spriteTwistPP depended on

[Als]

From the top of my head something like this should work:

If your sprites are moving up and down ( on Y and X ) and are "flat" on Z axis:


// you might need some of these:
//$an = unit (particleShape1.velocity);
//userScalar1PP = mag (particleShape1.velocity) * .25;
// But this is the thing:

vector $vel = particleShape1.velocity;
particleShape1.spriteTwistPP = atand($vel.y/$vel.x);



Note:
Keep in mind that sprites always look straight to camera:
if you look straight from x or y axis sprites have to turn away
so direction will look wrong...

Hope this works for you...


Als

[iantreefish]

Thanks so much Als!

Your script worked though you were right about the whole XY view stuff. I guess I'll just have to figure out some other way to make a water jet. I'm trying to make the effect usable in games so being able to move about the jet in 360 degrees is pretty important.

Thanks again though! At least I know now what's necessary and that its doable... somewhat!

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