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// Create a single sphere, with texture
- (void)setupTexturedSphere
{
    // We need an earth texture
    NSError *error = nil;
    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"NaturalEarth" ofType:@"tif"];
    texture = [GLKTextureLoader textureWithContentsOfFile:filePath options:nil error:&error];
    
    // A single cube, centered at the origin
    float origin[3] = {0,0.5,0};

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// Number of samples in each direction
static const int LongitudeSample=20,LatitudeSample=10;

- (void)addSphereAt:(float *)org sized:(float *)size
{
    // We'll generate the coordinates and normals ahead of time
    float coords[3*LongitudeSample*LatitudeSample];
    float norms[3*LongitudeSample*LatitudeSample];
    float texCoords[2*LongitudeSample*LatitudeSample];
    

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//
//  ViewController.m
//  NSMeetupExample
//
//  Created by [email protected] on 8/6/13.
//

#import "ViewController.h"
#import "SimpleGLObject.h"
#import "FlexiVertexBuffer.h"

mousebird

//
//  FlexiVertexBuffer.m
//  NSMeetupExample
//
//  Created by [email protected] on 8/6/13.
//

#import "FlexiVertexBuffer.h"

GLfloat gCubeVertexData[216] =

mousebird

//
//  FlexiVertexBuffer.h
//  NSMeetupExample
//
//  Created by [email protected] on 8/6/13.
//

#import <UIKit/UIKit.h>
#import "SimpleGLObject.h"

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//
//  SimpleGLObject.m
//  NSMeetupExample
//
//  Created by [email protected] on 8/6/13.
//

#import "SimpleGLObject.h"
#import <GLKit/GLKit.h>

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//
//  SimpleGLObject.h
//  NSMeetupExample
//
//  Created by [email protected] on 8/6/13.
//

#import <UIKit/UIKit.h>

/* A wrapper around the data we need to draw a single

mousebird

//
//  ViewController.m
//  NSMeetupExample
//
//  Created by [email protected] on 8/6/13.
//

#import "ViewController.h"
#import "SimpleGLObject.h"
#import "FlexiVertexBuffer.h"

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/* A wrapper around the data we need to draw a single
    OpenGL ES related object.
 */
@interface SimpleGLObject : NSObject

// The buffer in OpenGL driver space containing the vertices
@property GLuint vertexBuffer;

// Vertex arrays contain the state to draw our object
@property GLuint vertexArray;

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MaplyPlateCarree *coordSys = [[MaplyPlateCarree alloc] initFullCoverage];
MaplyWMSTileSource *tileSource = [[MaplyWMSTileSource alloc] initWithBaseURL:@"http://raster.nationalmap.gov/ArcGIS/services/Orthoimagery/USGS_EDC_Ortho_NAIP/ImageServer/WMSServer" layers:@[@"0"] coordSys:coordSys minZoom:0 maxZoom:16 tileSize:256];
tileSource.transparent = true;
MaplyQuadEarthTilesLayer *layer = [[MaplyQuadEarthTilesLayer alloc] initWithCoordSystem:coordSys tileSource:tileSource];
layer.handleEdges = true;
layer.cacheDir = thisCacheDir;
[baseViewC addLayer:layer];