在學(xué)習(xí)頂點緩存與索引緩存(一)的代碼中
改成下面這樣就達(dá)到目的
 //頂點數(shù)據(jù)
 CUSTOMVERTEX g_Vertices[10];
 g_Vertices[0].x = 300;
 g_Vertices[0].y = 250;
 g_Vertices[0].z = 0.5f;
 g_Vertices[0].rhw = 1.0f;
 g_Vertices[0].color = 0xffff0000;

 //g_Vertices[9]=g_Vertices[0];
 for(int i=0; i<8; i++)
 {
  g_Vertices[i+1].x =  (float)(200*sin(i*3.14159/4.0)) + 300;
  g_Vertices[i+1].y = -(float)(200*cos(i*3.14159/4.0)) + 250;
  g_Vertices[i+1].z = 0.5f;
  g_Vertices[i+1].rhw = 1.0f;
  g_Vertices[i+1].color = 0xff00ff00;
 }
 g_Vertices[9]=g_Vertices[1];