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;