void Setup(HeightMapInfo heightMapInfo, Vector2 shift)
{
// A dummy. The physics object uses its position to get draw pos
Body = new Body();
CollisionSkin = new CollisionSkin(null);
info = heightMapInfo;
Array2D field = new Array2D(heightMapInfo.Heights.GetUpperBound(0), heightMapInfo.Heights.GetUpperBound(1));
for (int x = 0; x < heightMapInfo.Heights.GetUpperBound(0); ++x)
{
for (int z = 0; z < heightMapInfo.Heights.GetUpperBound(1); ++z)
{
field.SetAt(x, z, heightMapInfo.Heights[x, z]);
}
}
// Move dummy body. The body isn't connected to the collision skin.
// But the base class should know where to draw the model.
Body.MoveTo(new Vector3(shift.X, 0, shift.Y), Matrix.Identity);
CollisionSkin.AddPrimitive(new Heightmap(field, shift.X, shift.Y, 1, 1), new MaterialProperties(0.7f, 0.7f, 0.6f));
PhysicsSystem.CurrentPhysicsSystem.CollisionSystem.AddCollisionSkin(CollisionSkin);
}
public HeightmapObject(Game game, Model model, Vector2 shift)
: base(game, model)
{
body = new Body(); // just a dummy. The PhysicObject uses its position to get the draw pos
collision = new CollisionSkin(null);
HeightMapInfo heightMapInfo = model.Tag as HeightMapInfo;
Array2D field = new Array2D(heightMapInfo.heights.GetUpperBound(0), heightMapInfo.heights.GetUpperBound(1));
for (int x = 0; x < heightMapInfo.heights.GetUpperBound(0); x++)
{
for (int z = 0; z < heightMapInfo.heights.GetUpperBound(1); z++)
{
field.SetAt(x, z, heightMapInfo.heights[x, z]);
}
}
// move the body. The body (because its not connected to the collision
// skin) is just a dummy. But the base class shoudl know where to
// draw the model.
body.MoveTo(new Vector3(shift.X, 0, shift.Y), Matrix.Identity);
collision.AddPrimitive(new Heightmap(field, shift.X, shift.Y, 1, 1), new MaterialProperties(0.7f, 0.7f, 0.6f));
PhysicsSystem.CurrentPhysicsSystem.CollisionSystem.AddCollisionSkin(collision);
}
public HeightmapObject(Model model, Vector2 shift, Vector3 position)
: base()
{
//body = new Body(); // just a dummy. The PhysicObject uses its position to get the draw pos
//Skin = new CollisionSkin(null);
HeightMapInfo heightMapInfo = model.Tag as HeightMapInfo;
Array2D field = new Array2D(heightMapInfo.heights.GetLength(0), heightMapInfo.heights.GetLength(1));
for (int x = 0; x < heightMapInfo.heights.GetLength(0); x++)
{
for (int z = 0; z < heightMapInfo.heights.GetLength(1); z++)
{
field.SetAt(x, z, heightMapInfo.heights[x, z]);
}
}
// move the body. The body (because its not connected to the collision
// skin) is just a dummy. But the base class shoudl know where to
// draw the model.
//body.MoveTo(new Vector3(shift.X,0,shift.Y), Matrix.Identity);
//Skin.AddPrimitive(new Heightmap(field, shift.X, shift.Y, heightMapInfo.terrainScale, heightMapInfo.terrainScale), new MaterialProperties(0.7f, 0.7f, 0.6f));
//PhysicsSystem.CurrentPhysicsSystem.CollisionSystem.AddCollisionSkin(Skin);
CommonInit(position, new Vector3(1, 1, 1), model, false, 0);
}
//PUBLIC METHODS
/// <summary>
/// Loads the specified heightmap from the a file.
/// </summary>
/// <param name="filename">filename to load</param>
/// <param name="info">Heightmap info</param>
/// <param name="heightmap">out heightmap</param>
/// <returns>True/False heightmap can be loaded</returns>
public static bool LoadFromFile(string filename, HeightMapInfo info, out HeightMap heightmap)
{
bool result = false;
FileStream filestream = null;
try
{
//OPEN THE FILESTREAM
filestream = new FileStream(filename, FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(filestream);
//GENERATE NEW HEIGHTMAP
HeightMap hmap = new HeightMap();
hmap.info = info;
//GENERATE MAX X, Y VALUES
int MaxX = hmap.info.size;
int MaxY = hmap.info.size;
//GENERATE X/Y ARRAY FOR
hmap.HeightData = new float[MaxX, MaxY];
//READ ALL Z COORDS
float size = (hmap.info.size / 2);
for (int y = 0; y < MaxY; y++)
{
for (int x = 0; x < MaxX; x++)
{
hmap.HeightData[x, y] = (float)(((float)reader.ReadUInt16() - 32768) / 32768) * size;
}
}
//CLOSE DOWN RESOURCES
reader.Close();
filestream.Close();
heightmap = hmap;
result = true;
}
catch (IOException)
{
//A IO-EXCEPTION OCCURED
Trace.TraceError("Cannot load heightmap from file: {0}", filename);
heightmap = null;
result = false;
}
catch (OutOfMemoryException)
{
//WE RUN OUT OF MEMORY WHILE LOADING A MAP, THIS CAN BE THE RESULT OF CORRUPT MEMORY
Trace.TraceError("Ran out of memory when attempting to load: {0}", filename);
heightmap = null;
result = false;
}
finally
{
//CLOSE DOWN RESOURCES
if (filestream != null) filestream.Close();
}
return result;
}
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
music = Content.Load<Song>("backgroundMusic");
terrain = Content.Load<Model>("terrain");
// The terrain processor attached a HeightMapInfo to the terrain model's
heightMapInfo = terrain.Tag as HeightMapInfo; if (heightMapInfo == null)
{
string message = "The terrain model did not have a HeightMapInfo " +
"object attached. Are you sure you are using the " +
"TerrainProcessor?";
throw new InvalidOperationException(message);
}
MediaPlayer.Play(music);
MediaPlayer.IsRepeating = true; //loop song
tank.LoadContent(Content);
}
public override void Update(GameTime gameTime, HeightMapInfo heightMapInfo)
{
this._gameTime = gameTime;
var time = (float)gameTime.TotalGameTime.TotalSeconds;
if (!_isDead) this.RotationZ = time * RocketRotationSpeed;
if (_canCollide) this.UpdateCollision(gameTime, heightMapInfo);
if (!_isDead)
{
_speed = RocketSpeed;
AdjustToHeightMap(gameTime, heightMapInfo);
}
else
{
_speed = 0;
}
this.UpdateBoundingSphere();
this.Moved = false;
}
// End--------------------------------------------------------------
/// <summary>
/// BOT COLLISION
/// </summary>
public static bool isBotValidMove(HydroBot hydroBot, Vector3 futurePosition, SwimmingObject[] enemies,int enemiesAmount, SwimmingObject[] fish, int fishAmount, HeightMapInfo heightMapInfo)
{
BoundingSphere futureBoundingSphere = hydroBot.BoundingSphere;
futureBoundingSphere.Center.X = futurePosition.X;
futureBoundingSphere.Center.Z = futurePosition.Z;
//Don't allow off-terrain driving
if (isOutOfMap(futurePosition, hydroBot.MaxRangeX, hydroBot.MaxRangeZ, futureBoundingSphere))
{
return false;
}
//in supersonice mode, you knock and you stun the enemies
if (HydroBot.supersonicMode == true)
{
if (isBotVsBarrierCollision(futureBoundingSphere, fish, fishAmount))
return false;
return true;
}
//else don't allow driving through an enemy
if (isBotVsBarrierCollision(futureBoundingSphere, enemies, enemiesAmount))
{
return false;
}
if (isBotVsBarrierCollision(futureBoundingSphere, fish, fishAmount)) {
return false;
}
//if (heightMapInfo != null)
//{
// if (heightMapInfo.GetHeight(futurePosition) >= -10)
// return false;
//}
return true;
}
void SetUpTerrain()
{
#region Loading Height Data
Texture2D heightMap = Content.Load<Texture2D>("Land");
float minimumHeight = float.MaxValue;
float maximumHeight = float.MinValue;
float heightRange = 20;
waterHeight = heightRange * 0.10f;
terrainWidth = heightMap.Width;
terrainLength = heightMap.Height;
Color[] heightMapColors = new Color[terrainWidth * terrainLength];
heightMap.GetData(heightMapColors);
heightData = new float[terrainWidth, terrainLength];
