71 lines
2.8 KiB
GDScript
71 lines
2.8 KiB
GDScript
extends Node3D
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@export var scene_name : String
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@export_multiline var scene_description : String
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@export var switch_to : PackedScene
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var to_earth
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var toggle_popup : bool = false
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func _ready() -> void:
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get_node("Popup").visible = toggle_popup
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var cam = get_viewport().get_camera_3d()
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to_earth = (get_parent().global_position - global_position).normalized()
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look_at(cam.global_position, Vector3.UP)
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$Popup/SubViewport/LevelPopup/Name.text = scene_name
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$Popup/SubViewport/LevelPopup/Description.text = scene_description
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var child = $Popup/SubViewport/LevelPopup
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child.enter_level.connect(_on_play_button_pressed)
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func _process(delta):
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var cam = get_viewport().get_camera_3d()
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var to_camera = (cam.global_position - global_position).normalized()
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var cos_similarity = to_camera.dot(to_earth)
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#print(cos_similarity)
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if abs(cos_similarity) < 0.75:
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# Construct desired basis (local -Z facing camera)
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var z_axis = -to_camera
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var up_axis = Vector3.UP
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var x_axis = up_axis.cross(z_axis).normalized()
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var y_axis = z_axis.cross(x_axis).normalized()
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var desired_basis = Basis(x_axis, y_axis, z_axis)
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# Extract current rotation (normalized) and scale
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var current_basis = global_transform.basis
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var current_scale = current_basis.get_scale()
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var current_q = Quaternion(current_basis.orthonormalized())
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var target_q = Quaternion(desired_basis.orthonormalized())
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# Interpolate smoothly
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var speed = 10.0
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var new_q = current_q.slerp(target_q, speed * delta)
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# Rebuild basis: pure rotation, then reapply scale
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var new_basis = Basis(new_q)
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new_basis = new_basis.scaled(current_scale)
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global_transform.basis = new_basis
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else:
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# Build basis: local -Z faces the camera, Y stays up
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to_camera.y = 0
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var z_axis = -to_camera
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var y_axis = Vector3.UP
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var x_axis = y_axis.cross(z_axis).normalized()
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y_axis = z_axis.cross(x_axis).normalized()
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var desired_basis = Basis(x_axis, y_axis, z_axis)
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# Extract current rotation (normalized) and scale
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var current_basis = global_transform.basis
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var current_scale = current_basis.get_scale()
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var current_q = Quaternion(current_basis.orthonormalized())
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var target_q = Quaternion(desired_basis.orthonormalized())
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# Interpolate smoothly
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var speed = 20.0
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var new_q = current_q.slerp(target_q, speed * delta)
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# Rebuild basis: pure rotation, then reapply scale
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var new_basis = Basis(new_q)
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new_basis = new_basis.scaled(current_scale)
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global_transform.basis = new_basis
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func _on_area_3d_input_event(camera: Node, event: InputEvent, event_position: Vector3, normal: Vector3, shape_idx: int) -> void:
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if event is InputEventMouseButton and event.is_released() and event.button_index == MOUSE_BUTTON_LEFT:
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toggle_popup = !toggle_popup
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get_node("Popup").visible = toggle_popup
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func _on_play_button_pressed() -> void:
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get_tree().change_scene_to_packed(switch_to)
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