istereo
annotate src/EAGLView.m @ 34:634c7f7c1f0f
the text blur distance was too much man
author | John Tsiombikas <nuclear@mutantstargoat.com> |
---|---|
date | Fri, 09 Sep 2011 00:31:54 +0300 |
parents | 1bb950d0976b |
children | 23e5d274b2a2 |
rev | line source |
---|---|
nuclear@0 | 1 // |
nuclear@0 | 2 // EAGLView.m |
nuclear@0 | 3 // istereo |
nuclear@0 | 4 // |
nuclear@0 | 5 // Created by nuclear on 9/6/11. |
nuclear@0 | 6 // Copyright __MyCompanyName__ 2011. All rights reserved. |
nuclear@0 | 7 // |
nuclear@0 | 8 |
nuclear@0 | 9 #import "EAGLView.h" |
nuclear@0 | 10 |
nuclear@0 | 11 #import "ES1Renderer.h" |
nuclear@0 | 12 #import "ES2Renderer.h" |
nuclear@0 | 13 |
nuclear@0 | 14 @implementation EAGLView |
nuclear@0 | 15 |
nuclear@0 | 16 @synthesize animating; |
nuclear@0 | 17 @dynamic animationFrameInterval; |
nuclear@0 | 18 |
nuclear@0 | 19 // You must implement this method |
nuclear@0 | 20 + (Class)layerClass |
nuclear@0 | 21 { |
nuclear@0 | 22 return [CAEAGLLayer class]; |
nuclear@0 | 23 } |
nuclear@0 | 24 |
nuclear@0 | 25 //The EAGL view is stored in the nib file. When it's unarchived it's sent -initWithCoder: |
nuclear@0 | 26 - (id)initWithCoder:(NSCoder*)coder |
nuclear@30 | 27 { |
nuclear@0 | 28 if ((self = [super initWithCoder:coder])) |
nuclear@0 | 29 { |
nuclear@0 | 30 // Get the layer |
nuclear@0 | 31 CAEAGLLayer *eaglLayer = (CAEAGLLayer *)self.layer; |
nuclear@0 | 32 |
nuclear@30 | 33 //self.contentScaleFactor = 2.0; |
nuclear@30 | 34 |
nuclear@0 | 35 eaglLayer.opaque = TRUE; |
nuclear@0 | 36 eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys: |
nuclear@0 | 37 [NSNumber numberWithBool:FALSE], kEAGLDrawablePropertyRetainedBacking, kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat, nil]; |
nuclear@0 | 38 |
nuclear@0 | 39 renderer = [[ES2Renderer alloc] init]; |
nuclear@0 | 40 |
nuclear@0 | 41 if (!renderer) |
nuclear@0 | 42 { |
nuclear@0 | 43 renderer = [[ES1Renderer alloc] init]; |
nuclear@0 | 44 |
nuclear@0 | 45 if (!renderer) |
nuclear@0 | 46 { |
nuclear@0 | 47 [self release]; |
nuclear@0 | 48 return nil; |
nuclear@0 | 49 } |
nuclear@0 | 50 } |
nuclear@0 | 51 |
nuclear@0 | 52 animating = FALSE; |
nuclear@0 | 53 displayLinkSupported = FALSE; |
nuclear@0 | 54 animationFrameInterval = 1; |
nuclear@0 | 55 displayLink = nil; |
nuclear@0 | 56 animationTimer = nil; |
nuclear@0 | 57 |
nuclear@0 | 58 // A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer |
nuclear@0 | 59 // class is used as fallback when it isn't available. |
nuclear@0 | 60 NSString *reqSysVer = @"3.1"; |
nuclear@0 | 61 NSString *currSysVer = [[UIDevice currentDevice] systemVersion]; |
nuclear@0 | 62 if ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending) |
nuclear@0 | 63 displayLinkSupported = TRUE; |
nuclear@30 | 64 |
nuclear@30 | 65 self.multipleTouchEnabled = 1; |
nuclear@0 | 66 } |
nuclear@0 | 67 |
nuclear@0 | 68 return self; |
nuclear@0 | 69 } |
nuclear@0 | 70 |
nuclear@0 | 71 - (void)drawView:(id)sender |
nuclear@0 | 72 { |
nuclear@0 | 73 [renderer render]; |
nuclear@0 | 74 } |
nuclear@0 | 75 |
nuclear@0 | 76 - (void)layoutSubviews |
nuclear@0 | 77 { |
nuclear@0 | 78 [renderer resizeFromLayer:(CAEAGLLayer*)self.layer]; |
nuclear@0 | 79 [self drawView:nil]; |
nuclear@0 | 80 } |
nuclear@0 | 81 |
nuclear@0 | 82 - (NSInteger)animationFrameInterval |
nuclear@0 | 83 { |
nuclear@0 | 84 return animationFrameInterval; |
nuclear@0 | 85 } |
nuclear@0 | 86 |
nuclear@0 | 87 - (void)setAnimationFrameInterval:(NSInteger)frameInterval |
nuclear@0 | 88 { |
nuclear@0 | 89 // Frame interval defines how many display frames must pass between each time the |
nuclear@0 | 90 // display link fires. The display link will only fire 30 times a second when the |
