Game Development Reference
Note You can't add a CCSpeed action to a CCSequence action, because you
can only use actions derived from CCFiniteTimeAction in a sequence.
Because most actions happen over time, such as a rotation for three seconds, you'd
normally have to write an update method and add variables to store the intermediate
results. The CCActionInterval actions shown in Figure 3-11 wrap this kind of lo-
gic for you and turn it into simple, parameterized methods: