public BillboardRenderComponent(Actor owner)
: base(owner)
{
Effect = null;
mDepthOnlyEffect = null;
mTexture = null;
mGeometry = null;
mCurrentTime = 0.0f;
}
public BillboardRenderComponent(Actor owner)
: base(owner)
{
Effect = null;
mDepthOnlyEffect = null;
mTexture = null;
mGeometry = null;
mCurrentTime = 0.0f;
}
public RawGeometryNode(MeshPart geometry, EffectApplication defaultMaterial)
: base(defaultMaterial)
{
Geometry = geometry;
}
public AlphaCutoutGeometryNode(MeshPart geometry, EffectApplication defaultOpaqueMaterial, EffectApplication defaultFringeMaterial)
: base(geometry, defaultOpaqueMaterial)
{
mFringeMaterials = new Dictionary<TraversalContext.MaterialFlags, EffectApplication>();
mFringeMaterials.Add(TraversalContext.MaterialFlags.None, defaultFringeMaterial);
}
public override void Initialize(ContentManager contentLoader, ComponentManifest manifest)
{
Effect genericEffect = contentLoader.Load <Effect>("shaders\\Billboard");
// If we have several of these objects, the content manager will return
// a single shared effect instance to them all. But we want to preconfigure
// the effect with parameters that are specific to this particular
// object. By cloning the effect, we prevent one
// from stomping over the parameter settings of another.
Effect = genericEffect.Clone();
Effect.CurrentTechnique = Effect.Techniques["Billboard"];
EffectRegistry.Add(Effect, RenderOptions.BillboardParams);
EffectParameterCollection parameters = Effect.Parameters;
// Set the values of parameters that do not change.
parameters["WindAmount"].SetValue(0.0f);
parameters["BillboardWidth"].SetValue(2.0f);
parameters["BillboardHeight"].SetValue(2.0f);
mTexture = contentLoader.Load <Texture>((string)(manifest.Properties[ManifestKeys.TEXTURE]));
parameters["Texture"].SetValue(mTexture);
parameters["gBright"].SetValue(0.17f);
parameters["gContrast"].SetValue(0.9f);
mDepthOnlyEffect = Effect.Clone();
mDepthOnlyEffect.CurrentTechnique = mDepthOnlyEffect.Techniques["DepthOnlyBillboard"];
EffectRegistry.Add(mDepthOnlyEffect, RenderOptions.BillboardParams);
mGeometry = new MeshPart();
BillboardVertex[] vertices = new BillboardVertex[4];
vertices[0].Position = Vector3.Zero;
vertices[1].Position = Vector3.Zero;
vertices[2].Position = Vector3.Zero;
vertices[3].Position = Vector3.Zero;
vertices[0].Normal = Vector3.Up;
vertices[1].Normal = Vector3.Up;
vertices[2].Normal = Vector3.Up;
vertices[3].Normal = Vector3.Up;
vertices[0].TexCoord = Vector2.Zero;
vertices[1].TexCoord = Vector2.UnitX;
vertices[2].TexCoord = Vector2.One;
vertices[3].TexCoord = Vector2.UnitY;
float randValue = 0.5f;
if (manifest.Properties.ContainsKey(ManifestKeys.IS_RANDOMIZED) &&
(bool)(manifest.Properties[ManifestKeys.IS_RANDOMIZED]))
{
randValue = (float)(GameResources.ActorManager.Random.Next(-524288, 524288)) / (float)524288;
}
vertices[0].Random = randValue;
vertices[1].Random = randValue;
vertices[2].Random = randValue;
vertices[3].Random = randValue;
mGeometry.VertexBuffer = new VertexBuffer(
SharedResources.Game.GraphicsDevice,
BillboardVertex.VertexDeclaration,
4,
BufferUsage.None);
mGeometry.VertexBuffer.SetData(vertices);
// Create and populate the index buffer.
ushort[] indices = new ushort[] { 0, 1, 2, 0, 2, 3 };
mGeometry.IndexBuffer = new IndexBuffer(
SharedResources.Game.GraphicsDevice,
typeof(ushort),
indices.Length,
BufferUsage.None);
mGeometry.IndexBuffer.SetData(indices);
mGeometry.NumVertices = 4;
mGeometry.PrimitiveCount = 2;
mGeometry.StartIndex = 0;
mGeometry.VertexOffset = 0;
GameResources.ActorManager.PreAnimationUpdateStep += PreAnimationUpdateHandler;
base.Initialize(contentLoader, manifest);
}
public static void Initialize()
{
List<VertexPositionNormalTexture> shapesVertices = new List<VertexPositionNormalTexture>();
List<short> shapesIndices = new List<short>();
// Sphere.
