scorpion21211-cmd
48 lines
1.5 KiB
GDScript
48 lines
1.5 KiB
GDScript
extends Node3D
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## Keep the sun disc inside the cockpit far plane. Aim SunLight.
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## Never leave the disc sitting on the Moon.
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@export var sun_disc_path: NodePath = ^"SunDisc"
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@export var sun_light_path: NodePath = ^"../SunLight"
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@export var sun_direction: Vector3 = Vector3(-0.82, 0.45, 0.35)
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@export var visual_distance: float = 220000.0
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@export var visual_radius: float = 9000.0
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var _mesh: MeshInstance3D
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var _light: DirectionalLight3D
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var _base_radius: float = 0.5
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func _ready() -> void:
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_mesh = get_node_or_null(sun_disc_path) as MeshInstance3D
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if _mesh == null:
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_mesh = find_child("SunDisc", true, false) as MeshInstance3D
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if _mesh and _mesh.mesh is SphereMesh:
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_base_radius = maxf((_mesh.mesh as SphereMesh).radius, 0.5)
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_light = get_node_or_null(sun_light_path) as DirectionalLight3D
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if _light == null:
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_light = get_node_or_null("../SunLight") as DirectionalLight3D
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sun_direction = sun_direction.normalized()
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_aim_light()
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set_process(true)
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func _aim_light() -> void:
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if _light == null:
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return
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var target: Vector3 = _light.global_position - sun_direction
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if target.is_equal_approx(_light.global_position):
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return
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_light.look_at(target, Vector3.UP)
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func _process(_delta: float) -> void:
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if _mesh == null:
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return
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var viewer: Node3D = FloatingOrigin.focus
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var origin: Vector3 = viewer.global_position if viewer and is_instance_valid(viewer) else global_position
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_mesh.global_position = origin + sun_direction * visual_distance
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_mesh.scale = Vector3.ONE * (visual_radius / _base_radius)
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_mesh.visible = true
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_aim_light()
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