R0J0hound's Forum Posts

  • Tinkering around with this all you need is a object with the drag and drop behavior, objects pinned to that and a layer to do the masking. The extent of the math needed is a clamp() to limit the range of scrolling. Unless of course you want a widget on the right that indicates the scroll position, then you'll need a bit more math.

    https://dl.dropboxusercontent.com/u/5426011/examples20/scrollbox.capx

    enjoy.

  • Actually after re-reading the previous posts I realize that my post is redundant because LittleStain said the same thing before me. My apologies.

  • You're adding floor(0.1) or 0 to the variable so it won't ever change.

    Just add 0.1 to your variable and set the text to floor(variable1) to do what you want.

  • Well there shouldn't be a limit. Actually I think this may be bug that comes up from time to time where objects in the editor have conflicts with their id's. I made a utility to fix caps with that issue. Here's the download:

    https://dl.dropboxusercontent.com/u/5426011/utility/addobjfix.zip

    To use it extract it and put your cap file in the same folder.

    Then open "addobjfix.cap" and edit the script so instead of this:

    #------------------------
#------------------------
# change to your filename.
filename='wewe1.cap'
#------------------------
#------------------------

    wewe1.cap is replaced by the name of your cap.

    Finally run the project and a fixed copy of your cap will be made.

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  • I like to take a visual approach. Given that you're putting the values in a 2d grid, I imagine you may eventually create sprites to visualize it. So why not create the sprites with 36 animation frames for each value and have a animation speed of 0. You can either create the grid of sprites in the editor or use events to make it. The events would like the following.

    Start of layout:

    --- destroy sprite

    Start of layout:

    for "x" from 0 to 5:

    for "y" from 0 to 5:

    --- create sprite at (loopindex("x")*32+200, loopindex("y")*32+200)

    Start of layout:

    for each sprite ordered by random(1) ascending:

    ---- set animation frame to loopindex

  • It's in r153 beta which was just released.

  • Apply an additional force to move the object to a 45 degree direction:

    ex:

    Apply force -10*(spring_angle-45) at angle spring_angle+90

    10 is the strength and 45 is the target angle in the range of (-180,180).

    I suppose it could use a damping force as well...

  • You have to use the newline expression when setting text with events. It's the same throughout C2.

    ex.

    "first line" & newline & "second line."

  • Haha indeed...

    Anyway I wish you luck. A program with more stock gui manipulation may be helpful for your case. If you don't mind diving into coding I hear c# has nice gui capabilities and good gui designer to boot. C2 could likely do the kinds of programs you had in mind but as you may have noticed you'd have to make most of the gui stuff from scratch. Which isn't too bad since it gives you finer control of what it does.

  • There is no json plugin. One option is making your data match the format os some plugin's .toJSON expression then loading that back into the plugin. You can also use the "execute javascript" action and expressions of the browser object.

    Here's a starting point:

    https://dl.dropboxusercontent.com/u/5426011/examples20/json_parse.capx

    It's then your responsibility to make sure you have inputted everything correctly otherwise you will get errors.

    Refer to this tutorial for more info:

    http://www.w3schools.com/json/json_eval.asp

  • K, I think the answer is yes as I don't get any errors.

    yep.

    o I use Ajax for this, or should I create functions in code to do these?

    Whichever you can use to get it to work. I'm not too familiar with ajax calls but it may be simpler to use the plugin if there are edge cases it handles. But again I have a knowledge gap about that that you can probably find alot of resources about with google.

  • You need to uses double double quotes quotes to put a single double quote in a string.

    It's the equivalent of using \" in other languages.

  • Load it into the array object using the "load" action and then you can access them with the array expressions.

    ex.

    First item:

    Array.At(0)

    2nd:

    Array.At(1)

  • The simple formula for a spring force is F=kx, where k is the strength of the spring and x is the difference of length from a rest length.

    Here is a capx of it in action.

    https://dl.dropboxusercontent.com/u/5426011/examples20/spring_physics.capx

    I also added damping which uses the formula F=-cv, where c is the damping strength and v is the object's velocity along the length of the spring. In the capx the formula looks a bit much because of a vector projection but it works.

  • https://www.dropbox.com/s/cx2qnwz7hhwuk ... .capx?dl=1

    /examples20/rope_loop.capx

    An extension of my previous physics rope example. It now supports multiple ropes and rope loops. Also they are created around sprites placed in the editor for easier setup. A tip for anyone adding joints to newly created objects: you need to wait a tick so box2d updates the object's position and rotation.