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// This script loops through a set of cameras, specified by name and
// index. It must be customized to fit the characteristics of the given
// MXS file. As set up, it expects to find the MXS filled with cameras
// whose names begin with 'Scene '. This base name is stored below
// in the 'baseName' variable. It expects the scene numbers to begin
// at 1 and to end at 3, with these limits being stored below in the
// 'firstFrame' and 'lastFrame' variables. It will loop through the frame
// range looking for cameras which fit the pattern 'Scene 1', rendering
// each one as it is found.

var firstFrame = 1;
var lastFrame = 3;
var baseName = "Scene ";

// internal vars & events

var isRendering = 0;
var currentFrame = firstFrame;
var outputFolder = FileManager.getFileFolder(Scene.mxsPath);
RenderEvents["renderFinished()"].connect(renderHasFinished);

// render loop

while (currentFrame <= lastFrame)
{
  renderCamera(currentFrame);
  while(1)
  {
    if(isRendering == 0)
    {
        break;
    }
  }
  currentFrame++;
}

// functions

function renderCamera(frameNumber)
{
  var sceneName = baseName + frameNumber;
  Scene.setActiveCamera(sceneName);

  if (Scene.activeCameraName != sceneName)
  {
    Maxwell.print("The MXS contains no camera named '" + sceneName + "'!");
  }
  else
  {
    Maxwell.print("rendering Scene: " + sceneName);
    Scene.setMxiPath(outputFolder +  "\" + sceneName + ".mxi");
    Scene.setImagePath(outputFolder + "\" + sceneName + ".png");    
    isRendering = 1;
    Maxwell.startRender();
  }
}

function renderHasFinished()
{
  isRendering = 0;
  Maxwell.print("Render finished!!");
}