Sphere = new MeshPart();
Sphere.VertexOffset = shapesVertices.Count;
Sphere.StartIndex = shapesIndices.Count;
const int SPHERE_NUM_SEGMENTS = 32;
const int SPHERE_NUM_RINGS = 18;
// Poles: note that there will be texture coordinate distortion as there is
// not a unique point on the texture map to assign to the pole when mapping
// a rectangular texture onto a sphere.
VertexPositionNormalTexture topVertex = new VertexPositionNormalTexture(Vector3.Up, Vector3.Up, Vector2.Zero);
VertexPositionNormalTexture bottomVertex = new VertexPositionNormalTexture(Vector3.Down, Vector3.Down, Vector2.UnitY);
shapesVertices.Add(topVertex);
float phiStep = MathHelper.Pi / SPHERE_NUM_RINGS;
float thetaStep = MathHelper.TwoPi / SPHERE_NUM_SEGMENTS;
// Compute vertices for each ring (do not count the poles as rings).
for (int i = 1; i < SPHERE_NUM_RINGS; ++i)
{
float phi = i * phiStep;
// Vertices of ring. Note that we're adding an extra vertex on each ring so the uv coords will wrap correctly.
for (int j = 0; j <= SPHERE_NUM_SEGMENTS; ++j)
{
float theta = j * thetaStep;
VertexPositionNormalTexture v;
// spherical to cartesian
v.Position.X = (float)(Math.Sin(phi) * Math.Cos(theta));
v.Position.Y = (float)(Math.Cos(phi));
v.Position.Z = (float)(Math.Sin(phi) * Math.Sin(theta));
v.Normal = v.Position;
v.TextureCoordinate.X = theta / MathHelper.TwoPi;
v.TextureCoordinate.Y = phi / MathHelper.Pi;
shapesVertices.Add(v);
}
}
shapesVertices.Add(bottomVertex);
// Compute indices for top ring. The top ring was written first to the vertex buffer
// and connects the top pole to the first ring.
for(short j = 1; j <= SPHERE_NUM_SEGMENTS; ++j)
{
shapesIndices.Add(0);
shapesIndices.Add((short)(j + 1));
shapesIndices.Add(j);
}
// Compute indices for inner stacks (not connected to poles).
// Offset the indices to the index of the first vertex in the first ring.
// This is just skipping the top pole vertex.
int baseIndex = 1;
int verticesPerRing = SPHERE_NUM_SEGMENTS + 1;
for (int i = 0; i < SPHERE_NUM_RINGS - 2; ++i)
{
for (int j = 0; j < SPHERE_NUM_SEGMENTS; ++j)
{
shapesIndices.Add((short)(baseIndex + i * verticesPerRing + j));
shapesIndices.Add((short)(baseIndex + i * verticesPerRing + j + 1));
shapesIndices.Add((short)(baseIndex + (i + 1) * verticesPerRing + j));
shapesIndices.Add((short)(baseIndex + i * verticesPerRing + j + 1));
shapesIndices.Add((short)(baseIndex + (i + 1) * verticesPerRing + j + 1));
shapesIndices.Add((short)(baseIndex + (i + 1) * verticesPerRing + j));
}
}
// Compute indices for bottom stack. The bottom stack was written last to the vertex buffer
// and connects the bottom pole to the bottom ring.
short southPoleIndex = (short)(1 + verticesPerRing * (SPHERE_NUM_RINGS - 1));
// Offset the indices to the index of the first vertex in the last ring.
baseIndex = southPoleIndex - verticesPerRing;
for (short j = 0; j < SPHERE_NUM_SEGMENTS; ++j)
{
shapesIndices.Add(southPoleIndex);
shapesIndices.Add((short)(baseIndex + j));
shapesIndices.Add((short)(baseIndex + j + 1));
}
Sphere.NumVertices = shapesVertices.Count - Sphere.VertexOffset;
Sphere.PrimitiveCount = (shapesIndices.Count - Sphere.StartIndex) / 3;
// Box.
