public OcclusionCullingScreen(IServiceLocator services)
: base(services)
{
_sceneNodes = new List <SceneNode>();
// Create new occlusion buffer with default settings.
OcclusionBuffer = new OcclusionBuffer(GraphicsService);
OcclusionBuffer.ProgressiveShadowCasterCulling = true;
EnableCulling = true;
// Create a second camera for rendering a top-down view of the scene.
var topDownPerspective = new PerspectiveProjection();
topDownPerspective.SetFieldOfView(MathHelper.ToRadians(90), 1, 1, 512);
_topDownCameraNode = new CameraNode(new Camera(topDownPerspective));
_topDownCameraNode.PoseWorld = new Pose(new Vector3F(-10, 120, -10));
_topDownCameraNode.LookAt(new Vector3F(-10, 0, -10), Vector3F.UnitZ);
_sceneQuery = new CustomSceneQuery();
_debugRenderer = new DebugRenderer(GraphicsService, null, null);
// The DigitalRune Profiler is used to measure execution times.
Profiler.SetFormat("Occlusion.Render", 1e3f, "[ms]");
Profiler.SetFormat("Occlusion.Query", 1e3f, "[ms]");
}
/// <summary>
/// Creates a graphics mesh with the triangle mesh data of the given shape and the given
/// diffuse and specular material properties.
/// </summary>
/// <param name="contentManager">The contentManager manager.</param>
/// <param name="graphicsService">The graphics service.</param>
/// <param name="shape">The shape.</param>
/// <param name="diffuse">The diffuse material color.</param>
/// <param name="specular">The specular material color.</param>
/// <param name="specularPower">The specular power of the material.</param>
/// <returns>The graphics mesh.</returns>
public static Mesh CreateMesh(ContentManager contentManager, IGraphicsService graphicsService, Shape shape,
Vector3 diffuse, Vector3 specular, float specularPower)
{
// Create a DigitalRune.Geometry.Meshes.TriangleMesh from the shape and
// convert this to a DigitalRune.Graphics.Mesh.
TriangleMesh triangleMesh = shape.GetMesh(0.01f, 4);
Submesh submesh = CreateSubmeshWithTexCoords(
graphicsService.GraphicsDevice,
triangleMesh,
MathHelper.ToRadians(70));
var mesh = CreateMesh(contentManager, graphicsService, submesh, diffuse, specular, specularPower);
// Set bounding shape to a box that is equal to the AABB of the shape.
var aabb = shape.GetAabb(Pose.Identity);
var boxShape = new BoxShape(aabb.Extent);
var center = aabb.Center;
if (center.IsNumericallyZero)
{
mesh.BoundingShape = boxShape;
}
else
{
mesh.BoundingShape = new TransformedShape(new GeometricObject(boxShape, new Pose(center)));
}
return(mesh);
}
public override void Update(GameTime gameTime)
{
// If <Space> is pressed, we fire a shot.
if (InputService.IsPressed(Keys.Space, true))
{
// Get a random angle and a random distance from the target.
float angle = _angleDistribution.Next(_random);
float distance = _distanceDistribution.Next(_random);
// Create a vector v with the length of distance.
Vector3 v = new Vector3(0, distance, 0);
// Rotate v.
Quaternion rotation = Quaternion.CreateRotationZ(MathHelper.ToRadians(angle));
v = rotation.Rotate(v);
// Draw a small cross for the hit.
var debugRenderer = GraphicsScreen.DebugRenderer2D;
debugRenderer.DrawLine(
_center + v + new Vector3(-10, -10, 0),
_center + v + new Vector3(10, 10, 0),
Color.Black,
true);
debugRenderer.DrawLine(
_center + v + new Vector3(10, -10, 0),
_center + v + new Vector3(-10, 10, 0),
Color.Black, true);
}
base.Update(gameTime);
}
public void GetScreenSizeWithPerspective()
{
// Camera
var projection = new PerspectiveProjection();
projection.SetFieldOfView(MathHelper.ToRadians(90), 2.0f / 1.0f, 1.0f, 100f);
var camera = new Camera(projection);
var cameraNode = new CameraNode(camera);
cameraNode.PoseWorld = new Pose(new Vector3(123, 456, -789), Matrix.CreateRotation(new Vector3(1, -2, 3), MathHelper.ToRadians(75)));
// 2:1 viewport
var viewport = new Viewport(10, 10, 200, 100);
// Test object
var shape = new SphereShape();
var geometricObject = new GeometricObject(shape);
// Empty sphere at camera position.
shape.Radius = 0;
geometricObject.Pose = cameraNode.PoseWorld;
Vector2F screenSize = GraphicsHelper.GetScreenSize(cameraNode, viewport, geometricObject);
Assert.AreEqual(0, screenSize.X);
Assert.AreEqual(0, screenSize.Y);
// Empty sphere centered at near plane.
shape.Radius = 0;
geometricObject.Pose = cameraNode.PoseWorld * new Pose(new Vector3(0.123f, -0.543f, -1));
screenSize = GraphicsHelper.GetScreenSize(cameraNode, viewport, geometricObject);
Assert.AreEqual(0, screenSize.X);
Assert.AreEqual(0, screenSize.Y);
// Create sphere which as a bounding sphere of ~1 unit diameter:
// Since the bounding sphere is based on the AABB, we need to make the
// actual sphere a bit smaller.
shape.Radius = 1 / (2 * (float)Math.Sqrt(3)) + Numeric.EpsilonF;
// Sphere at camera position.
geometricObject.Pose = cameraNode.PoseWorld;
screenSize = GraphicsHelper.GetScreenSize(cameraNode, viewport, geometricObject);
Assert.Greater(screenSize.X, 200);
Assert.Greater(screenSize.Y, 100);
// Sphere at near plane.
