Heavy simple script

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  05 May 2014
Post Heavy simple script

Hi every body ... I'm new to rigging, having some issues & hoping if some one could help

I'm working on a project where I wanted to limit the position of a group of controllers with the position of another movable controllers so I used this script in a float script

Range = #(r1,r2,r3,r4,r5,r6,r7,r8)
ctrl = #(ctrl1,ctrl2,ctrl3,ctrl4,ctrl5,ctrl6,ctrl7,ctrl8)
for n=1 to 8 do
ctrl[n].pos.controller.zero_pos_xyz.controller.x_position .controller.upperlimit = (mult*range[n])+(xupper.position[1]-ctrl[n].parent.position[1])-1
ctrl[n].pos.controller.zero_pos_xyz.controller.x_position .controller.lowerlimit = (xlower.position[1]-ctrl[n].parent.position[1])-(mult*range[n])+0.5
ctrl[n].pos.controller.zero_pos_xyz.controller.y_position .controller.lowerlimit = (ylower.position[3]-ctrl[n].parent.position[3])-(mult*range[n])+2
centr.pos.controller.zero_pos_xyz.controller.x_pos ition.controller.upperlimit = (mult*r9)+(xupper.position[1]-centr.parent.position[1])-1+7
centr.pos.controller.zero_pos_xyz.controller.x_pos ition.controller.lowerlimit = (xlower.position[1]-centr.parent.position[1])-(mult*r9)+0.5+12.5
centr.pos.controller.zero_pos_xyz.controller.y_pos ition.controller.lowerlimit = (ylower.position[3]-centr.parent.position[3])-(mult*r9)+2+3

The ISSUE here is this made my scene heavy .... I think that this is because the script is evaluated so many times in each second & now I'm trying to use a timer but i can't get the hang of it ....
This simple timer ..

fn x =
timer clock interval:1000
on clock tick do print "m"

throws me this error ...

-- Error occurred in anonymous codeblock; filename: ; position: 72; line: 5
-- Syntax error: at ), expected while
-- In line: )

Thanks in advance
  05 May 2014
You definitely don't want all that code being evaluated every cycle!

Why not just use wire parameters or instanced controllers to drive your limits?

For example, lets say you want the x position of $obj1 to be the limit for the x position of $obj2:
$obj2.pos.controller.x_position.controller.upperli  mit.controller = $obj1.pos.controller.x_position.controller

Good luck
  05 May 2014
Thanks for the quick reply...
Unfortunately this won't work for me because obj1 and obj2 have different parents & local positions ..... and i need to compare the position by the world position.

I could speed up my file dramatically by using float script on each limit separately.

I was trying to use the timer to make the code run every x (ex: 500) cycle instead of every cycle but unfortunately I couldn't get it to work right
  05 May 2014
There are a few different ways to work around the world position issue...

Sticking with the previous example, to limit the local x pos of obj2 to the world x pos of obj1 you could create an expose transform helper and set it to reference obj1

paramwire.connect $ExposeTransform001.baseObject[#Expose][#World_Position_X] $obj2.pos.controller.X_Position.controller[#Limits][#Upper_Limit] "World_Position_X"

Or, if you want to limit the xpos of obj2 to obj1's x pos in relation to obj2's parent, create an expose transform helper and set it to reference obj1. Then set the local reference node to obj2's parent.

paramwire.connect  $ExposeTransform001.baseObject[#Expose][#Local_Position_X]  $obj2.pos.controller.X_Position.controller[#Limits][#Upper_Limit]  "Local_Position_X"

Hope that's more useful...
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