Box = new MeshPart();
Box.VertexOffset = shapesVertices.Count;
Box.StartIndex = shapesIndices.Count;
VertexPositionNormalTexture[] box = new VertexPositionNormalTexture[24];
Vector3[] orderOfFaces = { Vector3.Backward, Vector3.Forward, Vector3.Up, Vector3.Down, Vector3.Left, Vector3.Right };
Vector2[] orderOfTexCoords = { Vector2.UnitY, Vector2.One, Vector2.UnitX, Vector2.Zero };
for (int b = 0; b < 24; ++b)
{
box[b].Normal = orderOfFaces[b / 4];
box[b].TextureCoordinate = orderOfTexCoords[b % 4];
}
// Back face (normal is backward vector (0, 0, -1,))
box[0].Position = new Vector3(-1.0f, -1.0f, 1.0f);
box[1].Position = new Vector3(+1.0f, -1.0f, 1.0f);
box[2].Position = new Vector3(+1.0f, +1.0f, 1.0f);
box[3].Position = new Vector3(-1.0f, +1.0f, 1.0f);
// Front face
box[4].Position = new Vector3(+1.0f, -1.0f, -1.0f);
box[5].Position = new Vector3(-1.0f, -1.0f, -1.0f);
box[6].Position = new Vector3(-1.0f, +1.0f, -1.0f);
box[7].Position = new Vector3(+1.0f, +1.0f, -1.0f);
// Top face
box[8].Position = new Vector3(-1.0f, 1.0f, +1.0f);
box[9].Position = new Vector3(+1.0f, 1.0f, +1.0f);
box[10].Position = new Vector3(+1.0f, 1.0f, -1.0f);
box[11].Position = new Vector3(-1.0f, 1.0f, -1.0f);
// Bottom face
box[12].Position = new Vector3(-1.0f, -1.0f, -1.0f);
box[13].Position = new Vector3(+1.0f, -1.0f, -1.0f);
box[14].Position = new Vector3(+1.0f, -1.0f, +1.0f);
box[15].Position = new Vector3(-1.0f, -1.0f, +1.0f);
// Left face
box[16].Position = new Vector3(-1.0f, -1.0f, -1.0f);
box[17].Position = new Vector3(-1.0f, -1.0f, +1.0f);
box[18].Position = new Vector3(-1.0f, +1.0f, +1.0f);
box[19].Position = new Vector3(-1.0f, +1.0f, -1.0f);
// Right face
box[20].Position = new Vector3(1.0f, -1.0f, +1.0f);
box[21].Position = new Vector3(1.0f, -1.0f, -1.0f);
box[22].Position = new Vector3(1.0f, +1.0f, -1.0f);
box[23].Position = new Vector3(1.0f, +1.0f, +1.0f);
shapesVertices.AddRange(box);
for (int b = 0; b < 21; b += 4)
{
shapesIndices.Add((short)b);
shapesIndices.Add((short)(b + 2));
shapesIndices.Add((short)(b + 1));
shapesIndices.Add((short)(b));
shapesIndices.Add((short)(b + 3));
shapesIndices.Add((short)(b + 2));
}
Box.NumVertices = shapesVertices.Count - Box.VertexOffset;
Box.PrimitiveCount = (shapesIndices.Count - Box.StartIndex) / 3;
VertexBuffer shapesVB = new VertexBuffer(SharedResources.Game.GraphicsDevice, VertexPositionNormalTexture.VertexDeclaration, shapesVertices.Count, BufferUsage.None);
shapesVB.SetData(shapesVertices.ToArray());
IndexBuffer shapesIB = new IndexBuffer(SharedResources.Game.GraphicsDevice, IndexElementSize.SixteenBits, shapesIndices.Count, BufferUsage.None);
shapesIB.SetData(shapesIndices.ToArray());
Sphere.IndexBuffer = shapesIB;
Sphere.VertexBuffer = shapesVB;
Box.IndexBuffer = shapesIB;
Box.VertexBuffer = shapesVB;
}
public override void Initialize(ContentManager contentLoader, ComponentManifest manifest)
{
Effect genericEffect = contentLoader.Load<Effect>("shaders\\Billboard");
// If we have several of these objects, the content manager will return
// a single shared effect instance to them all. But we want to preconfigure
// the effect with parameters that are specific to this particular
// object. By cloning the effect, we prevent one
// from stomping over the parameter settings of another.
