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Conditional

This node renders one of two images based on a condition, with smooth fading between them when the condition changes.

Parameters​

  • Condition A boolean value that determines which image to display. When true, shows the "true image"; when false, shows the "false image". This parameter supports expressions, making it useful for switching scenes based on MIDI program changes or other dynamic inputs.
  • True Image The image to display when the condition is true.
  • False Image The image to display when the condition is false.
  • Fade Time The duration of the transition between images in seconds. Range: 0.0 to 10.0. Default is 0.5 seconds.
  • Fade Bias Controls the asymmetry of the fade transition. Range: 0.0 to 1.0. Default is 0.5 (symmetric fade). Values closer to 0 make the fade-out faster, while values closer to 1 make the fade-in faster.

Outputs​

  • Out The blended output image, transitioning between the true and false images based on the current condition.

Example Use Cases​

Scene Switching with MIDI​

Use MIDI Program Change messages to switch between different visual scenes:

midipc(1, 0) == 0;

This expression in the Condition parameter will show the "true image" when MIDI program 0 is active on channel 1, and the "false image" for any other program.

Time-based Switching​

Toggle between images based on time:

$TIME % 10 < 5;

This alternates between the two images every 5 seconds.