Scene Kit Session WWDC 2013/Sources/Slides/ASCSlideStatistics.m
/* |
File: ASCSlideStatistics.m |
Abstract: Illustrates the new API giving statistics about the scene. |
Version: 1.1 |
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*/ |
#import "ASCPresentationViewController.h" |
#import "ASCSlideTextManager.h" |
#import "ASCSlide.h" |
#import "Utils.h" |
@interface ASCSlideStatistics : ASCSlide |
@end |
@implementation ASCSlideStatistics { |
SCNNode *_fpsNode; |
SCNNode *_panelNode; |
SCNNode *_buttonNode; |
SCNNode *_windowNode; |
} |
- (NSUInteger)numberOfSteps { |
return 6; |
} |
- (void)presentStepIndex:(NSUInteger)index withPresentionViewController:(ASCPresentationViewController *)presentationViewController { |
switch (index) { |
case 0: |
{ |
// Set the slide's title and subtile and add some code |
self.textManager.title = @"Performance"; |
self.textManager.subtitle = @"Statistics"; |
[self.textManager addCode: |
@"// Show statistics \n" |
@"aSCNView.#showsStatistics# = YES;"]; |
break; |
} |
case 1: |
{ |
// Place a screenshot in the scene and animate it |
_windowNode = [SCNNode asc_planeNodeWithImageNamed:@"statistics" size:20 isLit:YES]; |
[self.contentNode addChildNode:_windowNode]; |
_windowNode.opacity = 0.0; |
_windowNode.position = SCNVector3Make(20, 5.2, 9); |
_windowNode.rotation = SCNVector4Make(0, 1, 0, -M_PI_4); |
[SCNTransaction begin]; |
[SCNTransaction setAnimationDuration:1.0]; |
{ |
_windowNode.opacity = 1.0; |
_windowNode.position = SCNVector3Make(0, 5.2, 7); |
_windowNode.rotation = SCNVector4Make(0, 1, 0, 0); |
} |
[SCNTransaction commit]; |
// The screenshot contains transparent areas so we need to make sure it is rendered |
// after the text (which also sets its rendering order) |
_windowNode.renderingOrder = 2; |
break; |
} |
case 2: |
{ |
_fpsNode = [SCNNode asc_planeNodeWithImageNamed:@"statistics-fps" size:7 isLit:NO]; |
[_windowNode addChildNode:_fpsNode]; |
_fpsNode.scale = SCNVector3Make(0.75, 0.75, 0.75); |
_fpsNode.opacity = 0.0; |
_fpsNode.position = SCNVector3Make(-6, -3, 0.5); |
_fpsNode.renderingOrder = 4; |
[SCNTransaction begin]; |
[SCNTransaction setAnimationDuration:0.5]; |
{ |
_fpsNode.scale = SCNVector3Make(1.0, 1.0, 1.0); |
_fpsNode.opacity = 1.0; |
} |
[SCNTransaction commit]; |
break; |
} |
case 3: |
{ |
_buttonNode = [SCNNode asc_planeNodeWithImageNamed:@"statistics-button" size:4 isLit:NO]; |
[_windowNode addChildNode:_buttonNode]; |
_buttonNode.scale = SCNVector3Make(0.75, 0.75, 0.75); |
_buttonNode.opacity = 0.0; |
_buttonNode.position = SCNVector3Make(-7.5, -2.75, 0.5); |
_buttonNode.renderingOrder = 5; |
[SCNTransaction begin]; |
[SCNTransaction setAnimationDuration:0.5]; |
{ |
_fpsNode.opacity = 0.0; |
_buttonNode.scale = SCNVector3Make(1.0, 1.0, 1.0); |
_buttonNode.opacity = 1.0; |
} |
[SCNTransaction commit]; |
break; |
} |
case 4: |
{ |
_panelNode = [SCNNode asc_planeNodeWithImageNamed:@"control-panel" size:10 isLit:NO]; |
[_windowNode addChildNode:_panelNode]; |
_panelNode.scale = SCNVector3Make(0.75, 0.75, 0.75); |
_panelNode.opacity = 0.0; |
_panelNode.position = SCNVector3Make(3.5, -0.5, 1.5); |
_panelNode.renderingOrder = 6; |
[SCNTransaction begin]; |
[SCNTransaction setAnimationDuration:0.5]; |
{ |
_panelNode.scale = SCNVector3Make(1.0, 1.0, 1.0); |
_panelNode.opacity = 1.0; |
} |
[SCNTransaction commit]; |
break; |
} |
case 5: |
{ |
SCNNode *detailsNode = [SCNNode asc_planeNodeWithImageNamed:@"statistics-detail" size:9 isLit:NO]; |
[_windowNode addChildNode:detailsNode]; |
detailsNode.scale = SCNVector3Make(0.75, 0.75, 0.75); |
detailsNode.opacity = 0.0; |
detailsNode.position = SCNVector3Make(5, -2.75, 1.5); |
detailsNode.renderingOrder = 7; |
[SCNTransaction begin]; |
[SCNTransaction setAnimationDuration:0.5]; |
{ |
_panelNode.opacity = 0.0; |
_buttonNode.opacity = 0.0; |
detailsNode.scale = SCNVector3Make(1.0, 1.0, 1.0); |
detailsNode.opacity = 1.0; |
} |
[SCNTransaction commit]; |
break; |
} |
} |
} |
@end |
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