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CoalBall = { MAX_HEALTH = 0.25, SPEED = 140, SCORE = 50 }
CoalBall.__index = CoalBall
function CoalBall.create(x,y)
local self = setmetatable({}, CoalBall)
self.x, self.y = x,y
self.alive = true
self.health = self.MAX_HEALTH
self.anim = newAnimation(img.charcoal_projectile, 15, 15, 0.15, 12)
return self
end
function CoalBall:update(dt)
self.anim:update(dt)
self.y = self.y + self.SPEED*dt
if player:collideBox(self:getBBox()) == true then
local cx, cy = math.floor(self.x/16), math.floor(self.y/16)
map:addFire(cx, cy)
map:addFire(cx-1, cy)
map:addFire(cx+1, cy)
map:addFire(cx, cy-1)
map:addFire(cx, cy+1)
map:addParticle(BlackSmoke.create(self.x, self.y-8))
map:addParticle(BlackSmoke.create(self.x-6, self.y-18))
map:addParticle(BlackSmoke.create(self.x+6, self.y-18))
self.alive = false
end
if (self.x < 176 or self.x > 480) and self.y >= MAPH-38 then
map:addParticle(BlackSmoke.create(self.x, MAPH-36))
self.alive = false
elseif self.y >= MAPH-22 then
map:addParticle(BlackSmoke.create(self.x, MAPH-20))
self.alive = false
end
end
function CoalBall:draw()
self.flx = math.floor(self.x)
self.fly = math.floor(self.y)
self.anim:draw(self.flx, self.fly, 0, 1, 1, 7, 7)
end
function CoalBall:shot(dt,dir)
self.health = self.health - dt
if self.health <= 0 then
self.alive = false
score = score + self.SCORE
map:addParticle(BlackSmoke.create(self.x, self.y))
end
end
function CoalBall:collideBox(bbox)
if self.x-7 > bbox.x+bbox.w or self.x+7 < bbox.x
or self.y-7 > bbox.y+bbox.h or self.y+7 < bbox.y then
return false
else
return true
end
end
function CoalBall:getBBox()
return {x = self.x-7, y = self.y-7, w = 14, h = 14}
end
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