public void GetObjectPositionOnWater(ObjectGeometry obj, WaterShader shader)
{
PositionNormal p11 = new PositionNormal();
PositionNormal p12 = new PositionNormal();
PositionNormal p13 = new PositionNormal();
PositionNormal p21 = new PositionNormal();
PositionNormal p22 = new PositionNormal();
PositionNormal p23 = new PositionNormal();
PositionNormal p31 = new PositionNormal();
PositionNormal p32 = new PositionNormal();
PositionNormal p33 = new PositionNormal();
Vector3 position = obj.ModelMatrix.Translation;
position.Y = 20;
p11.Position = CalculatePosition(Vector3.Transform(position + new Vector3(-5, 0, 5), obj.RotationMatrix), shader);
p12.Position = CalculatePosition(Vector3.Transform(position + new Vector3(0, 0, 5), obj.RotationMatrix), shader);
p13.Position = CalculatePosition(Vector3.Transform(position + new Vector3(5, 0, 5), obj.RotationMatrix), shader);
p21.Position = CalculatePosition(Vector3.Transform(position + new Vector3(-5, 0, 0), obj.RotationMatrix), shader);
p22.Position = CalculatePosition(Vector3.Transform(position + new Vector3(0, 0, 0), obj.RotationMatrix), shader);
p23.Position = CalculatePosition(Vector3.Transform(position + new Vector3(5, 0, 0), obj.RotationMatrix), shader);
p31.Position = CalculatePosition(Vector3.Transform(position + new Vector3(-5, 0, -5), obj.RotationMatrix), shader);
p32.Position = CalculatePosition(Vector3.Transform(position + new Vector3(0, 0, -5), obj.RotationMatrix), shader);
p33.Position = CalculatePosition(Vector3.Transform(position + new Vector3(5, 0, -5), obj.RotationMatrix), shader);
CalculateNormal(p11, p22, p23);
CalculateNormal(p11, p12, p23);
CalculateNormal(p12, p22, p23);
CalculateNormal(p12, p13, p23);
CalculateNormal(p21, p31, p32);
CalculateNormal(p21, p22, p32);
CalculateNormal(p22, p32, p33);
CalculateNormal(p22, p23, p33);
obj.Translate(new Vector3(position.X,p22.Position.Y,position.Z));
obj.Update();
obj.UpVector = p22.Normal;
obj.RightVector = Vector3.Cross(obj.ForwardVector, obj.UpVector);
obj.RightVector = Vector3.Normalize(obj.RightVector);
obj.ForwardVector = Vector3.Cross(obj.UpVector, obj.RightVector);
obj.ForwardVector = Vector3.Normalize(obj.ForwardVector);
}
private Vector3 CalculatePosition(Vector3 position, WaterShader shader)
{
Vector3 P = position;
for (int i = 0; i < 24; i += 6)
{
float A = shader.Waves[i] * shader.Waves[i + 3];
float omega = 2.0f * 3.14f / shader.Waves[i];
float phi = shader.Waves[i + 2] * omega;
float Qi = shader.Waves[i + 1] / (omega * A * 4.0f);
Vector2 a = new Vector2(shader.Waves[i + 4], shader.Waves[i + 5]);
Vector2 b = new Vector2(position.X, position.Z);
float term = omega * Vector2.Dot(a, b) + phi * shader.Time;
float C = (float)Math.Cos(term);
float S = (float)Math.Sin(term);
P += new Vector3(Qi * A * shader.Waves[i + 4] * C, A * S * 10, i * A * shader.Waves[i + 5] * C);
}
return P;
}
public TerrainScreen()
{
camera = new FirstPersonCamera(new Vector3(867, 198, -1215));
projectionMatrix = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, aspectRatio, 1, 10000);
islandShader = new MultiTextured();
{
islandShader.ProjectionMatrix = projectionMatrix;
islandShader.ViewMatrix = camera.View;
islandShader.InitParameters();
}
mvpshader = new JustMvp();
{
mvpshader.ProjectionMatrix = projectionMatrix;
mvpshader.ViewMatrix = camera.View;
mvpshader.InitParameters();
}
shipShader = new BasicEffect(BaseClass.Device);
{
shipShader.Projection = projectionMatrix;
shipShader.View = camera.View;
}
scatteringShader = new Scattaring();
{
