oh-my-git/scenes/arrow.gd
2020-10-29 17:41:25 +01:00

50 lines
1.4 KiB
GDScript

extends Node2D
var source: String
var target: String setget set_target
var color = Color("333333") setget set_color
var repository: Control
func _ready():
set_color(color)
func _process(_delta):
position = Vector2(0,0)
if not (repository and repository.objects.has(source)):
return
var start = repository.objects[source].position
var end = start
var parent_position = get_parent().get_parent().position
var show_arrow = repository.objects.has(target) and repository.objects[target].visible and repository.objects[source].visible and repository.objects[source].type != "head"
if show_arrow:
end = repository.objects[target].position
$Target.hide()
$Line.visible = show_arrow
$Tip.visible = show_arrow
if $Target.text.substr(0, 5) != "refs/" or repository.objects.has(target):
$Target.text = ""
$Line.points[0] = start - parent_position
$Line.points[1] = end - parent_position
#$Line.points[0] += ($Line.points[1] - $Line.points[0]).normalized()*30
$Line.points[1] -= ($Line.points[1] - $Line.points[0]).normalized()*30
$Tip.position = $Line.points[1]
$Tip.rotation = PI + atan2($Line.points[0].y - $Line.points[1].y, $Line.points[0].x - $Line.points[1].x)
func set_color(new_color):
color = new_color
$Line.default_color = new_color
$Tip/Polygon.color = new_color
func set_target(new_target):
target = new_target
$Target.text = new_target