geometricObject.Pose = cameraNode.PoseWorld * new Pose(new Vector3(0.123f, -0.543f, -1));
screenSize = GraphicsHelper.GetScreenSize(cameraNode, viewport, geometricObject);
Assert.IsTrue(Numeric.AreEqual(screenSize.X, 50.0f, 10f));
Assert.IsTrue(Numeric.AreEqual(screenSize.Y, 50.0f, 10f));
// Double distance --> half size
geometricObject.Pose = cameraNode.PoseWorld * new Pose(new Vector3(0.123f, -0.543f, -2));
screenSize = GraphicsHelper.GetScreenSize(cameraNode, viewport, geometricObject);
Assert.IsTrue(Numeric.AreEqual(screenSize.X, 25.0f, 5f));
Assert.IsTrue(Numeric.AreEqual(screenSize.Y, 25.0f, 5f));
}
// In this method, a vector is rotated with a quaternion and a matrix. The result
// of the two vector rotations are compared.
private void RotateVector()
{
var debugRenderer = GraphicsScreen.DebugRenderer2D;
debugRenderer.DrawText("----- RotateVector Example:");
// Create a vector. We will rotate this vector.
Vector3 v = new Vector3(1, 2, 3);
// Create another vector which defines the axis of a rotation.
Vector3 rotationAxis = Vector3.UnitZ;
// The rotation angle in radians. We want to rotate 50°.
float rotationAngle = MathHelper.ToRadians(50);
// ----- Part 1: Rotate a vector with a quaternion.
// Create a quaternion that represents a 50° rotation around the axis given
// by rotationAxis.
Quaternion rotation = Quaternion.CreateFromRotationMatrix(rotationAxis, rotationAngle);
// Rotate the vector v using the rotation quaternion.
Vector3 vRotated = rotation.Rotate(v);
// ----- Part 2: Rotate a vector with a matrix.
// Create a matrix that represents a 50° rotation around the axis given by
// rotationAxis.
Matrix rotationMatrix = Matrix.CreateRotation(rotationAxis, rotationAngle);
// Rotate the vector v using the rotation matrix.
Vector3 vRotated2 = rotationMatrix * v;
// ----- Part 3: Compare the results.
// The result of both rotations should be identical.
// Because of numerical errors there can be minor differences in the results.
// Therefore we use Vector3.AreNumericallyEqual() two check if the results
// are equal (within a sensible numerical tolerance).
if (Vector3.AreNumericallyEqual(vRotated, vRotated2))
{
debugRenderer.DrawText("Vectors are equal.\n"); // This message is written.
}
else
{
debugRenderer.DrawText("Vectors are not equal.\n");
}
}
/// <overloads>
/// <summary>
/// Initializes a new instance of the <see cref="TerrainMaterialLayer"/> class.
/// </summary>
/// </overloads>
///
/// <summary>
/// Initializes a new instance of the <see cref="TerrainMaterialLayer"/> class with the default
/// material.
/// </summary>
/// <param name="graphicService">The graphic service.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="graphicService"/> is <see langword="null"/>.
/// </exception>
public TerrainMaterialLayer(IGraphicsService graphicService)
{
if (graphicService == null)
{
throw new ArgumentNullException("graphicService");
}
var effect = graphicService.Content.Load <Effect>("DigitalRune/Terrain/TerrainMaterialLayer");
Material = new Material
{
{ "Detail", new EffectBinding(graphicService, effect, null, EffectParameterHint.Material) }
};
FadeOutStart = int.MaxValue;
FadeOutEnd = int.MaxValue;
TileSize = 1;
DiffuseColor = new Vector3(1, 1, 1);
SpecularColor = new Vector3(1, 1, 1);
SpecularPower = 10;
Alpha = 1;
DiffuseTexture = graphicService.GetDefaultTexture2DWhite();
SpecularTexture = graphicService.GetDefaultTexture2DBlack();
NormalTexture = graphicService.GetDefaultNormalTexture();
HeightTextureScale = 1;
HeightTextureBias = 0;
HeightTexture = graphicService.GetDefaultTexture2DBlack();
TriplanarTightening = -1;
TintStrength = 1;
TintTexture = graphicService.GetDefaultTexture2DWhite();
BlendThreshold = 0.5f;
BlendRange = 1f;
BlendHeightInfluence = 0;
BlendNoiseInfluence = 0;
BlendTextureChannel = 0;
BlendTexture = graphicService.GetDefaultTexture2DWhite();
NoiseTileSize = 1;
TerrainHeightMin = -1e20f;
TerrainHeightMax = +1e20f;
TerrainHeightBlendRange = 1f;
TerrainSlopeMin = -ConstantsF.Pi;
TerrainSlopeMax = ConstantsF.Pi;
TerrainSlopeBlendRange = MathHelper.ToRadians(10);
}
public void UnprojectTest()
{
Viewport viewport = new Viewport(0, 0, 640, 480);
PerspectiveProjection projection = new PerspectiveProjection();
projection.SetFieldOfView(MathHelper.ToRadians(60), viewport.AspectRatio, 10, 1000);
Matrix view = Matrix.CreateLookAt(new Vector3(0, 0, 0), new Vector3(0, 0, -1), Vector3.Up);
Assert.IsTrue(Vector3.AreNumericallyEqual(new Vector3(0, 0, -10), viewport.Unproject(new Vector3(320, 240, 0), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual(new Vector3(projection.Left, projection.Top, -10), viewport.Unproject(new Vector3(0, 0, 0), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual(new Vector3(projection.Right, projection.Top, -10), viewport.Unproject(new Vector3(640, 0, 0), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual(new Vector3(projection.Left, projection.Bottom, -10), viewport.Unproject(new Vector3(0, 480, 0), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual(new Vector3(projection.Right, projection.Bottom, -10), viewport.Unproject(new Vector3(640, 480, 0), projection, view)));
Vector3[] farCorners = new Vector3[4];
GraphicsHelper.GetFrustumFarCorners(projection, farCorners);
Assert.IsTrue(Vector3.AreNumericallyEqual((Vector3)farCorners[0], viewport.Unproject(new Vector3(0, 0, 1), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual((Vector3)farCorners[1], viewport.Unproject(new Vector3(640, 0, 1), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual((Vector3)farCorners[2], viewport.Unproject(new Vector3(0, 480, 1), projection, view)));
Assert.IsTrue(Vector3.AreNumericallyEqual((Vector3)farCorners[3], viewport.Unproject(new Vector3(640, 480, 1), projection, view)));
}
// This method shows how to safely compare vectors.
private void CompareVectors()
{
var debugRenderer = GraphicsScreen.DebugRenderer2D;
debugRenderer.DrawText("----- CompareVectors Example:");
// Define a vector.
