function setup() {
  createCanvas(1024, 768);
  imageMode(CENTER);

  layer1Items = generateCollageItems(layer1Images, 10, 0, height / 2, TAU, height, 0.1, 0.5, 0, 0);
  layer2Items = generateCollageItems(layer2Images, 15, 0, height / 2, TAU, height, 0.1, 0.3, -PI / 6, PI / 6);
  layer3Items = generateCollageItems(layer3Images, 11, 0, height / 2, TAU, height, 0.1, 0.2, 0, 0);

  drawCollageitems(layer1Items);
  drawCollageitems(layer2Items);
  drawCollageitems(layer3Items);
}
radial collage generator. example footage can be found in "P_4_2_1_footage".
if you use your own footage, make sure to rename the files or adjust the prefixes:
see the parameters of generateCollageItems()

KEYS
1-3                  : create a new collage (layer specific)
s                    : save png