glviewcontroller.m

来自「simpe empty opengl application project f」· M 代码 · 共 46 行

//
//  GLViewController.h
//  ___PROJECTNAME___
//
//  Created by ___FULLUSERNAME___ on ___DATE___.
//  Copyright ___ORGANIZATIONNAME___ ___YEAR___. All rights reserved.
//

#import "GLViewController.h"
#import "GLView.h"
#import "OpenGLCommon.h"
#import "ConstantsAndMacros.h"

@implementation GLViewController
- (void)drawView:(GLView*)view;
{
}

-(void)setupView:(GLView*)view
{
	const GLfloat zNear = 0.01, zFar = 1000.0, fieldOfView = 45.0; 
	GLfloat size; 
	glEnable(GL_DEPTH_TEST);
	glMatrixMode(GL_PROJECTION); 
	size = zNear * tanf(DEGREES_TO_RADIANS(fieldOfView) / 2.0); 
	CGRect rect = view.bounds; 
	glFrustumf(-size, size, -size / (rect.size.width / rect.size.height), size / 
			   (rect.size.width / rect.size.height), zNear, zFar); 
	glViewport(0, 0, rect.size.width, rect.size.height);  
	glMatrixMode(GL_MODELVIEW);
	
	glLoadIdentity(); 
	glClearColor(0.0f, 0.0f, 0.0f, 1.0f); 
}
- (void)didReceiveMemoryWarning 
{
    [super didReceiveMemoryWarning]; 
}

- (void)dealloc 
{
    [super dealloc];
}

@end