//----------------------------------------------------------------------------
void ExtremalQuery::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mCullState = new0 CullState();
mCullState->Enabled = false;
mRenderer->SetOverrideCullState(mCullState);
const int numVertices = 32;
CreateConvexPolyhedron(numVertices);
mScene->AttachChild(CreateVisualConvexPolyhedron());
// Use small spheres to show the extreme points in the camera's right
// direction.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, 0);
StandardMesh sm(vformat);
VertexColor3Effect* effect = new0 VertexColor3Effect();
// maximum sphere
mMaxSphere = sm.Sphere(8, 8, 0.05f);
mMaxSphere->SetEffectInstance(effect->CreateInstance());
mScene->AttachChild(mMaxSphere);
// minimum sphere
mMinSphere = sm.Sphere(8, 8, 0.05f);
mMinSphere->SetEffectInstance(effect->CreateInstance());
mScene->AttachChild(mMinSphere);
UpdateExtremePoints();
}
//----------------------------------------------------------------------------
void BlendedAnimations::CreateScene ()
{
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mScene = new0 Node();
mScene->AttachChild(mManager.GetRoot());
// Create a floor to walk on.
VertexFormat* vformat = VertexFormat::Create(3,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_NORMAL, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
mFloor = StandardMesh(vformat).Rectangle(2, 2, 1024.0f, 2048.0f);
VertexBufferAccessor vba(mFloor);
for (int i = 0; i < vba.GetNumVertices(); ++i)
{
Float2& tcoord = vba.TCoord<Float2>(0, i);
tcoord[0] *= 64.0f;
tcoord[1] *= 256.0f;
}
std::string textureName = Environment::GetPathR("Grating.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(textureName);
texture->GenerateMipmaps();
mFloor->SetEffectInstance(Texture2DEffect::CreateUniqueInstance(texture,
Shader::SF_LINEAR_LINEAR, Shader::SC_REPEAT, Shader::SC_REPEAT));
mScene->AttachChild(mFloor);
ComputeVisibleSet(mScene);
}
//----------------------------------------------------------------------------
void FreeFormDeformation::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
// Load the small brain data set. It has positions (x,y,z) and texture
// coordinates (u,v).
std::string path = Environment::GetPathR("SmallBrainPT2.wmvf");
Visual::PrimitiveType type;
VertexFormat* vformat;
VertexBuffer* vbuffer;
IndexBuffer* ibuffer;
Visual::LoadWMVF(path, type, vformat, vbuffer, ibuffer);
path = Environment::GetPathR("Quartz.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(path);
mMesh = new0 TriMesh(vformat, vbuffer, ibuffer);
mMesh->SetEffectInstance(Texture2DEffect::CreateUniqueInstance(texture,
Shader::SF_LINEAR, Shader::SC_CLAMP_EDGE, Shader::SC_CLAMP_EDGE));
mTrnNode->AttachChild(mMesh);
CreateBSplineVolume();
CreatePolylines();
CreateControlBoxes();
}
//----------------------------------------------------------------------------
void FoucaultPendulum::CreateScene ()
{
mScene = new0 Node();
mScene->AttachChild(CreateFloor());
mScene->AttachChild(CreatePath());
mScene->AttachChild(CreatePendulum());
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
}
//----------------------------------------------------------------------------
void SimplePendulumFriction::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mScene->AttachChild(CreateFloor());
mScene->AttachChild(CreatePendulum());
}
//----------------------------------------------------------------------------
void PointInPolyhedron::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
// Create a semitransparent sphere mesh.
VertexFormat* vformatMesh = VertexFormat::Create(1,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0);
TriMesh* mesh = StandardMesh(vformatMesh).Sphere(16, 16, 1.0f);
Material* material = new0 Material();
material->Diffuse = Float4(1.0f, 0.0f, 0.0f, 0.25f);
VisualEffectInstance* instance = MaterialEffect::CreateUniqueInstance(
material);
instance->GetEffect()->GetAlphaState(0, 0)->BlendEnabled = true;
mesh->SetEffectInstance(instance);
// Create the data structures for the polyhedron that represents the
// sphere mesh.
CreateQuery(mesh);
// Create a set of random points. Points inside the polyhedron are
// colored white. Points outside the polyhedron are colored blue.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, 0);
int vstride = vformat->GetStride();
VertexBuffer* vbuffer = new0 VertexBuffer(1024, vstride);
VertexBufferAccessor vba(vformat, vbuffer);
Float3 white(1.0f, 1.0f, 1.0f);
Float3 blue(0.0f, 0.0f, 1.0f);
for (int i = 0; i < vba.GetNumVertices(); ++i)
{
Vector3f random(Mathf::SymmetricRandom(),
Mathf::SymmetricRandom(), Mathf::SymmetricRandom());
vba.Position<Vector3f>(i) = random;
if (mQuery->Contains(random))
{
vba.Color<Float3>(0, i) = white;
}
else
{
vba.Color<Float3>(0, i) = blue;
}
}
DeleteQuery();
mPoints = new0 Polypoint(vformat, vbuffer);
mPoints->SetEffectInstance(VertexColor3Effect::CreateUniqueInstance());
mScene->AttachChild(mPoints);
mScene->AttachChild(mesh);
}
//----------------------------------------------------------------------------
void WrigglingSnake::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
CreateSnake();
}
//----------------------------------------------------------------------------
void PlanarShadows::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
LoadBiped();
CreatePlanes();
CreatePlanarShadow();
}
//----------------------------------------------------------------------------
void PlanarReflections::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
LoadBiped();
CreatePlanes();
CreatePlanarReflection();
mScene->LocalTransform.SetRotate(HMatrix(AVector::UNIT_Z, 0.75f));
}
//----------------------------------------------------------------------------
void GelatinCube::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
CreateSprings();
CreateBox();
}
//----------------------------------------------------------------------------
void RoughPlaneSolidBox::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mScene->AttachChild(CreateGround());
mScene->AttachChild(CreateRamp());
mScene->AttachChild(CreateBox());
mScene->LocalTransform.SetRotate(HMatrix(AVector::UNIT_Z, 0.661917f));
}
//----------------------------------------------------------------------------
void PolyhedronDistance::CreateScene ()
{
// ** layout of scene graph **
// scene
// tetra[4]
// plane
// line[2]
// Create the objects.
