public override void Update(GameTime gameTime)
{
var time = (float)gameTime.TotalGameTime.TotalSeconds;
/*move forward if W is pressed. takes the directional vector of current position and current target, normalize it, and move the currentPosition and Target that amount.
* Note: shifting currentTarget also to make sure we didn't go past the target*/
if (((Project1Game)this.game).keyboardState.IsKeyDown(SharpDX.Toolkit.Input.Keys.W))
{
Vector3 temp = (currentTarget - currentPosition);
temp.Normalize();
if (currentPosition.Y > waterHeight)
{
temp *= 2; //move slower if underwater (cuz Mat said so)
}
currentPosition += temp;
if (currentPosition.X < 0 || currentPosition.Y < Terrain.get((int)currentPosition.X, (int)currentPosition.Z) || currentPosition.Z < 0 || currentPosition.X < 0 ||
currentPosition.X > Terrain.max || currentPosition.Z > Terrain.max ||
currentPosition.Y < Terrain.get((int)(currentPosition.X - 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z - 1)) ||
currentPosition.Y < Terrain.get((int)(currentPosition.X + 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z + 1)))
{
currentPosition -= temp;
}
else
{
currentTarget += temp;
}
}
/*move backward if S is pressed. takes the negative directional vector of current position and current target, normalize it, and move the currentPosition that amount.
* Note: shifting currentTarget also to make sure we didn't go past the target*/
if (((Project1Game)this.game).keyboardState.IsKeyDown(SharpDX.Toolkit.Input.Keys.S))
{
Vector3 temp = (currentPosition - currentTarget);
temp.Normalize();
if (currentPosition.Y > waterHeight)
{
temp *= 2; //move slower if underwater (cuz Mat said so)
}
currentPosition += temp;
if (currentPosition.X < 0 || currentPosition.Y < Terrain.get((int)currentPosition.X, (int)currentPosition.Z) || currentPosition.Z < 0 ||
currentPosition.X > Terrain.max || currentPosition.Z > Terrain.max ||
currentPosition.Y < Terrain.get((int)(currentPosition.X - 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z - 1)) ||
currentPosition.Y < Terrain.get((int)(currentPosition.X + 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z + 1)))
{
currentPosition -= temp;
}
else
{
currentTarget += temp;
}
}
/*move left if A is pressed. takes the cross product of current position and current target based on right hand rule, normalize it, and move the currentPosition that amount.
* Note: shifting currentTarget to make sure we're facing the same direction*/
if (((Project1Game)this.game).keyboardState.IsKeyDown(SharpDX.Toolkit.Input.Keys.A))
{
Vector3 temp = Vector3.Cross((currentTarget - currentPosition), currentUp);
temp.Normalize();
if (currentPosition.Y > waterHeight)
{
temp *= 2; //move slower if underwater (cuz Mat said so)
}
currentPosition += temp;
if (currentPosition.X < 0 || currentPosition.Y < Terrain.get((int)currentPosition.X, (int)currentPosition.Z) || currentPosition.Z < 0 ||
currentPosition.X > Terrain.max || currentPosition.Z > Terrain.max ||
currentPosition.Y < Terrain.get((int)(currentPosition.X - 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z - 1)) ||
currentPosition.Y < Terrain.get((int)(currentPosition.X + 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z + 1)))
{
currentPosition -= temp;
}
else
{
currentTarget += temp;
}
}
/*move right if D is pressed. takes the cross product of current position and current target based on right hand rule, normalize it, and move the currentPosition that amount.
* Note: shifting currentTarget to make sure we're facing the same direction*/
if (((Project1Game)this.game).keyboardState.IsKeyDown(SharpDX.Toolkit.Input.Keys.D))
{
Vector3 temp = Vector3.Cross(currentUp, (currentTarget - currentPosition));
temp.Normalize();
if (currentPosition.Y > waterHeight)
{
temp *= 2; //move slower if underwater (cuz Mat said so)
}
currentPosition += temp;
if (currentPosition.X < 0 || currentPosition.Y < Terrain.get((int)currentPosition.X, (int)currentPosition.Z) || currentPosition.Z < 0 ||
currentPosition.X > Terrain.max || currentPosition.Z > Terrain.max ||
currentPosition.Y < Terrain.get((int)(currentPosition.X - 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z - 1)) ||
currentPosition.Y < Terrain.get((int)(currentPosition.X + 1), (int)(currentPosition.Z)) || currentPosition.Y < Terrain.get((int)(currentPosition.X), (int)(currentPosition.Z + 1)))
{
currentPosition -= temp;
}
else
{
currentTarget += temp;
}
}
float Yaw = ((float)Math.PI * 2 * (((Project1Game)this.game).mouseState.X - prevMouseX));
prevMouseX = ((Project1Game)this.game).mouseState.X;
float Pitch = (float)Math.PI * (((Project1Game)this.game).mouseState.Y - prevMouseY);
prevMouseY = ((Project1Game)this.game).mouseState.Y;
float Roll = 0.0f;
if (((Project1Game)this.game).keyboardState.IsKeyDown(SharpDX.Toolkit.Input.Keys.Q))
{
Roll += 0.1f;
}
if (((Project1Game)this.game).keyboardState.IsKeyDown(SharpDX.Toolkit.Input.Keys.E))
{
Roll -= 0.1f;
}
Matrix translation = Matrix.RotationYawPitchRoll(Yaw, Pitch, 0);
currentTarget = Vector3.TransformCoordinate(currentTarget, translation);
translation = Matrix.RotationYawPitchRoll(0, 0, Roll);
currentUp = Vector3.TransformCoordinate(currentUp, translation);
basicEffect.View = Matrix.LookAtLH(currentPosition, currentTarget, currentUp);
