Once I've found a tutorial (I guess, it was made by a guy at the Unlimited Realities) showing ho to make and use alpha maps. The UR site is no longer the one I knew (at least this is how I observed), so I can't find a good tutorial for this...[:(!]Here is what I'd like obtain:There is a 2D environment (hybrid engine needed)Let's say, I have a FIRE sprite. I want the fire have various alpha values. I mean, at the top it should be more transparent than the bottom. For this I'll make a greyscale picture (black and white) to tell the engine where the sprite should me more and less transparent.How can I do this?">

Alpha map
Vampire	Once I've found a tutorial (I guess, it was made by a guy at the Unlimited Realities) showing ho to make and use alpha maps. The UR site is no longer the one I knew (at least this is how I observed), so I can't find a good tutorial for this...[:(!] Here is what I'd like obtain: There is a 2D environment (hybrid engine needed) Let's say, I have a FIRE sprite. I want the fire have various alpha values. I mean, at the top it should be more transparent than the bottom. For this I'll make a greyscale picture (black and white) to tell the engine where the sprite should me more and less transparent. How can I do this?
Eric Coleman	I would suggest using Adobe Photoshop or Paint Shop Pro for generating grayscale images. Here is a program that I wrote that can generate a grayscale of an image and then save it to a file. Download Attachment: [url="http://www.vbgamer.com/msgboard/uploaded/Eric Coleman/2004730111123_alphamapgen.zip"][img]icon_paperclip.gif[/img]alphamapgen.zip[/url] 3.17 KB This might give you a few ideas on how to create your own alpha maps.