generated from krampus/template-godot4
71 lines
1.8 KiB
GDScript
71 lines
1.8 KiB
GDScript
class_name GunkNode extends StaticBody3D
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## A static body which can be destroyed and collected by the player.
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## Emitted immediately after this node has been destroyed by the player,
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## but before it's removed from the scene tree
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signal destroyed
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const JITTER_FADE_RATE := 0.8
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## Time in seconds the player must hit this node with a sustained beam before it's destroyed.
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@export var durability := 1.0
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## Value added to the player's grunk total on destruction.
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@export var value := 1000.0
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## Scale factor applied to the size and volume of the splatter effect on destruction.
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@export var splatter_scale := 1.0
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var _sustained_damage := 0.0
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var _hit_this_frame := false
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## Called each frame this node takes a hit.
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##
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## Derived types should override `_hit()` as a lifecycle method.
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func hit(damage: float = 0.05) -> void:
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_sustained_damage += damage
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_hit_this_frame = true
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_hit()
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## Return this node's current damage as a proportion of it's total durability.
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func pct_damage() -> float:
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return _sustained_damage / durability
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func _hit() -> void:
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pass # Implemented in derived type
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func _process(_delta: float) -> void:
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if not _hit_this_frame:
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_sustained_damage *= JITTER_FADE_RATE
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_hit_this_frame = false
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if _sustained_damage >= durability:
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collect()
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## Destroy this node, with the player collecting the grunk value.
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func collect() -> void:
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Game.manager.collect_grunk(value)
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destroy()
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## Destroy this node. Called automatically when this node sustains damage beyond its durability.
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##
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## Derived types should override `_destroy` as a lifecycle method.
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func destroy() -> void:
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Game.manager.collect_grunk(value)
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var splatter := GrunkSplatter.build(splatter_scale * scale.x)
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add_sibling(splatter)
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splatter.global_position = global_position
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_destroy()
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destroyed.emit()
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queue_free()
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func _destroy() -> void:
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pass # Implemented in derived type
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