for (int x = 0; x < terrainWidth; x++)
for (int y = 0; y < terrainLength; y++)
{
heightData[x, y] = heightMapColors[x + y * terrainWidth].R;
if (heightData[x, y] < minimumHeight) minimumHeight = heightData[x, y];
if (heightData[x, y] > maximumHeight) maximumHeight = heightData[x, y];
}
for (int x = 0; x < terrainWidth; x++)
for (int y = 0; y < terrainLength; y++)
heightData[x, y] = (heightData[x, y] - minimumHeight) / (maximumHeight - minimumHeight) * heightRange;
#endregion
#region Generating Vertices
terrainVertices = new VertexMultitextured[terrainWidth * terrainLength];
for (int x = 0; x < terrainWidth; x++)
{
for (int y = 0; y < terrainLength; y++)
{
float height = heightData[x, y];
terrainVertices[x + y * terrainWidth].Position = new Vector3(x, height, y);
terrainVertices[x + y * terrainWidth].TextureCoordinate.X = (float)x / 30.0f;
terrainVertices[x + y * terrainWidth].TextureCoordinate.Y = (float)y / 30.0f;
terrainVertices[x + y * terrainWidth].TexWeights.X = MathHelper.Clamp(1.0f - Math.Abs(height - 0) / (heightRange / 4), 0, 1);//sand
terrainVertices[x + y * terrainWidth].TexWeights.Y = MathHelper.Clamp(1.0f - Math.Abs(height - heightRange / 3) / (heightRange / 4), 0, 1);//grass
terrainVertices[x + y * terrainWidth].TexWeights.Z = MathHelper.Clamp(1.0f - Math.Abs(height - 2 * heightRange / 3) / (heightRange / 4), 0, 1);//rock
terrainVertices[x + y * terrainWidth].TexWeights.W = MathHelper.Clamp(1.0f - Math.Abs(height - heightRange) / (heightRange / 4), 0, 1);//snow
float total = terrainVertices[x + y * terrainWidth].TexWeights.X;
total += terrainVertices[x + y * terrainWidth].TexWeights.Y;
total += terrainVertices[x + y * terrainWidth].TexWeights.Z;
total += terrainVertices[x + y * terrainWidth].TexWeights.W;
terrainVertices[x + y * terrainWidth].TexWeights.X /= total;
terrainVertices[x + y * terrainWidth].TexWeights.Y /= total;
terrainVertices[x + y * terrainWidth].TexWeights.Z /= total;
terrainVertices[x + y * terrainWidth].TexWeights.W /= total;
}
}
#endregion
#region Generating Indices
terrainIndices = new int[(terrainWidth - 1) * (terrainLength - 1) * 6];
int counter = 0;
for (int y = 0; y < terrainLength - 1; y++)
{
for (int x = 0; x < terrainWidth - 1; x++)
{
int lowerLeft = x + (y + 1) * terrainWidth;
int lowerRight = (x + 1) + (y + 1) * terrainWidth;
int topLeft = x + y * terrainWidth;
int topRight = (x + 1) + y * terrainWidth;
terrainIndices[counter++] = topLeft;
terrainIndices[counter++] = lowerRight;
terrainIndices[counter++] = lowerLeft;
terrainIndices[counter++] = topLeft;
terrainIndices[counter++] = topRight;
terrainIndices[counter++] = lowerRight;
}
}
#endregion
#region Calculating Normals
for (int i = 0; i < terrainVertices.Length; i++)
terrainVertices[i].Normal = new Vector3(0, 0, 0);
for (int i = 0; i < terrainIndices.Length / 3; i++)
{
int index1 = terrainIndices[i * 3];
int index2 = terrainIndices[i * 3 + 1];
int index3 = terrainIndices[i * 3 + 2];
Vector3 side1 = terrainVertices[index1].Position - terrainVertices[index3].Position;
Vector3 side2 = terrainVertices[index1].Position - terrainVertices[index2].Position;
Vector3 normal = Vector3.Cross(side1, side2);
terrainVertices[index1].Normal += normal;
terrainVertices[index2].Normal += normal;
terrainVertices[index3].Normal += normal;
}
for (int i = 0; i < terrainVertices.Length; i++)
{
terrainVertices[i].Normal.Normalize();
float temp = terrainVertices[i].Normal.Y;
temp = MathHelper.Clamp((float)Math.Pow(temp, 2), 0, 1);
float mag = terrainVertices[i].TexWeights.Length();
terrainVertices[i].TexWeights.Normalize();
terrainVertices[i].TexWeights *= temp;
terrainVertices[i].TexWeights += Vector4.UnitZ * (1 - temp);
terrainVertices[i].TexWeights *= mag;
}
#endregion
#region Loading Buffers
terrainVertexBuffer = new VertexBuffer(GraphicsDevice, VertexMultitextured.VertexDeclaration, terrainVertices.Length, BufferUsage.WriteOnly);
terrainVertexBuffer.SetData(terrainVertices);
terrainIndexBuffer = new IndexBuffer(GraphicsDevice, typeof(int), terrainIndices.Length, BufferUsage.WriteOnly);
terrainIndexBuffer.SetData(terrainIndices);
#endregion
#region Water
VertexPositionTexture[] waterVertices = new VertexPositionTexture[6];
waterVertices[0] = new VertexPositionTexture(new Vector3(0, waterHeight, terrainLength), new Vector2(0, 1));
waterVertices[2] = new VertexPositionTexture(new Vector3(terrainWidth, waterHeight, 0), new Vector2(1, 0));
waterVertices[1] = new VertexPositionTexture(new Vector3(0, waterHeight, 0), new Vector2(0, 0));
waterVertices[3] = new VertexPositionTexture(new Vector3(0, waterHeight, terrainLength), new Vector2(0, 1));
waterVertices[5] = new VertexPositionTexture(new Vector3(terrainWidth, waterHeight, terrainLength), new Vector2(1, 1));
waterVertices[4] = new VertexPositionTexture(new Vector3(terrainWidth, waterHeight, 0), new Vector2(1, 0));
waterVertexBuffer = new VertexBuffer(GraphicsDevice, VertexPositionTexture.VertexDeclaration, waterVertices.Length, BufferUsage.WriteOnly);
waterVertexBuffer.SetData(waterVertices);
effect.Parameters["xFogColor0"].SetValue(new Vector4(new Vector3(0.7f), 1));
effect.Parameters["xFogColor1"].SetValue(Color.WhiteSmoke.ToVector4());
effect.Parameters["xWaterBumpMap"].SetValue(waterBumpMap);
effect.Parameters["xWaveLength"].SetValue(0.5f);
effect.Parameters["xWaveHeight"].SetValue(0.1f);
Vector3 windDirection = new Vector3(1, 0, 0);
effect.Parameters["xWindForce"].SetValue(7.0f);
effect.Parameters["xWindDirection"].SetValue(windDirection);
#endregion
Vector3[,] normals = new Vector3[terrainWidth, terrainLength];
for (int x = 0; x < terrainWidth; x++)
for (int y = 0; y < terrainLength; y++)
normals[x, y] = terrainVertices[x + y * terrainWidth].Normal;
heightMapInfo = new HeightMapInfo(heightData, normals, 1);
}
public void MovePlayer(GamePadState currentGamePadState,
KeyboardState currentKeyboardState, HeightMapInfo heightMapInfo)
{
#region Player Movement
float cannonRotateAmount = -currentGamePadState.ThumbSticks.Right.Y * .1f;
if (currentKeyboardState.IsKeyDown(Keys.Y)) //||
//currentGamePadState.DPad.Left == ButtonState.Pressed)
{
cannonRotateAmount += 0.02f;
}
if (currentKeyboardState.IsKeyDown(Keys.H)) //||
//currentGamePadState.DPad.Left == ButtonState.Pressed)
{
cannonRotateAmount -= 0.02f;
}
float newCannonRotate = tank.CannonRotate + cannonRotateAmount;
newCannonRotate = MathHelper.Clamp(newCannonRotate, -MathHelper.PiOver4/2.5f , MathHelper.PiOver4/2.5f );
//Code to rotate the turret with the right thumbstick or J button
float turretRotateAmount = currentGamePadState.ThumbSticks.Right.X * .1f;
if (currentKeyboardState.IsKeyDown(Keys.G)) //||
//currentGamePadState.DPad.Left == ButtonState.Pressed)
{
turretRotateAmount -= 0.02f;
}
if (currentKeyboardState.IsKeyDown(Keys.J)) //||
//currentGamePadState.DPad.Left == ButtonState.Pressed)
{
turretRotateAmount += 0.02f;
}
float newTurretRotate = tank.TurretRotate + turretRotateAmount;
newTurretRotate = MathHelper.Clamp(newTurretRotate, -MathHelper.PiOver2 / 1, MathHelper.PiOver2 / 1);
// First, we want to check to see if the tank should turn. turnAmount will
// be an accumulation of all the different possible inputs.