Vector3 v0 = new Vector3(1000, 2000, 3000);
// Define a rotation quaternion that rotates 360° around the x axis.
Quaternion rotation = Quaternion.CreateRotationX(MathHelper.ToRadians(360));
// Rotate v0.
Vector3 v1 = rotation.Rotate(v0);
// The rotated vector v1 should be identical to v0 because a 360° rotation
// should not change the vector. - But due to numerical errors v0 and v1 are
// not equal.
if (v0 == v1)
{
debugRenderer.DrawText("Vectors are equal.");
}
else
{
debugRenderer.DrawText("Vectors are not equal."); // This message is written.
}
// With Vector3.AreNumericallyEqual() we can check if two vectors are equal
// when we allow a small numeric tolerance. The tolerance that is applied is
// Numeric.EpsilonF, e.g. 10^-5.
if (Vector3.AreNumericallyEqual(v0, v1))
{
debugRenderer.DrawText("Vectors are numerically equal.\n"); // This message is written.
}
else
{
debugRenderer.DrawText("Vectors are not numerically equal.\n");
}
}
private void CreateGuiControls()
{
var panel = SampleFramework.AddOptions("Shadows");
// ----- Light node controls
var lightNodePanel = SampleHelper.AddGroupBox(panel, "Light Nodes");
SampleHelper.AddDropDown(
lightNodePanel,
"Light type",
new[] { "Spotlight", "PointLight" },
0,
selectedItem =>
{
bool enableSpotlight = (selectedItem == "Spotlight");
_spotlightNode.IsEnabled = enableSpotlight;
_pointLightNode.IsEnabled = !enableSpotlight;
});
SampleHelper.AddSlider(
lightNodePanel,
"Range",
"F2",
1,
30,
10,
value =>
{
_spotlight.Range = value;
_pointLight.Range = value;
});
SampleHelper.AddSlider(
lightNodePanel,
"Y position",
"F2",
0,
10,
1,
value =>
{
foreach (var node in new[] { _spotlightNode, _pointLightNode })
{
var pose = node.PoseWorld;
pose.Position.Y = value;
node.PoseWorld = pose;
}
});
SampleHelper.AddSlider(
lightNodePanel,
"X rotation",
"F0",
-90,
90,
1,
value =>
{
var pose = _spotlightNode.PoseWorld;
pose.Orientation = Matrix.CreateRotationX(MathHelper.ToRadians(value));
_spotlightNode.PoseWorld = pose;
});
SampleHelper.AddSlider(
lightNodePanel,
"Spotlight angle",
"F2",
1,
89,
MathHelper.ToDegrees(_spotlight.CutoffAngle),
value =>
{
float angle = MathHelper.ToRadians(value);
_spotlight.FalloffAngle = 0.8f * angle;
_spotlight.CutoffAngle = angle;
});
// ----- Shadow controls
var shadowPanel = SampleHelper.AddGroupBox(panel, "Shadow");
SampleHelper.AddSlider(
shadowPanel,
"Shadow map resolution",
"F0",
16,
1024,
_standardShadow.PreferredSize,
value =>
{
_standardShadow.PreferredSize = (int)value;
_cubeMapShadow.PreferredSize = (int)value;
});
SampleHelper.AddCheckBox(
shadowPanel,
"Prefer 16 bit",
_standardShadow.Prefer16Bit,
isChecked =>
{
_standardShadow.Prefer16Bit = isChecked;
_cubeMapShadow.Prefer16Bit = isChecked;
});
SampleHelper.AddSlider(
shadowPanel,
"Depth bias",
"F2",
0,
10,
_standardShadow.DepthBias,
value =>
{
_standardShadow.DepthBias = value;
_cubeMapShadow.DepthBias = value;
});
SampleHelper.AddSlider(
shadowPanel,
"Normal offset",
"F2",
0,
10,
_standardShadow.NormalOffset,
value =>
{
_standardShadow.NormalOffset = value;
_cubeMapShadow.NormalOffset = value;
});
SampleHelper.AddSlider(
shadowPanel,
"Number of samples",
"F0",
-1,
32,
_standardShadow.NumberOfSamples,
value =>
{
_standardShadow.NumberOfSamples = (int)value;
_cubeMapShadow.NumberOfSamples = (int)value;
});
SampleHelper.AddSlider(
shadowPanel,
"Filter radius",
"F2",
0,
10,
_standardShadow.FilterRadius,
value =>
{
_standardShadow.FilterRadius = value;
_cubeMapShadow.FilterRadius = value;
});
SampleHelper.AddSlider(
shadowPanel,
"Jitter resolution",
"F0",
1,
10000,
_standardShadow.JitterResolution,
value =>
{
_standardShadow.JitterResolution = value;
_cubeMapShadow.JitterResolution = value;
});
SampleFramework.ShowOptionsWindow("Shadows");
}
// Creates a lot of random objects.
private void CreateRandomObjects()
{
var random = new Random();
var isFirstHeightField = true;
int currentShape = 0;
int numberOfObjects = 0;
while (true)
{
numberOfObjects++;
if (numberOfObjects > ObjectsPerType)
{
currentShape++;
numberOfObjects = 0;
}
Shape shape;
switch (currentShape)
{
case 0:
// Box
shape = new BoxShape(ObjectSize, ObjectSize * 2, ObjectSize * 3);
break;
case 1:
// Capsule
shape = new CapsuleShape(0.3f * ObjectSize, 2 * ObjectSize);
break;
case 2:
// Cone
shape = new ConeShape(1 * ObjectSize, 2 * ObjectSize);
break;
case 3:
// Cylinder
shape = new CylinderShape(0.4f * ObjectSize, 2 * ObjectSize);
break;
case 4:
// Sphere
shape = new SphereShape(ObjectSize);
break;
case 5:
// Convex hull of several points.
