vfx
Rainbow
The call script is :-
vfx.Rainbow(clip [,int sf = 0][,int ef = end frame][, int rad = frame height /2][, int erad = rad][, int x = frame width / 2 ][,int ex = x][, int y = frame height / 2][,int ey = y][, int lx = 0][, int elx = lx][, int rx = frame width - 64][, int erx = lx])
clip: input clip of constant format. Compat input not accepted.
sf: Effect Start Frame Number
ef: Effect End Frame Number
x: x coord of center of rainbow. 1 to width - 1
ex: x coord of center of rainbow at end of effect. 1 to width - 1
y: y coord of center of rainbow. 64 to height - 1
ey: y coord of center of rainbow at end of effect. 64 to height - 1
lx: left cutoff of rainbow
elx: left cut off of rainbow at end
rx: Right cut off of rainbow
erx: Right cutoff of rainbow at end.
This function creates upper part of a Rainbow. Center, radius and cut offs can be linearly varied during effect.