39 lines
1.3 KiB
GDScript
39 lines
1.3 KiB
GDScript
extends Sprite2D
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@export var export_dir = "res://asset/art/ui/inverted_point_light_masks/"
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@export var frames = 24
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@export var frame_texture_size = Vector2(1000, 600)
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func _ready() -> void:
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if texture and export_dir:
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var image = texture.get_image()
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if image:
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if DirAccess.dir_exists_absolute(export_dir):
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DirAccess.remove_absolute(export_dir)
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DirAccess.make_dir_recursive_absolute(export_dir)
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for i in range(frames):
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var frame_image = Image.create_empty(
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frame_texture_size.x, frame_texture_size.y, false, Image.FORMAT_RGBA8
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)
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frame_image.fill(Color.WHITE)
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# 最后一张图片不需要处理，保持全白
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if i < frames - 1:
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var i_scale = cubic_interpolate(1.0, 0.0, 1.0, 0.0, float(i) / frames)
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var i_len = int(frame_texture_size.y * i_scale)
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image.resize(i_len, i_len, Image.INTERPOLATE_LANCZOS)
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var i_offset = (
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Vector2(frame_texture_size.x - i_len, frame_texture_size.y - i_len) * 0.5
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)
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for y in range(i_len):
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for x in range(i_len):
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var color = image.get_pixel(x, y)
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frame_image.set_pixel(
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x + i_offset.x, y + i_offset.y, Color(1.0, 1.0, 1.0, 1.0 - color.r)
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)
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var export_path = export_dir + str(i).pad_zeros(3) + ".png"
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frame_image.save_png(export_path)
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print("Exported to: " + export_path)
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else:
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print("No image found in texture")
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