C3 conversion of CHRISROBS C2 Dropshadow effect with color shadow. Added X skew. X skew can slightly skew shadow to simulate a little difference in light direction, this may require extending transparent borders around the sprite image.
For more details on the original effect, see the forum post
Also see:
construct.net/en/forum/construct-3/plugin-sdk-10/dropshadow-effect-ported-c3-142753