//////////////////////////////////////////////////////////////////////////////////////////////////////
protected void SetupDevice()
{
if (mm.vexbuf == null)
{
mm.CreateVertexBuffer(device);
}
if (MeshCenter)
{
axises.CreateAllBuffer(device, mm.center, mm.radius); //坐标轴以Mesh中心为原心
}
else
{
axises.CreateAllBuffer(device, new Vector3(), mm.radius); //坐标轴以(0,0,0)为原心
}
if (mm.texture == null)
{
mm.CreateAllTextures(device);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
private void Game_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.C:
MeshCenter = !MeshCenter; //切换原点位置标志
axises.DisposeAllBuffer(); //删除原有的坐标轴
axises = new CoordAxies(); //彻底重建坐标轴
Vector3 center = MeshCenter ? mm.center : (new Vector3());
axises.CreateAllBuffer(device, center, mm.radius);
break;
case Keys.X:
DrawCoordinateAxies = !DrawCoordinateAxies;
break;
case Keys.E:
mbi.ExportToObjFile(null, null, null);
Debug.WriteLine("[导出功能] OBJ/MTL文件和所有贴图导出完成.");
Text += "[*]";
break;
case Keys.A:
//开启或者关闭FSAA
FSAA = !FSAA;
CreatePresentParameters(FSAA);
device.Reset(present_params);
break;
case Keys.Escape:
case Keys.Q:
Close(); break;
case Keys.K: //距离
camera.IncreaseRadius(20f);
break;
case Keys.J: //距离
camera.DecreaseRadius(20f);
break;
case Keys.R: //复位旋转阵
camera.Reset();
break;
case Keys.F: //区域线框
DisplayWireFrame++;
DisplayWireFrame %= 3;
break;
case Keys.O:
string fn = Program.SelectSecFile();
if (fn != null)
{
//从头创建所有的一切！
Cleanup();
GC.Collect();
ResetAll(fn);
InitializeGraphics();
}
break;
case Keys.B:
DrawBackground = !DrawBackground;
if (DrawBackground)
{
BackColor = Color.FromArgb(0xff, 0x0, 0xff);
}
else
{
BackColor = Color.Black;
}
break;
default:
Debug.WriteLine(e.KeyCode);
break;
}
}