Figure 18-1

Figure 18-3

ease

linear

ease-in

ease-out

ease-in-out

steps(4,end)

step-start

step-end

Figure 18-4

Figure 18-5

BUY

Figure 18-7

Figure 18-8

Figure 18-9

Figure 18-10

Figure 18-11

Figure 18-12

Figure 18-13

Figure 18-15

Figure 18-16

Figure 18-18

Magic!