float turnAmount = -currentGamePadState.ThumbSticks.Left.X; // turn LEFT
float steerRotationAmount = currentGamePadState.ThumbSticks.Right.X * .1f;
if (currentKeyboardState.IsKeyDown(Keys.Left) ||
currentGamePadState.DPad.Left == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.A))
{
steerRotationAmount -= 0.04f;
// player is turning holding Foward button
if (currentKeyboardState.IsKeyDown(Keys.Up) ||
currentGamePadState.DPad.Up == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.W)
)
{
steerRotationAmount -= 0.05f;
turnAmount += 1;
}
// player is turning holding Bacward button
if (currentKeyboardState.IsKeyDown(Keys.Down) ||
currentGamePadState.DPad.Down == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.S))
{
steerRotationAmount -= 0.05f;
turnAmount -= 1;
}
}
if (currentKeyboardState.IsKeyDown(Keys.D) || // turn RIGHT
currentKeyboardState.IsKeyDown(Keys.Right) ||
currentGamePadState.DPad.Right == ButtonState.Pressed)
{
steerRotationAmount += 0.04f;
// player is turning holding Foward button
if (currentKeyboardState.IsKeyDown(Keys.Up) ||
currentGamePadState.DPad.Up == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.W))
{
steerRotationAmount += 0.05f;
turnAmount -= 1;
}
// player is turning holding Bacward button
if (currentKeyboardState.IsKeyDown(Keys.Down) ||
currentGamePadState.DPad.Down == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.S))
{
steerRotationAmount += 0.05f;
turnAmount += 1;
}
}
// clamp the turn amount between -1 and 1, and then use the finished
// value to turn the tank.
turnAmount = MathHelper.Clamp(turnAmount, -1, 1);
tank.FacingDirection += turnAmount * TankTurnSpeed;
// Next, we want to move the tank forward or back. to do this,
// we'll create a Vector3 and modify use the user's input to modify the Z
// component, which corresponds to the forward direction.
Vector3 movement = Vector3.Zero;
movement.Z = -currentGamePadState.ThumbSticks.Left.Y;
if (currentKeyboardState.IsKeyDown(Keys.Up) ||
currentGamePadState.DPad.Up == ButtonState.Pressed || // FOWARD
currentKeyboardState.IsKeyDown(Keys.W))
{
movement.Z = -1;
// case when player is turning holding Foward button
if (currentKeyboardState.IsKeyUp(Keys.Left) ||
currentKeyboardState.IsKeyUp(Keys.A) ||
currentGamePadState.DPad.Right == ButtonState.Released ||
currentKeyboardState.IsKeyUp(Keys.Right) ||
currentKeyboardState.IsKeyUp(Keys.D) ||
currentGamePadState.DPad.Left == ButtonState.Released
)
{
if (tank.SteerRotationValue > 0 & tank.SteerRotationValue != 0)
steerRotationAmount -= 0.05f;
if (tank.SteerRotationValue < 0 & tank.SteerRotationValue != 0)
steerRotationAmount += 0.05f;
}
}
if (currentKeyboardState.IsKeyDown(Keys.Down) || // BACKWARD
currentKeyboardState.IsKeyDown(Keys.S) ||
currentGamePadState.DPad.Down == ButtonState.Pressed)
{
movement.Z = 0.7f;
// case when player is turning holding Bacward button
if (currentKeyboardState.IsKeyUp(Keys.Left) ||
currentKeyboardState.IsKeyUp(Keys.A) ||
currentGamePadState.DPad.Right == ButtonState.Released ||
currentKeyboardState.IsKeyUp(Keys.Right) ||
currentKeyboardState.IsKeyUp(Keys.D) ||
currentGamePadState.DPad.Left == ButtonState.Released
)
{
if (tank.SteerRotationValue > 0 & tank.SteerRotationValue != 0)
steerRotationAmount -= 0.05f;
if (tank.SteerRotationValue < 0 & tank.SteerRotationValue != 0)
steerRotationAmount += 0.05f;
}
}
if (currentKeyboardState.IsKeyDown(Keys.LeftShift))
{
movement *= 2;
if (currentKeyboardState.IsKeyDown(Keys.Down) ||
currentKeyboardState.IsKeyDown(Keys.Up) ||
currentKeyboardState.IsKeyDown(Keys.S) ||
currentKeyboardState.IsKeyDown(Keys.W))
boost = true;
}
else
{
boost = false;
}
// turning tanks front wheels
float newSteerRotationValue = tank.SteerRotationValue + steerRotationAmount;
newSteerRotationValue = MathHelper.Clamp(newSteerRotationValue, -MathHelper.PiOver4, MathHelper.PiOver4);
#endregion
// next, we'll create a rotation matrix from the direction the tank is
// facing, and use it to transform the vector.
//tank.Orientation = Matrix.CreateRotationY(tank.FacingDirection);
Vector3 velocity = Vector3.Transform(movement, tank.Orientation);
velocity *= tank.Velocity;
// Now we know how much the user wants to move. We'll construct a temporary
// vector, newPosition, which will represent where the user wants to go. If
// that value is on the heightmap, we'll allow the move.
//Vector3 newPosition = tank.Position + velocity;
//if (heightMapInfo.IsOnHeightmap(newPosition))
//{
// now that we know we're on the heightmap, we need to know the correct
// height and normal at this position.
//Vector3 normal;
//heightMapInfo.GetHeightAndNormal(newPosition,
//out newPosition.Y, out normal);
// As discussed in the doc, we'll use the normal of the heightmap
// and our desired forward direction to recalculate our orientation
// matrix. It's important to normalize, as well.
//Matrix orientation = tank.Orientation;
//orientation.Up = normal;
//orientation.Right = Vector3.Cross(orientation.Forward, orientation.Up);
//orientation.Right = Vector3.Normalize(orientation.Right);
//orientation.Forward = Vector3.Cross(orientation.Up, orientation.Right);
//orientation.Forward = Vector3.Normalize(orientation.Forward);
// tank.Orientation = orientation;
// now we need to roll the tank's wheels "forward." to do this, we'll
// calculate how far they have rolled, and from there calculate how much
// they must have rotated.
// float distanceMoved = Vector3.Distance(tank.Position, newPosition);
// float theta = distanceMoved / tank.TankWheelRadius;
// int rollDirection = movement.Z > 0 ? 1 : -1;
//tank.wheelRollMatrix *= Matrix.CreateRotationX(theta * rollDirection);
tank.cannonMoveMatrix *= Matrix.CreateRotationX((tank.CannonRotate - newCannonRotate));
tank.turretMoveMatrix *= Matrix.CreateRotationY((tank.TurretRotate - newTurretRotate));
tank.steerRotationMatrix *= Matrix.CreateRotationY(tank.SteerRotationValue - newSteerRotationValue);
// once we've finished all computations, we can set our position to the
// new position that we calculated.
//tank.Position = newPosition;
tank.TurretRotate = newTurretRotate;
tank.CannonRotate = newCannonRotate;
tank.SteerRotationValue = newSteerRotationValue;
//}
}
public HeightMap(HeightMapInfo info)
{
this.info = info;
this.water_level = info.water_level;
this.LoadHMap();
}
/// <summary>
/// Creates a new heightmap
/// </summary>
public HeightMap()
{
this.HeightData = new float[0, 0];
this.info = new HeightMapInfo();
}
protected override void OnCollision(Entity entity, GameTime gameTime, HeightMapInfo heightMapInfo)
{
if (entity.ModelName.Contains("egg") ||
entity.ModelName.Contains("stone"))
{
this.Die();
}
}
public static void PlaceStaticObjects(List<StaticObject> staticObjects, List<ShipWreck> shipWrecks, Random random, HeightMapInfo heightMapInfo, int minX, int maxX, int minZ, int maxZ)
{
Vector3 tempCenter;
//place ship wrecks
foreach (StaticObject staticObject in staticObjects)
{
staticObject.Position = GenerateSeaBedRandomPosition(minX, maxX, minZ, maxZ, random, shipWrecks, staticObjects);
//ship wreck should not be floating
staticObject.Position.Y = heightMapInfo.GetHeight(staticObject.Position);
tempCenter = staticObject.BoundingSphere.Center;
tempCenter.X = staticObject.Position.X;
if (HydroBot.gameMode == GameMode.MainGame || HydroBot.gameMode == GameMode.SurvivalMode)
tempCenter.Y = GameConstants.MainGameFloatHeight;
else tempCenter.Y = staticObject.Position.Y;
tempCenter.Z = staticObject.Position.Z;
staticObject.BoundingSphere = new BoundingSphere(tempCenter,
staticObject.BoundingSphere.Radius);
//staticObject.CalculateBoundingBox(staticObject.scale, staticObject.orientation);
//ModifyBoundingBox(ref staticObject.boundingBox, GameConstants.MainGameFloatHeight);
}
}
protected void UpdateCollision(GameTime gameTime, HeightMapInfo heightMapInfo)
{
collisionDelay -= gameTime.ElapsedGameTime;
if (collisionDelay >= TimeSpan.Zero)
{
return;
}
foreach (Entity entity in _screen.CollideableEntites)
{
if (entity != this && entity.BoundingSphere.Intersects(this.BoundingSphere))
{
this.OnCollision(entity, gameTime, heightMapInfo);
}
}
collisionDelay += TimeSpan.FromSeconds(CollisionInterval);
}
public static Vector3 createSinkingTrash(
ref List<Trash> trashes, ContentManager Content, Random random, List<ShipWreck> shipWrecks, List<StaticObject> staticObjects, List<Factory> factories, ResearchFacility researchFacility, int minX, int maxX, int minZ, int maxZ, float floatHeight, HeightMapInfo heightMapInfo,ref Model bioTrash,ref Model plasticTrash,ref Model nukeTrash, ParticleManagement particleManager)
{
if (PoseidonGame.playTime.TotalSeconds - lastTrashDrop <= 10)
return Vector3.Zero;
else lastTrashDrop = PoseidonGame.playTime.TotalSeconds;
Vector3 tempCenter;
int numTries = 0, xVal, zVal, heightValue;
float orientation = random.Next(100);
int trash_type = random.Next(50);
Trash sinkingTrash;
if (trash_type < 30)
{
sinkingTrash = new Trash(TrashType.biodegradable, particleManager);
sinkingTrash.Load(Content,ref bioTrash, orientation);
sinkingTrash.sinkingRate = 0.25f;
sinkingTrash.sinkingRotationRate = 0.015f;
}
else if (trash_type < 48)
{
sinkingTrash = new Trash(TrashType.plastic, particleManager);
sinkingTrash.Load(Content,ref plasticTrash, orientation); //nuclear model
sinkingTrash.sinkingRate = 0.35f;
sinkingTrash.sinkingRotationRate = -0.015f;
}
else
{
sinkingTrash = new Trash(TrashType.radioactive, particleManager);
sinkingTrash.Load(Content,ref nukeTrash, orientation); //nuclear model
sinkingTrash.sinkingRate = 0.6f;
sinkingTrash.sinkingRotationRate = 0.025f;
}
sinkingTrash.sinking = true;
sinkingTrash.sinkableTrash = true;
do
{
//positionSign = random.Next(4);
xVal = random.Next(0, 2 * maxX) - maxX;
zVal = random.Next(0, 2 * maxZ) - maxZ;
//switch (positionSign)
//{
// case 0:
// xVal *= -1;
// break;
// case 1:
// zVal *= -1;
// break;
// case 2:
// xVal *= -1;
// zVal *= -1;
// break;
//}
heightValue = (int)heightMapInfo.GetHeight(new Vector3(xVal, 0, zVal));
numTries++;
} while (IsSeaBedPlaceOccupied(xVal, GameConstants.MainGameFloatHeight, zVal, 30, shipWrecks, staticObjects, trashes, factories, researchFacility) && numTries < GameConstants.MaxNumTries);
sinkingTrash.Position.X = xVal;
sinkingTrash.Position.Z = zVal;
sinkingTrash.Position.Y = floatHeight+100;
sinkingTrash.seaFloorHeight = heightMapInfo.GetHeight(new Vector3(sinkingTrash.Position.X, 0, sinkingTrash.Position.Z));//GameConstants.TrashFloatHeight;
tempCenter = sinkingTrash.BoundingSphere.Center;
tempCenter.X = sinkingTrash.Position.X;
tempCenter.Y = floatHeight;
tempCenter.Z = sinkingTrash.Position.Z;
sinkingTrash.BoundingSphere = new BoundingSphere(tempCenter,sinkingTrash.BoundingSphere.Radius);
trashes.Add(sinkingTrash);
//degrade environment
HydroBot.currentEnvPoint -= (int)((float)GameConstants.envLossPerTrashAdd / 2);
return sinkingTrash.Position;
}
public static void placeShipWreck(List<ShipWreck> shipWrecks, List<StaticObject> staticObjects, Random random, HeightMapInfo heightMapInfo, int minX, int maxX, int minZ, int maxZ)
{
//int min = GameConstants.MinDistance;
//int max = GameConstants.MaxDistance;
Vector3 tempCenter;
//place ship wrecks
foreach (ShipWreck shipWreck in shipWrecks)
{
shipWreck.Position = GenerateSeaBedRandomPosition(minX, maxX, minZ, maxZ, random, shipWrecks, staticObjects);
//ship wreck should not be floating
shipWreck.Position.Y = heightMapInfo.GetHeight(shipWreck.Position);
tempCenter = shipWreck.BoundingSphere.Center;
tempCenter.X = shipWreck.Position.X;
tempCenter.Y = GameConstants.MainGameFloatHeight;
tempCenter.Z = shipWreck.Position.Z;
shipWreck.BoundingSphere = new BoundingSphere(tempCenter,
shipWreck.BoundingSphere.Radius);
//shipWreck.CalculateBoundingBox(1.0f, shipWreck.orientation);
//ModifyBoundingBox(ref shipWreck.boundingBox, GameConstants.MainGameFloatHeight);
}
}
protected override void LoadContent()
{
terrain = game.Content.Load<Model>("terrain");
terrainTexture = game.Content.Load<Texture2D>("rocks");
decalTexture = game.Content.Load<Texture2D>("explosion_decal");
LoadTerrainEffects();
foreach (ModelMesh mesh in terrain.Meshes)
{
foreach (ModelMeshPart meshPart in mesh.MeshParts)
{
// Set the terrain texture
// TODO: This part will have to go in the draw loop if we want the terrain to have
// multiple textures. See: http://forums.create.msdn.com/forums/p/70607/432670.aspx
// In fact, right now this next line of code is kind of stupid because it will result
// the global terrainEffect to have the texture associated with the last mesh part
// in the terrain mesh (because it keeps getting overwritten in the loop). Setting the
// texture for the current mesh part is something that should be done when you
// draw the terrain, as described in above forum post.
terrainEffect.Texture = ((BasicEffect)meshPart.Effect).Texture;
terrainEffect.TextureEnabled = true;
meshPart.Effect = terrainEffect.Clone();
}
}
// The terrain processor attached a HeightMapInfo to the terrain model's
// Tag. We'll save that to a member variable now, and use it to
// calculate the terrain's heights later.
heightMapInfo = terrain.Tag as HeightMapInfo;
if (heightMapInfo == null)
{
string message = "The terrain model did not have a HeightMapInfo " +
"object attached. Are you sure you are using the " +
"TerrainProcessor?";
throw new InvalidOperationException(message);
}
sky = game.Content.Load<Sky>("sky");
}
/// <summary>
/// Creates a new heightmap
/// </summary>
public HeightMap()
{
this.HeightData = new float[0, 0];
this.info = new HeightMapInfo();
}
public ChaseCamera(HeightMapInfo heightmap)
{
this.heightMap = heightmap;
}
public void HandleInput(GamePadState currentGamePadState,
KeyboardState currentKeyboardState, HeightMapInfo heightMapInfo)
{
if ( inputHelper.IsKeyJustPressed(Keys.C))
{
mode += 1;
if((int)mode == DesiredPositionOffsetSetting.Length)
mode = 0;
DesiredPositionOffset = DesiredPositionOffsetSetting[(int)mode];
LookAtOffset = LookAtOffsetSetting[(int)mode];
}
if (currentKeyboardState.IsKeyDown(Keys.Add))
{
DesiredPositionOffset *= 0.9f;
}
if (currentKeyboardState.IsKeyDown(Keys.Subtract))
{
DesiredPositionOffset /= 0.9f;
}
}
// Sets up terrain, texture, ...