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
TriMesh* plane = CreatePlane();
int i;
for (i = 0; i < 2; ++i)
{
// Build the display tetrahedra.
float size = 0.3f + 0.2f*(i + 1);
if (i == 0)
{
mEdgeLength = size;
}
mTetras[i] = CreateTetra(size, false);
mSegments[i] = CreateSegment();
// Build the point tetrahedra.
mSmall = 0.02f;
mTetras[i + 2] = CreateTetra(mSmall, true);
}
// Tetrahedra faces.
mFaces = new1<Tuple<3,int> >(4);
mFaces[0][0] = 1; mFaces[0][1] = 2; mFaces[0][2] = 0;
mFaces[1][0] = 0; mFaces[1][1] = 3; mFaces[1][2] = 2;
mFaces[2][0] = 0; mFaces[2][1] = 1; mFaces[2][2] = 3;
mFaces[3][0] = 1; mFaces[3][1] = 2; mFaces[3][2] = 3;
// Transform the tetrahedra.
mTetras[0]->LocalTransform.SetRotate(HMatrix(AVector::UNIT_Z, 1.1f));
mTetras[0]->LocalTransform.SetTranslate(APoint(-0.25f, 0.1f, 0.3f));
mTetras[1]->LocalTransform.SetRotate(HMatrix(AVector::UNIT_Z, 0.3f));
mTetras[1]->LocalTransform.SetTranslate(APoint(0.25f, 0.4f, 0.5f));
// Set parent-child links.
mScene->AttachChild(plane);
for (i = 0; i < 2; ++i)
{
mScene->AttachChild(mTetras[i]);
mScene->AttachChild(mSegments[i]);
mScene->AttachChild(mTetras[i + 2]);
}
}
//----------------------------------------------------------------------------
void WaterDropFormation::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
CreatePlane();
CreateWall();
CreateWaterRoot();
Configuration0();
}
//----------------------------------------------------------------------------
bool FxCompiler::CreateEffect (const Program& vProgram,
const Program& pProgram)
{
InputArray vInputs, pInputs;
OutputArray vOutputs, pOutputs;
ConstantArray vConstants, pConstants;
SamplerArray vSamplers, pSamplers;
if (!Process(vProgram, vInputs, vOutputs, vConstants, vSamplers))
{
return false;
}
if (!Process(pProgram, pInputs, pOutputs, pConstants, pSamplers))
{
return false;
}
mVShader = (VertexShader*)CreateShader(true, vProgram, vInputs, vOutputs,
vConstants, vSamplers);
mPShader = (PixelShader*)CreateShader(false, pProgram, pInputs, pOutputs,
pConstants, pSamplers);
VisualPass* pass = new0 VisualPass();
pass->SetVertexShader(mVShader);
pass->SetPixelShader(mPShader);
// TODO. Once Cg FX files are parsed, the global state from each pass
// should be set here. For now, the application is responsible for
// setting the global state after the *.wmfx file is loaded.
pass->SetAlphaState(new0 AlphaState());
pass->SetCullState(new0 CullState());
pass->SetDepthState(new0 DepthState());
pass->SetOffsetState(new0 OffsetState());
pass->SetStencilState(new0 StencilState());
pass->SetWireState(new0 WireState());
// TODO. Once Cg FX files are parsed, we might have multiple techniques
// or multiple passes per technique.