Effect = genericEffect.Clone();
Effect.CurrentTechnique = Effect.Techniques["Billboard"];
EffectRegistry.Add(Effect, RenderOptions.BillboardParams);
EffectParameterCollection parameters = Effect.Parameters;
// Set the values of parameters that do not change.
parameters["WindAmount"].SetValue(0.0f);
parameters["BillboardWidth"].SetValue(2.0f);
parameters["BillboardHeight"].SetValue(2.0f);
mTexture = contentLoader.Load<Texture>((string)(manifest.Properties[ManifestKeys.TEXTURE]));
parameters["Texture"].SetValue(mTexture);
parameters["gBright"].SetValue(0.17f);
parameters["gContrast"].SetValue(0.9f);
mDepthOnlyEffect = Effect.Clone();
mDepthOnlyEffect.CurrentTechnique = mDepthOnlyEffect.Techniques["DepthOnlyBillboard"];
EffectRegistry.Add(mDepthOnlyEffect, RenderOptions.BillboardParams);
mGeometry = new MeshPart();
BillboardVertex[] vertices = new BillboardVertex[4];
vertices[0].Position = Vector3.Zero;
vertices[1].Position = Vector3.Zero;
vertices[2].Position = Vector3.Zero;
vertices[3].Position = Vector3.Zero;
vertices[0].Normal = Vector3.Up;
vertices[1].Normal = Vector3.Up;
vertices[2].Normal = Vector3.Up;
vertices[3].Normal = Vector3.Up;
vertices[0].TexCoord = Vector2.Zero;
vertices[1].TexCoord = Vector2.UnitX;
vertices[2].TexCoord = Vector2.One;
vertices[3].TexCoord = Vector2.UnitY;
float randValue = 0.5f;
if (manifest.Properties.ContainsKey(ManifestKeys.IS_RANDOMIZED) &&
(bool)(manifest.Properties[ManifestKeys.IS_RANDOMIZED]))
randValue = (float)(GameResources.ActorManager.Random.Next(-524288, 524288)) / (float)524288;
vertices[0].Random = randValue;
vertices[1].Random = randValue;
vertices[2].Random = randValue;
vertices[3].Random = randValue;
mGeometry.VertexBuffer = new VertexBuffer(
SharedResources.Game.GraphicsDevice,
BillboardVertex.VertexDeclaration,
4,
BufferUsage.None);
mGeometry.VertexBuffer.SetData(vertices);
// Create and populate the index buffer.
ushort[] indices = new ushort[] { 0, 1, 2, 0, 2, 3 };
mGeometry.IndexBuffer = new IndexBuffer(
SharedResources.Game.GraphicsDevice,
typeof(ushort),
indices.Length,
BufferUsage.None);
mGeometry.IndexBuffer.SetData(indices);
mGeometry.NumVertices = 4;
mGeometry.PrimitiveCount = 2;
mGeometry.StartIndex = 0;
mGeometry.VertexOffset = 0;
GameResources.ActorManager.PreAnimationUpdateStep += PreAnimationUpdateHandler;
base.Initialize(contentLoader, manifest);
}
public static void Initialize()
{
List <VertexPositionNormalTexture> shapesVertices = new List <VertexPositionNormalTexture>();
List <short> shapesIndices = new List <short>();
// Sphere.
Sphere = new MeshPart();
Sphere.VertexOffset = shapesVertices.Count;
Sphere.StartIndex = shapesIndices.Count;
const int SPHERE_NUM_SEGMENTS = 32;
const int SPHERE_NUM_RINGS = 18;
// Poles: note that there will be texture coordinate distortion as there is
// not a unique point on the texture map to assign to the pole when mapping
// a rectangular texture onto a sphere.
