Sources/Main/Classes/OpenGLRotateModels.m
//--------------------------------------------------------------------------- |
// |
// File: OpenGLRotateModels.m |
// |
// Abstract: Utility toolKit for rotatting models |
// |
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//--------------------------------------------------------------------------- |
//------------------------------------------------------------------------ |
#import "OpenGLModelTypes.h" |
#import "OpenGLRotateModels.h" |
//------------------------------------------------------------------------ |
//------------------------------------------------------------------------ |
@implementation OpenGLRotateModels |
//------------------------------------------------------------------------ |
- (id) init |
{ |
self = [super init]; |
// Instantiate a Stanford Bunny model as a display list |
modelIsBunny = [[OpenGLBunnyModel alloc] initWithModelType:modelTypeSolid modelRange:1]; |
// Instantiate a torus (a surface having genus one) as a display list |
modelIsTorus = [[OpenGLTorusModel alloc] initWithModelType:modelTypeSolid |
modelRange:1 |
innerRadii:0.05 |
outerRadii:0.9 |
sidesCount:64 |
ringsCount:64]; |
return self; |
} // init |
//------------------------------------------------------------------------ |
- (void) dealloc |
{ |
// Delete the models |
[modelIsBunny dealloc]; |
[modelIsTorus dealloc]; |
// Notify the superclass |
[super dealloc]; |
} // dealloc |
//------------------------------------------------------------------------ |
#pragma mark -- Rotating the models -- |
//------------------------------------------------------------------------ |
- (void) rotateSolidBunny |
{ |
glPushMatrix( ); |
glRotatef( -angle, 0.0f, 1.0f, 0.25f ); |
[modelIsBunny callList]; |
glPopMatrix( ); |
} // rotateSolidBunny |
//------------------------------------------------------------------------ |
- (void) rotateSolidTorus:(GLfloat)theAngle |
{ |
glPushMatrix( ); |
glRotatef( theAngle, 0.0f, 1.0f, 0.5f ); |
[modelIsTorus callList]; |
glPopMatrix( ); |
} // rotateSolidTorus |
//------------------------------------------------------------------------ |
- (void) rotateSolidTori |
{ |
[self rotateSolidTorus:( 2.25f * angle )]; |
[self rotateSolidTorus:( -1.5f * angle )]; |
[self rotateSolidTorus:( 1.75f * angle )]; |
} // rotateSolidTori |
//------------------------------------------------------------------------ |
- (void) rotateModels |
{ |
[self rotateSolidBunny]; |
[self rotateSolidTori]; |
} // RotateModels |
//------------------------------------------------------------------------ |
// |
// We'll animate our models here. |
// |
//------------------------------------------------------------------------ |
- (void) rotate |
{ |
angle += 0.5f; |
[self rotateModels]; |
} // rotate |
//------------------------------------------------------------------------ |
@end |
//------------------------------------------------------------------------ |
//------------------------------------------------------------------------ |
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