35 lines
1.1 KiB
GDScript3
35 lines
1.1 KiB
GDScript3
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@tool
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extends Node3D
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@export var lod_switch := 10.0
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@export var impostor_fade_in_start := 5.0
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@export var impostor_fade_in_end := 10.0
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@export var grass_fade_out_start := 10.0
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@export var grass_fade_out_end := 20.0
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func _process(delta: float) -> void:
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var camera_pos
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if Engine.is_editor_hint():
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camera_pos = EditorInterface.get_editor_viewport_3d().get_camera_3d().global_position
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else:
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camera_pos = get_viewport().get_camera_3d().global_position
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var camera_distance = global_position.distance_to(camera_pos)
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if camera_distance < lod_switch:
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$Grass.multimesh = preload("res://grass_multimesh_detailed.tres")
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else:
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$Grass.multimesh = preload("res://grass_multimesh_simple.tres")
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var start_to_mid = smoothstep(impostor_fade_in_start, impostor_fade_in_end, camera_distance)
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var mid_to_end = smoothstep(grass_fade_out_start, grass_fade_out_end, camera_distance)
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$Grass.visible = mid_to_end < 1.0
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$Impostor.visible = start_to_mid >= 0.0
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# Interpolate
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$Impostor.set_instance_shader_parameter("alpha", start_to_mid)
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$Grass.set_instance_shader_parameter("alpha", 1.0 - mid_to_end)
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