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
140
|
using System;
using System.Collections.Generic;
using System.Drawing;
using MonoMac.Foundation;
using MonoMac.AppKit;
using MonoMac.CoreAnimation;
using MonoMac.CoreGraphics;
namespace Fire
{
public partial class MainWindowController : MonoMac.AppKit.NSWindowController
{
// Root layer and the two paricle emitters
CALayer rootLayer;
CAEmitterLayer fireEmitter;
CAEmitterLayer smokeEmitter;
// Called when created from unmanaged code
public MainWindowController (IntPtr handle) : base (handle)
{
}
// Called when created directly from a XIB file
[Export ("initWithCoder:")]
public MainWindowController (NSCoder coder) : base (coder)
{
}
// Call to load from the XIB/NIB file
public MainWindowController () : base ("MainWindow")
{
}
//strongly typed window accessor
public new MainWindow Window {
get {
return (MainWindow)base.Window;
}
}
public override void AwakeFromNib ()
{
// Create the root layer
rootLayer = new CALayer ();
// Set the root layer;s background color to black
rootLayer.BackgroundColor = new CGColor (0,0,0);
// Create the fire emitter layer
fireEmitter = new CAEmitterLayer ();
fireEmitter.Position = new System.Drawing.PointF (225,50);
fireEmitter.Mode = CAEmitterLayer.ModeOutline;
fireEmitter.Shape = CAEmitterLayer.ShapeLine;
fireEmitter.RenderMode = CAEmitterLayer.RenderAdditive;
fireEmitter.Size = new SizeF (0,0);
// Create the smoke emitter layer
smokeEmitter = new CAEmitterLayer ();
smokeEmitter.Position = new PointF (225,50);
smokeEmitter.Mode = CAEmitterLayer.ModePoints;
// Create the fire emitter cell
CAEmitterCell fire = CAEmitterCell.EmitterCell ();
fire.EmissionLongitude = (float)Math.PI;
fire.BirthRate = 0;
fire.Velocity = 80;
fire.VelocityRange = 30;
fire.EmissionRange = 1.1f;
fire.AccelerationY = 200;
fire.ScaleSpeed = 0.3f;
CGColor color = new CGColor (0.8f,0.4f,0.2f,0.10f);
fire.Color = color;
fire.Contents = NSImage.ImageNamed ("fire.png").AsCGImage (RectangleF.Empty, null, null);
// Name the cell so that it can be animated later using keypaths
fire.Name = "fire";
// Add the fire emitter cell to the fire emitter layer
fireEmitter.Cells = new CAEmitterCell[] { fire };
//Create the smoke emitter cell
CAEmitterCell smoke = CAEmitterCell.EmitterCell ();
smoke.BirthRate = 11;
smoke.EmissionLongitude = (float)Math.PI / 2;
smoke.LifeTime = 0;
smoke.Velocity = 40;
smoke.VelocityRange = 20;
smoke.EmissionRange = (float)Math.PI / 4;
smoke.Spin = 1;
smoke.SpinRange = 6;
smoke.AccelerationY = 160;
smoke.Scale = 0.1f;
smoke.AlphaSpeed = -0.12f;
smoke.ScaleSpeed = 0.7f;
smoke.Contents = NSImage.ImageNamed ("smoke.png").AsCGImage (RectangleF.Empty, null, null);
//Name the cell so that it can be animated later using keypaths
smoke.Name = "smoke";
// Add the smoke emitter cell to the smoke emitter layer
smokeEmitter.Cells = new CAEmitterCell[] { smoke };
// Add the two emitter layers to the root layer
rootLayer.AddSublayer (smokeEmitter);
rootLayer.AddSublayer (fireEmitter);
// Set the view's layer to the base layer
view.Layer = rootLayer;
view.WantsLayer = true;
// Set the fire simulation to reflect the intial slider postion
slidersChanged (this);
// Force the view to update
view.NeedsDisplay = true;
}
partial void slidersChanged (NSObject sender)
{
// Query the gasSlider's value
float gas = gasSlider.IntValue / 100.0f;
// Update the fire properties
fireEmitter.SetValueForKeyPath ((NSNumber)(gas * 1000), (NSString)"emitterCells.fire.birthRate");
fireEmitter.SetValueForKeyPath ((NSNumber)gas, (NSString)"emitterCells.fire.lifetime");
fireEmitter.SetValueForKeyPath ((NSNumber)(gas * 0.35), (NSString)"emitterCells.fire.lifetimeRange");
fireEmitter.Size = new SizeF (50 * gas, 0);
// Update the smoke properties
smokeEmitter.SetValueForKeyPath ((NSNumber)(gas * 4), (NSString)"emitterCells.smoke.lifetime");
CGColor color = new CGColor (1,1,1,gas * 0.3f);
smokeEmitter.SetValueForKeyPath(color.Handle, (NSString)"emitterCells.smoke.color");
}
}
}
|
