Damn, that's annoying... What about the Sprite node ? SecondReality did something https://vimeo.com/34463159 But on a grid (my object is 3D with a lot of particles and overlaps)
Le 01/10/2013 12:05, [email protected] a écrit : > you're not missing something, this is totally normal. > at any given position (location) you have a single UV coordinate (one u and > one v value) - so that will result in a single color for the whole of the > particle. > > in order to get the corresponding crop from the texture, you would need 4 uv > coordinates for the four corners of a grid assuming your particle is a > rectangle - but a particle is a single point so that’s just not going to > work. (yes - you could save 4 attributes but you can't interpolate between > them in the rendertree) > I guess *in theory* it could be done, by calculating proper values to drive > the UV remap in a texture node, for each particle based on it's position in > the UV set and size - and saving those in a number of attributes - - but > this is far from trivial. And you couldn’t account for seams in the map. > > > -----Original Message----- > From: olivier jeannel > Sent: Tuesday, October 01, 2013 11:18 AM > To: [email protected] > Subject: Re: Particle "taking uvs" from it's emitter > > Sorry Grahame, but it's not working. I mean it just gives a a color to > the particle, but not the piece of texture Uvs corresponding to its Emit > Location. > Here's a screengrab, I probably miss something : > > Le 30/09/2013 21:11, Grahame Fuller a écrit : >> Plug Self.EmitLocation into the source port of a Get Data, then get >> cls.Texture_Coordinates_AUTO.Texture_Projection.UVs. >> >> gray > > > > > > > -------------------------- > To unsubscribe: mail [email protected] with subject > "unsubscribe" and reply to the confirmation email. > > -------------------------- > To unsubscribe: mail [email protected] with subject > "unsubscribe" and reply to the confirmation email. -------------------------- To unsubscribe: mail [email protected] with subject "unsubscribe" and reply to the confirmation email.