VisualTechnique* technique = new0 VisualTechnique();
technique->InsertPass(pass);
mEffect = new0 VisualEffect();
mEffect->InsertTechnique(technique);
return true;
}
//----------------------------------------------------------------------------
void NonuniformScale::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
mMesh = StandardMesh(vformat).Dodecahedron();
std::string path = Environment::GetPathR("Flower.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(path);
mMesh->SetEffectInstance(Texture2DEffect::CreateUniqueInstance(texture,
Shader::SF_LINEAR, Shader::SC_CLAMP_EDGE, Shader::SC_CLAMP_EDGE));
mScene->AttachChild(mMesh);
}
//----------------------------------------------------------------------------
void IntersectTriangleCylinder::CreateScene ()
{
mScene = new0 Node();
mCullState = new0 CullState();
mCullState->Enabled = false;
mRenderer->SetOverrideCullState(mCullState);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, 0);
int vstride = vformat->GetStride();
VertexBuffer* vbuffer = new0 VertexBuffer(3, vstride);
VertexBufferAccessor vba(vformat, vbuffer);
vba.Position<Vector3f>(0) = (const Vector3f&)mTriangleMVertex0;
vba.Color<Float3>(0, 0) = Float3(0.0f, 0.0f, 1.0f);
vba.Position<Vector3f>(1) = (const Vector3f&)mTriangleMVertex1;
vba.Color<Float3>(0, 1) = Float3(0.0f, 0.0f, 1.0f);
vba.Position<Vector3f>(2) = (const Vector3f&)mTriangleMVertex2;
vba.Color<Float3>(0, 2) = Float3(0.0f, 0.0f, 1.0f);
IndexBuffer* ibuffer = new0 IndexBuffer(3, sizeof(int));
int* indices = (int*)ibuffer->GetData();
indices[0] = 0;
indices[1] = 1;
indices[2] = 2;
mTMesh = new0 TriMesh(vformat, vbuffer, ibuffer);
mTMesh->SetEffectInstance(
VertexColor3Effect::CreateUniqueInstance());
mTMesh->LocalTransform.SetTranslate(APoint(0.0f, 1.125f, 0.0f));
mCMesh = StandardMesh(vformat).Cylinder(8, 16, mCylinderRadius,
mCylinderHeight, false);
vba.ApplyTo(mCMesh);
for (int i = 0; i < vba.GetNumVertices(); ++i)
{
vba.Color<Float3>(0, i) = Float3(1.0f, 0.0f, 0.0f);
}
mCMesh->SetEffectInstance(
VertexColor3Effect::CreateUniqueInstance());
mScene->AttachChild(mTMesh);
mScene->AttachChild(mCMesh);
}
//----------------------------------------------------------------------------
void BouncingBall::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
CreateBall();
CreateFloor();
CreateWall();
mScene->AttachChild(mFloor);
mScene->AttachChild(mWall);
// The floor reflects an image of the ball.
mPREffect = new0 PlanarReflectionEffect(1);
mPREffect->SetPlane(0, mFloor);
mPREffect->SetReflectance(0, 0.2f);
}
//----------------------------------------------------------------------------
void ConvexHull3D::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mCullState = new0 CullState();
mCullState->Enabled = false;
mRenderer->SetOverrideCullState(mCullState);
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, 0);
TriMesh* sphere = StandardMesh(vformat).Sphere(8, 8, 0.01f);
sphere->SetEffectInstance(VertexColor3Effect::CreateUniqueInstance());
mTrnNode->SetChild(1, sphere);
// The current file is "Data/data01.txt".
LoadData();
}
//----------------------------------------------------------------------------
void HelixTubeSurface::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
mCurve = CreateCurve();
Float2 tcoordMin(0.0f, 0.0f), tcoordMax(1.0f, 32.0f);
TubeSurface* tube = new TubeSurface(mCurve, Radial, false,
Vector3f::UNIT_Z, 256, 32, false, true, &tcoordMin, &tcoordMax,
vformat);
std::string path = Environment::GetPathR("Grating.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(path);
tube->SetEffectInstance(Texture2DEffect::CreateUniqueInstance(texture,
Shader::SF_LINEAR, Shader::SC_REPEAT, Shader::SC_REPEAT));
mScene->AttachChild(tube);
}
//----------------------------------------------------------------------------
void ClodMeshes::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
// Load the face model.
#ifdef WM5_LITTLE_ENDIAN
std::string path = Environment::GetPathR("FacePN.wmof");
#else
std::string path = Environment::GetPathR("FacePN.be.wmof");
#endif
InStream inStream;
inStream.Load(path);
TriMeshPtr mesh = StaticCast<TriMesh>(inStream.GetObjectAt(0));
VertexBufferAccessor vba0(mesh);
// Remove the normals and add texture coordinates.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
int vstride = vformat->GetStride();
VertexBuffer* vbuffer = new0 VertexBuffer(vba0.GetNumVertices(), vstride);
VertexBufferAccessor vba1(vformat, vbuffer);
float xmin = Mathf::MAX_REAL, xmax = -Mathf::MAX_REAL;
float ymin = Mathf::MAX_REAL, ymax = -Mathf::MAX_REAL;
int i;
for (i = 0; i < vba0.GetNumVertices(); ++i)
{
Float3 position = vba0.Position<Float3>(i);
vba1.Position<Float3>(i) = position;
float x = position[0];
float y = position[2];
vba1.TCoord<Float2>(0, i) = Float2(x, y);
if (x < xmin)
{
xmin = x;
}
if (x > xmax)
{
xmax = x;
}
if (y < ymin)
{
ymin = y;
}
if (y > ymax)
{
ymax = y;
}
}
float xmult = 1.0f/(xmax - xmin);
float ymult = 1.0f/(ymax - ymin);
for (i = 0; i < vba1.GetNumVertices(); ++i)
{
Float2 tcoord = vba1.TCoord<Float2>(0, i);
vba1.TCoord<Float2>(0,i) = Float2(
(tcoord[0] - xmin)*xmult,
(tcoord[1] - ymin)*ymult);
}
mesh->SetVertexFormat(vformat);
mesh->SetVertexBuffer(vbuffer);
// Create a texture for the face. Use the generated texture coordinates.
