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- Committer: Josh C
- Date: 2013-06-23 02:28:12 UTC
- Revision ID: josh@9ix.org-20130623022812-zhz3azvff45bgsw1
bigger space, slower movement, maintain enemy density
- files modified:
- boom.lua
added
removed
enemy.lua
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-- player = 300 accel, 400 velLimit
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local accelLimit = 150
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local velLimit = 200
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local velLimit = 300
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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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lastFired = 0,
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state = 'patrolling',
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onNew = function (self)
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self.thrust = Tile:new{image = 'data/thrust.png'}
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--the.app.view:add(self.thrust)
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self.shield = Shield:new{ship = self}
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self:chooseTarget()
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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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local pAngle = math.atan2(pvec.y, pvec.x)
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local aDiff = self.rotation - pAngle
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local tvec = vector.new(self.target.x - self.x,
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self.target.y - self.y)
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local tAngle = math.atan2(tvec.y, tvec.x)
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local aDiff = self.rotation - tAngle
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while aDiff < (-math.pi) do
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--print(aDiff .. ' < -π')
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self.velocity.rotation = 0
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end
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local pdist2 = pvec:len2()
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if pdist2 > 400^2 then -- ... if player dist > 64?
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if self.state == 'combat' and not the.player.active then
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self.state = 'patrolling'
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end
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local pdist2 = vector.new(the.player.x - self.x,
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the.player.y - self.y):len2()
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if pdist2 < (the.app.width / 2)^2 then
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-- if player is roughly on enemy's screen
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if self.state == 'patrolling' and the.player.active then
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self.state = 'combat'
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self.target = the.player
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end
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elseif pdist2 > (3 * the.app.width)^2 then
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if self.state == 'combat' then
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self.state = 'patrolling'
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self:chooseTarget()
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end
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end
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local tdist2 = tvec:len2()
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if tdist2 > 400^2 then
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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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self.thrust.visible = false
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end
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if math.abs(aDiff) < 0.5 * math.pi and
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pdist2 < 400^2 and
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love.timer.getTime() - self.lastFired > 0.25 then
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--print('pew')
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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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rotation = self.rotation
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}
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self.lastFired = love.timer.getTime()
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if tdist2 < 400^2 then
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if self.state == 'patrolling' then
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self:chooseTarget()
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elseif self.state == 'combat' then
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if math.abs(aDiff) < 0.5 * math.pi and
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love.timer.getTime() - self.lastFired > 0.25 then
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--print('pew')
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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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rotation = self.rotation,
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source = self
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}
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self.lastFired = love.timer.getTime()
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end
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end
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end
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end,
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self.thrust.y = self.y
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self.thrust.rotation = self.rotation
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end,
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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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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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other:die()
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the.bullets:remove(other)
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end
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end,
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chooseTarget = function (self)
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self.target = {
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x = math.random(the.bg.width),
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y = math.random(the.bg.height)
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}
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end
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}
b'\\ No newline at end of file'
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