ConvexHullOfPoints hull = new ConvexHullOfPoints();
hull.Points.Add(new Vector3(-1 * ObjectSize, -2 * ObjectSize, -1 * ObjectSize));
hull.Points.Add(new Vector3(2 * ObjectSize, -1 * ObjectSize, -0.5f * ObjectSize));
hull.Points.Add(new Vector3(1 * ObjectSize, 2 * ObjectSize, 1 * ObjectSize));
hull.Points.Add(new Vector3(-1 * ObjectSize, 2 * ObjectSize, 1 * ObjectSize));
hull.Points.Add(new Vector3(-1 * ObjectSize, 0.7f * ObjectSize, -0.6f * ObjectSize));
shape = hull;
break;
case 6:
// A composite shape: two boxes that form a "T" shape.
var composite = new CompositeShape();
composite.Children.Add(
new GeometricObject(
new BoxShape(ObjectSize, 3 * ObjectSize, ObjectSize),
new Pose(new Vector3(0, 0, 0))));
composite.Children.Add(
new GeometricObject(
new BoxShape(2 * ObjectSize, ObjectSize, ObjectSize),
new Pose(new Vector3(0, 2 * ObjectSize, 0))));
shape = composite;
break;
case 7:
shape = new CircleShape(ObjectSize);
break;
case 8:
{
var compBvh = new CompositeShape();
compBvh.Children.Add(new GeometricObject(new BoxShape(0.5f, 1, 0.5f), new Pose(new Vector3(0, 0.5f, 0), Matrix.Identity)));
compBvh.Children.Add(new GeometricObject(new BoxShape(0.8f, 0.5f, 0.5f), new Pose(new Vector3(0.5f, 0.7f, 0), Matrix.CreateRotationZ(-MathHelper.ToRadians(15)))));
compBvh.Children.Add(new GeometricObject(new SphereShape(0.3f), new Pose(new Vector3(0, 1.15f, 0), Matrix.Identity)));
compBvh.Children.Add(new GeometricObject(new CapsuleShape(0.2f, 1), new Pose(new Vector3(0.6f, 1.15f, 0), Matrix.CreateRotationX(0.3f))));
compBvh.Partition = new AabbTree<int>();
shape = compBvh;
break;
}
case 9:
CompositeShape comp = new CompositeShape();
comp.Children.Add(new GeometricObject(new BoxShape(0.5f * ObjectSize, 1 * ObjectSize, 0.5f * ObjectSize), new Pose(new Vector3(0, 0.5f * ObjectSize, 0), Quaternion.Identity)));
comp.Children.Add(new GeometricObject(new BoxShape(0.8f * ObjectSize, 0.5f * ObjectSize, 0.5f * ObjectSize), new Pose(new Vector3(0.3f * ObjectSize, 0.7f * ObjectSize, 0), Quaternion.CreateRotationZ(-MathHelper.ToRadians(45)))));
comp.Children.Add(new GeometricObject(new SphereShape(0.3f * ObjectSize), new Pose(new Vector3(0, 1.15f * ObjectSize, 0), Quaternion.Identity)));
shape = comp;
break;
case 10:
shape = new ConvexHullOfPoints(new[]
{
new Vector3(-1 * ObjectSize, -2 * ObjectSize, -1 * ObjectSize),
new Vector3(2 * ObjectSize, -1 * ObjectSize, -0.5f * ObjectSize),
new Vector3(1 * ObjectSize, 2 * ObjectSize, 1 * ObjectSize),
new Vector3(-1 * ObjectSize, 2 * ObjectSize, 1 * ObjectSize),
new Vector3(-1 * ObjectSize, 0.7f * ObjectSize, -0.6f * ObjectSize)
});
break;
case 11:
ConvexHullOfShapes shapeHull = new ConvexHullOfShapes();
shapeHull.Children.Add(new GeometricObject(new SphereShape(0.3f * ObjectSize), new Pose(new Vector3(0, 2 * ObjectSize, 0), Matrix.Identity)));
shapeHull.Children.Add(new GeometricObject(new BoxShape(1 * ObjectSize, 2 * ObjectSize, 3 * ObjectSize), Pose.Identity));
shape = shapeHull;
break;
case 12:
shape = Shape.Empty;
break;
case 13:
var numberOfSamplesX = 10;
var numberOfSamplesZ = 10;
var samples = new float[numberOfSamplesX * numberOfSamplesZ];
for (int z = 0; z < numberOfSamplesZ; z++)
for (int x = 0; x < numberOfSamplesX; x++)
samples[z * numberOfSamplesX + x] = (float)(Math.Cos(z / 3f) * Math.Sin(x / 2f) * BoxSize / 6);
HeightField heightField = new HeightField(0, 0, 2 * BoxSize, 2 * BoxSize, samples, numberOfSamplesX, numberOfSamplesZ);
shape = heightField;
break;
//case 14:
//shape = new LineShape(new Vector3(0.1f, 0.2f, 0.3f), new Vector3(0.1f, 0.2f, -0.3f).Normalized);
//break;
case 15:
shape = new LineSegmentShape(
new Vector3(0.1f, 0.2f, 0.3f), new Vector3(0.1f, 0.2f, 0.3f) + 3 * ObjectSize * new Vector3(0.1f, 0.2f, -0.3f));
