4
image = 'data/enemy.png',
5
maxVelocity = {x=velLimit,y=velLimit},
6
minVelocity = {x=-velLimit, y=-velLimit},
8
onNew = function (self)
9
self.thrust = Tile:new{image = 'data/thrust.png'}
10
--the.app.view:add(self.thrust)
12
onStartFrame = function (self)
14
local pvec = vector.new(the.player.x - self.x,
15
the.player.y - self.y)
18
local pAngle = math.atan2(pvec.y, pvec.x)
19
local aDiff = self.rotation - pAngle
21
while aDiff < (-math.pi) do
22
--print(aDiff .. ' < -π')
23
aDiff = aDiff + 2 * math.pi
25
while aDiff > math.pi do
26
--print(aDiff .. ' > π')
27
aDiff = aDiff - 2 * math.pi
30
if math.abs(aDiff) > 0.1 then
31
-- rotation really shouldn't be negative. I
32
-- don't understand why that is. :\
33
self.velocity.rotation = -2 * util.signOf(aDiff)
35
--print('not rotating')
36
self.velocity.rotation = 0
39
local pdist2 = pvec:len2()
41
if pdist2 > 400^2 then -- ... if player dist > 64?
42
self.acceleration = vector.new(300, 0)
43
self.acceleration:rotate_inplace(self.rotation)
44
self.thrust.visible = true
46
self.acceleration = {x=0, y=0}
47
self.thrust.visible = false
50
if math.abs(aDiff) < 0.5 * math.pi and
52
love.timer.getTime() - self.lastFired > 0.25 then
55
x = self.x + self.width / 2,
56
y = self.y + self.height / 2,
57
rotation = self.rotation
59
self.lastFired = love.timer.getTime()
63
onUpdate = function(self)
64
self.thrust.x = self.x - self.width
65
self.thrust.y = self.y
66
self.thrust.rotation = self.rotation
b'\\ No newline at end of file'