Texture2DEffect* effect = new0 Texture2DEffect(Shader::SF_LINEAR);
path = Environment::GetPathR("Magician.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(path);
#ifdef USE_CLOD_MESH
// Create the collapse records to be shared by two CLOD meshes.
int numRecords = 0;
CollapseRecord* records = 0;
CreateClodMesh ccm(mesh, numRecords, records);
CollapseRecordArray* recordArray = new0 CollapseRecordArray(numRecords,
records);
mClod[0] = new0 ClodMesh(mesh, recordArray);
mClod[0]->LocalTransform = mesh->LocalTransform;
mClod[0]->LocalTransform.SetTranslate(mesh->LocalTransform.GetTranslate()
- 150.0f*AVector::UNIT_X);
mClod[0]->SetEffectInstance(effect->CreateInstance(texture));
mTrnNode->AttachChild(mClod[0]);
mClod[1] = new0 ClodMesh(mesh, recordArray);
mClod[1]->LocalTransform = mesh->LocalTransform;
mClod[1]->LocalTransform.SetTranslate(mesh->LocalTransform.GetTranslate()
+ 150.0f*AVector::UNIT_X - 100.0f*AVector::UNIT_Y);
mClod[1]->SetEffectInstance(effect->CreateInstance(texture));
mTrnNode->AttachChild(mClod[1]);
mActive = mClod[0];
#else
IndexBuffer* ibuffer = mesh->GetIndexBuffer();
TriMesh* face = new0 TriMesh(vformat, vbuffer,ibuffer);
face->LocalTransform = mesh->LocalTransform;
face->LocalTransform.SetTranslate(mesh->LocalTransform.GetTranslate() -
150.0f*AVector::UNIT_X);
face->SetEffectInstance(effect->CreateInstance(texture));
mTrnNode->AttachChild(face);
face = new0 TriMesh(vformat, vbuffer, ibuffer);
face->LocalTransform = mesh->LocalTransform;
face->LocalTransform.SetTranslate(mesh->LocalTransform.GetTranslate() +
150.0f*AVector::UNIT_X);
face->SetEffectInstance(effect->CreateInstance(texture));
mTrnNode->AttachChild(face);
#endif
}
//----------------------------------------------------------------------------
void CubeMaps::CreateScene ()
{
// Create the root of the scene.
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
// Create the walls of the cube room. Each of the six texture images is
// RGBA 64-by-64.
Node* room = new0 Node();
mScene->AttachChild(room);
// Index buffer shared by the room walls.
IndexBuffer* ibuffer = new0 IndexBuffer(6, sizeof(int));
int* indices = (int*)ibuffer->GetData();
indices[0] = 0; indices[1] = 1; indices[2] = 3;
indices[3] = 0; indices[4] = 3; indices[5] = 2;
// The vertex format shared by the room walls.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
int vstride = vformat->GetStride();
VertexBufferAccessor vba;
// The texture effect shared by the room walls.
Texture2DEffect* effect = new0 Texture2DEffect(Shader::SF_LINEAR);
VertexBuffer* vbuffer;
TriMesh* wall;
std::string textureName;
// +x wall
vbuffer = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(+1.0f, -1.0f, -1.0f);
vba.Position<Float3>(1) = Float3(+1.0f, -1.0f, +1.0f);
vba.Position<Float3>(2) = Float3(+1.0f, +1.0f, -1.0f);
vba.Position<Float3>(3) = Float3(+1.0f, +1.0f, +1.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(0.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(1.0f, 1.0f);
wall = new0 TriMesh(vformat, vbuffer, ibuffer);
room->AttachChild(wall);
textureName = Environment::GetPathR("XpFace.wmtf");
Texture2D* xpTexture = Texture2D::LoadWMTF(textureName);
wall->SetEffectInstance(effect->CreateInstance(xpTexture));
// -x wall
vbuffer = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(-1.0f, -1.0f, +1.0f);
vba.Position<Float3>(1) = Float3(-1.0f, -1.0f, -1.0f);
vba.Position<Float3>(2) = Float3(-1.0f, +1.0f, +1.0f);
vba.Position<Float3>(3) = Float3(-1.0f, +1.0f, -1.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(0.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(1.0f, 1.0f);
wall = new0 TriMesh(vformat, vbuffer, ibuffer);
room->AttachChild(wall);
textureName = Environment::GetPathR("XmFace.wmtf");
Texture2D* xmTexture = Texture2D::LoadWMTF(textureName);
wall->SetEffectInstance(effect->CreateInstance(xmTexture));
// +y wall
vbuffer = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(+1.0f, +1.0f, +1.0f);
vba.Position<Float3>(1) = Float3(-1.0f, +1.0f, +1.0f);
vba.Position<Float3>(2) = Float3(+1.0f, +1.0f, -1.0f);
vba.Position<Float3>(3) = Float3(-1.0f, +1.0f, -1.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(0.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(1.0f, 1.0f);
wall = new0 TriMesh(vformat, vbuffer, ibuffer);
room->AttachChild(wall);
textureName = Environment::GetPathR("YpFace.wmtf");
Texture2D* ypTexture = Texture2D::LoadWMTF(textureName);
wall->SetEffectInstance(effect->CreateInstance(ypTexture));
// -y wall
vbuffer = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(+1.0f, -1.0f, -1.0f);
vba.Position<Float3>(1) = Float3(-1.0f, -1.0f, -1.0f);
vba.Position<Float3>(2) = Float3(+1.0f, -1.0f, +1.0f);
vba.Position<Float3>(3) = Float3(-1.0f, -1.0f, +1.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(0.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(1.0f, 1.0f);
wall = new0 TriMesh(vformat, vbuffer, ibuffer);
room->AttachChild(wall);
textureName = Environment::GetPathR("YmFace.wmtf");
