opengl示例一

最新推荐文章于 2025-06-20 16:55:02 发布

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绘制一个颜色
绘制正确会显示为红色

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

@interface ViewController ()
@end

@implementation ViewController
- (void)viewDidLoad {
    [super viewDidLoad];
    GLKView *view = (GLKView *)self.view;
    view.context = [[EAGLContext alloc]
                    initWithAPI:kEAGLRenderingAPIOpenGLES2];
    [EAGLContext setCurrentContext:view.context];
}

- (void)glkView:(GLKView *)view drawInRect:(CGRect)rect{
    glClear(GL_COLOR_BUFFER_BIT);
    glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
}

@end