bzr branch
/bzr/traderous
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65
by Josh C
enemy is back |
1 |
-- player = 300 accel, 400 velLimit
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2 |
local accelLimit = 150 |
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local velLimit = 200 |
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7
by Josh C
enemy |
4 |
Enemy = Tile:extend { |
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image = 'data/enemy.png', |
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maxVelocity = {x=velLimit,y=velLimit}, |
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minVelocity = {x=-velLimit, y=-velLimit}, |
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65
by Josh C
enemy is back |
8 |
lastFired = 0, |
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onNew = function (self) |
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self.thrust = Tile:new{image = 'data/thrust.png'} |
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66
by Josh C
enemy thrust |
11 |
--the.app.view:add(self.thrust)
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69
by Josh C
enemy shields and death |
12 |
self.shield = Shield:new{ship = self} |
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65
by Josh C
enemy is back |
13 |
end, |
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onStartFrame = function (self) |
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local pvec = vector.new(the.player.x - self.x, |
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the.player.y - self.y) |
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||
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67
by Josh C
rotate enemy ship slower |
19 |
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local pAngle = math.atan2(pvec.y, pvec.x) |
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local aDiff = self.rotation - pAngle |
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while aDiff < (-math.pi) do |
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--print(aDiff .. ' < -π')
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aDiff = aDiff + 2 * math.pi |
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end
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while aDiff > math.pi do |
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--print(aDiff .. ' > π')
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aDiff = aDiff - 2 * math.pi |
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end
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if math.abs(aDiff) > 0.1 then |
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-- rotation really shouldn't be negative. I
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-- don't understand why that is. :\
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self.velocity.rotation = -2 * util.signOf(aDiff) |
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else
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--print('not rotating')
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self.velocity.rotation = 0 |
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end
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65
by Josh C
enemy is back |
40 |
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41 |
local pdist2 = pvec:len2() |
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42 |
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if pdist2 > 400^2 then -- ... if player dist > 64? |
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self.acceleration = vector.new(300, 0) |
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self.acceleration:rotate_inplace(self.rotation) |
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self.thrust.visible = true |
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else
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self.acceleration = {x=0, y=0} |
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self.thrust.visible = false |
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end
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51 |
||
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67
by Josh C
rotate enemy ship slower |
52 |
if math.abs(aDiff) < 0.5 * math.pi and |
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pdist2 < 400^2 and |
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65
by Josh C
enemy is back |
54 |
love.timer.getTime() - self.lastFired > 0.25 then |
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--print('pew')
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56 |
b = Bullet:new{ |
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x = self.x + self.width / 2, |
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y = self.y + self.height / 2, |
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69
by Josh C
enemy shields and death |
59 |
rotation = self.rotation, |
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source = self |
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65
by Josh C
enemy is back |
61 |
}
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self.lastFired = love.timer.getTime() |
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end
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64 |
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end, |
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7
by Josh C
enemy |
66 |
onUpdate = function(self) |
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65
by Josh C
enemy is back |
67 |
self.thrust.x = self.x - self.width |
68 |
self.thrust.y = self.y |
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self.thrust.rotation = self.rotation |
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end, |
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69
by Josh C
enemy shields and death |
71 |
onCollide = function (self, other) |
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if other:instanceOf(Bullet) and other.source ~= self then |
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if self.shield.strength == 0 then |
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-- die
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the.app.view:add( Boom:new { |
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x = self.x, |
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y = self.y, |
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velocity = { rotation = 5 } |
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})
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80 |
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self:die() |
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self.thrust:die() |
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self.shield:die() |
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the.enemies:remove(self) |
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the.app.view:remove(self.thrust) |
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the.app.view:remove(self.shield) |
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else
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self.shield:onHit() |
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end
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90 |
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other:die() |
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the.bullets:remove(other) |
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end
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end
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7
by Josh C
enemy |
95 |
}
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