scatteringShader.ProjectionMatrix = projectionMatrix;
scatteringShader.ViewMatrix = camera.View;
scatteringShader.InitParameters();
}
waterShader = new WaterShader();
{
waterShader.ProjectionMatrix = projectionMatrix;
waterShader.ViewMatrix = camera.View;
waterShader.InitParameters();
}
cloudShader = new CloudShader();
{
cloudShader.ProjectionMatrix = projectionMatrix;
cloudShader.ViewMatrix = camera.View;
cloudShader.InitParameters();
}
rainShader = new RainShader();
{
rainShader.ProjectionMatrix = projectionMatrix;
rainShader.ViewMatrix = camera.View;
rainShader.InitParameters();
}
rainDropsShader = new RainDropsShader();
{
rainDropsShader.InitParameters();
}
fogShader = new Pirates.Shaders.Fog();
{
fogShader.InitParameters();
}
rs = new RasterizerState();
rs.CullMode = CullMode.None;
//rs.FillMode = FillMode.WireFrame;
cloudManager = new CloudManager();
rainManager = new RainManager();
Vector3 minBox = new Vector3(-5000f, 300f, -5000f);
Vector3 maxBox = new Vector3(5000f, 1500f, 5000f);
int[] allCloudSprites = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
cloudManager.AddCloud(1000, minBox, maxBox, 0.75f, allCloudSprites);
cloudManager.Instancer.Update();
minBox = new Vector3(-800, 320f, -800f);
maxBox = new Vector3(800f, 0f, 800f);
rainManager.AddDrop(250000, minBox, maxBox);
cloudManager.Instancer.Update();
island = new Terrain("island4", 10, 1);
water = new Terrain("map2", 30, 1);
water.Translate(0, 40, 0);
water.Update();
reflectionPlane = CreatePlane(40, new Vector3(0, -1, 0), true);
reflectionMatrix = Matrix.CreateReflection(reflectionPlane);
skydome = new ObjectSkydome(scatteringShader);
skydome.Scale(3200);
skydome.Rotate(-90, new Vector3(1, 0, 0));
skydome.Update();
Wind.Direction = MathFunctions.AngleToVector(45);
//Wind.Force = 1000000f;
ship = new ObjectShip();
ship.Translate(-288, 20, -486);
ship.Update();
ship.Physics = new ObjectPhysics(50, ship.ModelMatrix);
if (island.IsOnHeightmap(ship.ModelMatrix.Translation))
{
ship.Physics.material = MaterialType.Island;
island.ColisionWithTerrain(ship);
}
else
{
ship.Physics.material = MaterialType.Water;
water.GetObjectPositionOnWater(ship, waterShader);
}
}
public TerrainScreen(SerializationInfo info, StreamingContext ctxt)
{
this.camera = (FirstPersonCamera)info.GetValue("Camera", typeof(FirstPersonCamera));
this.aspectRatio = (float)info.GetValue("AspectRatio", typeof(float));
this.projectionMatrix = (Matrix)info.GetValue("ProjectionMatrix", typeof(Matrix));
this.rs = new RasterizerState();
islandShader = new MultiTextured();
{
islandShader.ProjectionMatrix = projectionMatrix;
islandShader.ViewMatrix = camera.View;
islandShader.InitParameters();
}
mvpshader = new JustMvp();
{
mvpshader.ProjectionMatrix = projectionMatrix;
mvpshader.ViewMatrix = camera.View;
mvpshader.InitParameters();
}
scatteringShader = new Scattaring();
{
scatteringShader.ProjectionMatrix = projectionMatrix;
scatteringShader.ViewMatrix = camera.View;
scatteringShader.InitParameters();
}
waterShader = new WaterShader();
{
waterShader.ProjectionMatrix = projectionMatrix;
waterShader.ViewMatrix = camera.View;
waterShader.InitParameters();
}
rs = new RasterizerState();
rs.CullMode = CullMode.None;
rs.FillMode = FillMode.WireFrame;
island = new Terrain("island4", 2, 1);
water = new Terrain("map2", 1, 1);
water.Translate(0, 30, 0);
water.Update();
DepthStencilState depthStencilState = new DepthStencilState();
depthStencilState.DepthBufferFunction = CompareFunction.LessEqual;
BaseClass.Device.DepthStencilState = depthStencilState;
}