// dynTestAddAttr.mel

//

// Alias Script File

// MODIFY THIS AT YOUR OWN RISK

//

//

// Creation Date: 31 May 1996; Modified 08 January 2000

// Author: rh

//

// Procedure Name:

// dynTestAddAttr

//

// Description:

// Test adding user attributes to a particle shape.

// Create a particle object, set its render type to

// streak, and add a dynamic attribute "tailSize".

// The streak render plug-in will use the attribute

// "tailSize" if it is available.

//

// Input Arguments:

// None.

//

// Return Value:

// Number of errors that occurred in the test.

//

//

//

// ========== dynTestAddAttr ==========

//

// SYNOPSIS

// Test adding user attributes to a particle shape.

// Create a particle object, set its render type to

// streak, and add a dynamic attribute "tailSize".

// The streak render plug-in will use the attribute

// "tailSize" if it is available.

//

global proc int dynTestAddAttr()

{

 // First delete anything that might be left over

 // from a previous test.

 //

 file -force -new;

 currentTime -e 1;

 // Create emitter and particle object.

 //

 emitter -type omni -r 90 -mnd 0 -mxd 0.5 -spd 5 -pos 2 0 2 

 -n myEmitter;

 particle -n myParticle;

 connectDynamic -em myEmitter myParticle;

 // Set the render mode to streak and add a dynamic

 // attribute for the tail size.

 //

 setAttr myParticleShape.particleRenderType 6; // Streak

 addAttr -ln tailSize -dv 4 myParticleShape;

 // Set some keyframes on the dynamic attribute.

 //

 setKeyframe -t 0 -v 0 -at tailSize myParticleShape;

 setKeyframe -t 10 -v 1 -at tailSize myParticleShape;

 setKeyframe -t 20 -v 2 -at tailSize myParticleShape;

 setKeyframe -t 30 -v 5 -at tailSize myParticleShape;

 setKeyframe -t 50 -v 10 -at tailSize myParticleShape;

 setKeyframe -t 70 -v 5 -at tailSize myParticleShape;

 setKeyframe -t 90 -v 1 -at tailSize myParticleShape;

 setKeyframe -t 100 -v 0 -at tailSize myParticleShape;

 // Check for correct tail size at start of test.

 //

 //

 currentTime -e 0;

 int $errors = 0;

 float $tailSize = `getAttr myParticle.tailSize`;

 if ( $tailSize != 0 ) // Warning Magic#

 {

 print( "dynTestAddAttr: Failure: Start of test: The tail "

 + "size ("+ $tailSize + ") should be 0.\n" );

 $errors += 1;

 }

 // Set up the playback options.

 //

 float $frames = 50;

 playbackOptions -min 1 -max $frames -loop once;

 // Time how long it takes to play the scene and then determine the 

 // playback frame rate. Make sure when getting the frame rate

 // that no values are divided by zero.

 //

 float $startTime = `timerX`;

 play -wait;

 float $elapsed = `timerX -st $startTime`;

 float $fps = ($elapsed == 0.0 ? 0.0 : $frames/$elapsed);

 // Check for correct tail size at middle of test.

 //

 $tailSize = `getAttr myParticle.tailSize`;

 if ( ($tailSize < 9.9) || ($tailSize > 10.1) ) // Warning Magic#

 {

 print( "dynTestAddAttr: Failure: Frame 50: The tail size ("

 + $tailSize + ") should be about 10.\n" );

 $errors += 1;

 }

 // Print the frames per second (fps) in the form X.X of subtest.

 //

 print( "dynTestAddAttr: Subtest 1. (" + (int)($fps * 10)/10.0 + 

 " fps)\n");

 // Set up the playback options.

 //

 $frames = 100;

 playbackOptions -min 1 -max $frames -loop once;

 currentTime -e 1;

 // Time how long it takes to play the scene and then determine the 

 // playback frame rate. Make sure when getting the frame rate

 // that no values are divided by zero.

 //

 $startTime = `timerX`;

 play -wait;

 $elapsed = `timerX -st $startTime`;

 $fps = ($elapsed == 0.0 ? 0.0 : $frames/$elapsed);

 // Check for correct tail size at end of test.

 //

 $tailSize = `getAttr myParticle.tailSize`;

 if ( $tailSize > 0.1 )

 {

 print( "dynTestAddAttr: Failure: End of test: The "

 + "tail size (" + $tailSize + ") should be close to 0.\n");

 $errors += 1;

 }

 // If there are no errors, the addAttr passed this test.

 //

 if ( $errors == 0 )

 print( "dynTestAddAttr: Passed. (" );

 else

 print( "dynTestAddAttr: Failed. (" );

 // Print the frames per second (fps) in the form X.X.

 //

 print((int)($fps * 10)/10.0 + " fps)\n");

 // Reset the current time to zero so user can replay the test.

 //

 currentTime -e 1;

 return $errors;

} // dynTestAddAttr //