//---------------------------------------------------------------------------

//

//  File: OpenGLPlasmaKleinExhibit.m

//

//  Abstract: Utility toolkit for GLSL plasma shader that includes

//            a Klein surface

//

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//---------------------------------------------------------------------------

//------------------------------------------------------------------------

#import "OpenGLPlasmaKleinExhibit.h"

//------------------------------------------------------------------------

//------------------------------------------------------------------------

@implementation OpenGLPlasmaKleinExhibit

//------------------------------------------------------------------------

#pragma mark -

#pragma mark Initializer

//------------------------------------------------------------------------

- (id) init

{

    self = [super init];

    if( self )

    {

        mpKleinSurface = [[OpenGLKleinSurface alloc] initKleinSurfaceWithTessellationFactor:64];

    } // if

    return  self;

} // init

//------------------------------------------------------------------------

- (id) initWithTextures:(NSDictionary *)theTextures

               uniforms:(NSDictionary *)theUniforms

{

    self = [super initWithTextures:theTextures

                          uniforms:theUniforms];

    if( self )

    {

        mpKleinSurface = [[OpenGLKleinSurface alloc] initKleinSurfaceWithTessellationFactor:64];

    } // if

    return  self;

} // initWithTextures

//------------------------------------------------------------------------

+ (id) exhibit

{

    return  [[[OpenGLPlasmaKleinExhibit allocWithZone:[self zone]] init] autorelease];

} // exhibit

//------------------------------------------------------------------------

+ (id) exhibitWithTextures:(NSDictionary *)theTextures

                  uniforms:(NSDictionary *)theUniforms

{

    return  [[[OpenGLPlasmaKleinExhibit allocWithZone:[self zone]] initWithTextures:theTextures

                                                                           uniforms:theUniforms] autorelease];

} // exhibitWithTextures

//------------------------------------------------------------------------

#pragma mark -

#pragma mark Deallocating Resources

//------------------------------------------------------------------------

- (void) dealloc

{

    if( mpKleinSurface )

    {

        [mpKleinSurface release];

        mpKleinSurface = nil;

    } // if

    // Dealloc the superclass

    [super dealloc];

} // dealloc

//------------------------------------------------------------------------

#pragma mark -

#pragma mark Drawing the Object

//------------------------------------------------------------------------

- (BOOL) draw

{

    glScalef(3.0f, 3.0f, 3.0f);

    [mpKleinSurface callList];

    return YES;

} // drawObject

//---------------------------------------------------------------------------

@end

//---------------------------------------------------------------------------

//---------------------------------------------------------------------------