/// <summary>
/// 更新摄像机状态
/// </summary>
/// <param name="gameTime"></param>
private void UpdateCameraState(GameTime gameTime)
{
if (m_CameraState.CameraType == CameraState.ENUM_CameraType.eCT_AutoRotating)
{
m_fCameraAngle += 0.6f * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else if (m_CameraState.CameraType == CameraState.ENUM_CameraType.eCT_Static)
{
m_fCameraAngle = 0.0f;
}
if (m_CameraState.CameraType == CameraState.ENUM_CameraType.eCT_AutoRotating ||
m_CameraState.CameraType == CameraState.ENUM_CameraType.eCT_Static)
{
Chunk currentChunk = GetCurrentChunk();
var dist = currentChunk == null ? 3 : currentChunk.SizeZ + 80;
m_Camera.TargetDistance = dist;
// 更新摄像机
m_Camera.Update();
// 更新模型的世界矩阵
m_WorldMatrix = Matrix.CreateRotationX(m_fCameraAngle) * Matrix.CreateRotationY(m_fCameraAngle) * Matrix.CreateRotationZ(m_fCameraAngle);
}
}
protected override void OnUpdateFrame(FrameEventArgs args)
{
base.OnUpdateFrame(args);
if (KeyboardState.IsKeyDown(Keys.E))
{
_camera.Rotate(0.5f * args.Time);
}
if (KeyboardState.IsKeyDown(Keys.Q))
{
_camera.Rotate(-0.5f * args.Time);
}
if (KeyboardState.IsKeyDown(Keys.D))
{
_camera.Move(0.5f * args.Time, _camera.Right);
}
if (KeyboardState.IsKeyDown(Keys.A))
{
_camera.Move(-0.5f * args.Time, _camera.Right);
}
if (KeyboardState.IsKeyDown(Keys.W))
{
_camera.Move(-0.5f * args.Time, _camera.Forward);
}
if (KeyboardState.IsKeyDown(Keys.S))
{
_camera.Move(0.5f * args.Time, _camera.Forward);
}
_camera.Update(args.Time);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
// We must call StartFrame at the top of Update to indicate to the TimeRuler
// that a new frame has started.
DebugSystem.Instance.TimeRuler.StartFrame();
// We can now begin measuring our Update method
DebugSystem.Instance.TimeRuler.BeginMark("Update", Color.Blue);
//Camera
m_cam.Update(0);
//Rotation
m_fAngle += (float)(gameTime.ElapsedGameTime.Milliseconds / 1000.0);
//Update VoxelBrush world Matrix
if (m_voxelBrush != null)
{
var mtx = Matrix.CreateTranslation(m_voxelBrush.m_vec3Origin);
mtx *= Matrix.CreateRotationY(m_fAngle);
m_voxelBrush.m_worldMtx = mtx;
}
// End measuring the Update method
DebugSystem.Instance.TimeRuler.EndMark("Update");
base.Update(gameTime);
}
public FKGameState(List <string> modelNames, List <Chunk> modelChunks)
{
m_RenderState = new RenderState();
m_RenderState.RenderType = RenderState.ENUM_RenderType.eRS_SimpleRender;
m_CameraState = new CameraState();
m_CameraState.CameraType = CameraState.ENUM_CameraType.eCT_Static;
m_RasterizerState = new RasterizerState {
CullMode = CullMode.CullCounterClockwiseFace,
FillMode = FillMode.WireFrame
};
m_ModelNameList = modelNames;
m_ModelChunkList = modelChunks;
// 创建基本图元
m_DefaultGeoPrimitiveNameList = Utils.GetDefaultGeoPrimitiveNameList();
m_DefaultGeoPrimitiveList = new List <GeometricPrimitive>();
m_DefaultGeoPrimitiveList.Add(new CubePrimitive(GraphicsDevice()));
m_DefaultGeoPrimitiveList.Add(new SpherePrimitive(GraphicsDevice()));
m_DefaultGeoPrimitiveList.Add(new TorusPrimitive(GraphicsDevice()));
m_DefaultGeoPrimitiveList.Add(new TeapotPrimitive(GraphicsDevice()));
// 设置默认对象
m_nCurrentGeoPrimitiveIndex = 0;
m_nCurrentChunkIndex = int.MaxValue;
m_WorldMatrix = Matrix.Identity;
// 重计算
m_Camera = new OrbitCamera(Program.s_GameInstance);
m_Camera.Update();
}
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
camera.Update(gameTime);
base.Update(gameTime);
}
