Mothback/code/entities/cursed_book.lua

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Lua
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CursedBook = Entity:New(x,y)
function CursedBook:New(x,y)
local o = Entity:New(x,y)
o.type = "cursed_book"
-- behaviour
o.pos = {x = x, y = y}
o.speed = 0.01
o.range = 20
o.target = {x = x, y = y}
o.status = 0
-- 0 - sleep
-- 1 - getting up
-- 2 - flying
-- 3 - attack windup
-- 4 - attack
o.spawn_range = 100
o.attack_range = 50
-- animations
o.body = Animation:New(animation.cursed_book.spawn)
o.sprite_tint = {0.7,0.7,0.7}
o:centerOffset(o.body)
o:getBoundingBox(o.body)
-- light
o.light_range = 500
o.light = CreateLight(o.pos.x,o.pos.y,o.light_range,2,HEX2RGB("#fe00d1"))
table.insert(LoadedObjects.Entities,o)
o.id = #LoadedObjects.Entities
setmetatable(o, self)
self.__index = self
return o
end
function CursedBook:Smart()
self.target.x = main_Player.pos.x - main_Player.target_offset.x
self.target.y = main_Player.pos.y - main_Player.target_offset.y
local distance_x = self.target.x - self.pos.x
local distance_y = self.target.y - self.pos.y
local angle = GetAngleFromVector(distance_x,distance_y)
local distance = math.sqrt(distance_x ^ 2 + distance_y ^ 2)
if self.status == 0 then
if distance < self.spawn_range then
self.status = 1
end
elseif self.status == -1 then
if distance < self.range then
self.vel.x = 0
self.vel.y = 0
else
self.vel.x = math.cos(angle)*self.speed*distance
self.vel.y = math.sin(angle)*self.speed*distance
end
elseif self.status == 2 then
if distance < self.attack_range then
self.status = 3
end
elseif self.status == 4 then
end
end
function CursedBook:HandleAnimation()
if self.status == 1 then
if self.body.path == "assets/entities/cursed_book/spawn" then
self.body.speed = 1/3
local tint = 0.7 + 0.3 * (self.body.frame-1)/self.body.frames
self.sprite_tint = {tint,tint,tint}
if self.body.frame == self.body.frames then
self.status = 2
self.body = self.body:ChangeTo(animation.cursed_book.flying)
self.sprite_tint = {1,1,1}
--self:getBoundingBox(self.body,2,2,-2,-2)
self:centerOffset(self.body)
end
end
elseif self.status == 3 then
if self.body.path == "assets/entities/cursed_book/flying" then
self.body = self.body:ChangeTo(animation.cursed_book.attack_transition)
self.body.speed = 1/3
self:centerOffset(self.body)
if self.body.frame == self.body.frames then
self.status = 4
self.body = self.body:ChangeTo(animation.cursed_book.attack_loop)
self:centerOffset(self.body)
end
end
end
self.body:Animate()
self:Draw(self.body)
end
function CursedBook:DoPhysics()
if self.isFlying then
local random_x = math.random(-4, 4)/100
local random_y = math.random(-4, 4)/100
self.vel.x = self.vel.x + random_x
self.vel.y = self.vel.y + random_y
end
-- move
self:CollisionMove()
self:LightAdjust()
end
function CursedBook:Debug()
-- draw center GREEN
love.graphics.setColor(0,1,0)
love.graphics.circle("line", -Camera.pos.x + self.pos.x, -Camera.pos.y + self.pos.y, self.spawn_range)
love.graphics.setColor(1,0,0)
love.graphics.circle("line", -Camera.pos.x + self.pos.x, -Camera.pos.y + self.pos.y, self.attack_range)
Entity.Debug(self)
end