Create new HeatRay struct to combat aliens

This commit is contained in:
Jonathan Lopez 2022-04-28 14:22:58 -04:00
parent de4cf20383
commit 955bf3eead

View file

@ -55,10 +55,15 @@ const Alien = struct {
.health = strength * 5,
};
}
};
// Your trusty weapon. Zap those aliens!
const HeatRay = struct {
damage: u8,
// We love this method:
pub fn zap(self: *Alien, damage: u8) void {
self.health -= if (damage >= self.health) self.health else damage;
pub fn zap(self: *HeatRay, alien: *Alien) void {
alien.health -= if (self.damage >= alien.health) alien.health else self.damage;
}
};
@ -74,7 +79,7 @@ pub fn main() void {
};
var aliens_alive = aliens.len;
var heat_ray_strength: u8 = 7; // We've been given a heat ray weapon.
var heat_ray = HeatRay{ .damage = 7 }; // We've been given a heat ray weapon.
// We'll keep checking to see if we've killed all the aliens yet.
while (aliens_alive > 0) {
@ -84,7 +89,7 @@ pub fn main() void {
for (aliens) |*alien| {
// *** Zap the Alien Here! ***
???.zap(heat_ray_strength);
???.zap(???);
// If the alien's health is still above 0, it's still alive.
if (alien.health > 0) aliens_alive += 1;