1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
' 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 "global.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
Field r:Int
Field g:Int
Field b:Int
Function Image:TParticle(i:TImage, x:Double, y:Double, dx:Double, dy:Double, r:Int, g:Int, b:Int)
Local o:TParticle=New TParticle
o.life=120
o.x=x
o.y=y
o.a=1
o.ai=-0.01
o.dx=dx
o.dy=dy
o.s=1
o.si=0
o.i=i
o.r=r
o.g=g
o.b=b
Return o
End Function
Function ScaleImage:TParticle(i:TImage, x:Double, y:Double, dx:Double, dy:Double, si:Double, r:Int, g:Int, b:Int)
Local o:TParticle=New TParticle
o.life=120
o.x=x
o.y=y
o.a=1
o.ai=-0.01
o.dx=dx
o.dy=dy
o.s=1
o.si=si
o.i=i
o.r=r
o.g=g
o.b=b
Return o
End Function
Method Update:Int()
SetAlpha(a)
SetScale(s,s)
SetColor(r,g,b)
DrawImage(i,x,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:Double, y:Double, dx:Double=0, dy:Double=0)
plist.AddLast(TParticle.Image(i,x,y,dx,dy,255,255,255))
End Function
Function AddScaledImage(i:TImage, x:Double, y:Double, si:Double=0.1, dx:Double=0, dy:Double=0)
plist.AddLast(TParticle.ScaleImage(i,x,y,dx,dy,si,255,255,255))
End Function
Function AddExplosion(x:Double, y:Double)
For Local f:Int=0 To 20
plist.AddLast(TParticle.Image(GFX.star,x,y,Rnd(-2,2),Rnd(-2,2),Rand(100,255),Rand(100,255),Rand(100,255)))
Next
End Function
Function AddBigExplosion(x:Double, y:Double)
plist.AddLast(TParticle.ScaleImage(GFX.fireball,x,y,0,0,0.1,255,255,255))
For Local f:Int=0 To 50
plist.AddLast(TParticle.Image(GFX.star,x,y,Rnd(-2,2),Rnd(-2,2),Rand(100,255),Rand(100,255),Rand(100,255)))
Next
End Function
Function Draw()
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)
SetColor(255,255,255)
End Function
End Type
|