Texture2D* ymTexture = Texture2D::LoadWMTF(textureName);
wall->SetEffectInstance(effect->CreateInstance(ymTexture));
// +z wall
vbuffer = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(+1.0f, -1.0f, +1.0f);
vba.Position<Float3>(1) = Float3(-1.0f, -1.0f, +1.0f);
vba.Position<Float3>(2) = Float3(+1.0f, +1.0f, +1.0f);
vba.Position<Float3>(3) = Float3(-1.0f, +1.0f, +1.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(0.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(1.0f, 1.0f);
wall = new0 TriMesh(vformat, vbuffer, ibuffer);
room->AttachChild(wall);
textureName = Environment::GetPathR("ZpFace.wmtf");
Texture2D* zpTexture = Texture2D::LoadWMTF(textureName);
wall->SetEffectInstance(effect->CreateInstance(zpTexture));
// -z wall
vbuffer = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(-1.0f, -1.0f, -1.0f);
vba.Position<Float3>(1) = Float3(+1.0f, -1.0f, -1.0f);
vba.Position<Float3>(2) = Float3(-1.0f, +1.0f, -1.0f);
vba.Position<Float3>(3) = Float3(+1.0f, +1.0f, -1.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(0.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(1.0f, 1.0f);
wall = new0 TriMesh(vformat, vbuffer, ibuffer);
room->AttachChild(wall);
textureName = Environment::GetPathR("ZmFace.wmtf");
Texture2D* zmTexture = Texture2D::LoadWMTF(textureName);
wall->SetEffectInstance(effect->CreateInstance(zmTexture));
// A sphere to reflect the environment via a cube map. The colors will
// be used to modulate the cube map texture.
vformat = VertexFormat::Create(3,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_NORMAL, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, 0);
vstride = vformat->GetStride();
mSphere = StandardMesh(vformat).Sphere(64, 64, 0.125f);
room->AttachChild(mSphere);
// Generate random vertex colors for the sphere. The StandardMesh class
// produces a sphere with duplicated vertices along a longitude line.
// This allows texture coordinates to be assigned in a manner that treats
// the sphere as if it were a rectangle mesh. For vertex colors, we want
// the duplicated vertices to have the same color, so a hash table is used
// to look up vertex colors for the duplicates.
vba.ApplyTo(mSphere);
std::map<Float3,Float3> dataMap;
for (int i = 0; i < vba.GetNumVertices(); ++i)
{
Float3& position = vba.Position<Float3>(i);
Float3& color = vba.Color<Float3>(0, i);
std::map<Float3,Float3>::iterator iter = dataMap.find(position);
if (iter != dataMap.end())
{
color = iter->second;
}
else
{
color[0] = 0.0f;
color[1] = Mathf::IntervalRandom(0.5f, 0.75f);
color[2] = Mathf::IntervalRandom(0.75f, 1.0f);
dataMap.insert(std::make_pair(position, color));
}
}
// Create the cube map and attach it to the sphere.
std::string effectFile = Environment::GetPathR("CubeMap.wmfx");
CubeMapEffect* cubeMapEffect = new0 CubeMapEffect(effectFile);
ShaderFloat* reflectivity = new0 ShaderFloat(1);
(*reflectivity)[0] = 0.5f;
std::string cubeName = Environment::GetPathR("CubeMap.wmtf");
TextureCube* cubeTexture = TextureCube::LoadWMTF(cubeName);
cubeTexture->GenerateMipmaps();
mCubeMapInstance = cubeMapEffect->CreateInstance(cubeTexture,
reflectivity, false);
mSphere->SetEffectInstance(mCubeMapInstance);
// Allow culling to be disabled on the sphere so when you move inside
// the sphere, you can see the previously hidden facets and verify that
// the cube image for those facets is correctly oriented.
mSphereCullState = cubeMapEffect->GetCullState(0, 0);
}
//----------------------------------------------------------------------------
void CollisionsBoundTree::CreateScene ()
{
// The root of the scene will have two cylinders as children.
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mCullState = new0 CullState();
mCullState->Enabled = false;
mRenderer->SetOverrideCullState(mCullState);
// Create a texture image to be used by both cylinders.
Texture2D* texture = new0 Texture2D(Texture::TF_A8R8G8B8, 2, 2, 1);
unsigned int* data = (unsigned int*)texture->GetData(0);
data[0] = Color::MakeR8G8B8(0, 0, 255); // blue
data[1] = Color::MakeR8G8B8(0, 255, 255); // cyan
data[2] = Color::MakeR8G8B8(255, 0, 0); // red
data[3] = Color::MakeR8G8B8(255, 255, 0); // yellow
Texture2DEffect* effect = new0 Texture2DEffect(Shader::SF_LINEAR);
// Create two cylinders, one short and thick, one tall and thin.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
StandardMesh sm(vformat);
VertexBufferAccessor vba;
int i;
mCylinder0 = sm.Cylinder(8, 16, 1.0f, 2.0f, false);
vba.ApplyTo(mCylinder0);
for (i = 0; i < vba.GetNumVertices(); ++i)
{
vba.TCoord<Float2>(0, i) = mBlueUV;
}
mCylinder0->SetEffectInstance(effect->CreateInstance(texture));
mScene->AttachChild(mCylinder0);
mCylinder1 = sm.Cylinder(16,8,0.25,4.0,false);
vba.ApplyTo(mCylinder1);
for (i = 0; i < vba.GetNumVertices(); ++i)
{
vba.TCoord<Float2>(0, i) = mRedUV;
}
mCylinder1->SetEffectInstance(effect->CreateInstance(texture));
mScene->AttachChild(mCylinder1);
mScene->Update();
// Set up the collision system. Record0 handles the collision response.
