# I need help ASAP! **URL:** https://forum.highend3d.com/t/i-need-help-asap/356 **Category:** Maya **Tags:** mel **Created:** [January 31, 2013, 1:50am UTC](https://forum.highend3d.com/t/i-need-help-asap/356 "2013-01-31T01:50:40Z") **Posts on this page:** 1 **Page:** 1
### Author: ![aschwe21](https://forum.highend3d.com/letter_avatar_proxy/v4/letter/a/bc8723/32.png) [@aschwe21](https://forum.highend3d.com/u/aschwe21) #### Post date: [January 31, 2013, 1:50am UTC](https://forum.highend3d.com/t/i-need-help-asap/356/1 "2013-01-31T01:50:40Z")
so... I have this programming project due , and I just can't seem to fix this bug. --this is the script I'm using: file -f -new; string $window = `window -t "General Conditionions" -mnb false -mxb false         -widthHeight 400 110`; columnLayout -adjustableColumn true;     text " ";     text "Please ensure the following conditions are met:";     text "1.) SmoothShade all is turned on";     text "2.) High Quality is turned on";     text "Thank you. Press ESC to pause playback.";     text " ";     button -l "Close Window" -command ("deleteUI -window " + $window) -w 55; showWindow; // set up spiral process string global proc string spiral ( float $ht, float $radius, float $numRounds ) { string $cone[] = `cone -ch off -po 0 -p 0 0.2 0 -hr 0.5 -r 1 -ax 0 -1 0`; scale $radius $ht $radius $cone[0]; string $cos = `curveOnSurface -d 1 -uv 0.0 0.0 -uv 1.0 ($numRounds*2.5) $cone[0]`; string $duplicatedCrv[] = `duplicateCurve -ch off $cos`; delete $cos; delete $cone[0]; return $duplicatedCrv[0]; } // creating basic spirals and reversing direction // this is to have the particles move from the bottom to the top spiral(40, 10, 10); spiral(40, -10, 10); select -r duplicatedCurve1; rename "curve1" ; reverseCurve -ch off -replaceOriginal on curve1; select -r duplicatedCurve2; rename "curve2" ; reverseCurve -ch off -replaceOriginal on curve2; select -r curve1 curve2; string $selection\_list[] = `ls -selection`; string $curveSelected; for ($curveSelected in $selection\_list) { string $curveSelected = $selection\_list[0]; float $startOffset = 0.1; float $speed = (1.0 / 16.0); offsetCurve -d $startOffset -n ($curveSelected + "guide"); float $startPoint[] = `pointOnCurve -pr 0 -p $curveSelected`; float $startTangent[] = `pointOnCurve -pr 0 -nt $curveSelected`; float $startGuide[] = `pointOnCurve -pr 0 -p ($curveSelected + "guide")`; float $startNormal[]; $startNormal[0] = $startGuide[0] - $startPoint[0]; $startNormal[1] = $startGuide[1] - $startPoint[1]; $startNormal[2] = $startGuide[2] - $startPoint[2]; // set up emitter and its attributes emitter -pos $startGuide[0] $startGuide[1] $startGuide[2]     -dx $startTangent[0] -dy $startTangent[1] -dz $startTangent[2]         -n ($curveSelected + "emitter") -spd 0.0         -type dir; particle -n ($curveSelected + "particles"); setAttr ($curveSelected + "particlesShape.expressionsAfterDynamics") true; select -r ($curveSelected + "particlesShape"); addAttr -ln "speed" -at "float"; setAttr ($curveSelected + "particlesShape.speed") $speed; addAttr -ln "scaleOffset" -at "float"; setAttr ($curveSelected + "particlesShape.scaleOffset") $startOffset; connectDynamic -em ($curveSelected + "emitter")                    ($curveSelected + "particles"); parent ($curveSelected + "emitter") $curveSelected; string $mainCurveInfoNode = `pointOnCurve -ch on     -pr 0 $curveSelected`; string $guideCurveInfoNode = `pointOnCurve -ch on     -pr 0 ($curveSelected + "guide")`; // create expression for the particles movement alond the curve string $exprString =     "float $curve\_param = " + $curveSelected + "particlesShape.age \* " +     $curveSelected + "particlesShape.speed;\n" +     "setAttr " + $mainCurveInfoNode + ".parameter $curve\_param;\n" +     "setAttr " + $guideCurveInfoNode + ".parameter $curve\_param;\n" +     "float $pos[] = `getAttr " + $mainCurveInfoNode + ".position`;\n" +     "float $tan[] = `getAttr " + $mainCurveInfoNode +                                     ".normalizedTangent`;\n" +     "float $normEnd[] = `getAttr " + $guideCurveInfoNode +                                     ".position`;\n" +     "float $norm[];\n" +     "$norm[0] = $normEnd[0] - $pos[0];\n" +     "$norm[1] = $normEnd[1] - $pos[1];\n" +     "$norm[2] = $normEnd[2] - $pos[2];\n" +     "vector $posvec = \<\>;\n" +     "vector $tanvec = \<\>;\n" +     "vector $normvec = unit(\<\>);\n" +     "vector $norm2vec = cross($tanvec, $normvec);\n" +     $curveSelected + "particlesShape.position = $posvec + \n" + // The oscillations are muliplied by "particlesShape.age" // to move the particles further away from the curves as they age. // '(frame/10)/time' magnifies that change in distance.     "(" + $curveSelected +         "particlesShape.scaleOffset \* $normvec \* " +         $curveSelected + "particlesShape.age \* (frame/10)/time \* cos(" +         $curveSelected + "particlesShape.age\*20)) + \n" +     "(" + $curveSelected +         "particlesShape.scaleOffset \* $norm2vec \* " +         $curveSelected + "particlesShape.age \* (frame/10)/time \* sin(" +         $curveSelected + "particlesShape.age\*20));\n"; // set up color ramp window for custom use // ramp defaults are defined below string $ramp1 = `createNode ramp`; window -t "Ramp Settings" -mxb false; columnLayout;     rampColorPort -node $ramp1; showWindow; // define ramp color defaults setAttr ramp1.colorEntryList[1].position 0.166; setAttr ramp1.colorEntryList[1].color -type double3 1 1 0; setAttr ramp1.colorEntryList[3].position 0.333; setAttr ramp1.colorEntryList[3].color -type double3 0 1 0; setAttr ramp1.colorEntryList[4].position 0.501; setAttr ramp1.colorEntryList[4].color -type double3 0 1 1 ; setAttr ramp1.colorEntryList[2].position 0.667; setAttr ramp1.colorEntryList[5].color -type double3 1 0 1; setAttr ramp1.colorEntryList[5].position 0.833; setAttr ramp1.colorEntryList[6].position 1; // create arrayMapper and connect it               radial -pos 0 0 0 -name pushIn -m -2 -att 0 -typ 0 -mxd -1 -vsh sphere -vex 1-vof 0 0 0 -vsw 360 -tsr 0.5 ; scale 10 10 10; connectDynamic -f pushIn ($curveSelected + "particlesShape"); addAttr -ln "rgbPP" -dt vectorArray ($curveSelected + "particlesShape"); arrayMapper -mt ramp1 -target ($curveSelected + "particlesShape")     -destAttr rgbPP -inputV rgbVPP;    // add distance expression to ramp, // so particles change color a they move away from the emitter dynExpression -s "rgbVPP = mag( position )/(frame/time);"     -rbd ($curveSelected + "particlesShape"); // set up Point Size slider setAttr ($curveSelected + "particlesShape.particleRenderType") 3; addAttr -is true -ln "pointSize" -at long     -min 1 -max 10 -dv 5 ($curveSelected + "particlesShape"); // Attach expression string to the particle object: dynExpression -rad -s $exprString ($curveSelected + "particles"); dynExpression -c -s $exprString ($curveSelected + "particles"); } // Set playback range and begin playback from min to max// currentTime 0; playbackOptions -minTime 0sec -maxTime 16sec -loop once; play -f true; --- sorry, it's really long... so, I'm having trouble with the offestCurve part (\>offsetCurve -d $startOffset -n ($curveSelected + "guide")😉. It keep coming up with an error " line 53: Too many arguments.  Expected 1, found 0." anybody know what I can do to fix it?