//Create an offset in node and face arrays
void moveNodesInArray(int offset)
{
WaterNode[] newArr = new WaterNode[nodes.Length];
for (int i = 0; i < nodes.Length; i++)
{
int index = (i - offset) % nodes.Length;
if (index < 0)
{
index = nodes.Length + index;
}
newArr[index] = nodes[i];
}
nodes = newArr;
Mesh[] meshArr = new Mesh[meshes.Length];
GameObject[] meshObjectsArr = new GameObject[meshes.Length];
for (int i = 0; i < meshes.Length; i++)
{
int index = (i - offset) % meshes.Length;
if (index < 0)
{
index = meshes.Length + index;
}
meshArr[index] = meshes[i];
meshObjectsArr[index] = meshObjects[i];
}
meshes = meshArr;
meshObjects = meshObjectsArr;
}
// OnUnload() is called when the GameObject is removed from the IGameObjectService.
protected override void OnUnload()
{
// Remove model and rigid body.
_waterNode.Parent.Children.Remove(_waterNode);
_waterNode.Dispose(false);
_waterNode = null;
}
public void InitializeWater()
{
int edgeCount = Mathf.RoundToInt(width) * 5;
int nodeCount = edgeCount + 1;
waterSurface = gameObject.AddComponent <EdgeCollider2D> ();
//waterSurface.points = new Vector2 [nodeCount];
waterSurface.isTrigger = true;
waterSurface.points = new Vector2 [] { new Vector2(-width / 2f, baseHeight), new Vector2(width / 2f, baseHeight) };
foamLine = GetComponent <LineRenderer> ();
waterNodes = new WaterNode [nodeCount];
foamLine.positionCount = nodeCount;
for (int i = 0; i < nodeCount; i++)
{
waterNodes [i] = new WaterNode(new Vector2((-width / 2f) + width * i / edgeCount, baseHeight), 0, 0);
foamLine.SetPosition(i, transform.TransformPoint(waterNodes [i].Position));
}
mesh = new Mesh();
Vector3 [] vertices = new Vector3 [nodeCount * 2];
Vector2 [] UVs = new Vector2 [nodeCount * 2];
int [] tris = new int [(vertices.Length - 1) * 3];
int triangleIndex = 0;
for (int i = 0; i < nodeCount - 1; i++)
{
vertices [i] = waterNodes [i].Position;
vertices [i + 1] = waterNodes [i + 1].Position;
vertices [i + nodeCount] = new Vector3(waterNodes [i].Position.x, 0);
vertices [i + 1 + nodeCount] = new Vector3(waterNodes [i + 1].Position.x, 0);
UVs [i] = new Vector2((float)i / nodeCount, 1);
UVs [i + 1] = new Vector2((float)(i + 1) / nodeCount, 1);
UVs [i + nodeCount] = new Vector2((float)i / nodeCount, 0);
UVs [i + nodeCount + 1] = new Vector2((float)(i + 1) / nodeCount, 0);
tris [triangleIndex++] = i;
tris [triangleIndex++] = i + nodeCount + 1;
tris [triangleIndex++] = i + nodeCount;
tris [triangleIndex++] = i + nodeCount + 1;
tris [triangleIndex++] = i;
tris [triangleIndex++] = i + 1;
}
mesh.vertices = vertices;
mesh.uv = UVs;
mesh.triangles = tris;
GetComponent <MeshFilter> ().mesh = mesh;
}
public void UpdateSubmesh(IGraphicsService graphicsService, WaterNode node)
{
if (node.Volume == null)
{
return;
}
// We have to update the submesh if it is null or disposed.
// Submesh == null --> Update
// Submesh != null && VertexBuffer.IsDisposed --> Update
// Submesh != null && VertexBuffer == null --> This is the EmptyShape. No updated needed.
if (Submesh == null || (Submesh.VertexBuffer != null && Submesh.VertexBuffer.IsDisposed))
{
ShapeMeshCache.GetMesh(graphicsService, node.Volume, out Submesh, out SubmeshMatrix);
}
}
protected override void OnLoad()
{
var scene = (Scene)_services.GetInstance <IScene>();
var content = _services.GetInstance <ContentManager>();
// Define the appearance of the water.
var waterOcean = new Water
{
SpecularColor = new Vector3F(20f),
SpecularPower = 500,
NormalMap0 = null,
NormalMap1 = null,
RefractionDistortion = 0.1f,
ReflectionColor = new Vector3F(0.2f),
RefractionColor = new Vector3F(0.6f),
//UnderwaterFogDensity = new Vector3F(1, 0.8f, 0.6f),
//WaterColor = new Vector3F(0.2f, 0.4f, 0.5f),
UnderwaterFogDensity = new Vector3F(12, 8, 8) * 0.02f,
WaterColor = new Vector3F(60, 30, 19) * 0.002f,
// Water is scattered in high waves and this makes the wave crests brighter.
