Bouncer

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Bouncer is a label used for the small periodic colour-changing glider reflectors discovered mainly by Noam Elkies in the late 1990s that use a boat, block and eater 1 with a sparker. See p4 bouncer, p5 bouncer, p6 bouncer, p7 bouncer, p8 bouncer, p9 bouncer, and p15 bouncer.

A spark at one of two possible positions will produce the same effect, as shown in the p6 bouncer example below at T=0 or any multiple of six ticks.

x = 22, y = 41, rule = B3/S23 3b2o$3bo16bo$5bo12b2o$4b4o11b2o$3bo4bo$3b2ob2obo$b2o3bo2bo$o2b2o2bob2o 9b2o$2obobobo4bo3b2o2b2o$3bo2bo2b2obo2bobo$3b2obobo3bo3bo$5bobob2o$5bo bobo8b2o$6bo2bo8bo$7b2o10b3o$21bo11$3b2o15bo$3bo14b2o$5bo13b2o$4b4o$3b o4bo$3b2ob2obo$b2o3bo2bo10b2o$o2b2o2bob2o5b2o2b2o$2obobobo4bo2bobo$3bo 2bo2b2obo3bo$3b2obobo3bo$5bobob2o7b2o$5bobobo8bo$6bo2bo9b3o$7b2o12bo! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART THUMBSIZE 2 GPS 12 ZOOM 12 HEIGHT 600 PAUSE 2 T 10 PAUSE 2 GPS 2 T 13 PAUSE 2 T 19 PAUSE 2 GPS 12 LOOP 42 ]]
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For some periods (e.g. 5), an eater 1 is too slow, and the spark of the sparker hits the boat. For this purpose, a second sparker is needed.

x = 29, y = 50, rule = B3/S23 8b2o$5bo2bobo$4bobobobo7bobo$3bobobo2b2o6b2o$3bo3bobo2bo6bo$2ob2ob2obo b2o9b2o$obo4bobo2bo5b2o2b2o$2bob9o4bobo$2bo2bo5b2o5bo$3bo3bobo2bo12b2o $4b3ob2ob2o7b2o2bo2bo$6bo4bo7b3o2bo2bo$7b3obo5b3o3bo$10bob2o5bo4bobo$ 9bo2bo2bobo9b2o$9b2o2b2o2bo9b2o$16b2o$13b2ob2o$12bo2bobobo$12b2o2bo2b 3o$13bobo2bo3bo$13bob2obo2b2o$14bo2bo$15b2o11$8b2o$5bo2bobo$4bobobobo 7bobo$3bobobo2b2o6b2o$3bo3bobo2bo6bo$2ob2ob2obob2o9b2o$obo4bobo2bo5b2o 2b2o$2bob9o4bobo$2bo2bo5b2o5bo$3bo3bobo2bo$4b3ob2ob2o7b2o$6bo4bo8bo$7b 3obo9b3o$10bo12bo$9bo$9b2o! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART THUMBSIZE 2 GPS 7 ZOOM 12 HEIGHT 640 PAUSE 2 T 8 PAUSE 2 LOOP 9 ]]
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Also see

External links