I can stare at it for a loooong time:ko:, try changing some of the settings…fun
w = 600
h = 400
sat = 127
this.onEnterframe=function(){
clear()
r_R_A -= .152
r_R_B -= .175
g_R_A -= .01
g_R_B -= .054
b_R_A -= .045
b_R_B -= .178
rA = Math.sin(r_R_A)*sat+128
gA = Math.sin(g_R_A)*sat+128
bA = Math.sin(b_R_A)*sat+128
r_B = Math.sin(r_R_B)*sat+128
gB = Math.sin(g_R_B)*sat+128
bB = Math.sin(b_R_B)*sat+128
col = bA << 16 | rA << 8 | rB
beginFill(col,100)
lineTo(w,0)
lineTo(w,h)
lineTo(0,h)
lineTo(0,0)
}