// ScatterColor defines the intensity of this effect.
ScatterColor = new Vector3F(0.05f, 0.1f, 0.1f),
// Foam is automatically rendered where the water intersects geometry and
// where wave are high.
FoamMap = content.Load <Texture2D>("Water/Foam"),
FoamMapScale = 5,
FoamColor = new Vector3F(1),
FoamCrestMin = 0.3f,
FoamCrestMax = 0.8f,
// Approximate underwater caustics are computed in real-time from the waves.
CausticsSampleCount = 0,
CausticsIntensity = 3,
CausticsPower = 100,
};
// If we do not specify a shape in the WaterNode constructor, we get an infinite
// water plane.
_waterNode = new WaterNode(waterOcean, null)
{
PoseWorld = new Pose(new Vector3F(0, -100, 0)),
SkyboxReflection = scene.GetDescendants().OfType <SkyboxNode>().First(),
// ExtraHeight must be set to a value greater than the max. wave height.
ExtraHeight = 2,
};
scene.Children.Add(_waterNode);
// OceanWaves can be set to displace water surface using a displacement map.
// The displacement map is computed by the WaterWaveRenderer (see DeferredGraphicsScreen)
// using FFT and a statistical ocean model.
_waterNode.Waves = new OceanWaves
{
TextureSize = 256,
HeightScale = 0.008f,
Wind = new Vector3F(10, 0, 10),
Directionality = 1,
Choppiness = 1,
TileSize = 20,
EnableCpuQueries = false,
};
CreateGuiControls();
}
void createNode(int i)
{
nodes[i] = new WaterNode(leftPosition + WIDTH * i / edgeCount, TOP_POSITION);
}
public OceanSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
_graphicsScreen = new DeferredGraphicsScreen(Services);
_graphicsScreen.DrawReticle = true;
GraphicsService.Screens.Insert(0, _graphicsScreen);
GameObjectService.Objects.Add(new DeferredGraphicsOptionsObject(Services));
Services.Register(typeof(DebugRenderer), null, _graphicsScreen.DebugRenderer);
Services.Register(typeof(IScene), null, _graphicsScreen.Scene);
// Add gravity and damping to the physics Simulation.
Simulation.ForceEffects.Add(new Gravity());
Simulation.ForceEffects.Add(new Damping());
// Add a custom game object which controls the camera.
var cameraGameObject = new CameraObject(Services);
GameObjectService.Objects.Add(cameraGameObject);
_graphicsScreen.ActiveCameraNode = cameraGameObject.CameraNode;
// More standard objects.
GameObjectService.Objects.Add(new GrabObject(Services));
GameObjectService.Objects.Add(new ObjectCreatorObject(Services));
//GameObjectService.Objects.Add(new StaticSkyObject(Services));
var dynamicSkyObject = new DynamicSkyObject(Services, true, false, true);
GameObjectService.Objects.Add(dynamicSkyObject);
// Add an island model.
GameObjectService.Objects.Add(new StaticObject(Services, "Island/Island", new Vector3F(30), new Pose(new Vector3F(0, 0.75f, 0)), true, true));
GameObjectService.Objects.Add(new DynamicObject(Services, 1));
GameObjectService.Objects.Add(new DynamicObject(Services, 2));
GameObjectService.Objects.Add(new DynamicObject(Services, 5));
GameObjectService.Objects.Add(new DynamicObject(Services, 6));
GameObjectService.Objects.Add(new DynamicObject(Services, 7));
GameObjectService.Objects.Add(new FogObject(Services)
{
AttachToCamera = true
});
// The LavaBalls class controls all lava ball instances.
var lavaBalls = new LavaBallsObject(Services);
GameObjectService.Objects.Add(lavaBalls);
// Add a few palm trees.
Random random = new Random(12345);
for (int i = 0; i < 20; i++)
{
Vector3F position = new Vector3F(random.NextFloat(-7, 4), 0, random.NextFloat(13, 18));
Matrix33F orientation = Matrix33F.CreateRotationY(random.NextFloat(0, ConstantsF.TwoPi));
float scale = random.NextFloat(0.8f, 1.2f);
GameObjectService.Objects.Add(new StaticObject(Services, "PalmTree/palm_tree", scale, new Pose(position, orientation)));
}
// Define the appearance of the water.
var waterOcean = new Water
{
SpecularColor = new Vector3F(20f),
SpecularPower = 500,
NormalMap0 = null,
NormalMap1 = null,
RefractionDistortion = 0.1f,
ReflectionColor = new Vector3F(0.2f),
RefractionColor = new Vector3F(0.6f),
// Water is scattered in high waves and this makes the wave crests brighter.