VertexPositionNormalTexture topVertex = new VertexPositionNormalTexture(Vector3.Up, Vector3.Up, Vector2.Zero);
VertexPositionNormalTexture bottomVertex = new VertexPositionNormalTexture(Vector3.Down, Vector3.Down, Vector2.UnitY);
shapesVertices.Add(topVertex);
float phiStep = MathHelper.Pi / SPHERE_NUM_RINGS;
float thetaStep = MathHelper.TwoPi / SPHERE_NUM_SEGMENTS;
// Compute vertices for each ring (do not count the poles as rings).
for (int i = 1; i < SPHERE_NUM_RINGS; ++i)
{
float phi = i * phiStep;
// Vertices of ring. Note that we're adding an extra vertex on each ring so the uv coords will wrap correctly.
for (int j = 0; j <= SPHERE_NUM_SEGMENTS; ++j)
{
float theta = j * thetaStep;
VertexPositionNormalTexture v;
// spherical to cartesian
v.Position.X = (float)(Math.Sin(phi) * Math.Cos(theta));
v.Position.Y = (float)(Math.Cos(phi));
v.Position.Z = (float)(Math.Sin(phi) * Math.Sin(theta));
v.Normal = v.Position;
v.TextureCoordinate.X = theta / MathHelper.TwoPi;
v.TextureCoordinate.Y = phi / MathHelper.Pi;
shapesVertices.Add(v);
}
}
shapesVertices.Add(bottomVertex);
// Compute indices for top ring. The top ring was written first to the vertex buffer
// and connects the top pole to the first ring.
for (short j = 1; j <= SPHERE_NUM_SEGMENTS; ++j)
{
shapesIndices.Add(0);
shapesIndices.Add((short)(j + 1));
shapesIndices.Add(j);
}
// Compute indices for inner stacks (not connected to poles).
// Offset the indices to the index of the first vertex in the first ring.
// This is just skipping the top pole vertex.
int baseIndex = 1;
int verticesPerRing = SPHERE_NUM_SEGMENTS + 1;
for (int i = 0; i < SPHERE_NUM_RINGS - 2; ++i)
{
for (int j = 0; j < SPHERE_NUM_SEGMENTS; ++j)
{
shapesIndices.Add((short)(baseIndex + i * verticesPerRing + j));
shapesIndices.Add((short)(baseIndex + i * verticesPerRing + j + 1));
shapesIndices.Add((short)(baseIndex + (i + 1) * verticesPerRing + j));
shapesIndices.Add((short)(baseIndex + i * verticesPerRing + j + 1));
shapesIndices.Add((short)(baseIndex + (i + 1) * verticesPerRing + j + 1));
shapesIndices.Add((short)(baseIndex + (i + 1) * verticesPerRing + j));
}
}
// Compute indices for bottom stack. The bottom stack was written last to the vertex buffer
// and connects the bottom pole to the bottom ring.
short southPoleIndex = (short)(1 + verticesPerRing * (SPHERE_NUM_RINGS - 1));
// Offset the indices to the index of the first vertex in the last ring.
baseIndex = southPoleIndex - verticesPerRing;
for (short j = 0; j < SPHERE_NUM_SEGMENTS; ++j)
{
shapesIndices.Add(southPoleIndex);
shapesIndices.Add((short)(baseIndex + j));
shapesIndices.Add((short)(baseIndex + j + 1));
}
Sphere.NumVertices = shapesVertices.Count - Sphere.VertexOffset;
Sphere.PrimitiveCount = (shapesIndices.Count - Sphere.StartIndex) / 3;
// Box.
