/// <summary>
/// This initializes a new terrain chunk given the provided world transform.
/// </summary>
public TerrainChunk(TerrainQuadTree quadTree, TerrainChunk parent, Vector3 centerWorldPosition, float scalingFactor)
{
this.quadTree = quadTree;
this.parent = parent;
this.centerWorldPosition = centerWorldPosition;
this.scaleFactor = scalingFactor;
}
/// <summary>
/// This initializes a new terrain chunk given the provided world transform.
/// </summary>
public TerrainChunk(TerrainQuadTree quadTree, TerrainChunk parent, Vector3 centerWorldPosition, float scalingFactor)
{
this.quadTree = quadTree;
this.parent = parent;
this.centerWorldPosition = centerWorldPosition;
this.scaleFactor = scalingFactor;
}
/// <summary>
/// This constructs a new GrassChunk, including the grass geometry.
/// </summary>
public GrassChunk(Game game, TerrainQuadTree quadTree, int dimension, float starSeparation)
{
this.game = game;
this.quadTree = quadTree;
this.dimension = dimension;
this.starSeparation = starSeparation;
starPositions = new List<Vector3>();
LoadGraphicsContent();
}
/// <summary>
/// This constructs a new GrassChunk, including the grass geometry.
/// </summary>
public GrassChunk(Game game, TerrainQuadTree quadTree, int dimension, float starSeparation)
{
this.game = game;
this.quadTree = quadTree;
this.dimension = dimension;
this.starSeparation = starSeparation;
starPositions = new List <Vector3>();
LoadGraphicsContent();
}
/// <summary>
/// Loads graphics resources needed for the game.
/// </summary>
public override void LoadGraphicsContent(bool loadAllContent)
{
// Initialize the camera
camera = new FirstPersonCamera(GameOptions.CameraAccelerationMagnitude, GameOptions.CameraRotationSpeed,
GameOptions.CameraVelocityDecayRate);
camera.AspectRatio = (float)ScreenManager.GraphicsDevice.Viewport.Width /
(float)ScreenManager.GraphicsDevice.Viewport.Height;
camera.Position = new Vector3(0, GameOptions.TerrainMaxHeight, 0);
camera.Angles = new Vector3(-MathHelper.PiOver2, 0.0f, 0.0f);
if (loadAllContent)
{
// Load the sky box
skyBox = new SkyBox(ScreenManager.Game, ScreenManager.Content, camera);
// Set up the terrain parameters
TerrainQuadTreeParameters parameters = new TerrainQuadTreeParameters();
parameters.HeightMapName = "Content\\Textures\\Heightmap";
parameters.LayerMap0Name = "Content\\Textures\\grass01";
parameters.LayerMap1Name = "Content\\Textures\\rock01";
parameters.LayerMap2Name = "Content\\Textures\\snow01";
parameters.GrassTextureName = "Content\\Textures\\grass";
parameters.MaxHeight = GameOptions.TerrainMaxHeight;
parameters.TerrainScale = GameOptions.TerrainScale;
parameters.MaxScreenSpaceError = 0.075f;
parameters.ScreenHeight = ScreenManager.Game.GraphicsDevice.Viewport.Height;
parameters.FieldOfView = camera.FieldOfView;
parameters.GrassChunkDimension = 30;
parameters.GrassChunkStarSeparation = 266.6f;
parameters.GrassStartFadingInDistance = 4000.0f;
parameters.GrassStopFadingInDistance = 3900.0f;
parameters.WindStrength = 100.0f;
parameters.WindDirection = new Vector4(-1.0f, 0.0f, 0.0f, 0.0f);
parameters.DoPreprocessing = true;
parameters.ComputePerspectiveScalingFactor();
terrain = new TerrainQuadTree(ScreenManager.Game, ScreenManager.Content, parameters);
// Iniialize the water manager
waterManager = new WaterManager(ScreenManager.Game, GameOptions.WaterHeight);
}
}
/// <summary>
/// Loads graphics resources needed for the game.
/// </summary>
public override void LoadGraphicsContent(bool loadAllContent)
{
// Initialize the camera
camera = new FirstPersonCamera(GameOptions.CameraAccelerationMagnitude, GameOptions.CameraRotationSpeed,
GameOptions.CameraVelocityDecayRate);
camera.AspectRatio = (float)ScreenManager.GraphicsDevice.Viewport.Width /
(float)ScreenManager.GraphicsDevice.Viewport.Height;
camera.Position = new Vector3(0, GameOptions.TerrainMaxHeight, 0);
camera.Angles = new Vector3(-MathHelper.PiOver2, 0.0f, 0.0f);
if (loadAllContent)
{
// Load the sky box
skyBox = new SkyBox(ScreenManager.Game, ScreenManager.Content, camera);
// Set up the terrain parameters
TerrainQuadTreeParameters parameters = new TerrainQuadTreeParameters();
parameters.HeightMapName = "Content\\Textures\\Heightmap";
parameters.LayerMap0Name = "Content\\Textures\\grass01";
parameters.LayerMap1Name = "Content\\Textures\\rock01";
parameters.LayerMap2Name = "Content\\Textures\\snow01";
parameters.GrassTextureName = "Content\\Textures\\grass";
parameters.MaxHeight = GameOptions.TerrainMaxHeight;
parameters.TerrainScale = GameOptions.TerrainScale;
parameters.MaxScreenSpaceError = 0.075f;
parameters.ScreenHeight = ScreenManager.Game.GraphicsDevice.Viewport.Height;
parameters.FieldOfView = camera.FieldOfView;
parameters.GrassChunkDimension = 30;
parameters.GrassChunkStarSeparation = 266.6f;
parameters.GrassStartFadingInDistance = 4000.0f;
parameters.GrassStopFadingInDistance = 3900.0f;
parameters.WindStrength = 100.0f;
parameters.WindDirection = new Vector4(-1.0f, 0.0f, 0.0f, 0.0f);
parameters.DoPreprocessing = true;
parameters.ComputePerspectiveScalingFactor();
terrain = new TerrainQuadTree(ScreenManager.Game, ScreenManager.Content, parameters);
// Iniialize the water manager
waterManager = new WaterManager(ScreenManager.Game, GameOptions.WaterHeight);
}
}