// Record1 is not given a callback so that 'double processing' of the
// events does not occur.
CTree* tree0 = new0 CTree(mCylinder0, 1, false);
CRecord* record0 = new0 CRecord(tree0, 0, Response, this);
CTree* tree1 = new0 CTree(mCylinder1, 1, false);
CRecord* record1 = new0 CRecord(tree1, 0, 0, 0);
mGroup = new0 CGroup();
mGroup->Add(record0);
mGroup->Add(record1);
ResetColors();
mGroup->TestIntersection();
}
//----------------------------------------------------------------------------
void BSplineSurfaceFitter::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mCullState = new0 CullState();
mCullState->Enabled = false;
mRenderer->SetOverrideCullState(mCullState);
// Begin with a flat 64x64 height field.
const int numSamples = 64;
const float extent = 8.0f;
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
mHeightField = StandardMesh(vformat).Rectangle(numSamples, numSamples,
extent, extent);
mScene->AttachChild(mHeightField);
// Set the heights based on a precomputed height field. Also create a
// texture image to go with the height field.
std::string path = Environment::GetPathR("HeightField.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(path);
VisualEffectInstance* instance = Texture2DEffect::CreateUniqueInstance(
texture, Shader::SF_LINEAR, Shader::SC_CLAMP_EDGE,
Shader::SC_CLAMP_EDGE);
mHeightField->SetEffectInstance(instance);
unsigned char* data = (unsigned char*)texture->GetData(0);
VertexBufferAccessor vba(mHeightField);
Vector3f** samplePoints = new2<Vector3f>(numSamples, numSamples);
int i;
for (i = 0; i < vba.GetNumVertices(); ++i)
{
unsigned char value = *data;
float height = 3.0f*((float)value)/255.0f +
0.05f*Mathf::SymmetricRandom();
*data++ = (unsigned char)Mathf::IntervalRandom(32.0f, 64.0f);
*data++ = 3*(128 - value/2)/4;
*data++ = 0;
data++;
vba.Position<Vector3f>(i).Z() = height;
samplePoints[i % numSamples][i / numSamples] =
vba.Position<Vector3f>(i);
}
// Compute a B-Spline surface with NxN control points, where N < 64.
// This surface will be sampled to 64x64 and displayed together with the
// original height field for comparison.
const int numCtrlPoints = 32;
const int degree = 3;
BSplineSurfaceFitf fitter(degree, numCtrlPoints, numSamples, degree,
numCtrlPoints, numSamples, samplePoints);
delete2(samplePoints);
vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT4, 0);
mFittedField = StandardMesh(vformat).Rectangle(numSamples, numSamples,
extent, extent);
mScene->AttachChild(mFittedField);
vba.ApplyTo(mFittedField);
Float4 translucent(1.0f, 1.0f, 1.0f, 0.5f);
for (i = 0; i < vba.GetNumVertices(); ++i)
{
float u = 0.5f*(vba.Position<Vector3f>(i).X()/extent + 1.0f);
float v = 0.5f*(vba.Position<Vector3f>(i).Y()/extent + 1.0f);
vba.Position<Vector3f>(i) = fitter.GetPosition(u, v);
vba.Color<Float4>(0,i) = translucent;
}
instance = VertexColor4Effect::CreateUniqueInstance();
mFittedField->SetEffectInstance(instance);
instance->GetEffect()->GetAlphaState(0, 0)->BlendEnabled = true;
}
//----------------------------------------------------------------------------
void PolygonOffsets::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, 0);
int vstride = vformat->GetStride();
// Vertices to be shared by rectangles 1 and 3.
VertexBuffer* vbuffer0 = new0 VertexBuffer(4, vstride);
VertexBufferAccessor vba(vformat, vbuffer0);
vba.Position<Float3>(0) = Float3(-1.0f, 0.0f, -1.0f);
vba.Position<Float3>(1) = Float3(-1.0f, 0.0f, +1.0f);
vba.Position<Float3>(2) = Float3(+1.0f, 0.0f, +1.0f);
vba.Position<Float3>(3) = Float3(+1.0f, 0.0f, -1.0f);
vba.Color<Float3>(0, 0) = Float3(1.0f, 0.0f, 0.0f);
vba.Color<Float3>(0, 1) = Float3(1.0f, 0.0f, 0.0f);
vba.Color<Float3>(0, 2) = Float3(1.0f, 0.0f, 0.0f);
vba.Color<Float3>(0, 3) = Float3(1.0f, 0.0f, 0.0f);
// Vertices to be shared by rectangles 2 and 4.
VertexBuffer* vbuffer1 = new0 VertexBuffer(4, vstride);
vba.ApplyTo(vformat, vbuffer1);
vba.Position<Float3>(0) = Float3(-1.0f, 0.0f, -1.0f);
vba.Position<Float3>(1) = Float3(-1.0f, 0.0f, +1.0f);
vba.Position<Float3>(2) = Float3(+1.0f, 0.0f, +1.0f);
vba.Position<Float3>(3) = Float3(+1.0f, 0.0f, -1.0f);
vba.Color<Float3>(0, 0) = Float3(0.0f, 1.0f, 0.0f);
vba.Color<Float3>(0, 1) = Float3(0.0f, 1.0f, 0.0f);
vba.Color<Float3>(0, 2) = Float3(0.0f, 1.0f, 0.0f);
vba.Color<Float3>(0, 3) = Float3(0.0f, 1.0f, 0.0f);
// Indices to be shared by all rectangles.