break;
case 16:
shape = new MinkowskiDifferenceShape
{
ObjectA = new GeometricObject(new SphereShape(0.1f * ObjectSize)),
ObjectB = new GeometricObject(new BoxShape(1 * ObjectSize, 2 * ObjectSize, 3 * ObjectSize))
};
break;
case 17:
shape = new MinkowskiSumShape
{
ObjectA = new GeometricObject(new SphereShape(0.1f * ObjectSize)),
ObjectB = new GeometricObject(new BoxShape(1 * ObjectSize, 2 * ObjectSize, 3 * ObjectSize)),
};
break;
case 18:
shape = new OrthographicViewVolume(0, ObjectSize, 0, ObjectSize, ObjectSize / 2, ObjectSize * 2);
break;
case 19:
shape = new PerspectiveViewVolume(MathHelper.ToRadians(60f), 16f / 10, ObjectSize / 2, ObjectSize * 3);
break;
case 20:
shape = new PointShape(0.1f, 0.3f, 0.2f);
break;
case 21:
shape = new RayShape(new Vector3(0.2f, 0, -0.12f), new Vector3(1, 2, 3).Normalized, ObjectSize * 2);
break;
case 22:
shape = new RayShape(new Vector3(0.2f, 0, -0.12f), new Vector3(1, 2, 3).Normalized, ObjectSize * 2)
{
StopsAtFirstHit = true
};
break;
case 23:
shape = new RectangleShape(ObjectSize, ObjectSize * 2);
break;
case 24:
shape = new TransformedShape(
new GeometricObject(
new BoxShape(1 * ObjectSize, 2 * ObjectSize, 3 * ObjectSize),
new Pose(new Vector3(0.1f, 1, -0.2f))));
break;
case 25:
shape = new TriangleShape(
new Vector3(ObjectSize, 0, 0), new Vector3(0, ObjectSize, 0), new Vector3(ObjectSize, ObjectSize, ObjectSize));
break;
//case 26:
// {
// // Create a composite object from which we get the mesh.
// CompositeShape compBvh = new CompositeShape();
// compBvh.Children.Add(new GeometricObject(new BoxShape(0.5f, 1, 0.5f), new Pose(new Vector3(0, 0.5f, 0), Matrix.Identity)));
// compBvh.Children.Add(
// new GeometricObject(
// new BoxShape(0.8f, 0.5f, 0.5f),
// new Pose(new Vector3(0.5f, 0.7f, 0), Matrix.CreateRotationZ(-(float)MathHelper.ToRadians(15)))));
// compBvh.Children.Add(new GeometricObject(new SphereShape(0.3f), new Pose(new Vector3(0, 1.15f, 0), Matrix.Identity)));
// compBvh.Children.Add(
// new GeometricObject(new CapsuleShape(0.2f, 1), new Pose(new Vector3(0.6f, 1.15f, 0), Matrix.CreateRotationX(0.3f))));
// TriangleMeshShape meshBvhShape = new TriangleMeshShape { Mesh = compBvh.GetMesh(0.01f, 3) };
// meshBvhShape.Partition = new AabbTree<int>();
// shape = meshBvhShape;
// break;
// }
//case 27:
// {
// // Create a composite object from which we get the mesh.
// CompositeShape compBvh = new CompositeShape();
// compBvh.Children.Add(new GeometricObject(new BoxShape(0.5f, 1, 0.5f), new Pose(new Vector3(0, 0.5f, 0), Quaternion.Identity)));
// compBvh.Children.Add(
// new GeometricObject(
// new BoxShape(0.8f, 0.5f, 0.5f),
// new Pose(new Vector3(0.5f, 0.7f, 0), Quaternion.CreateRotationZ(-(float)MathHelper.ToRadians(15)))));
// compBvh.Children.Add(new GeometricObject(new SphereShape(0.3f), new Pose(new Vector3(0, 1.15f, 0), Quaternion.Identity)));
// compBvh.Children.Add(
// new GeometricObject(new CapsuleShape(0.2f, 1), new Pose(new Vector3(0.6f, 1.15f, 0), Quaternion.CreateRotationX(0.3f))));
// TriangleMeshShape meshBvhShape = new TriangleMeshShape { Mesh = compBvh.GetMesh(0.01f, 3) };
// meshBvhShape.Partition = new AabbTree<int>();
// shape = meshBvhShape;
// break;
// }
case 28:
shape = new ConvexPolyhedron(new[]
{
new Vector3(-1 * ObjectSize, -2 * ObjectSize, -1 * ObjectSize),
new Vector3(2 * ObjectSize, -1 * ObjectSize, -0.5f * ObjectSize),
new Vector3(1 * ObjectSize, 2 * ObjectSize, 1 * ObjectSize),
new Vector3(-1 * ObjectSize, 2 * ObjectSize, 1 * ObjectSize),
new Vector3(-1 * ObjectSize, 0.7f * ObjectSize, -0.6f * ObjectSize)
});
break;
case 29:
return;
default:
currentShape++;
continue;
}
// Create an object with the random shape, pose, color and velocity.
