130 lines
3.4 KiB
GDScript
130 lines
3.4 KiB
GDScript
@tool
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extends Container3D
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class_name Slider3D
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@export var min: float = 0.0:
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set(new_value):
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min = new_value
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if value < min: value = min
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if !is_inside_tree(): return
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_update_slider()
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@export var max: float = 1.0:
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set(new_value):
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max = new_value
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if value > max: value = max
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if !is_inside_tree(): return
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_update_slider()
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@export var value: float = 0.2:
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set(new_value):
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value = roundi(clamp(new_value, min, max) / step) * step
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if !is_inside_tree(): return
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label.text = str(value) + " " + label_unit
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if new_value != value: on_value_changed.emit(value)
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_update_slider()
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@export var step: float = 0.01
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@export var show_label: bool = false:
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set(value):
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show_label = value
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if !is_inside_tree(): return
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label.visible = show_label
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@export var label_unit: String = "":
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set(new_value):
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label_unit = new_value
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if !is_inside_tree(): return
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label.text = str(value) + " " + label_unit
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@onready var label: Label3D = $Label
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@onready var mesh: MeshInstance3D = $Body/MeshInstance3D
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@onready var body_collision_shape: CollisionShape3D = $Body/CollisionShape3D
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@onready var area_collision_shape: CollisionShape3D = $Area3D/CollisionShape3D
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@onready var slider_knob: MeshInstance3D = $Knob
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signal on_value_changed(value: float)
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var move_plane: Plane
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func _ready():
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Update.props(self, ["value", "show_label", "label_unit"])
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_update_slider()
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_update()
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move_plane = Plane(Vector3.BACK, Vector3(0, 0, size.z))
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func _on_press_down(event: EventPointer):
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_handle_press(event)
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func _on_press_move(event: EventPointer):
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_handle_press(event)
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func _on_touch_enter(event: EventTouch):
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_handle_touch(event)
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func _get_slider_min_max():
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return Vector2( - size.x / 2 + 0.01, size.x / 2 - 0.01)
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func _handle_press(event: EventPointer):
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var ray_pos = event.ray.global_position
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var ray_dir = -event.ray.global_transform.basis.z
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var local_pos = to_local(ray_pos)
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var local_dir = global_transform.basis.inverse() * ray_dir
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var click_pos = move_plane.intersects_ray(local_pos, local_dir)
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if click_pos == null:
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return
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var min_max = _get_slider_min_max()
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var pos_x = clamp(click_pos.x, min_max.x, min_max.y)
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var click_percent = inverse_lerp(min_max.x, min_max.y, pos_x)
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value = lerp(min, max, click_percent)
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func _handle_touch(event: EventTouch):
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var click_pos = to_local(event.fingers[0].area.global_position)
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var min_max = _get_slider_min_max()
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var pos_x = clamp(click_pos.x, min_max.x, min_max.y)
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var click_percent = inverse_lerp(min_max.x, min_max.y, pos_x)
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value = lerp(min, max, click_percent)
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func _update_slider():
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var min_max = _get_slider_min_max()
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var click_percent = inverse_lerp(min, max, value)
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slider_knob.position.x = lerp(min_max.x, min_max.y, click_percent)
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func _update():
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_update_slider()
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body_collision_shape.shape.size = size
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body_collision_shape.position = Vector3(0, 0, size.z / 2)
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area_collision_shape.shape.size = Vector3(size.x, size.y, 0.01)
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area_collision_shape.position = Vector3(0, 0, size.z + 0.005)
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mesh.position = Vector3(0, 0, size.z)
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mesh.mesh.size = Vector2(size.x, size.y)
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mesh.material_override.set_shader_parameter("size", Vector2(size.x, size.y) * 10.0)
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slider_knob.position.z = size.z + 0.002
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slider_knob.mesh.size = Vector2(size.y * 0.75, size.y * 0.75)
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slider_knob.material_override.set_shader_parameter("size", Vector2(size.y * 7.5, size.y * 7.5))
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label.position = Vector3(size.x / 2 + 0.005, 0, size.z) |