Question

I m making a game where the game s size varies, so I want to make my own shadows. The api i m using can fill rectangles, make ellipses, horizontal lines etc. And supports rgba. Given this, how could I make a drop shadow? I tried making a black to white gradient and setting the alpha to 20%, but it didnt look very good... I m not sure how they are done. Thanks

Answer 1

I would suggest:

copy the object,
move it in the opposite direction of the light source and use its distance as a weight,
turn it totally black,
blur it using the light source s distance as a weight, too,
put it behind the object,
lower the alpha if you want.
?????
profit.

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