Pose randomPose = new Pose(
random.NextVector3(-BoxSize + ObjectSize * 2, BoxSize - ObjectSize * 2),
random.NextQuaternion());
var newObject = new MovingGeometricObject
{
Pose = randomPose,
Shape = shape,
LinearVelocity = random.NextQuaternion().Rotate(new Vector3(MaxLinearVelocity, 0, 0)),
AngularVelocity = random.NextQuaternion().Rotate(Vector3.Forward)
* RandomHelper.Random.NextFloat(0, MaxAngularVelocity),
};
if (RandomHelper.Random.NextBool())
newObject.LinearVelocity = Vector3.Zero;
if (RandomHelper.Random.NextBool())
newObject.AngularVelocity = Vector3.Zero;
if (shape is LineShape || shape is HeightField)
{
// Do not move lines or the height field.
newObject.LinearVelocity = Vector3.Zero;
newObject.AngularVelocity = Vector3.Zero;
}
// Create only 1 heightField!
if (shape is HeightField)
{
if (isFirstHeightField)
{
isFirstHeightField = true;
newObject.Pose = new Pose(new Vector3(-BoxSize, -BoxSize, -BoxSize));
}
else
{
currentShape++;
numberOfObjects = 0;
continue;
}
}
// Add collision object to collision domain.
_domain.CollisionObjects.Add(new CollisionObject(newObject));
//co.Type = CollisionObjectType.Trigger;
//co.Name = "Object" + shape.GetType().Name + "_" + i;
}
}
public override void Update(GameTime gameTime)
{
if (_avatarPose == null)
{
if (_avatarRenderer.State == AvatarRendererState.Ready)
{
_avatarPose = new AvatarPose(_avatarRenderer);
AnimationService.StartAnimation(_walkAnimation, _avatarPose).AutoRecycle();
}
}
else
{
// Update pose of attached baseball bat.
// The offset of the baseball bat origin to the bone origin (in bone space)
Pose offset = new Pose(new Vector3(0.01f, 0.05f, 0.0f), Matrix.CreateRotationY(MathHelper.ToRadians(-20)));
// The bone position in model space
SrtTransform bonePose = _avatarPose.SkeletonPose.GetBonePoseAbsolute((int)AvatarBone.SpecialRight);
// The baseball bat matrix in world space
_baseballBatMeshNode.PoseWorld = _pose * (Pose)bonePose * offset;
}
}
public LdrSkySample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
var delegateGraphicsScreen = new DelegateGraphicsScreen(GraphicsService)
{
RenderCallback = Render,
};
GraphicsService.Screens.Insert(0, delegateGraphicsScreen);
// Add a custom game object which controls the camera.
_cameraObject = new CameraObject(Services);
GameObjectService.Objects.Add(_cameraObject);
var spriteFont = UIContentManager.Load<SpriteFont>("UI Themes/BlendBlue/Default");
_debugRenderer = new DebugRenderer(GraphicsService, spriteFont);
_cieSkyFilter = new CieSkyFilter(GraphicsService);
_cieSkyFilter.Exposure = 5;
_cieSkyFilter.Strength = 0.9f;
_gradientSky = new GradientSkyNode();
//_gradientSky.GroundColor = new Vector4(0, 0, 1, 1);
//_gradientSky.ZenithColor = new Vector4(0, 0, 1, 1);
//_gradientSky.FrontColor = new Vector4(0, 0, 1, 1);
//_gradientSky.BackColor = new Vector4(0, 0, 1, 1);
//_gradientSky.FrontZenithShift = 0.3f;
//_gradientSky.FrontGroundShift = 0.1f;
//_gradientSky.BackGroundShift = 0.1f;
_gradientSky.CieSkyStrength = 0;
_gradientTextureSky = new GradientTextureSkyNode();
_gradientTextureSky.TimeOfDay = _time.TimeOfDay;
_gradientTextureSky.Color = new Vector4(1);
_gradientTextureSky.FrontTexture = ContentManager.Load<Texture2D>("Sky/GradientSkyFront");
_gradientTextureSky.BackTexture = ContentManager.Load<Texture2D>("Sky/GradientSkyBack");
_gradientTextureSky.CieSkyStrength = 1;
_scatteringSky = new ScatteringSkyNode();
_scatteringSky.SunIntensity *= 2;
_scatteringSky.BetaMie *= 2;
_scatteringSky.GMie = 0.75f;
_scatteringSky.ScaleHeight = _scatteringSky.AtmosphereHeight * 0.25f;
InitializeStarfield();
_cloudMapRenderer = new CloudMapRenderer(GraphicsService);
_skyRenderer = new SkyRenderer(GraphicsService);
_milkyWay = ContentManager.Load<TextureCube>("Sky/MilkyWay");
_milkyWaySkybox = new SkyboxNode(_milkyWay) { Color = new Vector3(0.05f) };
_sun = new SkyObjectNode
{
GlowColor0 = new Vector3(1, 1, 1) * 5,
GlowExponent0 = 4000,
//GlowColor1 = new Vector3(0.4f) * 0.1f,
//GlowExponent1 = 100
};
_moon = new SkyObjectNode
{
Texture = new PackedTexture(ContentManager.Load<Texture2D>("Sky/Moon")),
SunLight = new Vector3(1, 1, 1) * 1,
AmbientLight = new Vector3(0.001f) * 1,
LightWrap = 0.1f,
LightSmoothness = 1,
AngularDiameter = new Vector2F(MathHelper.ToRadians(5)),
GlowColor0 = new Vector3(0.005f * 0),
GlowCutoffThreshold = 0.001f,
GlowExponent0 = 100
};
var cloudMap = new LayeredCloudMap
{
Density = 10,
Coverage = 0.5f,
Size = 1024,
};
var scale = CreateScale(0.2f);
cloudMap.Layers[0] = new CloudMapLayer(null, scale * CreateScale(1), -0.5f, 1, 0.011f * 0);