Box = new MeshPart();
Box.VertexOffset = shapesVertices.Count;
Box.StartIndex = shapesIndices.Count;
VertexPositionNormalTexture[] box = new VertexPositionNormalTexture[24];
Vector3[] orderOfFaces = { Vector3.Backward, Vector3.Forward, Vector3.Up, Vector3.Down, Vector3.Left, Vector3.Right };
Vector2[] orderOfTexCoords = { Vector2.UnitY, Vector2.One, Vector2.UnitX, Vector2.Zero };
for (int b = 0; b < 24; ++b)
{
box[b].Normal = orderOfFaces[b / 4];
box[b].TextureCoordinate = orderOfTexCoords[b % 4];
}
// Back face (normal is backward vector (0, 0, -1,))
box[0].Position = new Vector3(-1.0f, -1.0f, 1.0f);
box[1].Position = new Vector3(+1.0f, -1.0f, 1.0f);
box[2].Position = new Vector3(+1.0f, +1.0f, 1.0f);
box[3].Position = new Vector3(-1.0f, +1.0f, 1.0f);
// Front face
box[4].Position = new Vector3(+1.0f, -1.0f, -1.0f);
box[5].Position = new Vector3(-1.0f, -1.0f, -1.0f);
box[6].Position = new Vector3(-1.0f, +1.0f, -1.0f);
box[7].Position = new Vector3(+1.0f, +1.0f, -1.0f);
// Top face
box[8].Position = new Vector3(-1.0f, 1.0f, +1.0f);
box[9].Position = new Vector3(+1.0f, 1.0f, +1.0f);
box[10].Position = new Vector3(+1.0f, 1.0f, -1.0f);
box[11].Position = new Vector3(-1.0f, 1.0f, -1.0f);
// Bottom face
box[12].Position = new Vector3(-1.0f, -1.0f, -1.0f);
box[13].Position = new Vector3(+1.0f, -1.0f, -1.0f);
box[14].Position = new Vector3(+1.0f, -1.0f, +1.0f);
box[15].Position = new Vector3(-1.0f, -1.0f, +1.0f);
// Left face
box[16].Position = new Vector3(-1.0f, -1.0f, -1.0f);
box[17].Position = new Vector3(-1.0f, -1.0f, +1.0f);
box[18].Position = new Vector3(-1.0f, +1.0f, +1.0f);
box[19].Position = new Vector3(-1.0f, +1.0f, -1.0f);
// Right face
box[20].Position = new Vector3(1.0f, -1.0f, +1.0f);
box[21].Position = new Vector3(1.0f, -1.0f, -1.0f);
box[22].Position = new Vector3(1.0f, +1.0f, -1.0f);
box[23].Position = new Vector3(1.0f, +1.0f, +1.0f);
shapesVertices.AddRange(box);
for (int b = 0; b < 21; b += 4)
{
shapesIndices.Add((short)b);
shapesIndices.Add((short)(b + 2));
shapesIndices.Add((short)(b + 1));
shapesIndices.Add((short)(b));
shapesIndices.Add((short)(b + 3));
shapesIndices.Add((short)(b + 2));
}
Box.NumVertices = shapesVertices.Count - Box.VertexOffset;
Box.PrimitiveCount = (shapesIndices.Count - Box.StartIndex) / 3;
VertexBuffer shapesVB = new VertexBuffer(SharedResources.Game.GraphicsDevice, VertexPositionNormalTexture.VertexDeclaration, shapesVertices.Count, BufferUsage.None);
shapesVB.SetData(shapesVertices.ToArray());
IndexBuffer shapesIB = new IndexBuffer(SharedResources.Game.GraphicsDevice, IndexElementSize.SixteenBits, shapesIndices.Count, BufferUsage.None);
shapesIB.SetData(shapesIndices.ToArray());
Sphere.IndexBuffer = shapesIB;
Sphere.VertexBuffer = shapesVB;
Box.IndexBuffer = shapesIB;
Box.VertexBuffer = shapesVB;
}
public AlphaCutoutGeometryNode(MeshPart geometry, EffectApplication defaultOpaqueMaterial, EffectApplication defaultFringeMaterial)
: base(geometry, defaultOpaqueMaterial)
{
mFringeMaterials = new Dictionary <TraversalContext.MaterialFlags, EffectApplication>();
mFringeMaterials.Add(TraversalContext.MaterialFlags.None, defaultFringeMaterial);
}
public RawGeometryNode(MeshPart geometry, EffectApplication defaultMaterial)
: base(defaultMaterial)
{
Geometry = geometry;
}
