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@PhilipWitte
Created June 9, 2015 02:24
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type
Sprite {.pure inheritable.} = object
x, y: float
image: string
Fighter = object of Sprite
health: float
strength: float
proc move(s:var Sprite, x, y:float) =
s.x += x
s.y += y
proc touch(f:var Fighter, other:Fighter) =
f.health -= other.strength
if f.health < 0:
echo "Ship ", f.image, " dead!"
proc print(f:Fighter) =
echo f.x, ", ", f.y, ", ", f.image, ", ", f.health, ", ", f.strength
proc newFighter(x, y:float, image:string, health, strength:float): Fighter =
when Fighter is ref:
result.new()
result.x = x
result.y = y
result.image = image
result.health = health
result.strength = strength
var
tie = newFighter(1, 2, "Tie Fighter", 1, 0.1)
xwing = newFighter(3, 4, "Rebel XWing", 1, 0.5)
echo sizeof Sprite
echo sizeof Fighter
tie.print()
xwing.print()
tie.move(10, 20)
xwing.move(5, 3)
tie.touch(xwing)
xwing.touch(tie)
tie.print()
xwing.print()
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