topic PainterInterface: What is a hit? in 3ds Max Programming Forum

PainterInterface: What is a hit?

Anonymous — Fri, 22 Feb 2008 06:17:21 GMT

I'm playing with the painter interface, and I have a fundamental question that I can't seem to find the answer to. What is a Hit?

I have adapted some of the example code to my own script, and it'll properly place geometry at my cursor point as I make a stroke. But it seems to randomly place geometry down depending on the speed of the mouse move. I assume it places a piece of geometry down at each hit, but how does it decide that a hit has occured? It doesn't seem to be time based, or vertex based or distance based. If I want it to hit more frequently or less frequently, how could I do that? Is there a way to modify a hit? The hit always seems to occur in the center of the brush circle. Could I request that a hit occurs at a random spot inside the brush circle? Any info is appreciated.

- Neil

Re: PainterInterface: What is a hit?

chris.p.johnson — Wed, 27 Feb 2008 05:28:07 GMT

I'm just guessing here now, but it looks like it's based on a timer. For when I paint on a surface, the faster I make a stroke, the more spread out the objects are along that stroke.
I highly suggest that you check out the advanced painter 1.51 script as found on scriptspot.com
http://www.scriptspot.com/3ds-max/advanced-painter

Chris Johnson

Re: PainterInterface: What is a hit?

Anonymous — Wed, 27 Feb 2008 06:12:40 GMT

I'm just guessing here now, but it looks like it's based on a timer. For when I paint on a surface, the faster I make a stroke, the more spread out the objects are along that stroke.

I don't think it's a timer, because if I stop moving the mouse, no objects are created. And it's not based off length of stroke, since it changes depending on how fast I move the mouse. Could it be based on mouse velocity somehow?

I highly suggest that you check out the advanced painter 1.51 script as found on scriptspot.comhttp://www.scriptspot.com/3ds-max/advanced-painter

Yes, I've used that script for years, and it has the same weirdness and limitations I'm running into, so I don't think it has any perspective or code that can help.

- Neil

Re: PainterInterface: What is a hit?

chris.p.johnson — Wed, 27 Feb 2008 06:21:07 GMT

Ok, well I'll have to dig around in the code and find out.
FYI
There is a bunch of code that Edit Poly and the Painter Interfact share that is in the public SDK. It can be found in \samples\mesh\PolyPaint\...

Chris J.