nuclear@0 | 91 // frame internal is two on a display that refreshes 60 times a second. The default |
nuclear@0 | 92 // frame interval setting of one will fire 60 times a second when the display refreshes |
nuclear@0 | 93 // at 60 times a second. A frame interval setting of less than one results in undefined |
nuclear@0 | 94 // behavior. |
nuclear@0 | 95 if (frameInterval >= 1) |
nuclear@0 | 96 { |
nuclear@0 | 97 animationFrameInterval = frameInterval; |
nuclear@0 | 98 |
nuclear@0 | 99 if (animating) |
nuclear@0 | 100 { |
nuclear@0 | 101 [self stopAnimation]; |
nuclear@0 | 102 [self startAnimation]; |
nuclear@0 | 103 } |
nuclear@0 | 104 } |
nuclear@0 | 105 } |
nuclear@0 | 106 |
nuclear@0 | 107 - (void)startAnimation |
nuclear@0 | 108 { |
nuclear@0 | 109 if (!animating) |
nuclear@0 | 110 { |
nuclear@0 | 111 if (displayLinkSupported) |
nuclear@0 | 112 { |
nuclear@0 | 113 // CADisplayLink is API new to iPhone SDK 3.1. Compiling against earlier versions will result in a warning, but can be dismissed |
nuclear@0 | 114 // if the system version runtime check for CADisplayLink exists in -initWithCoder:. The runtime check ensures this code will |
nuclear@0 | 115 // not be called in system versions earlier than 3.1. |
nuclear@0 | 116 |
nuclear@0 | 117 displayLink = [NSClassFromString(@"CADisplayLink") displayLinkWithTarget:self selector:@selector(drawView:)]; |
nuclear@0 | 118 [displayLink setFrameInterval:animationFrameInterval]; |
nuclear@0 | 119 [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; |
nuclear@0 | 120 } |
nuclear@0 | 121 else |
nuclear@0 | 122 animationTimer = [NSTimer scheduledTimerWithTimeInterval:(NSTimeInterval)((1.0 / 60.0) * animationFrameInterval) target:self selector:@selector(drawView:) userInfo:nil repeats:TRUE]; |
nuclear@0 | 123 |
nuclear@0 | 124 animating = TRUE; |
nuclear@0 | 125 } |
nuclear@0 | 126 } |
nuclear@0 | 127 |
nuclear@0 | 128 - (void)stopAnimation |
nuclear@0 | 129 { |
nuclear@0 | 130 if (animating) |
nuclear@0 | 131 { |
nuclear@0 | 132 if (displayLinkSupported) |
nuclear@0 | 133 { |
nuclear@0 | 134 [displayLink invalidate]; |
nuclear@0 | 135 displayLink = nil; |
nuclear@0 | 136 } |
nuclear@0 | 137 else |
nuclear@0 | 138 { |
nuclear@0 | 139 [animationTimer invalidate]; |
nuclear@0 | 140 animationTimer = nil; |
nuclear@0 | 141 } |
nuclear@0 | 142 |
nuclear@0 | 143 animating = FALSE; |
nuclear@0 | 144 } |
nuclear@0 | 145 } |
nuclear@0 | 146 |
nuclear@30 | 147 static int touch_active; |
nuclear@30 | 148 static CGPoint start_touch; |
nuclear@30 | 149 extern int use_bump; |
nuclear@30 | 150 |
nuclear@30 | 151 - (void) touchesBegan: (NSSet*) touches withEvent: (UIEvent*) event |
nuclear@30 | 152 { |
nuclear@30 | 153 UITouch *touch = [[touches allObjects] objectAtIndex: 0]; |
nuclear@30 | 154 |
nuclear@30 | 155 start_touch = [touch locationInView: self]; |
nuclear@30 | 156 touch_active = 1; |
nuclear@30 | 157 } |
nuclear@30 | 158 |
nuclear@30 | 159 - (void) touchesEnded: (NSSet*) touches withEvent: (UIEvent*) event |
nuclear@30 | 160 { |
nuclear@30 | 161 UITouch *touch = [[touches allObjects] objectAtIndex: 0]; |
nuclear@30 | 162 |
nuclear@30 | 163 CGPoint end_touch = [touch locationInView: self]; |
nuclear@30 | 164 int dx = end_touch.x - start_touch.x; |
nuclear@30 | 165 int dy = end_touch.y - start_touch.y; |
nuclear@30 | 166 |
nuclear@30 | 167 if(dx * dx + dy * dy < 30) { |
nuclear@30 | 168 use_bump = !use_bump; |
nuclear@30 | 169 } |
nuclear@30 | 170 } |
nuclear@30 | 171 |
nuclear@0 | 172 - (void)dealloc |
nuclear@0 | 173 { |
nuclear@0 | 174 [renderer release]; |
nuclear@0 | 175 |
nuclear@0 | 176 [super dealloc]; |
nuclear@0 | 177 } |
nuclear@0 | 178 |
nuclear@0 | 179 @end |