30 lines
954 B
GDScript
30 lines
954 B
GDScript
extends Sprite2D
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@export var export_path := ""
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@export var height := 300
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@export var l_ease_in_x := 500.0
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@export var mid := 1000.0
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@export var r_ease_out_x := 500.0
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func _ready() -> void:
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if export_path:
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var width := (l_ease_in_x + mid + r_ease_out_x) as int
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var image = Image.create_empty(width, height, false, Image.FORMAT_RGBA8)
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# convert to transparent BG point light image
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for y in range(height):
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for x in range(width):
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var color = Color(1.0, 1.0, 1.0, 1.0)
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if x < l_ease_in_x:
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# color.a = smoothstep(0.0, 1.0, x / l_ease_in_x)
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color.a = x / l_ease_in_x
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elif x > l_ease_in_x + mid:
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# color.a = smoothstep(1.0, 0.0, (x - l_ease_in_x - mid) / r_ease_out_x)
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color.a = 1.0 - (x - l_ease_in_x - mid) / r_ease_out_x
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image.set_pixel(x, y, color)
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image.save_png(export_path)
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texture = ImageTexture.create_from_image(image)
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print("Exported to: " + export_path)
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else:
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print("No export path found")
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