images:
dropPerSecond:
isBoundingSize:
z:
~
vX:
~
vY:
~
vZ:
~
vA:
~
vR:
~
aX:
~
aY:
~
aZ:
~
aA:
~
aR:
~
x, y will generate by canvas size dynamically if not pass the value
x:
~
y:
~
start
pause
stop