private float[,] CreateTerrain(Texture2D heightMap)
{
float minimumHeight = 0;
float maximumHeight = 255;
int width = heightMap.Width;
int height = heightMap.Height;
boundingBox = new BoundingBox(
new Vector3(-width / 2, maximumHeight - minimumHeight, -height / 2),
new Vector3(width / 2, maximumHeight - minimumHeight, height / 2));
Color[] heightMapColors = new Color[width * height];
heightMap.GetData<Color>(heightMapColors);
// Setup height data from heightmap
float[,] heightData = new float[width, height];
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
heightData[x, y] = heightMapColors[x + y * width].R;
if (heightData[x, y] < minimumHeight)
minimumHeight = heightData[x, y];
if (heightData[x, y] > maximumHeight)
maximumHeight = heightData[x, y];
}
}
for (int x = 0; x < width; ++x)
for (int y = 0; y < height; ++y)
heightData[x, y] = (heightData[x, y] - minimumHeight) / (maximumHeight - minimumHeight) * 30;
// Setup Physics
heightMapInfo = new HeightMapInfo(heightData, 1);
if (heightMapObject != null)
{
heightMapObject.DisableComponent();
heightMapObject = null;
}
heightMapObject = new HeightMapObject(
heightMapInfo,
new Vector2(heightMapInfo.Width / 2, -heightMapInfo.Height / 2 + heightMapInfo.Height));
return heightData;
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
public override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(device);
spriteFont = content.Load<SpriteFont>("Arial");
camera = new ChaseCamera(heightMap);
// Set the camera offsets
camera.DesiredPositionOffset = new Vector3(0.0f, 100.0f, 200.0f);
camera.LookAtOffset = new Vector3(0f, 15.0f, 30.0f);
ball = new Ball(this, device, "Models\\balltest");
ball.scale = Vector3.One * 15f;
camera.NearPlaneDistance = 10.0f;
camera.FarPlaneDistance = 100000.0f;
camera.AspectRatio = (float)device.Viewport.Width /
device.Viewport.Height;
camera.ChasePosition = ball.position;
camera.ChaseDirection = ball.Direction;
camera.Up = ball.Up;
camera.Reset();
ballModel = content.Load<Model>("Models\\balltest");
pitModel = content.Load<Model>("Models\\ground");
boxModel = content.Load<Model>("Models\\cube");
arrowModel = content.Load<Model>("Models\\arrow");
exitModel = content.Load<Model>("Models\\exit2");
//exitModelText = content.Load<Model>("Models\\exitSign");
ballTextureBeach = content.Load<Texture2D>("Textures\\beach");
ballTextureMetal = content.Load<Texture2D>("Textures\\metal");
ballTextureAir = content.Load<Texture2D>("Textures\\air");
coinTexture = content.Load<Texture2D>("Textures\\coin");
teleporterTexture = content.Load<Texture2D>("Textures\\teleporter");
terrainModel = content.Load<Model>(terrain);
rockTexture = content.Load<Texture2D>(terrainTexture);
pitTextureLava = content.Load<Texture2D>("Textures\\lava");
pitTextureIce = content.Load<Texture2D>("Textures\\3");
scoreboardTexture = content.Load<Texture2D>("Textures\\highscores");
heightMap = terrainModel.Tag as HeightMapInfo;
if (heightMap == null)
{
string message = "The terrain model did not have a HeightMapInfo";
throw new InvalidOperationException(message);
}
Sound.playSoundLoop(background, content);
effect = content.Load<Effect>("Lighting/Effects");
sky = content.Load<Sky>("Textures\\sky");
/*Initialize properties for each ball*/
beachBallProperties = new BallProperties(ballTextureBeach, 1.0f, 0.5f, 900f, 1f, new Vector3(0.97f, 1f, 0.97f), new Vector3(1f, 1f, 1f), "Sound\\jump", "Sound\\jump", "Sound\\changeBall");
metalBallProperties = new BallProperties(ballTextureMetal, 3.0f, 0.15f, 750f, 3f, new Vector3(0.95f, 1f, 0.95f), new Vector3(1f, 1f, 1f), "Sound\\jump", "Sound\\jump", "Sound\\changeBall");
airBallProperties = new BallProperties(ballTextureAir, 1f, 0.05f, 1200f, 0.8f, new Vector3(0.99f, 0.99f, 0.99f), new Vector3(0.99f, 0.99f, 0.99f), "Sound\\jump", "Sound\\jump", "Sound\\changeBall");
currentBallProperties = beachBallProperties;
List<Texture2D> textures = new List<Texture2D>();
textures.Add(Content.Load<Texture2D>("Textures\\circle"));
textures.Add(Content.Load<Texture2D>("Textures\\star"));
textures.Add(Content.Load<Texture2D>("Textures\\diamond"));
particleEngine = new ParticleEngine(textures, new Vector2(100, 40));
//ExitPosition = new Vector3(1405.1f, .90952f, -2367.78f);
ExitPosition = new Vector3(2000, 0f, 2000);
ExitPosition.Y = getHeight(ExitPosition) + 50f;
ExitBox = new BoundingBox(ExitPosition - new Vector3(50, 50, 50), ExitPosition + new Vector3(50, 50, 50));
for (int x = 0; x < 50; x++)
{
Vector3 Pos = new Vector3(RandomNumber(-2000, 2000), 0, RandomNumber(-2000, 2000));
//Vector3 Pos = new Vector3(0, 0, 0);
Vector3 Normal;
float Height;
heightMap.GetHeightAndNormal(Pos, out Height, out Normal);
Pos.Y = Height + 20;
//System.Diagnostics.Debug.WriteLine(Pos);
coinList.Add(new Coin(Pos, content));
}
for (int x = 0; x < 20; x++)
{
Vector3 Pos = new Vector3(RandomNumber(-2500, 3000), 0, RandomNumber(-2500, 3000));
Vector3 Normal = new Vector3();
float Height = 10;
heightMap.GetHeightAndNormal(Pos, out Height, out Normal);
Pos.Y = Height + 50;
//System.Diagnostics.Debug.WriteLine(Pos);
teleporterList.Add(new teleporter(Pos, content));
}
}
private void loadLevel()
{
string levelName = "level_";
levelName += (String) Convert.ToString(currentLevel + 1);
p1Position = levelValues[currentLevel].initialPosition;
p2Position = levelValues[currentLevel].initialPosition;
p1Facing = 0;
p2Facing = 0;
p1Velocity = Vector3.Zero;
p2Velocity = Vector3.Zero;
flagPosition = Vector3.Zero;
flagPosition.X = levelValues[currentLevel].xMax;
flagPosition.Z = levelValues[currentLevel].yMax;
terrain = Content.Load<Model>(levelName);
// The terrain processor attached a HeightMapInfo to the terrain model's
// Tag. We'll save that to a member variable now, and use it to
// calculate the terrain's heights later.
heightMapInfo = terrain.Tag as HeightMapInfo;
if (heightMapInfo == null)
{
string message = "The terrain model did not have a HeightMapInfo " +
"object attached. Are you sure you are using the " +
"TerrainProcessor?";
throw new InvalidOperationException(message);
}
}
//PUBLIC METHODS
/// <summary>
/// Loads the specified heightmap from the a file.
/// </summary>
/// <param name="filename">filename to load</param>
/// <param name="info">Heightmap info</param>
/// <param name="heightmap">out heightmap</param>
/// <returns>True/False heightmap can be loaded</returns>
public static bool LoadFromFile(string filename, HeightMapInfo info, out HeightMap heightmap)
{
bool result = false;
FileStream filestream = null;
try
{
//OPEN THE FILESTREAM
filestream = new FileStream(filename, FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(filestream);
//GENERATE NEW HEIGHTMAP
HeightMap hmap = new HeightMap();
hmap.info = info;
//GENERATE MAX X, Y VALUES
int MaxX = hmap.info.size;
int MaxY = hmap.info.size;
//GENERATE X/Y ARRAY FOR
hmap.HeightData = new float[MaxX, MaxY];
//READ ALL Z COORDS
float size = (hmap.info.size / 2);
for (int y = 0; y < MaxY; y++)
{
for (int x = 0; x < MaxX; x++)
{
hmap.HeightData[x, y] = (float)(((float)reader.ReadUInt16() - 32768) / 32768) * size;
}
}
//CLOSE DOWN RESOURCES
reader.Close();
filestream.Close();
heightmap = hmap;
result = true;
}
catch (IOException)
{
//A IO-EXCEPTION OCCURED
Trace.TraceError("Cannot load heightmap from file: {0}", filename);
heightmap = null;
result = false;
}
catch (OutOfMemoryException)
{
//WE RUN OUT OF MEMORY WHILE LOADING A MAP, THIS CAN BE THE RESULT OF CORRUPT MEMORY
Trace.TraceError("Ran out of memory when attempting to load: {0}", filename);
heightmap = null;
result = false;
}
finally
{
//CLOSE DOWN RESOURCES
if (filestream != null)
{
filestream.Close();
}
}
return(result);
}
/// <summary>
/// This function is called when the game is Updating in response to user input.
/// It'll move the tank around the heightmap, and update all of the tank's
/// necessary state.
