WIP selection rect work, but not clicking
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f7a801ba20
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90b1737fb2
5 changed files with 183 additions and 34 deletions
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@ -1,4 +1,4 @@
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[gd_scene load_steps=11 format=3 uid="uid://qbceryqqfoum"]
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[gd_scene load_steps=12 format=3 uid="uid://qbceryqqfoum"]
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[ext_resource type="Texture2D" uid="uid://bsnc11pwypbny" path="res://packs/Kaykit-Proto/obj/prototypebits_texture.png" id="1_6oykk"]
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[ext_resource type="Script" uid="uid://b8p60y4eo8w2n" path="res://core/scripts/entity.gd" id="1_w0ui8"]
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@ -10,6 +10,9 @@
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[ext_resource type="ArrayMesh" uid="uid://b7cky6rmvhxl8" path="res://packs/Kaykit-Proto/obj/Dummy_Base_Dummy_Body_Dummy_Target.obj" id="7_d3okb"]
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[ext_resource type="Texture2D" uid="uid://cg3hn4l231fws" path="res://packs/Kenney-BoardGamesIcon/chess_rook_red.svg" id="8_15r82"]
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[sub_resource type="BoxShape3D" id="BoxShape3D_w0ui8"]
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size = Vector3(1, 2, 1)
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_th4ew"]
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albedo_texture = ExtResource("1_6oykk")
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@ -18,6 +21,13 @@ transform = Transform3D(0.9, 0, 0, 0, 0.9, 0, 0, 0, 0.9, 0, 0, 0)
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script = ExtResource("1_w0ui8")
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metadata/_custom_type_script = "uid://b8p60y4eo8w2n"
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[node name="StaticBody3D" type="StaticBody3D" parent="."]
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transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.0267677, 0)
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[node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D"]
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transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.11408532, 0)
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shape = SubResource("BoxShape3D_w0ui8")
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[node name="DummyBase" type="MeshInstance3D" parent="."]
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material_override = SubResource("StandardMaterial3D_th4ew")
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mesh = ExtResource("2_4axxu")
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@ -37,20 +37,20 @@ func is_under_mouse(raycast:Dictionary) -> bool:
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func get_entity_aabb(node: Node3D = self, ignore_top_level: bool = true, bounds_transform: Transform3D = Transform3D()) -> AABB:
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if node == null: return AABB()
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var box: AABB
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var transform: Transform3D
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var node_transform: Transform3D
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# we are going down the child chain, we want the aabb of each subsequent node to be on the same axis as the parent
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if bounds_transform.is_equal_approx(Transform3D()):
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transform = node.global_transform
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node_transform = node.global_transform
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else:
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transform = bounds_transform
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node_transform = bounds_transform
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# no more nodes. return default aabb
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if node == null:
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return AABB(Vector3(-0.2, -0.2, -0.2), Vector3(0.4, 0.4, 0.4))
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# makes sure the transform we get isn't distorted
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var top_xform : Transform3D = transform.affine_inverse() * node.global_transform
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var top_xform : Transform3D = node_transform.affine_inverse() * node.global_transform
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# convert the node into visualinstance3D to access get_aabb() function.
