/////////////////////////////////////////////////////////////////////////////
//  colorblocks.mel v1.0
//  By Andrew Osiow (c) 2009
//
//  ver 1.0  makes and places three cubes based color of a shader
//           It shows how to link Attributes as well.
//
////////////////////////////////////////////////////////////////////////////

global proc colorblocks(string $shader)
{// creates three cubes and places them based on the RGB values of the shader
  string $melRedCube[] = `polyCube -n redCube`;
  string $melGreenCube[] = `polyCube -n greenCube`;
  string $melBlueCube[] = `polyCube -n blueCube`;  

  select -r $melRedCube;   
  $cubeHeight = `getAttr ($shader+".colorR")`;
  move 1 ($cubeHeight) 0;
 
  select -r $melGreenCube;
  $cubeHeight = `getAttr ($shader+".colorG")`;
  move 3 ($cubeHeight) 0;
 
  select -r $melBlueCube;
  $cubeHeight = `getAttr ($shader+".colorB")`;
  move 5 0 0; 
  setAttr ($melBlueCube[0]+".ty") $cubeHeight;
  
 //link attributes
//  connectAttr ($shader+".colorR") ($melRedCube[0]+".ty");
//  connectAttr ($shader+".colorG") ($melGreenCube[0]+".ty"); 

 //  link blue cube to a multiply node double it's height
 // $multiplyNode = `shadingNode -asUtility multiplyDivide`;
 // connectAttr ($shader+".colorB") ($multiplyNode+".input1X");
 // connectAttr ($multiplyNode+".outputX") ($melBlueCube[0]+".ty");
 // set multiply node to multiply by 2 
//  setAttr ($multiplyNode+".input2X") 2; 

 // link color to cubes
 // connectAttr ($melRedCube[0]+".ty") ($shader+".colorR");
 // connectAttr ($melGreenCube[0]+".ty") ($shader+".colorG");  
 // connectAttr ($melBlueCube[0]+".ty") ($shader+".colorB");    
}