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shafts of light

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Hi. I want to make "shafts of light", streaming from the sky in my rts. What is a nice-looking and simple technique for doing this ? Is it a good idea to just do a textured quad from the sky and down to the ground, and let it go from opaque to translucent, and normalize it to the camera ? Or anyone has a better idea ?

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It would be a better idea to use additive blending for shafts of light. Other than that, you can use either billboard quads, or plain old light cylinders (as in Warcraft 3, for instance).

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Ahh it was the warcraft-3 effect I was thinking of. Never heard of "plain old light cylinders" though ;)
I guess it's just what it soundls like... a cylinder made up from textured quads ?

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Just a transparent cylinder mesh with a 1D ramp texture applied. Ramp as in black to gray to white color from 0 to 255, or whatever color you choose, say blue my favorite. :)

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