basicEffect.Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)game.GraphicsDevice.BackBuffer.Width / game.GraphicsDevice.BackBuffer.Height, 0.1f, (float)Terrain.size * 2);
lightRotationOffset = .01f;
lightRotation = Matrix.RotationZ(lightRotationOffset);
basicEffect.DirectionalLight0.Direction = Vector3.TransformCoordinate(basicEffect.DirectionalLight0.Direction, lightRotation);
basicEffect.DirectionalLight1.Direction = Vector3.TransformCoordinate(basicEffect.DirectionalLight1.Direction, lightRotation);
basicEffect.DirectionalLight2.Direction = Vector3.TransformCoordinate(basicEffect.DirectionalLight2.Direction, lightRotation);
}
public Landscape(Game game)
{
Terrain = new HeightMap(10);
terrain3D = new VertexPositionNormalColor[Terrain.max * Terrain.max * 6 + 12];
int index = 0;
for (int z = 0; z < Terrain.max; z++)
{
for (int x = 0; x < Terrain.max; x++)
{
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z), z), Terrain.getVertexNormal(x, z), Terrain.getColor(x, z));
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z + 1), z + 1), Terrain.getVertexNormal(x, z + 1), Terrain.getColor(x, z + 1));
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z + 1), z + 1), Terrain.getVertexNormal(x + 1, z + 1), Terrain.getColor(x + 1, z + 1));
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z), z), Terrain.getVertexNormal(x, z), Terrain.getColor(x, z));
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z + 1), z + 1), Terrain.getVertexNormal(x + 1, z + 1), Terrain.getColor(x + 1, z + 1));
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z), z), Terrain.getVertexNormal(x + 1, z), Terrain.getColor(x + 1, z));
index++;
}
}
Color blue = Color.MidnightBlue;
blue.A = 0xC0;
waterHeight = 0.695f * Terrain.maxHeight;
//Set Water Polygons
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
//water from the bottom
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
//initialized here because I wanted the terrain details to place the initial position/target.
currentPosition = new Vector3(0.0f, Terrain.maxHeight, 0.0f); //start on corner of map at highest point of terrain
currentTarget = new Vector3(Terrain.max, Terrain.maxHeight, Terrain.max); //looking across to other corner (same height)
currentUp = Vector3.UnitY;
prevMouseX = 0.5f;
prevMouseY = 0.5f;
vertices = Buffer.Vertex.New(game.GraphicsDevice, terrain3D);
basicEffect = new BasicEffect(game.GraphicsDevice)
{
VertexColorEnabled = true,
View = Matrix.LookAtLH(currentPosition, currentTarget, currentUp),
Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)game.GraphicsDevice.BackBuffer.Width / game.GraphicsDevice.BackBuffer.Height, -10.0f, (float)Terrain.size * 2),
World = Matrix.Identity,
LightingEnabled = true
};
inputLayout = VertexInputLayout.FromBuffer(0, vertices);
basicEffect.EnableDefaultLighting();
basicEffect.AmbientLightColor = new Vector3(.1f * 255 / 255, .1f * 244 / 255, .1f * 229 / 255);
this.game = game;
}
public Landscape(Game game)
{
Terrain = new HeightMap(10);
terrain3D = new VertexPositionNormalColor[Terrain.max * Terrain.max * 6 + 12];
int index = 0;
for (int z = 0; z < Terrain.max; z++)
{
for (int x = 0; x < Terrain.max; x++)
{
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x,z), z), Terrain.getVertexNormal(x,z) , Terrain.getColor(x,z));
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z + 1), z + 1), Terrain.getVertexNormal(x, z + 1), Terrain.getColor(x, z+1));
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z + 1), z + 1), Terrain.getVertexNormal(x + 1, z + 1), Terrain.getColor(x+1, z+1));
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z), z), Terrain.getVertexNormal(x, z), Terrain.getColor(x, z));
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z + 1), z + 1), Terrain.getVertexNormal(x + 1, z + 1), Terrain.getColor(x+1, z+1));
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z), z), Terrain.getVertexNormal(x + 1, z), Terrain.getColor(x+1, z));
index++;
}
}
Color blue = Color.MidnightBlue;
blue.A = 0xC0;
waterHeight = 0.695f * Terrain.maxHeight;
//Set Water Polygons
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
//water from the bottom
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
//initialized here because I wanted the terrain details to place the initial position/target.
currentPosition = new Vector3(0.0f, Terrain.maxHeight, 0.0f); //start on corner of map at highest point of terrain
currentTarget = new Vector3(Terrain.max, Terrain.maxHeight, Terrain.max); //looking across to other corner (same height)
currentUp = Vector3.UnitY;
prevMouseX = 0.5f;
prevMouseY = 0.5f;
vertices = Buffer.Vertex.New(game.GraphicsDevice, terrain3D);
basicEffect = new BasicEffect(game.GraphicsDevice)
{
VertexColorEnabled = true,
View = Matrix.LookAtLH(currentPosition, currentTarget, currentUp),
Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)game.GraphicsDevice.BackBuffer.Width / game.GraphicsDevice.BackBuffer.Height, -10.0f, (float)Terrain.size * 2),
World = Matrix.Identity,
LightingEnabled = true
};
inputLayout = VertexInputLayout.FromBuffer(0, vertices);
basicEffect.EnableDefaultLighting();
basicEffect.AmbientLightColor = new Vector3(.1f * 255/255, .1f * 244/255, .1f * 229/255);
this.game = game;
}