// ScatterColor defines the intensity of this effect.
ScatterColor = new Vector3F(0.05f, 0.1f, 0.1f),
// Foam is automatically rendered where the water intersects geometry and
// where wave are high.
FoamMap = ContentManager.Load <Texture2D>("Water/Foam"),
FoamMapScale = 5,
FoamColor = new Vector3F(1),
FoamCrestMin = 0.3f,
FoamCrestMax = 0.8f,
// Approximate underwater caustics are computed in real-time from the waves.
CausticsSampleCount = 3,
CausticsIntensity = 3,
CausticsPower = 100,
};
// If we do not specify a shape in the WaterNode constructor, we get an infinite
// water plane.
_waterNode = new WaterNode(waterOcean, null)
{
PoseWorld = new Pose(new Vector3F(0, 0.5f, 0)),
SkyboxReflection = _graphicsScreen.Scene.GetDescendants().OfType <SkyboxNode>().First(),
// ExtraHeight must be set to a value greater than the max. wave height.
ExtraHeight = 2,
};
_graphicsScreen.Scene.Children.Add(_waterNode);
// OceanWaves can be set to displace water surface using a displacement map.
// The displacement map is computed by the WaterWaveRenderer (see DeferredGraphicsScreen)
// using FFT and a statistical ocean model.
_waterNode.Waves = new OceanWaves
{
TextureSize = 256,
HeightScale = 0.004f,
Wind = new Vector3F(10, 0, 10),
Directionality = 1,
Choppiness = 1,
TileSize = 20,
// If we enable CPU queries, we can call OceanWaves.GetDisplacement()
// (see Update() method below).
EnableCpuQueries = true,
};
// Optional: Use a planar reflection instead of the skybox reflection.
// We add a PlanarReflectionNode as a child of the WaterNode.
var renderToTexture = new RenderToTexture
{
Texture = new RenderTarget2D(GraphicsService.GraphicsDevice, 512, 512, false, SurfaceFormat.HdrBlendable, DepthFormat.None),
};
var planarReflectionNode = new PlanarReflectionNode(renderToTexture)
{
Shape = _waterNode.Shape,
NormalLocal = new Vector3F(0, 1, 0),
IsEnabled = false,
};
_waterNode.PlanarReflection = planarReflectionNode;
_waterNode.Children = new SceneNodeCollection(1)
{
planarReflectionNode
};
// To let rigid bodies swim, we add a Buoyancy force effect. This force effect
// computes buoyancy of a flat water surface.
Simulation.ForceEffects.Add(new Buoyancy
{
Surface = new Plane(new Vector3F(0, 1, 0), _waterNode.PoseWorld.Position.Y),
Density = 1500,
AngularDrag = 0.3f,
LinearDrag = 3,
});
}
public WaterSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
_graphicsScreen = new DeferredGraphicsScreen(Services);
_graphicsScreen.DrawReticle = true;
GraphicsService.Screens.Insert(0, _graphicsScreen);
GameObjectService.Objects.Add(new DeferredGraphicsOptionsObject(Services));
Services.Register(typeof(DebugRenderer), null, _graphicsScreen.DebugRenderer);
Services.Register(typeof(IScene), null, _graphicsScreen.Scene);
// Add gravity and damping to the physics Simulation.
Simulation.ForceEffects.Add(new Gravity());
Simulation.ForceEffects.Add(new Damping());
// Add a custom game object which controls the camera.
var cameraGameObject = new CameraObject(Services);
GameObjectService.Objects.Add(cameraGameObject);
_graphicsScreen.ActiveCameraNode = cameraGameObject.CameraNode;
// More standard objects.
GameObjectService.Objects.Add(new GrabObject(Services));
GameObjectService.Objects.Add(new ObjectCreatorObject(Services));
//GameObjectService.Objects.Add(new StaticSkyObject(Services));
var dynamicSkyObject = new DynamicSkyObject(Services, true, false, true);
GameObjectService.Objects.Add(dynamicSkyObject);
// Add a ground plane with some detail to see the water refractions.
