Exhibit.h
/* |
File: Exhibit.h |
Abstract: Exhibit base class. Subclass this to create |
your own additional exhibits |
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*/ |
/* Required Includes */ |
#import <Cocoa/Cocoa.h> |
#import <OpenGL/gl.h> |
#import <OpenGL/glext.h> |
#import <OpenGL/glu.h> |
#import <OpenGL/OpenGL.h> |
#import <GLUT/glut.h> |
#include "glut_teapot.h" |
#include "mat4.h" |
/* Parameter */ |
typedef struct _Parameter { |
float current [4]; |
float min [4]; |
float max [4]; |
float delta [4]; |
} Parameter; |
/* Macros */ |
#define PARAMETER_CURRENT(p) (p.current) |
#define PARAMETER_ANIMATE(p) ({ int i; for (i = 0; i < 4; i ++) { \ |
p.current[i] += p.delta[i]; \ |
if ((p.current[i] < p.min[i]) || (p.current[i] > p.max[i])) \ |
p.delta[i] = -p.delta[i]; } } ) |
/* Exhibit base class */ |
@interface Exhibit : NSObject { |
BOOL initialised; |
GLhandleARB vertex_shader, fragment_shader, program_object; |
GLUquadric *quadric; |
BOOL gpuProcessingInit; |
BOOL gpuProcessing; |
} |
- (id) init; |
- (void) initLazy; |
- (void) dealloc; |
- (NSString *) name; |
- (NSString *) descriptionFilename; |
- (unsigned int) loadVertexShader: (NSString *) vertexString fragmentShader: (NSString *) fragmentString; |
- (void) renderFrame; |
- (BOOL) reflect; |
@end |
// Utility Functions |
int NextHighestPowerOf2(int n); |
void CopyFramebufferToTexture(GLuint texture); |
NSBitmapImageRep *LoadImage(NSString *path, int shouldFlipVertical); |
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