/// </summary>
public void HandleInput(GamePadState currentGamePadState,
KeyboardState currentKeyboardState,
MouseState currentMouseState,
HeightMapInfo heightMapInfo,
GameTime gameTime)
{
//Recalculates turretDirection based on current mouse position
if (currentPlayerState == PlayerState.Aim)
{
TurretDiff = new Vector3(currentMouseState.X, currentMouseState.Y, 0) - OriginalMousePos;
TurretDiff = new Vector3(TurretDiff.X, -TurretDiff.Y, TurretDiff.Z);
TurretDirection += TurretDiff;
OriginalMousePos = new Vector3(currentMouseState.X, currentMouseState.Y, 0);
if (TurretDirection.X > TurretRightBound) TurretDirection = new Vector3(TurretRightBound, TurretDirection.Y, TurretDirection.Z);
else if (TurretDirection.X < TurretLeftBound) TurretDirection = new Vector3(TurretLeftBound, TurretDirection.Y, TurretDirection.Z);
if (TurretDirection.Y > TurretUpBound) TurretDirection = new Vector3(TurretDirection.X, TurretUpBound, TurretDirection.Z);
else if (TurretDirection.Y < TurretDownBound) TurretDirection = new Vector3(TurretDirection.X, TurretDownBound, TurretDirection.Z);
}
// First, we want to check to see if the tank should turn. turnAmount will
// be an accumulation of all the different possible inputs.
float turnAmount = -currentGamePadState.ThumbSticks.Left.X;
if (currentKeyboardState.IsKeyDown(Keys.A) || currentGamePadState.DPad.Left == ButtonState.Pressed)
{
turnAmount += 5;
}
if (currentKeyboardState.IsKeyDown(Keys.D) || currentGamePadState.DPad.Right == ButtonState.Pressed)
{
turnAmount -= 5;
}
// clamp the turn amount between -1 and 1, and then use the finished
// value to turn the tank.
turnAmount = MathHelper.Clamp(turnAmount, -1, 1);
if (game.currentTank.moves < moveLimit)
facingDirection += turnAmount * TankTurnSpeed;
bool canMove = !TankCollision();
// Next, we want to move the tank forward or back. to do this,
// we'll create a Vector3 and modify use the user's input to modify the Z
// component, which corresponds to the forward direction.
Vector3 movement = Vector3.Zero;
movement.Z = -currentGamePadState.ThumbSticks.Left.Y;
if ((currentKeyboardState.IsKeyDown(Keys.W) || currentGamePadState.DPad.Up == ButtonState.Pressed))
{
if (!canMove)
{
movement.Z = -4;
}
else
{
movement.Z = 1;
game.currentTank.moves++;
}
}
if ((currentKeyboardState.IsKeyDown(Keys.S) || currentGamePadState.DPad.Down == ButtonState.Pressed))
{
if (!canMove)
{
movement.Z = 4;
}
else
{
movement.Z = -1;
game.currentTank.moves++;
}
}
// Next, we'll create a rotation matrix from the direction the tank is
// facing, and use it to transform the vector.
orientation = Matrix.CreateRotationY(FacingDirection);
Vector3 velocity = Vector3.Transform(movement, orientation);
velocity *= TankVelocity;
if (game.currentTank.moves > moveLimit)
velocity = Vector3.Zero;
// Now we know how much the user wants to move. We'll construct a temporary
// vector, newPosition, which will represent where the user wants to go. If
// that value is on the heightmap, we'll allow the move.
Vector3 newPosition = Position + velocity;
if (heightMapInfo.IsOnHeightmap(newPosition))
{
// Now that we know we're on the heightmap, we need to know the correct
// height and normal at this position.
Vector3 normal;
heightMapInfo.GetHeightAndNormal(newPosition,
out newPosition.Y,
out normal);
// As discussed in the doc, we'll use the normal of the heightmap
// and our desired forward direction to recalculate our orientation
// matrix. It's important to normalize, as well.
orientation.Up = normal;
orientation.Right = Vector3.Cross(orientation.Forward, orientation.Up);
orientation.Right = Vector3.Normalize(orientation.Right);
orientation.Forward = Vector3.Cross(orientation.Up, orientation.Right);
orientation.Forward = Vector3.Normalize(orientation.Forward);
// Now we need to roll the tank's wheels "forward." to do this, we'll
// calculate how far they have rolled, and from there calculate how much
// they must have rotated.
float distanceMoved = Vector3.Distance(Position, newPosition);
float theta = distanceMoved / TankWheelRadius;
int rollDirection = movement.Z > 0 ? 1 : -1;
wheelRollMatrix *= Matrix.CreateRotationX(theta * rollDirection);
// once we've finished all computations, we can set our position to the
// new position that we calculated.
position = newPosition;
}
movingInstance.Volume = 0.20f;
movingInstance.Play();
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
public override void LoadContent()
{
graphics = (GraphicsDeviceManager) ScreenManager.Game.Services.GetService(typeof (IGraphicsDeviceManager));
//graphics.ToggleFullScreen();
// Construct our particle system components.
explosionParticles = new ExplosionParticleSystem(ScreenManager.Game, ScreenManager.Game.Content);
explosionSmokeParticles = new ExplosionSmokeParticleSystem(ScreenManager.Game, ScreenManager.Game.Content);
projectileTrailParticles = new ProjectileTrailParticleSystem(ScreenManager.Game, ScreenManager.Game.Content);
smokePlumeParticles = new SmokePlumeParticleSystem(ScreenManager.Game, ScreenManager.Game.Content);
fireParticles = new FireParticleSystem(ScreenManager.Game, ScreenManager.Game.Content);
// Set the draw order so the explosions and fire
// will appear over the top of the smoke.
smokePlumeParticles.DrawOrder = 100;
explosionSmokeParticles.DrawOrder = 200;
projectileTrailParticles.DrawOrder = 300;
explosionParticles.DrawOrder = 400;
fireParticles.DrawOrder = 500;
// Load terrain
terrain = ScreenManager.Game.Content.Load<Model>("terrain/terrain3");
// The terrain processor attached a HeightMapInfo to the terrain model's
// Tag. We'll save that to a member variable now, and use it to
// calculate the terrain's heights later.
heightMapInfo = terrain.Tag as HeightMapInfo;
if (heightMapInfo == null)
{
const string message = "The terrain model did not have a HeightMapInfo " +
"object attached. Are you sure you are using the " +
"TerrainProcessor?";
throw new InvalidOperationException(message);
}
// Load entities
playerOne = new Player(this, "models/rio/rio_1", playerOneName, 1, true) {Position = new Vector3(400, 0, -400)};
ai = new Player(this, "models/rio/rio_2", playerTwoName, 2, true) {Position = new Vector3(200, 0, 200)};
ai.RandomMovementMinimalInterval = 0.01f;
ai.RandomMovementMaximalnInterval = 0.03f;
ai.RandomMovementRotationProbability = 0.3f;
ai.MovesRandomly = true;
surface = new Entity(this, "models/surface/surface", false, true);
surface.Alpha = 0.6f;
surface.MoveInTime = true;
//surface.MaxMovementSpeed = 1.8f;
surface.MovementSpeed = 0.0002f;
surface.Friction = 0.00001f;
surface.RotationX = MathHelper.ToRadians(180f);
surface.Position = new Vector3(0, 500, 0);
surface.IsBoundToHeightMap = false;
Entites.Add(surface);
Entites.Add(PlayerOne);
Entites.Add(ai);
CollideableEntites.Add(PlayerOne);
CollideableEntites.Add(ai);
AddMultipleInstancesOfEntity("models/egg/egg", 2, true, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassBig1", 30, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassBig2", 30, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassBig3", 30, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassBig4", 30, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassSmall1", 50, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassSmall2", 50, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassSmall3", 50, false, true);
//AddMultipleInstancesOfEntity("models/grass/grassSmall4", 50, false, true);
AddMultipleInstancesOfEntity("models/grassBunch/grassBunchSmall1", 80, false, true);
AddMultipleInstancesOfEntity("models/grassBunch/grassBunchSmall2", 80, false, true);
AddMultipleInstancesOfEntity("models/grassBunch/grassBunchSmall3", 80, false, true);
AddMultipleInstancesOfEntity("models/grassBunch/grassBunchBig1", 60, false, true);
AddMultipleInstancesOfEntity("models/grassBunch/grassBunchBig2", 60, false, true);
AddMultipleInstancesOfEntity("models/grassBunch/grassBunchBig3", 60, false, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassBigBlue", 60, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassBigGreen", 60, true, true);
//AddMultipleInstancesOfEntity("models/seaGrass/seaGrassBigPink", 60, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassBigRed", 60, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassBigViolet", 60, true, true);
//AddMultipleInstancesOfEntity("models/seaGrass/seaGrassBigYellow", 60, true, true);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderDorangev1", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderDorangev2", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderDorangev3", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderOrangev1", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderOrangev2", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderOrangev3", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderRedv1", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderRedv2", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinderRedv3", 30, true, true, false, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinder2Pink", 30, false, true, true, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinder2Red", 30, false, true, true, 15);
AddMultipleInstancesOfEntity("models/seaGrassCylinder/seaGrassCylinder2Violet", 30, false, true, true, 15);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassMiddleBlue", 65, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassMiddleGreen", 65, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassMiddleRed", 65, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassMiddleViolet", 65, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassMiddleYellow", 65, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassSmallBlue", 40, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassSmallGreen", 40, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassSmallRed", 40, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassSmallViolet", 40, true, true);
AddMultipleInstancesOfEntity("models/seaGrass/seaGrassSmallYellow", 40, true, true);
AddMultipleInstancesOfEntity("models/star/seaStarSlim", 85, true, true, false, 15, true);
AddMultipleInstancesOfEntity("models/shell/shellOpen", 25, true, true);
AddMultipleInstancesOfEntity("models/shell/shellHalfClose", 25, true, true);
AddMultipleInstancesOfEntity("models/shell/shellClose", 25, true, true);
AddMultipleInstancesOfEntity("models/mussel/musselOpen", 25, true, true);
AddMultipleInstancesOfEntity("models/mussel/musselClose", 25, true, true);
AddMultipleInstancesOfEntity("models/urchin/urchinBlack", 25, true, true);
AddMultipleInstancesOfEntity("models/urchin/urchinRed", 25, true, true);
AddMultipleInstancesOfEntity("models/urchin/urchinWithHairLongBlack", 25, true, true, true, 12, true);
AddMultipleInstancesOfEntity("models/urchin/urchinWithHairLongRed", 25, true, true, true, 12, true);
AddMultipleInstancesOfEntity("models/urchin/urchinWithHairShortBlack", 25, true, true, true, 12, true);
AddMultipleInstancesOfEntity("models/urchin/urchinWithHairShortRed", 25, true, true, true, 12, true);
AddMultipleInstancesOfEntity("models/stone/stone1_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone1_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone1_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone1_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone1_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone1_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone2_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone2_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone2_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone3_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone3_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone3_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone4_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone4_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone4_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone5_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone5_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone5_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone6_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone6_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone6_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone7_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone7_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone7_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone8_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone8_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone8_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone9_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone9_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone9_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone10_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone10_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone10_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone11_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone11_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone11_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone12_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone12_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone12_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone13_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone13_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone13_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone14_tex1", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone14_tex2", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stone14_tex3", 1, true, false, true, 70);
AddMultipleInstancesOfEntity("models/stone/stoneGroup1_tex1", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup1_tex2", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup1_tex3", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup2_tex1", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup2_tex2", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup2_tex3", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup3_tex1", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup3_tex2", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup3_tex3", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup4_tex1", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup4_tex2", 1, true, false, true, 100);
AddMultipleInstancesOfEntity("models/stone/stoneGroup4_tex3", 1, true, false, true, 100);
/**/
// Components registration
bloom = new BloomComponent(ScreenManager.Game);
ScreenManager.Game.Components.Add(bloom);
// Register the particle system components.
