86 lines
2.2 KiB
GDScript
86 lines
2.2 KiB
GDScript
extends StaticBody3D
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@onready var caret: MeshInstance3D = $Label/Caret
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@onready var label: Label3D = $Label
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@onready var animation: AnimationPlayer = $AnimationPlayer
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var text: String = "Hello World":
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set(value):
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var old_text = text
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text = value
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label.text = value
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gap_offsets = _calculate_text_gaps()
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caret_position += text.length() - old_text.length()
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var keyboard_input: bool = false
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var gap_offsets = []
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var caret_position: int = 3:
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set(value):
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caret_position = clampi(value, 0, text.length())
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caret.position.x = gap_offsets[caret_position]
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func _ready():
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EventSystem.on_key_down.connect(func(event):
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if EventSystem.is_focused(self) == false:
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return
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text = EventKey.key_to_string(event.key, event.shift_pressed, text.substr(0, caret_position)) + text.substr(caret_position, text.length())
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)
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func _input(event):
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if event is InputEventKey && EventSystem.is_focused(self) && event.pressed:
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if event.keycode == KEY_F1:
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keyboard_input = !keyboard_input
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return
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if keyboard_input:
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text = EventKey.key_to_string(event.keycode, event.shift_pressed, text.substr(0, caret_position)) + text.substr(caret_position, text.length())
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func _process(_delta):
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if get_tree().debug_collisions_hint && OS.get_name() != "Android":
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_draw_debug_text_gaps()
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func _calculate_caret_pos(click_pos_x: float):
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for i in range(1, gap_offsets.size()):
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var left = gap_offsets[i]
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if click_pos_x < left:
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return i - 1
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return gap_offsets.size() - 1
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func _on_focus_in(event):
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gap_offsets = _calculate_text_gaps()
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var pos_x = label.to_local(event.ray.get_collision_point()).x
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caret_position = _calculate_caret_pos(pos_x)
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animation.play("blink")
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func _on_focus_out(_event):
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animation.stop()
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caret.hide()
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func _calculate_text_gaps():
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var font = label.get_font()
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var offsets = [0.0]
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var offset = 0.0
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for i in range(text.length()):
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var character = text[i]
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var size = font.get_string_size(character, HORIZONTAL_ALIGNMENT_CENTER, -1, label.font_size)
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offset += size.x * label.pixel_size
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offsets.append(offset)
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return offsets
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func _draw_debug_text_gaps():
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for offset in gap_offsets:
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DebugDraw3D.draw_line(
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label.to_global(Vector3(offset, -0.01, 0)),
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label.to_global(Vector3(offset, 0.01, 0)),
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Color(1, 0, 0),
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)
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