rdg Posted April 17, 2008 Share Posted April 17, 2008 Hi, I'd like to have a shaped additive sprite shader: the shape of the shader is defined by a b/w image. the sprite is transparent the sprite color is not premultiplied (?) to give that "additive blend" I am not sure, but it looks like I need to multiply the color with the image to shape the sprite. But this is a premultiplication - and the addtive thing is gone ... is it even possible? Georg Quote Link to comment Share on other sites More sharing options...
rdg Posted April 17, 2008 Author Share Posted April 17, 2008 (edited) hm. still unsure. But I noticed that a offset in the value of stencil mask and opacity results in something like the additve blend. sprites.tar.gz <- something wrong with this setup. need to fix it. Edited April 17, 2008 by rdg Quote Link to comment Share on other sites More sharing options...
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