1.读取VertexColor与一个外部Color相乘 2.将上面相乘结果再与Texture相乘得到新的结果将A通道分离出来 3.设置UnlitMaster的Surface为Transparent,来实现透明效果
[self.view addSubview:self.labelOne]; [self.labelOne mas_makeConstraints:^(MASConstraintMaker *make) { make.left.equalTo(self.view.mas_left).with.of...