cloudMap.Layers[1] = new CloudMapLayer(null, scale * CreateScale(1.7f), -0.5f, 1f / 2f, 0.017f * 0);
cloudMap.Layers[2] = new CloudMapLayer(null, scale * CreateScale(3.97f), -0.5f, 1f / 4f, 0.033f * 0);
cloudMap.Layers[3] = new CloudMapLayer(null, scale * CreateScale(8.1f), -0.5f, 1f / 8f, 0.043f * 0);
cloudMap.Layers[4] = new CloudMapLayer(null, scale * CreateScale(16, 17), -0.5f, 1f / 16f, 0.051f * 0);
cloudMap.Layers[5] = new CloudMapLayer(null, scale * CreateScale(32, 31), -0.5f, 1f / 32f, 0.059f * 0);
cloudMap.Layers[6] = new CloudMapLayer(null, scale * CreateScale(64, 67), -0.5f, 1f / 64f, 0.067f * 0);
cloudMap.Layers[7] = new CloudMapLayer(null, scale * CreateScale(128, 127), -0.5f, 1f / 128f, 0.081f * 0);
_cloudLayerNode = new CloudLayerNode(cloudMap)
{
ForwardScatterScale = 2.5f,
ForwardScatterOffset = 0.3f,
TextureMatrix = CreateScale(0.5f),
SkyCurvature = 0.9f,
NumberOfSamples = 16,
};
_ephemeris = new Ephemeris();
// Approx. location of Ternberg: Latitude = 48, Longitude = 15, Altitude = 300
_ephemeris.Latitude = 0;
_ephemeris.Longitude = 15;
_ephemeris.Altitude = 300;
//_time = new DateTime(2013, 5, 1, 17, 17, 0, 0);
_time = DateTime.Now;
#else
_time = new DateTimeOffset(2013, 5, 1, 12, 0, 0, 0, TimeSpan.Zero);
//_time = DateTimeOffset.UtcNow;
UpdateEphemeris();
_milkyWaySkybox.DrawOrder = 0;
_starfield.DrawOrder = 1;
_sun.DrawOrder = 2;
_moon.DrawOrder = 3;
_scatteringSky.DrawOrder = 4;
_gradientSky.DrawOrder = 4;
_gradientTextureSky.DrawOrder = 4;
_cloudLayerNode.DrawOrder = 5;
_skyNodes = new SceneNode[]
{
_milkyWaySkybox,
_starfield,
_sun,
_moon,
_scatteringSky,
//_gradientSky,
//_gradientTextureSky,
_cloudLayerNode,
};
var graphicsDevice = GraphicsService.GraphicsDevice;
_skybox = new SkyboxNode(
new RenderTargetCube(graphicsDevice, 512, false, SurfaceFormat.Color, DepthFormat.None))
{
Encoding = ColorEncoding.Rgbm,
};
_hdrFilter = new HdrFilter(GraphicsService)
{
MinExposure = 0.5f,
MaxExposure = 2,
BloomIntensity = 1,
BloomThreshold = 0.6f,
AdaptionSpeed = 100,
};
_colorEncoder = new ColorEncoder(GraphicsService)
{
SourceEncoding = ColorEncoding.Rgb,
TargetEncoding = _skybox.Encoding,
};
}
public FacialAnimationSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
_graphicsScreen = new DeferredGraphicsScreen(Services)
{
DrawReticle = false
};
GraphicsService.Screens.Insert(0, _graphicsScreen);
Services.Register(typeof(DebugRenderer), null, _graphicsScreen.DebugRenderer);
Services.Register(typeof(IScene), null, _graphicsScreen.Scene);
// Add a game object which adds some GUI controls for the deferred graphics
// screen to the Options window.
GameObjectService.Objects.Add(new DeferredGraphicsOptionsObject(Services));
// Use a fixed camera.
var projection = new PerspectiveProjection();
projection.SetFieldOfView(
ConstantsF.PiOver4,
GraphicsService.GraphicsDevice.Viewport.AspectRatio,
0.1f,
10);
var cameraNode = new CameraNode(new Camera(projection));
cameraNode.LookAt(new Vector3(0.15f, 0.15f, 0.5f), new Vector3(0.1f, 0.15f, 0), Vector3.Up);
_graphicsScreen.Scene.Children.Add(cameraNode);
_graphicsScreen.ActiveCameraNode = cameraNode;
// Lighting setup:
var keyLight = new LightNode(new Spotlight {
DiffuseIntensity = 0.6f, SpecularIntensity = 0.4f
});
keyLight.LookAt(new Vector3(-2, 2, 2), new Vector3(), Vector3.Up);
_graphicsScreen.Scene.Children.Add(keyLight);
var backLight = new LightNode(new Spotlight {
DiffuseIntensity = 0.3f, SpecularIntensity = 0.3f
});
backLight.LookAt(new Vector3(1, 0.5f, -2), new Vector3(), Vector3.Up);
_graphicsScreen.Scene.Children.Add(backLight);
var fillLight = new LightNode(new AmbientLight {
HemisphericAttenuation = 1, Intensity = 0.1f
});
_graphicsScreen.Scene.Children.Add(fillLight);
// The scene does not have a proper background. That's why the exposure is a
// bit off. --> Reduce the max exposure.
var hdrFilter = _graphicsScreen.PostProcessors.OfType <HdrFilter>().First();
hdrFilter.MaxExposure = 6;
// Load the customized "Sintel" model (original: Durian Open Movie Project - http://www.sintel.org/).
var model = ContentManager.Load <ModelNode>("Sintel/Sintel-Head").Clone();
model.PoseWorld = new Pose(new Vector3(0, 0, 0), Matrix.CreateRotationY(MathHelper.ToRadians(10)) * Matrix.CreateRotationX(-MathHelper.ToRadians(90)));
_graphicsScreen.Scene.Children.Add(model);
// The model consists of a root node and a mesh node.
// ModelNode "Sintel-Head"
// MeshNode "Sintel"
_sintel = (MeshNode)model.Children[0];
// The model contains two skeletal animations:
// - "MOUTH-open" is just a single frame.
// - "Test" is a short animation (250 frames).
// In the Options window, we will add a slider to move the jaw.
