return new Move({
appear: [ new PiPo({ x: x, y: y, c: c, p: V.BOMB_CODE[piece] }) ],
vanish: [ new PiPo({ x: x, y: y, c: c, p: piece }) ],
return new Move({
appear: [ new PiPo({ x: x, y: y, c: c, p: V.BOMB_CODE[piece] }) ],
vanish: [ new PiPo({ x: x, y: y, c: c, p: piece }) ],