ScreenManager.Game.Components.Add(explosionParticles);
ScreenManager.Game.Components.Add(explosionSmokeParticles);
ScreenManager.Game.Components.Add(projectileTrailParticles);
ScreenManager.Game.Components.Add(smokePlumeParticles);
ScreenManager.Game.Components.Add(fireParticles);
// Enable background sound
backgroundSound = ScreenManager.AudioManager.Play3DSound("sound/game_background", true, surface);
spriteBatch = new SpriteBatch(graphics.GraphicsDevice);
//ScreenManager.Game.Content.Load<SpriteFont>("fonts/hudFont");
//ScreenManager.Game.Content.Load<Texture2D>("images/hud");
background = ScreenManager.Game.Content.Load<Texture2D>("images/game/background");
foreach (Entity entity in Entites)
entity.LoadContent();
ScreenManager.Game.ResetElapsedTime();
}
public void setBloomPreset(String presetName)
{
BloomSettings preset = BloomSettings.PresetSettings[0];
foreach (var currentPreset in BloomSettings.PresetSettings)
{
if(currentPreset.Name.Equals(presetName))
{
preset = currentPreset;
break;
}
}
bloom.Settings = preset;
setBloomPresetCleaningTimeout();
}
/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// all content.
/// </summary>
public override void UnloadContent()
{
if (!backgroundSound.IsDisposed)
backgroundSound.Stop(true);
for (int i = ScreenManager.Game.Components.Count - 1; i > 1; i--)
ScreenManager.Game.Components.RemoveAt(i);
foreach (Entity entity in Entites)
entity.UnloadContent();
foreach (Rocket entity in rockets)
entity.UnloadContent();
}
/// <summary>
/// Allows the game to run logic.
/// </summary>
public override void Update(GameTime gameTime, bool otherScreenHasFocus, bool coveredByOtherScreen)
{
/*if(!_fpsCamera)*/ UpdateCamera(gameTime); // colission with player controls
UpdateProjectiles(gameTime);
presetCleanDelay -= gameTime.ElapsedGameTime;
if (!bloom.Settings.Name.Equals(BloomSettings.PresetSettings[0].Name) && presetCleanDelay < TimeSpan.Zero)
{
setBloomPreset("Default");
}
rocketGCDelay -= gameTime.ElapsedGameTime;
if (rocketGCDelay < TimeSpan.Zero)
{
RocketGC();
rocketGCDelay += TimeSpan.FromSeconds(RocketGCInterval);;
}
foreach (Entity entity in Entites)
entity.Update(gameTime, heightMapInfo);
foreach (Rocket entity in rockets)
entity.Update(gameTime, heightMapInfo);
base.Update(gameTime, otherScreenHasFocus, false);
}
protected virtual void OnCollision(Entity entity, GameTime gameTime, HeightMapInfo heightMapInfo)
{
//this._isBlocked = true;
}
public static void placeTrash(
ref List<Trash> trashes, ContentManager Content, Random random, List<ShipWreck> shipWrecks, List<StaticObject> staticObjects, int minX, int maxX, int minZ, int maxZ, GameMode gameMode, float floatHeight, HeightMapInfo heightMapInfo)
{
Vector3 tempCenter;
int xVal, zVal, heightValue; //positionSign
int numTries = 0;
foreach (Trash trash in trashes)
{
//trash.Position = GenerateSurfaceRandomPosition(minX, maxX, minZ, maxZ, random, enemiesAmount, fishAmount, enemies,
// fish, shipWrecks);
do
{
xVal = random.Next(0, 2 * maxX) - maxX;
zVal = random.Next(0, 2 * maxZ) - maxZ;
//if (random.Next(100) % 2 == 0)
// xVal *= -1;
//if (random.Next(100) % 2 == 0)
// zVal *= -1;
heightValue = (int)heightMapInfo.GetHeight(new Vector3(xVal, 0, zVal));
//positionSign = random.Next(4);
//switch (positionSign)
//{
// case 0:
// xVal *= -1;
// break;
// case 1:
// zVal *= -1;
// break;
// case 2:
// xVal *= -1;
// zVal *= -1;
// break;
//}
numTries++;
} while (IsSeaBedPlaceOccupied(xVal, GameConstants.MainGameFloatHeight, zVal, 30, shipWrecks, staticObjects, trashes, null, null) && numTries < GameConstants.MaxNumTries); //no need to check with factories as this funciton is called only at the start of the game when factories are not present.
trash.Position.X = xVal;
trash.Position.Z = zVal;
trash.Position.Y = trash.seaFloorHeight = heightValue;
tempCenter = trash.BoundingSphere.Center;
tempCenter.X = trash.Position.X;
tempCenter.Y = floatHeight;
tempCenter.Z = trash.Position.Z;
trash.BoundingSphere = new BoundingSphere(tempCenter,
trash.BoundingSphere.Radius);
}
}
/// <summary>
/// This function is called when the game is Updating in response to user input.
/// It'll move the tank around the heightmap, and update all of the tank's
/// necessary state.
/// </summary>
public void HandleInput(GamePadState currentGamePadState,
KeyboardState currentKeyboardState, HeightMapInfo heightMapInfo)
{
// First, we want to check to see if the tank should turn. turnAmount will
// be an accumulation of all the different possible inputs.
float turnAmount = -currentGamePadState.ThumbSticks.Left.X;
if (currentKeyboardState.IsKeyDown(Keys.A) ||
//currentKeyboardState.IsKeyDown(Keys.Left) ||
currentGamePadState.DPad.Left == ButtonState.Pressed)
{
//turnAmount += 1;
tank.movement.X = -1;
}
else if (currentKeyboardState.IsKeyDown(Keys.D) ||
//currentKeyboardState.IsKeyDown(Keys.Right) ||
currentGamePadState.DPad.Right == ButtonState.Pressed)
{
//turnAmount -= 1;
tank.movement.X = +1;
}
else
{
tank.movement.X = 0;
}
// clamp the turn amount between -1 and 1, and then use the finished
// value to turn the tank.
turnAmount = MathHelper.Clamp(turnAmount, -1, 1);
float facingDirection = tank.FacingDirection;
facingDirection += turnAmount * TankTurnSpeed;
tank.FacingDirection = facingDirection;
// Next, we want to move the tank forward or back. to do this,
// we'll create a Vector3 and modify use the user's input to modify the Z
// component, which corresponds to the forward direction.
