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46 lines
857 B
GDScript
46 lines
857 B
GDScript
extends Move
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class_name MovePhysics
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signal dragged(cursor: Cursor)
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signal dropped
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signal fallen
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@export var acceleration = 1250.0
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@export var drag_damp = 0.4
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@export var drop_damp = 0.05
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@export var drop_epsilon = 16.0
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var cursor: Cursor = null
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var falling: bool = false
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var velocity := Vector2.ZERO
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func drag(value: Cursor) -> void:
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cursor = value
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dragged.emit(value)
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func drop() -> void:
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cursor = null
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falling = true
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dropped.emit()
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func fall() -> void:
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velocity = Vector2.ZERO
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falling = false
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fallen.emit()
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func _physics_process(delta: float) -> void:
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if enabled:
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if cursor:
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var gap = cursor.global_position - global_position
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velocity += gap * delta * acceleration
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velocity *= 1.0 - drag_damp
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else:
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velocity *= 1.0 - drop_damp
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if falling and velocity.length() < drop_epsilon:
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fall()
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move.emit(velocity * delta)
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