51 lines
1.4 KiB
GDScript
51 lines
1.4 KiB
GDScript
class_name Fog2D extends AnimatedSprite2D
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const FOG_COLOR_DEFAULT = Color(0.8, 0.8, 0.8, 0.8)
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const FOG_COLOR_WHITE = Color(1, 1, 1, 1)
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const FOG_COLOR_BLACK = Color(0, 0, 0, 1)
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const FOG_COLOR_GRAY = Color(0.5, 0.5, 0.5, 1)
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const FOG_COLOR_DARK_GRAY = Color(0.2, 0.2, 0.2, 1)
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var FOG_FRAME_MIN = 0
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var FOG_FRAME_MAX
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var FOG_FRAME_DEFAULT
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const FOG_OFFSET_DEFAULT = Vector2(0, 50)
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func _ready() -> void:
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FOG_FRAME_MAX = sprite_frames.get_frame_count(animation) - 1
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FOG_FRAME_DEFAULT = FOG_FRAME_MAX
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var _fog_tween: Tween
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func tween_fog(
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end_frame := frame,
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end_modulate := modulate,
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end_offset := offset,
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duration := 0.8,
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close_at_end := false
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) -> void:
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if not is_node_ready():
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return
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if GlobalConfig.DEBUG:
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print(
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"Tween fog to frame: ", end_frame, " modulate: ", end_modulate, " offset: ", end_offset
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)
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if not visible:
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# 如果没有开启 fog，先开启，并且设置为透明
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visible = true
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modulate = Color.TRANSPARENT
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if _fog_tween and _fog_tween.is_valid():
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_fog_tween.kill()
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_fog_tween = create_tween()
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_fog_tween.tween_property(self, "frame", end_frame, duration)
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if end_modulate != modulate:
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_fog_tween.parallel().tween_property(self, "self_modulate", end_modulate, duration)
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if end_offset != offset:
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_fog_tween.parallel().tween_property(self, "offset", end_offset, duration)
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if close_at_end:
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_fog_tween.tween_callback(hide)
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