December 2002
Intermediate to advanced
648 pages
19h 53m
English
Content preview from Software Engineering and Computer Games
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13.3. The cCritterBullet
As mentioned in the last section, when a cCritterArmed fires a shot, its shoot method is called, and a new bullet gets initialized in two stages. First the bullet’s no-argument constructor cBullet() is called. The constructor does the following.
Sets the bullet’s _collidepriority to the relatively high value cCollider::CP_BULLET. Since this value is higher than cCollider::CP_CRITTER, this means that when a bullet hits a normal critter, the bullet invokes the collide method as the caller instead of as the argument.
Tells the bullet to have a limited lifetime by setting _usefixedlifetime to TRUE and setting the size of _fixedlifetime to cCritterBullet::FIXEDLIFETIME, which happens to be set to 3.0 seconds. (Note that you ...
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