Mothback/code/entities/arrow.lua
2022-03-16 21:01:04 -04:00

68 lines
1.1 KiB
Lua

Arrow = class(Entity, {
type = "Arrow",
display = Animation:new(animation.kupo.arrow),
})
function Arrow:new(x,y,rotation,speed)
local o = Entity:new(x,y)
o.pos = {x = x, y = y}
o.speed = speed or 10
o.sprite_rotation = rotation or 0
o.vel = {
x = o.speed * math.cos(o.sprite_rotation),
y = o.speed * math.sin(o.sprite_rotation)
}
o.sprite_offset = {x = 13, y = 1}
o.stuck = false
o.illuminated = true
-- animations
o.body = Animation:new(animation.kupo.arrow)
o.box = {
from = {x = -0.5, y = -0.5}, --gameworld pixels
to = {x = 0.5, y = 0.5} -- gameworld pixels
}
o:id()
setmetatable(o, self)
self.__index = self
return o
end
function Arrow:drawBackground()
self:draw(self.body)
end
function Arrow:doPhysics()
-- horizontal collision
self:moveX(
self.vel.x,
function()
self.stuck = true
end
)
if not self.stuck then
-- vertical collision
self:moveY(
self.vel.y,
function()
self.stuck = true
end
)
end
if self.stuck then
self.pos.x = self.pos.x + self.vel.x * (2/3)
self.pos.y = self.pos.y + self.vel.y * (2/3)
self.vel.x = 0
self.vel.y = 0
end
self:adjustLight()
end