Initial Import

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+' Missile Lock
+'
+' Copyright (C) 2006  Ian Cowburn (ianc@noddybox.co.uk)
+'
+' This program is free software; you can redistribute it and/or modify
+' it under the terms of the GNU General Public License as published by
+' the Free Software Foundation; either version 2 of the License, or
+' (at your option) any later version.
+'
+' This program is distributed in the hope that it will be useful,
+' but WITHOUT ANY WARRANTY; without even the implied warranty of
+' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+' GNU General Public License for more details.
+'
+' You should have received a copy of the GNU General Public License
+' along with this program; if not, write to the Free Software
+' Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+'
+' -------------------------------------------------------------------------
+'
+' $Id$
+'
+Strict
+Import noddybox.algorithm
+Import "global.bmx"
+Import "gametypes.bmx"
+
+Type TParticle
+	Field life:Int
+	Field i:TImage
+	Field x:Double
+	Field y:Double
+	Field a:Double
+	Field dx:Double
+	Field dy:Double
+	Field ai:Double
+	Field s:Double
+	Field si:Double
+	
+	Function Image:TParticle(i:TImage, x:Int, y:Int)
+		Local o:TParticle=New TParticle
+		o.life=120
+		o.x=x
+		o.y=y
+		o.a=1
+		o.ai=-0.01
+		o.dx=0
+		o.dy=0
+		o.s=1
+		o.si=0
+		o.i=i
+		Return o
+	End Function
+	
+	Function ScaleImage:TParticle(i:TImage, x:Int, y:Int,si:Double)
+		Local o:TParticle=New TParticle
+		o.life=120
+		o.x=x
+		o.y=y
+		o.a=1
+		o.ai=-0.01
+		o.dx=0
+		o.dy=0
+		o.s=1
+		o.si=si
+		o.i=i
+		Return o
+	End Function
+	
+	Method Update:Int()
+		Local p:TAlgoPointD=DoRotateD(x,y,3599-GameState.ang)
+		p.x:-GameState.x
+		p.y:+GameState.y
+		SetAlpha(a)
+		SetScale(s,s)
+		DrawImage(i,p.x,p.y)
+		x:+dx
+		y:+dy
+		life:-1
+		a:+ai
+		s:+si
+		Return life>0
+	End Method
+End Type
+
+Type Particles
+	Global plist:TList
+	
+	Function Init()
+		plist=CreateList()
+	End Function
+	
+	Function Clear()
+		plist.Clear()
+	End Function
+	
+	Function AddImage(i:TImage, x:Int, y:Int)
+		If plist.Count()<1000
+			plist.AddLast(TParticle.Image(i,x,y))
+		EndIf
+	End Function
+	
+	Function AddScaledImage(i:TImage, x:Int, y:Int, si:Double=0.1)
+		If plist.Count()<1000
+			plist.AddLast(TParticle.ScaleImage(i,x,y,si))
+		EndIf
+	End Function
+	
+	Function Draw()
+		Local r:Double=GetRotation()
+		
+		SetRotation(-GameState.ang/10.0)
+		
+		SetColor(255,255,255)
+		Local l:TEasyLink=TEasyLink.Create(plist)
+		
+		While l.Value()
+			Local p:TParticle=TParticle(l.Value())
+
+			If (p.Update())
+				l.MoveNext()
+			Else
+				l.Remove()
+			EndIf
+		Wend
+		SetAlpha(1)
+		SetScale(1,1)
+		SetRotation(r)
+	End Function
+End Type