[Closed] Dynamically changing spline text value

put a script controller at text’s scale track, like this:

$Text01.text = $Sphere01.pos.x as string
[1, 1, 1]

I’d assign the text as a node though. e.g

test = $test
sphere = $sphere01
test.text = (sphere.pos.controller.value as string)

Look up “How do I change the text in a Text Shape dynamically?” in the MAXScript Reference. From that page:

Normally, the text of a Text shape is not animatable. The resulting mesh will be evaluated once at the beginning of the rendering and will not change as it is considered static (not changing over time). A workaround is to assign a script controller to a property of the text shape which will do two things: tell the renderer that the text shape is animated and thus requires reevaluation on each frame, and set the actual text in the text property.
-Eric[color=white][/color]

I added this code on the Script Controller in my Text Spline but I keep getting a:

Type error: dependsOn needs a MaxWrapper arg, got: OK

 
 dependsOn $Text02 $Sphere02{
 
 	 testText = ($Sphere02.position.x) as string
 	 setAppData $Text02 1 testText
 }

ok so I have the text value changing as I want it to [i know because when I move the slider, the text changes] but as soon as I render, 3dsmax crashes right after the first frame. Is there some reason why it does this?

t = $Text02
 t.baseobject.renderable = true
 t.kerning.controller = float_script()
 scrpt = "dependsOn $Sphere02.position.x
 t.text = ($Sphere02.position.x) as string 
0"
 
 t.kerning.controller.script=scrpt

I have this now. But it gives me an Unknown property “kerning” in 0.0 error.

You cannot use the variable t inside the scripted controller. It is defined as global variable only when you first run the script but would be undefined if you restart Max and load the scene again. On top of that, “T” is a reserved local variable inside every Scripted controller and has the current TIME value stored in it. You have to use the name of the text object inside the script, as shown in the Reference, for example

  t = $Text02
    t.baseobject.renderable = true
    t.kerning.controller = float_script()
    scrpt = "dependsOn $Sphere02.position.controller;
  $Text02.text = ($Sphere02.position.x) as string 
0"
     t.kerning.controller.script=scrpt

According to your error message, somewhere along the road the variable t became equal to 0.0 and then did not have a .kerning property. But you did not tell us WHEN do you get the error – when you run the script or when you update the animation to see the scripted controller…

The dependsOn cannot be set to .position.x because that is a VALUE. You need a controller or node to be dependent on.

I just run the above code having a Text02 and a Sphere02 in the scene and the text was updating when the sphere was moving… It renders ok, too.

didn’t test rendering with script at scale track, but yes, crashes immediately. Moving script to kerning fixed it

Thanks for the info, and just to append, I had a script going that was crashing on render because I was changing extruded text values, and you don’t even have to move the whole script to kerning. If you just assign a controller to the kerning MAX will recognize the need to update the geometry and not crash. Thats my experience anyway, it renders fine now and all I did was add this line:

 $.kerning.controller = float_script()
 

to each dynamically updated text object.