Simulation.RigidBodies.Add(new RigidBody(new PlaneShape(new Vector3(0, 1, 0), 0)));
GameObjectService.Objects.Add(new StaticObject(Services, "Gravel/Gravel", 1, new Pose(new Vector3(0, 0.001f, 0))));
GameObjectService.Objects.Add(new DudeObject(Services));
GameObjectService.Objects.Add(new DynamicObject(Services, 1));
GameObjectService.Objects.Add(new DynamicObject(Services, 2));
GameObjectService.Objects.Add(new DynamicObject(Services, 5));
GameObjectService.Objects.Add(new DynamicObject(Services, 6));
GameObjectService.Objects.Add(new DynamicObject(Services, 7));
GameObjectService.Objects.Add(new FogObject(Services)
{
AttachToCamera = true
});
// The LavaBalls class controls all lava ball instances.
var lavaBalls = new LavaBallsObject(Services);
GameObjectService.Objects.Add(lavaBalls);
// Add a few palm trees.
var random = new Random(12345);
for (int i = 0; i < 10; i++)
{
Vector3 position = new Vector3(random.NextFloat(-3, -8), 0, random.NextFloat(0, -5));
Matrix orientation = Matrix.CreateRotationY(random.NextFloat(0, ConstantsF.TwoPi));
float scale = random.NextFloat(0.5f, 1.2f);
GameObjectService.Objects.Add(new StaticObject(Services, "PalmTree/palm_tree", scale, new Pose(position, orientation)));
}
// Define the appearance of the water.
var water = new Water
{
SpecularColor = new Vector3(10f),
// Small water ripples/waves are created using scrolling normal maps.
NormalMap0 = ContentManager.Load <Texture2D>("Water/Wave0"),
NormalMap1 = ContentManager.Load <Texture2D>("Water/Wave1"),
NormalMap0Scale = 1.8f,
NormalMap1Scale = 2.2f,
NormalMap0Velocity = new Vector3(-0.02f, 0, 0.03f),
NormalMap1Velocity = new Vector3(0.02f, 0, -0.03f),
NormalMap0Strength = 0.5f,
NormalMap1Strength = 0.5f,
ReflectionDistortion = 0.2f,
ReflectionColor = new Vector3(0.7f),
RefractionDistortion = 0.05f,
};
// Create a box-shaped body of water.
// We use a TransformedShape containing a BoxShape because the top of the
// water body must be at height 0.
var shape = new TransformedShape(new GeometricObject(
new BoxShape(10, 1, 20),
new Pose(new Vector3(0, -0.5f, 0))));
_waterNode0 = new WaterNode(water, shape)
{
PoseWorld = new Pose(new Vector3(-1, 0.5f, 0), Matrix.CreateRotationY(0.1f)),
SkyboxReflection = _graphicsScreen.Scene.GetDescendants().OfType <SkyboxNode>().First(),
DepthBufferWriteEnable = true,
};
_graphicsScreen.Scene.Children.Add(_waterNode0);
// Optional: Create a WaterFlow to move the water using a flow texture.
_waterFlow0 = new WaterFlow
{
FlowMapSpeed = 0.5f,
FlowMap = GenerateFlowMap(),
CycleDuration = 3f,
NoiseMapStrength = 0.1f,
NoiseMapScale = 0.5f,
};
_waterNode0.Flow = _waterFlow0;
// Optional: Use a planar reflection instead of the skybox reflection.
// We add a PlanarReflectionNode as a child of the WaterNode.
var renderToTexture = new RenderToTexture
{
Texture = new RenderTarget2D(GraphicsService.GraphicsDevice, 512, 512, false, SurfaceFormat.HdrBlendable, DepthFormat.None),
};
var planarReflectionNode = new PlanarReflectionNode(renderToTexture)
{
// Same shape as WaterNode.
Shape = _waterNode0.Shape,
// Reflection plane is horizontal.
NormalLocal = new Vector3(0, 1, 0),
};
_waterNode0.PlanarReflection = planarReflectionNode;
_waterNode0.Children = new SceneNodeCollection(1)
{
planarReflectionNode
};
// Create a short river with an inclined water surface.
// Using a WaterFlow with a SurfaceSlopeSpeed, the water automatically flows
// down the inclined surface.
_waterNode1 = new WaterNode(water, GetSpiralShape())
{
PoseWorld = new Pose(new Vector3(10, 1.5f, 0), Matrix.CreateRotationY(0.1f)),
EnableUnderwaterEffect = false,
SkyboxReflection = _graphicsScreen.Scene.GetDescendants().OfType <SkyboxNode>().First(),
Flow = new WaterFlow
{
SurfaceSlopeSpeed = 0.5f,
CycleDuration = 2f,
NoiseMapStrength = 0.1f,
NoiseMapScale = 1,
}
};
_graphicsScreen.Scene.Children.Add(_waterNode1);
}
