Apply the Gradation Glow effect.
GradientGlowFilter
The GradientGlowFilter class can be used to apply a gradient glow effect to displayed objects. A gradient glow is a realistic glow with a controllable color gradient. Gradient glow can be applied around the inner or outer edges of an object, or on top of an object.
distance
Specifies the offset distance of the shadow in pixels
angle
Shadow angle
colors
Array of color values to use in gradients
alphas
The alpha transparency value corresponding to each color in the color array
ratios
Array of color distribution ratios for the corresponding colors in the color array
blurX
The amount of horizontal blur
blurY
The amount of vertical blur
strength
Filter effect
quality
Specifies whether the object has a knockout effect
type
knockout