// Slider.Value = 0 ... mouth closed (default)
_mouthClosedPose = SkeletonPose.Create(_sintel.Mesh.Skeleton);
// Slider.Value = 1 ... mouth open (copied from the "MOUTH-open" animation)
SkeletonKeyFrameAnimation mouthOpen = _sintel.Mesh.Animations["MOUTH-open"];
_mouthOpenPose = SkeletonPose.Create(_sintel.Mesh.Skeleton);
mouthOpen.GetValue(TimeSpan.Zero, ref _mouthOpenPose, ref _mouthOpenPose, ref _mouthOpenPose);
// Turn the "Test" animation into an endless loop.
_skeletalAnimation = new AnimationClip <SkeletonPose>(_sintel.Mesh.Animations["Test"])
{
Duration = TimeSpan.MaxValue,
LoopBehavior = LoopBehavior.Cycle
};
// Mesh has several morph targets for facial animation, which are imported
// automatically via the content pipeline. Unfortunately, the XNA content
// pipeline cannot import morph target animations automatically.
// In this demo, we will create a morph target animation in code.
_morphingAnimation = CreateMorphingAnimation();
CreateGuiControls();
}
// OnLoad() is called when the GameObject is added to the IGameObjectService.
protected override void OnLoad()
{
var graphicsService = _services.GetInstance <IGraphicsService>();
var gameObjectService = _services.GetInstance <IGameObjectService>();
// Check if the game object manager has another ProceduralObject instance.
var otherProceduralObject = gameObjectService.Objects
.OfType <ProceduralObject>()
.FirstOrDefault(o => o != this);
Mesh mesh;
if (otherProceduralObject != null)
{
// This ProceduralObject is not the first. We re-use rigid body data and
// the mesh from the existing instance.
var otherBody = otherProceduralObject._rigidBody;
_rigidBody = new RigidBody(otherBody.Shape, otherBody.MassFrame, otherBody.Material);
mesh = otherProceduralObject._meshNode.Mesh;
}
else
{
// This is the first ProceduralObject instance. We create a new rigid body
// and a new mesh.
var shape = new MinkowskiSumShape(new GeometricObject(new SphereShape(0.05f)), new GeometricObject(new BoxShape(0.5f, 0.5f, 0.5f)));
_rigidBody = new RigidBody(shape);
// Create a DigitalRune.Geometry.Meshes.TriangleMesh from the RigidBody's
// shape and convert this to a DigitalRune.Graphics.Mesh.
var triangleMesh = _rigidBody.Shape.GetMesh(0.01f, 4);
mesh = new Mesh {
Name = "ProceduralObject"
};
var submesh = CreateSubmeshWithTexCoords(graphicsService.GraphicsDevice, triangleMesh, MathHelper.ToRadians(70));
mesh.Submeshes.Add(submesh);
// Next, we need a material. We can load a predefined material (*.drmat file)
// with the content manager.
//var material = content.Load<Material>("Default");
// Alternatively, we can load some effects and build the material here:
Material material = new Material();
// We need an EffectBinding for each render pass.
// The "Default" pass uses a BasicEffectBinding (which is an EffectBinding
// for the XNA BasicEffect).
// Note: The "Default" pass is not used by the DeferredLightingScreen, so
// we could ignore this pass in this sample project.
BasicEffectBinding defaultEffectBinding = new BasicEffectBinding(graphicsService, null)
{
LightingEnabled = true,
TextureEnabled = true,
VertexColorEnabled = false
};
defaultEffectBinding.Set("Texture", graphicsService.GetDefaultTexture2DWhite());
defaultEffectBinding.Set("DiffuseColor", new Vector3(1, 1, 1));
defaultEffectBinding.Set("SpecularColor", new Vector3(1, 1, 1));
defaultEffectBinding.Set("SpecularPower", 100f);
material.Add("Default", defaultEffectBinding);
// EffectBinding for the "ShadowMap" pass.
// Note: EffectBindings which are used in a Material must be marked with
// the EffectParameterHint Material.
var content = _services.GetInstance <ContentManager>();
EffectBinding shadowMapEffectBinding = new EffectBinding(
graphicsService,
content.Load <Effect>("DigitalRune\\Materials\\ShadowMap"),
null,
EffectParameterHint.Material);
material.Add("ShadowMap", shadowMapEffectBinding);
// EffectBinding for the "GBuffer" pass.
EffectBinding gBufferEffectBinding = new EffectBinding(
graphicsService,
content.Load <Effect>("DigitalRune\\Materials\\GBuffer"),
null,
EffectParameterHint.Material);
gBufferEffectBinding.Set("SpecularPower", 100f);
material.Add("GBuffer", gBufferEffectBinding);
// EffectBinding for the "Material" pass.
EffectBinding materialEffectBinding = new EffectBinding(
graphicsService,
content.Load <Effect>("DigitalRune\\Materials\\Material"),
null,
EffectParameterHint.Material);
materialEffectBinding.Set("DiffuseTexture", graphicsService.GetDefaultTexture2DWhite());
materialEffectBinding.Set("DiffuseColor", new Vector3(1, 1, 1));
materialEffectBinding.Set("SpecularColor", new Vector3(1, 1, 1));
material.Add("Material", materialEffectBinding);
// Assign this material to the submesh.
submesh.SetMaterial(material);
}
// Create a scene graph node for the mesh.
_meshNode = new MeshNode(mesh);
// Set a random pose.
var randomPosition = new Vector3F(
RandomHelper.Random.NextFloat(-10, 10),
RandomHelper.Random.NextFloat(2, 5),
RandomHelper.Random.NextFloat(-20, 0));
_rigidBody.Pose = new Pose(randomPosition, RandomHelper.Random.NextQuaternionF());
_meshNode.PoseWorld = _rigidBody.Pose;
// Add mesh node to scene graph.
var scene = _services.GetInstance <IScene>();
scene.Children.Add(_meshNode);
// Add rigid body to the physics simulation.
var simulation = _services.GetInstance <Simulation>();
simulation.RigidBodies.Add(_rigidBody);
}