<?xml version="1.0" ?>
<!DOCTYPE bulletml SYSTEM "../barrage.dtd">

<barrage>

<barrageInfo>
 <filename>mu4kamado</filename>
 <group>user</group>
 <title>虫姫４面カマドウマ（ウルトラ）</title>
 <description>虫姫らしいアホ弾幕。豪快。</description>
 <capture>ちょん</capture>
</barrageInfo>

<barrageStyles>
 <bulletLanguage name="lua" />
</barrageStyles>

<lua>
<![CDATA[

----------------------------------
-- 汎用
----------------------------------
function getVectorX(dir, speed)
	dir = dir + 64
	return -math.cos(math.pi/128*dir)*speed
end

function getVectorY(dir, speed)
	dir = dir + 64
	return math.sin(math.pi/128*dir)*speed
end

function getAngle(x1, y1, x2, y2)
	local tempx = x1-x2
	local tempy = y1-y2
	return (math.atan2(tempy, -tempx)*128/math.pi)+64
end

function getDistance(x, y, px, py)
	return math.sqrt((x-px)^2+(y-py)^2)
end

function getPlayerAngle2(seido)
	local dir
	
	dir = 128/math.pi * getPlayerAngle()
	dir = -dir+128
	dir = math.floor((dir / (256/seido)) +0.5) * (256/seido)
	
	return dir
end

function setSpeed2(dir, speed)
	setSpeed(getVectorX(dir, speed), getVectorY(dir, speed))
	return
end

----------------------------------
-- ショット
----------------------------------
function shot(dir, speed, color)
	if(color == 2) then
		fire(dir, speed*rank, "shot2_sub")
	elseif(color == 3) then
		fire(getVectorX(dir, speed*rank), getVectorY(dir, speed*rank), "shot3_sub")
	else
		fire(getVectorX(dir, speed*rank), getVectorY(dir, speed*rank))
	end
	
	return
end

function shot2_sub()
	shot(getSpeedX(), getSpeedY())
	setSpeed(0, 0)
	vanish()
	return
end

function shot3_sub()
end

function way(num, dir, speed, width, color)
	num = math.floor(num)
	local angle = -width*(num/2-0.5)
	for i=1,num do
		shot(angle+dir, speed, color)
		angle = angle + width
	end
	
	return
end

function round(num, dir, speed, color)
	num = math.floor(num)
	for i=1,num do
		shot(dir, speed, color)
		dir = dir + 256/num
	end
	
	return
end

function bigshot(dir, speed, color)
	for i=0, 16 do
		if(color == 2) then
			fire(dir, speed*rank, "bigshot_sub", i*16)
		elseif(color == 3) then
			fire(getVectorX(dir, speed*rank), getVectorY(dir, speed*rank), "bigshot3_sub", i*16)
		else
			fire(dir, speed*rank, "bigshot2_sub", i*16)
		end
	end
	
	return
end

function bigshot_sub(i)
	setPos(getX()+getVectorX(i, 10), getY()+getVectorY(i, 10))
	shot(getSpeedX(), getSpeedY())
	setSpeed(0, 0)
	vanish()
end

function bigshot2_sub(i)
	fire(getSpeedX(), getSpeedY(), "bigshot_sub", i)
	setSpeed(0, 0)
	vanish()
end

function bigshot3_sub(i)
	if(getTurn()==0) then
		setPos(getX()+getVectorX(i, 10), getY()+getVectorY(i, 10))
	end
end

----------------------------------
-- メイン
----------------------------------
parentx = 0
parenty = 0

cnt = -1

rank = 1

function top()
	parentx = getX()
	parenty = getY()
	
	rank = getRank() / 2.5 + 0.8
	
   	--setPos(150, 130)
	
	if(cnt == 0) then
		setSpeed(0, -1)
	end
	
	if(cnt == 15) then
		fire(0, 0, "sub_f")
		fire(0, 0, "sub_b")
		fire(0, 0, "sub_l")
		fire(0, 0, "sub_r")
		setSpeed(0, 0)
	end
	if(cnt == 50) then
		setSpeed(0, 0.4)
	end
	if(cnt == 200) then
		setSpeed(0, 0)
	end
	
	if(cnt == 95 or cnt == 100 or cnt == 105) then
		local dir = math.floor(math.random()*2)*4
		round(32, dir, 2.7, 2)
		round(32, dir, 2.9, 2)
	end
	
	if(cnt == 370) then
		quit()
	end
	
	cnt = cnt + 1
	return
end

function sub_f()
	setPos(parentx, parenty+40)
	
	if(cnt == 20 or cnt == 30) then
		local aimdir = getPlayerAngle2(1024)
		way(8, aimdir, 2.5,  8)
		way(8, aimdir, 2.65, 8)
	end
	if(cnt == 25 or cnt == 35) then
		local aimdir = getPlayerAngle2(1024)
		way(7, aimdir, 2.5,  8)
		way(7, aimdir, 2.65, 8)
	end
	
	if(cnt == 370) then
		vanish()
	end
end

function sub_b()
	setPos(parentx, parenty-20)
	
	if(cnt == 90) then
		local dir = math.floor(math.random()*2)*4
		round(32, dir, 2.7)
		round(32, dir, 2.9)
	end
	
	if(cnt == 110) then
		aimdir = getPlayerAngle2(1024)
		dir = -128
		speed = 1
	end
	if(cnt >= 110 and cnt <= 142) then
		for i=0, 14 do
			shot(aimdir-dir, (0.15+i/4/speed)*speed, 2)
			shot(aimdir+dir, (0.15+i/4/speed)*speed, 2)
		end
		dir = dir + 4
		speed = speed + 0.25
	end
	
	if(cnt == 370) then
		vanish()
	end
end

function sub_l()
	setPos(parentx-30, parenty-8)
	
	if(cnt == 80) then
		local dir = math.floor(math.random()*2)*4
		round(32, dir, 2.7)
		round(32, dir, 2.9)
	end
	
	if(cnt == 370) then
		vanish()
	end
end

function sub_r()
	setPos(parentx+30, parenty-8)
	
	if(cnt == 85) then
		local dir = math.floor(math.random()*2)*4
		round(32, dir, 2.7)
		round(32, dir, 2.9)
	end
	
	if(cnt == 370) then
		vanish()
	end
end

]]>
</lua>

</barrage>