mirror of
https://github.com/danbulant/ambientlightdemo
synced 2026-06-21 23:51:48 +00:00
39 lines
No EOL
1.3 KiB
GDScript
39 lines
No EOL
1.3 KiB
GDScript
extends Marker3D
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class_name Lights
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@export var light_count: int = 1
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@export var light_radius: float = 5.0
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@export var light_template: PackedScene
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@export var pattern_repetition: int = 5
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@export var light_color: Color = Color.WHITE
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@export var light_intensity: float = 1.0
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@export var expected_rotation_delta: float = 0.
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func _ready() -> void:
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for i in light_count:
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var angle = (TAU / light_count) * i
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var x = light_radius * cos(angle)
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var z = light_radius * sin(angle)
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var light_instance = light_template.instantiate()
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light_instance.position = Vector3(x, 0, z)
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add_child(light_instance)
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const BASE_DELTA: float = 16
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var virtual_rotation: float = 0.0
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const FULL_DARK_ROTATION_DELTA := .1
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func _process(delta: float) -> void:
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var frames_elapsed = delta / BASE_DELTA
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virtual_rotation += expected_rotation_delta
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var max_darkness = expected_rotation_delta / FULL_DARK_ROTATION_DELTA
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var i := 0
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for light in get_children():
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if light is SpotLight3D:
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var pattern_offset := ((i + int(virtual_rotation * pattern_repetition)) % pattern_repetition) / float(pattern_repetition)
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light.light_color = light_color
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light.light_energy = 1 - (1 - pattern_offset) * max_darkness
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i += 1
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expected_rotation_delta = lerp(expected_rotation_delta, 0.0, frames_elapsed * 5) |