ -216,8 +216,11 @@ func _get_closest_point_to_grid(
func _get_closest_point_to_segment(
position: Vector2, distance: Vector2, s1: Vector2, s2: Vector2
) -> Vector2:
var test_line := (s2 - s1).rotated(deg2rad(90)).normalized()
var from_a := position - test_line * distance.length()
var from_b := position + test_line * distance.length()
var closest_point := Vector2.INF
if Geometry.segment_intersects_segment_2d(position - distance, position + distance, s1, s2):
if Geometry.segment_intersects_segment_2d(from_a, from_b, s1, s2):
closest_point = Geometry.get_closest_point_to_segment_2d(position, s1, s2)
return closest_point