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var visual_result : VisualInstance3D = node as VisualInstance3D
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@ -7,5 +7,5 @@ func _ready() -> void:
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(delta: float) -> void:
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func _process(_delta: float) -> void:
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pass
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@ -1,12 +1,13 @@
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extends Control
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class_name SelectionManager
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var selecting:=false
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var draw_selection := false
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var drag_start: Vector2
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var select_box: Rect2
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var perform_selection := false # Flag to trigger selection in _physics_process
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@onready var box_color: Color = ProjectSettings.get_setting("game/interface/selection_rectangle_color", Color("#00ff0066"))
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@onready var box_color_outline: Color = ProjectSettings.get_setting("game/interface/selection_rectangle_color_outline", Color("#00ff00"))
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@onready var optimized_rect: bool = ProjectSettings.get_setting("game/interface/optimized_rectangle", false)
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@export var rect_style: StyleBoxFlat
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@onready var cam = get_viewport().get_camera_3d()
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@ -19,53 +20,82 @@ func _ready() -> void:
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func _unhandled_input(e: InputEvent) -> void:
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if e is InputEventMouseButton and e.button_index == MOUSE_BUTTON_LEFT:
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if e.pressed:
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selecting = true
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draw_selection = true
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drag_start = e.position
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else: # when button is released
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selecting = false
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else:
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# When button is released
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draw_selection = false
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if drag_start.is_equal_approx(e.position):
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select_box = Rect2(e.position, Vector2.ZERO) # when just clicked
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# Single click: set a zero-sized selection box
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select_box = Rect2(e.position, Vector2.ZERO)
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print("one click")
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queue_redraw()
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update_selected_units()
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elif selecting and e is InputEventMouseMotion:
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else:
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# Drag: calculate the final selection box
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var x_min = min(drag_start.x, e.position.x)
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var y_min = min(drag_start.y, e.position.y)
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select_box = Rect2(x_min, y_min,
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max(drag_start.x, e.position.x) - x_min,
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max(drag_start.y, e.position.y) - y_min)
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update_selected_units()
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perform_selection = true # Trigger selection in _physics_process
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queue_redraw()
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elif draw_selection and e is InputEventMouseMotion:
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# Update selection box for drawing during drag
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var x_min = min(drag_start.x, e.position.x)
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var y_min = min(drag_start.y, e.position.y)
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select_box = Rect2(x_min, y_min,
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max(drag_start.x, e.position.x) - x_min,
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max(drag_start.y, e.position.y) - y_min)
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queue_redraw()
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func _physics_process(_delta: float) -> void:
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if perform_selection:
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update_selected_units()
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perform_selection = false
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func check_raycast(mouse_pos: Vector2, collision_mask: int = 4294967295) -> Dictionary:
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var from = cam.project_ray_origin(mouse_pos)
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var to = from + cam.project_ray_normal(mouse_pos) * 1000 # Magic number
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var query = PhysicsRayQueryParameters3D.new()
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query.from = from ; query.to = to
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query.from = from
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query.to = to
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query.collision_mask = collision_mask
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var space_state = cam.get_world_3d().direct_space_state
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#DebugTools.DrawLine(from,to,25.0)
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return space_state.intersect_ray(query)
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#HACK :https://www.youtube.com/watch?v=NxW9t-YgJkM
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func update_selected_units() -> void:
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var units_array = get_tree().get_nodes_in_group('selectable-entity')
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var raycast = check_raycast(get_local_mouse_position(),2)
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for entity: Entity in units_array: #TODO: currently searching in all unit in the world. Should search in spawned in the chunk
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if entity.is_in_selection(select_box, cam):
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var units_array = get_tree().get_nodes_in_group("selectable-entity")
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var raycast = {}
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# Only perform raycast if it's a single click (zero-sized select_box)
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if select_box.size == Vector2.ZERO:
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raycast = check_raycast(select_box.position)
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if raycast:
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print("found ",raycast.collider.name)
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#breakpoint
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for entity: Entity in units_array:
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# TODO: Optimize by searching only in spawned chunks
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if select_box.size == Vector2.ZERO:
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# Single click: select entity under mouse via raycast
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if raycast and entity.is_under_mouse(raycast):
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entity.select()
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elif entity.is_under_mouse(raycast):
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else:
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entity.deselect()
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else:
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# Drag: select entities within the selection box