Vector3 movement = Vector3.Zero;
//movement.Z = -currentGamePadState.ThumbSticks.Left.Y;
if (currentKeyboardState.IsKeyDown(Keys.W) ||
//currentKeyboardState.IsKeyDown(Keys.Up) ||
currentGamePadState.DPad.Up == ButtonState.Pressed)
{
tank.movement.Z = -1;
}
else if (currentKeyboardState.IsKeyDown(Keys.S) ||
//currentKeyboardState.IsKeyDown(Keys.Down) ||
currentGamePadState.DPad.Down == ButtonState.Pressed)
{
tank.movement.Z = 1;
}
else
{
tank.movement.Z = 0;
}
if (currentKeyboardState.IsKeyDown(Keys.LeftShift))
{
if(boost != true)
Velocity *= 1.5f;
boost = true;
}
else
{
if (boost == true)
{
boost = false;
Velocity /= 1.5f;
}
}
/*if (currentKeyboardState.IsKeyDown(Keys.Space) && !shot)
{
if(AimEnemy != null)
AimEnemy.ReceiveDamage(UnitTypes.BulletDamage[(int)UnitTypes.PlayerWeaponType.Canon],
tank.ForwardVector);
shot = true;
}
else if (currentKeyboardState.IsKeyUp(Keys.Space))
{
shot = false;
}*/
//tank.Move(facingDirection, movement, heightMapInfo,SteeringForce);
MovePlayer(currentGamePadState, currentKeyboardState, heightMapInfo);
}
/// <summary>
/// This function is called when the game is Updating in response to user input.
/// It'll move the tank around the heightmap, and update all of the tank's
/// necessary state.
/// </summary>
public void Update(float elapsed, float turnAmount, Vector3 movement, HeightMapInfo heightMapInfo, Vector2 turretVector)
{
facingDirection += turnAmount * TankTurnSpeed * elapsed;
// next, we'll create a rotation matrix from the direction the tank is
// facing, and use it to transform the vector.
Vector3 velocity = Vector3.Transform(movement, orientation);
velocity *= TankVelocity;
turretRotationValue = turretVector.X;
cannonRotationValue = turretVector.Y;
// Now we know how much the user wants to move. We'll construct a temporary
// vector, newPosition, which will represent where the user wants to go. If
// that value is on the heightmap, we'll allow the move.
Vector3 newPosition = position + velocity * elapsed;
if (heightMapInfo.IsOnHeightmap(newPosition))
{
// now that we know we're on the heightmap, we need to know the correct
// height and normal at this position.
heightMapInfo.GetHeightAndNormal(newPosition,
out newPosition.Y, out normal);
// As discussed in the doc, we'll use the normal of the heightmap
// and our desired forward direction to recalculate our orientation
// matrix. It's important to normalize, as well.
// now we need to roll the tank's wheels "forward." to do this, we'll
// calculate how far they have rolled, and from there calculate how much
// they must have rotated.
float distanceMoved = Vector3.Distance(position, newPosition);
float theta = distanceMoved / TankWheelRadius;
int rollDirection = movement.Z > 0 ? 1 : -1;
wheelRotationValue += theta * rollDirection;
// once we've finished all computations, we can set our position to the
// new position that we calculated.
position = newPosition;
}
orientation = Matrix.CreateRotationY(FacingDirection);
orientation.Up = normal;
orientation.Right = Vector3.Cross(orientation.Forward, orientation.Up);
orientation.Right = Vector3.Normalize(orientation.Right);
orientation.Forward = Vector3.Cross(orientation.Up, orientation.Right);
orientation.Forward = Vector3.Normalize(orientation.Forward);
}
/// <summary>
/// This function is called when the game is Updating in response to user input.
/// It'll move the tank around the heightmap, and update all of the tank's
/// necessary state.
/// </summary>
public void HandleInput(GamePadState currentGamePadState,
KeyboardState currentKeyboardState, HeightMapInfo heightMapInfo)
{
// First, we want to check to see if the tank should turn. turnAmount will
// be an accumulation of all the different possible inputs.
float turnAmount = -currentGamePadState.ThumbSticks.Left.X;
if (currentKeyboardState.IsKeyDown(Keys.A) ||
currentKeyboardState.IsKeyDown(Keys.Left) ||
currentGamePadState.DPad.Left == ButtonState.Pressed)
{
turnAmount += 1;
}
if (currentKeyboardState.IsKeyDown(Keys.D) ||
currentKeyboardState.IsKeyDown(Keys.Right) ||
currentGamePadState.DPad.Right == ButtonState.Pressed)
{
turnAmount -= 1;
}
// clamp the turn amount between -1 and 1, and then use the finished
// value to turn the tank.
turnAmount = MathHelper.Clamp(turnAmount, -1, 1);
facingDirection += turnAmount * TankTurnSpeed;
// Next, we want to move the tank forward or back. to do this,
// we'll create a Vector3 and modify use the user's input to modify the Z
// component, which corresponds to the forward direction.
Vector3 movement = Vector3.Zero;
movement.Z = -currentGamePadState.ThumbSticks.Left.Y;
if (currentKeyboardState.IsKeyDown(Keys.W) ||
currentKeyboardState.IsKeyDown(Keys.Up) ||
currentGamePadState.DPad.Up == ButtonState.Pressed)
{
movement.Z = -1;
}
if (currentKeyboardState.IsKeyDown(Keys.S) ||
currentKeyboardState.IsKeyDown(Keys.Down) ||
currentGamePadState.DPad.Down == ButtonState.Pressed)
{
movement.Z = 1;
}
// next, we'll create a rotation matrix from the direction the tank is
// facing, and use it to transform the vector.
orientation = Matrix.CreateRotationY(FacingDirection);
Vector3 velocity = Vector3.Transform(movement, orientation);
velocity *= TankVelocity;
// Now we know how much the user wants to move. We'll construct a temporary
// vector, newPosition, which will represent where the user wants to go. If
// that value is on the heightmap, we'll allow the move.
Vector3 newPosition = Position + velocity;
if (heightMapInfo.IsOnHeightmap(newPosition))
{
// now that we know we're on the heightmap, we need to know the correct
// height and normal at this position.
Vector3 normal;
heightMapInfo.GetHeightAndNormal(newPosition,
out newPosition.Y, out normal);
// As discussed in the doc, we'll use the normal of the heightmap
// and our desired forward direction to recalculate our orientation
// matrix. It's important to normalize, as well.
orientation.Up = normal;
orientation.Right = Vector3.Cross(orientation.Forward, orientation.Up);
orientation.Right = Vector3.Normalize(orientation.Right);
orientation.Forward = Vector3.Cross(orientation.Up, orientation.Right);
orientation.Forward = Vector3.Normalize(orientation.Forward);
// now we need to roll the tank's wheels "forward." to do this, we'll
// calculate how far they have rolled, and from there calculate how much
// they must have rotated.
float distanceMoved = Vector3.Distance(Position, newPosition);
float theta = distanceMoved / TankWheelRadius;
int rollDirection = movement.Z > 0 ? 1 : -1;
wheelRollMatrix *= Matrix.CreateRotationX(theta * rollDirection);
// once we've finished all computations, we can set our position to the
// new position that we calculated.
position = newPosition;
}
}
public void FixGravity(HeightMapInfo heightMapInfo)
{
Vector3 newPosition = Position;
if (heightMapInfo.IsOnHeightmap(newPosition))
{
// now that we know we're on the heightmap, we need to know the correct
// height and normal at this position.
Vector3 normal;
heightMapInfo.GetHeightAndNormal(newPosition,
out newPosition.Y,
out normal);
// As discussed in the doc, we'll use the normal of the heightmap
// and our desired forward direction to recalculate our orientation
// matrix. It's important to normalize, as well.
orientation.Up = normal;
orientation.Right = Vector3.Cross(orientation.Forward, orientation.Up);
orientation.Right = Vector3.Normalize(orientation.Right);
orientation.Forward = Vector3.Cross(orientation.Up, orientation.Right);
orientation.Forward = Vector3.Normalize(orientation.Forward);
// Once we've finished all computations, we can set our position to the
// new position that we calculated.
position = newPosition;
}
}
public HeightMapObject(HeightMapInfo heightMapInfo, Vector2 shift)
: base()
{
Setup(heightMapInfo, shift);
}
public HeightMapObject(HeightMapInfo heightMapInfo, Vector2 shift, GameScreen parent)
: base(parent)
{
Setup(heightMapInfo, shift);
}
protected void MoveBack(GameTime gameTime, HeightMapInfo heightMapInfo)
{
Stop(gameTime);
Decellerate(gameTime);
ComputeSpeed(gameTime);
AdjustToHeightMap(gameTime, heightMapInfo);
Stop(gameTime);
UpdateBoundingSphere();
}
