How does grass work?

[kuchitsu]

http://i.imgur.com/R4JzyLE.png
http://i.imgur.com/3wg7U93.png
What am I doing wrong?

[FinMan]

move the leftmost vertex to the left, so that it's horizontally left of the polygon. drawing: http://imgur.com/a/QUWQe

bad-colored vertical line is how the first grass piece's left border goes.

[kuchitsu]

If I understand correctly...
I did this - http://i.imgur.com/dKWCmTx.png
And now it looks worse I'd say - http://i.imgur.com/8SBFlhL.png
But now I realize that this angle is probably too extreme for grass to work well. Unless there is some workaround for cases like this?

[FinMan]

ye, there's a max angle there, just move the leftmost vertex up and you'll see magic happen. elma starts to create grass from the left side and adds pictures next to the previous things imo, and it can't go steeper than a certain angle really either, that's why it fucks up at too steep of a hill

[Lee]

Yes, what FM said. It starts from the left, and because your angle is so steep it uses the steepest grass picture available and starts drawing that upwards until it meets with the grass line again, at which point it looks normal, but anything before is ugly.

[Lousku]

Also, in steep hills you sometimes need to hev the whole segment of grass closer to the ground, because the grass pieces don't connect to the nearest ground edge, but upwards.

So the left connection thear is obv much bigger and less likely to actually reach the edge.

[kuchitsu]

Thanks for that last pic, I understand it much better now I think.

Btw when you guys say that it starts drawing from the left... Does that mean that in a horizontally symmetrical polygon grass might not looks the same on two sides?

[FinMan]

ye, it depends on how long the tiles are, which differs in different resolutions. Drawing for tiles: http://imgur.com/a/lp41M . drawed vertical redline there also to show difference osv

if you imagine all the boxes are the same size, you'll get how the tiles are placed. the last box to the right, as far as i know, stops being placed when one of the grass pieces goes over the last vertex horizontally, which makes it kinda tricky and grass errors easily happen in the right side, because the last grass piece can go some 10 pixels over the last vertex horizontally.

[Mats]

The mistake is not using internal editor where grass is your friend

[Ramone]

Grass needs water to grow. And good soil.

Elasto Mania polygons are a great surface to grow grass.

[Ramone]

Autograss, you know those storebought rolls of grass you just roll out. They will never look the and feel the same as grass grown from seeds. Handmade grass.

Real grass.

[kuchitsu]

Something I've been wanting to ask for a while... What is THIS?



Like why is a tiny line of grass visible between the tree and the bike? Does zoom/resolution have anything to do with this?

[Ruben]

Something I've been wanting to ask for a while... What is THIS?



Like why is a tiny line of grass visible between the tree and the bike? Does zoom/resolution have anything to do with this?

More importantly, why do you have pictures in front?

[sunl]

My guess is that because of the tree, that pixel is in front of bike, and then due to rounding errors, 1 pixel-high of grass is drawn on the tree - like the line ground bugs

Not sure though

[AndrY]

Something I've been wanting to ask for a while... What is THIS?

Like why is a tiny line of grass visible between the tree and the bike? Does zoom/resolution have anything to do with this?

What is very bad in it? imo, if it isnt this line, it would be seemed strange too.

because of it, i try to not draw foreground pics near corners))

More importantly, why do you have pictures in front?

its more realistically, and it doesn't interfere. As a last resort, u can only change high->low graphics


-------------------------
(oh, didn't see 2nd line of kuchitsu post, so bit out of topic )

[kuchitsu]

Yeah, I guess looks kinda weird in any case.

More importantly, why do you have pictures in front?

Because that's more romantic!

[pawq]

More importantly, why do you have pictures in front?

it doesn't interfere

say what o,o

[AndrY]

I mean, foreground pictures aren't looks bad (imo good).

and if there are not very much of them, they haven't big influence to playing. bike is visible anyway

[kuchitsu]

They interfere a little bit (sometimes mo re if the author puts a lot of barrels or something in an important place), but they also add a lot of visual variety to the level, give it a bit of a 3D look, and also make the player feel like he is interacting with the objects. Imo it's a very useful tool for designers that care about visuals.