IndexBuffer* ibuffer = new0 IndexBuffer(6, sizeof(int));
int* indices = (int*)ibuffer->GetData();
indices[0] = 0; indices[1] = 1; indices[2] = 3;
indices[3] = 3; indices[4] = 1; indices[5] = 2;
// Effect to be shared by the first three rectangles.
VertexColor3Effect* effect = new0 VertexColor3Effect();
// rectangle 1
TriMesh* mesh = new0 TriMesh(vformat, vbuffer0, ibuffer);
mesh->SetEffectInstance(effect->CreateInstance());
mesh->LocalTransform.SetTranslate(APoint(+2.0f, -4.0f, 0.0f));
mScene->AttachChild(mesh);
// rectangle 2
mesh = new0 TriMesh(vformat, vbuffer1, ibuffer);
mesh->SetEffectInstance(effect->CreateInstance());
mesh->LocalTransform.SetTranslate(APoint(+2.0f, -4.0f, 0.0f));
mesh->LocalTransform.SetUniformScale(0.5f);
mScene->AttachChild(mesh);
// rectangle 3
mesh = new0 TriMesh(vformat, vbuffer0, ibuffer);
mesh->SetEffectInstance(effect->CreateInstance());
mesh->LocalTransform.SetTranslate(APoint(-2.0f, -4.0f, 0.0f));
mScene->AttachChild(mesh);
// rectangle 4
mesh = new0 TriMesh(vformat, vbuffer1, ibuffer);
mesh->LocalTransform.SetTranslate(APoint(-2.0f, -4.0f, 0.0f));
mesh->LocalTransform.SetUniformScale(0.5f);
mScene->AttachChild(mesh);
// Set up the polygon offset for rectangle 4.
effect = new0 VertexColor3Effect();
OffsetState* ostate = effect->GetOffsetState(0, 0);
ostate->FillEnabled = true;
ostate->Scale = -1.0f;
ostate->Bias = -2.0f;
mesh->SetEffectInstance(effect->CreateInstance());
}
//----------------------------------------------------------------------------
void GeodesicHeightField::CreateScene ()
{
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
mCullState = new0 CullState();
mCullState->Enabled = false;
mRenderer->SetOverrideCullState(mCullState);
// Create the ground. It covers a square with vertices (1,1,0), (1,-1,0),
// (-1,1,0), and (-1,-1,0).
VertexFormat* vformat = VertexFormat::Create(3,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_NORMAL, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
const int xSize = 64;
const int ySize = 64;
const float xExtent = 1.0f;
const float yExtent = 1.0f;
mMesh = StandardMesh(vformat).Rectangle(xSize, ySize, xExtent, yExtent);
// Create a B-Spline height field. The heights of the control point are
// defined in an input file. The input file is structured as
//
// numUCtrlPoints numVCtrlPoints UDegree VDegree
// z[0][0] z[0][1] ... z[0][numV-1]
// z[1][0] z[1][1] ... z[1][numV_1]
// :
// z[numU-1][0] z[numU-1][1] ... z[numU-1][numV-1]
std::string path = Environment::GetPathR("ControlPoints.txt");
std::ifstream inFile(path.c_str());
int numUCtrlPoints, numVCtrlPoints, uDegree, vDegree;
double height;
inFile >> numUCtrlPoints;
inFile >> numVCtrlPoints;
inFile >> uDegree;
inFile >> vDegree;
Vector3d** ctrlPoints = new2<Vector3d>(numUCtrlPoints, numVCtrlPoints);
int i;
for (i = 0; i < numUCtrlPoints; ++i)
{
double u = (double)(xExtent*(-1.0f + 2.0f*i/(numUCtrlPoints-1)));
for (int j = 0; j < numVCtrlPoints; ++j)
{
double v = (double)(yExtent*(-1.0f + 2.0f*j/(numVCtrlPoints-1)));
inFile >> height;
ctrlPoints[i][j] = Vector3d(u, v, height);
}
}
inFile.close();
mSurface = new0 BSplineRectangled(numUCtrlPoints, numVCtrlPoints,
ctrlPoints, uDegree, vDegree, false, false, true, true);
delete2(ctrlPoints);
VertexBufferAccessor vba(mMesh);
for (i = 0; i < vba.GetNumVertices(); ++i)
{
Vector3f& position = vba.Position<Vector3f>(i);
double u = (double)((position.X() + xExtent)/(2.0f*xExtent));
double v = (double)((position.Y() + yExtent)/(2.0f*yExtent));
position.Z() = (float)mSurface->P(u,v).Z();
}
mMesh->UpdateModelSpace(Visual::GU_NORMALS);
// Attach an effect that uses lights, material, and texture.
mMesh->SetEffectInstance(CreateEffectInstance());
mScene->AttachChild(mMesh);
// Create the geodesic calculator.
