Material mat;//float a=0;//控制闪烁速度float speed=0.6f;float b=1;Update(){if(a>0.3f){b=1;}if(a<=0f){b=-1;}a += Time.deltaTime * b *speed;mat.color=new Color(0,0,0,a)//这里new Color(R,G,B,A) RGB设置颜色,A改变透明度;}