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if entity.is_in_selection(select_box, cam):
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entity.select()
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else:
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entity.deselect()
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func _draw() -> void:
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if not selecting:return
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if not (draw_selection or perform_selection):return
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if select_box and rect_style:
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if optimized_rect:
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draw_rect(select_box,box_color)
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@ -1,8 +1,117 @@
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extends Control
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@export var MouseOverlay: Node
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@onready var Cam = get_viewport().get_camera_3d()
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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if !OS.is_debug_build():
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self.queue_free()
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class Line:
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var Start:Vector3
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var End:Vector3
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var LineColor:Color
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var time
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func _init(Start:Vector3, End:Vector3, LineColor, time):
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self.Start = Start
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self.End = End
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self.LineColor = LineColor
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self.time = time
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var Lines = []
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var RemovedLine = false
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func _process(delta):
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for i in range(len(Lines)):
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Lines[i].time -= delta
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if (len(Lines) > 0 || RemovedLine):
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queue_redraw() #Calls _draw
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RemovedLine = false
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func _draw():
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for i in range(len(Lines)):
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if Lines[i].Start.length() == 0:return
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var ScreenPointStart = Cam.unproject_position(Lines[i].Start)
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var ScreenPointEnd = Cam.unproject_position(Lines[i].End)
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#Dont draw line if either start or end is considered behind the camera
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#this causes the line to not be drawn sometimes but avoids a bug where the
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#line is drawn incorrectly
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if (Cam.is_position_behind(Lines[i].Start) ||
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Cam.is_position_behind(Lines[i].End)):
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continue
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draw_line(ScreenPointStart, ScreenPointEnd, Lines[i].LineColor)
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#Remove lines that have timed out
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var i = Lines.size() - 1
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while (i >= 0):
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if (Lines[i].time < 0.0):
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Lines.remove_at(i)
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RemovedLine = true
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i -= 1
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## start point, end point, color, time (optional)
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func DrawLine(Start, End, time = 0.0, LineColor = Color(1.0, 0.0, 0.0, 1.0)):
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Lines.append(Line.new(Start, End, LineColor, time))
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## start point, velocity (direction and magnitude), color, time (optional)
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func DrawRay(Start, Ray, time = 0.0, LineColor = Color(1.0, 0.0, 0.0, 1.0)):
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Lines.append(Line.new(Start, Start + Ray, LineColor, time))
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## start point, half extents (float), color, time (optional)
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func DrawCube(Center, HalfExtents, time = 0.0, LineColor = Color(1.0, 0.0, 0.0, 1.0)):
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#Start at the 'top left'
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var LinePointStart = Center
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LinePointStart.x -= HalfExtents
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LinePointStart.y += HalfExtents
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LinePointStart.z -= HalfExtents
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#Draw top square
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var LinePointEnd = LinePointStart + Vector3(0, 0, HalfExtents * 2.0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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LinePointStart = LinePointEnd
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LinePointEnd = LinePointStart + Vector3(HalfExtents * 2.0, 0, 0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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LinePointStart = LinePointEnd
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LinePointEnd = LinePointStart + Vector3(0, 0, -HalfExtents * 2.0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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LinePointStart = LinePointEnd
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LinePointEnd = LinePointStart + Vector3(-HalfExtents * 2.0, 0, 0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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#Draw bottom square
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LinePointStart = LinePointEnd + Vector3(0, -HalfExtents * 2.0, 0)
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LinePointEnd = LinePointStart + Vector3(0, 0, HalfExtents * 2.0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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LinePointStart = LinePointEnd
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LinePointEnd = LinePointStart + Vector3(HalfExtents * 2.0, 0, 0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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LinePointStart = LinePointEnd
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LinePointEnd = LinePointStart + Vector3(0, 0, -HalfExtents * 2.0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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LinePointStart = LinePointEnd
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LinePointEnd = LinePointStart + Vector3(-HalfExtents * 2.0, 0, 0)
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DrawLine(LinePointStart, LinePointEnd, LineColor, time);
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#Draw vertical lines
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LinePointStart = LinePointEnd
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DrawRay(LinePointStart, Vector3(0, HalfExtents * 2.0, 0), LineColor, time)
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LinePointStart += Vector3(0, 0, HalfExtents * 2.0)
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DrawRay(LinePointStart, Vector3(0, HalfExtents * 2.0, 0), LineColor, time)
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LinePointStart += Vector3(HalfExtents * 2.0, 0, 0)
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DrawRay(LinePointStart, Vector3(0, HalfExtents * 2.0, 0), LineColor, time)
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LinePointStart += Vector3(0, 0, -HalfExtents * 2.0)
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DrawRay(LinePointStart, Vector3(0, HalfExtents * 2.0, 0), LineColor, time)
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