conditionalSolid.capx

Will you be able to guess the trick?

did something like that on cc some month ago

waterSim.exe

Basically it's an algorithm called "cellular automata".

It's Array based:

Foreach cell that have water, check the surrounding bottom cell and transfer water if empty.

My example handle communicating vessels (which makes it a bit more complicated, you don't transfert water anymore but mass, and you put exces on top), terraria doesn't.

But anyway it's pretty heavy in a large scale, event in cc.Yann2012-02-07 16:17:12

7Soul yeah you're right, that's exactly what I did

haha some people got stoned to death with that kind of idea :D

you wanna do something like that?

cladogram.capx

1/ why do you have to delete frames? explain a bit more about your game and we might find out that it's not required (some control stuff can be done by events)

2/ Instances always have the same animations with the same frames. If you want to differenciate frames you have either to create other animation inside the sprite, or clone the sprite and change the animation.

But as I said, you might want to consider sharing a bit more about your game to have the best answer.

Argh! those damn frenchies!

There's some inventory topic form not long ago

http://www.scirra.com/forum/need-help-with-something_topic47602_page3.html

smitchell

be carefull:

0 = right

1 = down

2 = left

3 = up

The angle of the arrow sprite = a*90 that's why

if you use 4 the arrow sprite will be properly displayed (4*90 = 360), but the 'a' instance variable is also used to compare the input.

What I wrote was just a kind of add-on, you still had to keep most of what was in the base capx. But you blindly remove too much stuff. Like setting the order instance variable, the start of layout destruction and x0,y0 setting and of course it was only the loop at start of layout, you have to copy the same one when you end a line (you can also use function to avoid copying this loop code)

Anyway

smitchArrow.capx

smitchell

yeah int(tokenat()) I sometimes forget too

Ah yeah 'cs' is an old habit of mine it means "cell Size" I always use that in grid based stuff. If I remember I used arrow.width instead.

Reading the guts of the Sprite plugin, It's possible.

Maybe it's a Ash forgot to check that, but if you put a negative number into the speed property values you'll have a buggy animation.

However if you set the animation speed by event to a negative value, the animation will be read backward.

Unfortunately the loop value won't be taken into account and you'll have to 'manually' set the starting frame. In event and/or in properties.

In short,

+System: On start of layout
  -> Sprite: set animation to self.AnimationFrameCount-1
  -> Sprite: set animation speed to -5
+Sprite: Animation Frame = 0
  -> Sprite: set animation to self.AnimationFrameCount-1

Weeell yeah you can

1/ set some specific patterns in a string like

Global test patList = ""
Global number index=0
Global number line=0
+System: start of layout
  Local variable curLine=""
  -> System: set patList to "01321320
03213210
02313210
23132120
02030102"
  -> System: set curLine to tokenat(patList,line,newline)
  +System: for "" from 0 to tokencount(curLine,"")-1
    -> System: create arrow at x0+loopindex*cs,y0
    -> arrow: set a to tokenat(curLine,loopindex,"")

Global number seed=123456
Global number srand=0
Global number a = 22695477  // just a constant
Global number c = 1  // just a constant
Global number m = 4294967296  // just a constant
+System: On start of layout
  -> Set srand to seed
// Each time you want to do a random(3) you do things like that:
+System: for "" from 0 to aCount
  -> System: create arrow at x0+loopindex*cs,y0
  -> System: Set srand to (srand*a+c)%m
  -> arrow: set a to floor((srand/m)*3)