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I want to create an outer glow effect for arc shapes in my canvas tag.
This is what it’s supposed to look like:
So far I have the circles in white. I tried using a dropShadow that has an Offset of ‘0’, but this doesn’t look right.
What do you suggest? Maybe shapes underneath that have a gradient from blue to black?
Thanks in advance!
Edit: Finally got it working. Used a for loop to draw circles with different radius and alpha.
Are the circles image files? If so, create image files with glow applied to them within photoshop, GIMP, etc. Save them as .PNG to preserve the transparency of the background.
If they are drawn on the screen with canvas drawing functions, then how about redrawing the circle 25 times, each circle getting one pixel thicker in width?