Scene Kit Session WWDC 2013/Sources/Slides/ASCSlideMaterialConfigure.m
/* |
File: ASCSlideMaterialConfigure.m |
Abstract: Illustrates how to create and set a material. |
Version: 1.1 |
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*/ |
#import "ASCPresentationViewController.h" |
#import "ASCSlideTextManager.h" |
#import "ASCSlide.h" |
#import "Utils.h" |
@interface ASCSlideMaterialConfigure : ASCSlide |
@end |
@implementation ASCSlideMaterialConfigure |
- (NSUInteger)numberOfSteps { |
return 4; |
} |
- (void)presentStepIndex:(NSUInteger)index withPresentionViewController:(ASCPresentationViewController *)presentationViewController { |
[SCNTransaction begin]; |
[SCNTransaction setAnimationDuration:0.5]; |
switch (index) { |
case 0: |
// Add some text |
self.textManager.title = @"Materials"; |
self.textManager.subtitle = @"Code example"; |
// Add some code and initially unhighlight everything |
[self.textManager addCode: |
@"// Access the geometry attribute of a node \n" |
@"#SCNGeometry# *geometry = node.#geometry#; \n\n" |
@"// Create a new \"red\" material \n" |
@"#SCNMaterial# *aMaterial = [SCNMaterial #material#]; \n" |
@"aMaterial.#diffuse#.contents = [NSColor redColor]; \n\n" |
@"// Set this material to our geometry \n" |
@"geometry.#firstMaterial# = aMaterial;"]; |
[self.textManager highlightCodeChunks:nil]; |
break; |
case 1: |
[self.textManager highlightCodeChunks:@[@0, @1]]; |
break; |
case 2: |
[self.textManager highlightCodeChunks:@[@2, @3, @4]]; |
break; |
case 3: |
[self.textManager highlightCodeChunks:@[@5]]; |
break; |
} |
[SCNTransaction commit]; |
} |
@end |
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