mGeodesic = new0 BSplineGeodesicd(*mSurface);
mGeodesic->Subdivisions = 6;
mGeodesic->Refinements = 1;
mGeodesic->SearchRadius = 0.1;
mGeodesic->RefineCallback = &GeodesicHeightField::RefineCallback;
mPQuantity = (1 << mGeodesic->Subdivisions) + 1;
}
//----------------------------------------------------------------------------
void MaterialTextures::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
// Create a square object.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
int vstride = vformat->GetStride();
VertexBuffer* vbuffer = new0 VertexBuffer(4, vstride);
VertexBufferAccessor vba(vformat, vbuffer);
vba.Position<Float3>(0) = Float3(-1.0f, -1.0f, 0.0f);
vba.Position<Float3>(1) = Float3(-1.0f, 1.0f, 0.0f);
vba.Position<Float3>(2) = Float3( 1.0f, 1.0f, 0.0f);
vba.Position<Float3>(3) = Float3( 1.0f, -1.0f, 0.0f);
vba.TCoord<Float2>(0, 0) = Float2(0.0f, 0.0f);
vba.TCoord<Float2>(0, 1) = Float2(1.0f, 0.0f);
vba.TCoord<Float2>(0, 2) = Float2(1.0f, 1.0f);
vba.TCoord<Float2>(0, 3) = Float2(0.0f, 1.0f);
IndexBuffer* ibuffer = new0 IndexBuffer(6, sizeof(int));
int* indices = (int*)ibuffer->GetData();
indices[0] = 0;
indices[1] = 1;
indices[2] = 3;
indices[3] = 3;
indices[4] = 1;
indices[5] = 2;
// Create a square with a door texture.
TriMesh* door = new0 TriMesh(vformat, vbuffer, ibuffer);
std::string path = Environment::GetPathR("Door.wmtf");
Texture2D* texture = Texture2D::LoadWMTF(path);
door->SetEffectInstance(Texture2DEffect::CreateUniqueInstance(texture,
Shader::SF_LINEAR, Shader::SC_CLAMP_EDGE, Shader::SC_CLAMP_EDGE));
mTrnNode->AttachChild(door);
// Material-texture effect shared by two objects. The material is
// semitransparent, so alpha blending must be enabled.
MaterialTextureEffect* effect =
new0 MaterialTextureEffect(Shader::SF_LINEAR);
effect->GetAlphaState(0, 0)->BlendEnabled = true;
// Create a square with a material-texture effect. The texture is combined
// with the material to produce a semitransparenteffect on the sand. You
// should be able to see the door through it.
TriMesh* sand = new0 TriMesh(vformat, vbuffer, ibuffer);
sand->LocalTransform.SetTranslate(APoint(0.25f, 0.25f, -0.25f));
mTrnNode->AttachChild(sand);
mMaterial = new0 Material();
mMaterial->Diffuse = Float4(1.0f, 0.0f, 0.0f, 0.5f);
path = Environment::GetPathR("Sand.wmtf");
texture = Texture2D::LoadWMTF(path);
VisualEffectInstance* instance =
effect->CreateInstance(mMaterial, texture);
sand->SetEffectInstance(instance);
// The material alpha is adjustable during run time, so we must enable
// the corresponding shader constant to automatically update.
instance->GetVertexConstant(0, "MaterialDiffuse")->EnableUpdater();
// Create another square with a material-texture effect.
TriMesh* water = new0 TriMesh(vformat, vbuffer, ibuffer);
water->LocalTransform.SetTranslate(APoint(0.5f, 0.5f, -0.5f));
mTrnNode->AttachChild(water);
Material* material = new0 Material();
material->Diffuse = Float4(0.0f, 0.0f, 1.0f, 0.5f);
path = Environment::GetPathR("Water.wmtf");
texture = Texture2D::LoadWMTF(path);
water->SetEffectInstance(effect->CreateInstance(material, texture));
}
//----------------------------------------------------------------------------
VisualEffectInstance* GeodesicHeightField::CreateEffectInstance ()
{
// Create the vertex shader.
VertexShader* vshader = new0 VertexShader("Wm5.DLight2MatTex",
3, 3, 16, 0, false);
vshader->SetInput(0, "modelPosition", Shader::VT_FLOAT3,
Shader::VS_POSITION);
vshader->SetInput(1, "modelNormal", Shader::VT_FLOAT3,
Shader::VS_NORMAL);
vshader->SetInput(2, "modelTCoord", Shader::VT_FLOAT2,
Shader::VS_TEXCOORD0);
vshader->SetOutput(0, "clipPosition", Shader::VT_FLOAT4,
Shader::VS_POSITION);
vshader->SetOutput(1, "vertexColor", Shader::VT_FLOAT4,
Shader::VS_COLOR0);
vshader->SetOutput(2, "vertexTCoord", Shader::VT_FLOAT2,
Shader::VS_TEXCOORD0);
vshader->SetConstant( 0, "PVWMatrix", 4);
vshader->SetConstant( 1, "CameraModelPosition", 1);
vshader->SetConstant( 2, "MaterialEmissive", 1);
vshader->SetConstant( 3, "MaterialAmbient", 1);
vshader->SetConstant( 4, "MaterialDiffuse", 1);
vshader->SetConstant( 5, "MaterialSpecular", 1);
vshader->SetConstant( 6, "Light0ModelDirection", 1);
vshader->SetConstant( 7, "Light0Ambient", 1);
vshader->SetConstant( 8, "Light0Diffuse", 1);
vshader->SetConstant( 9, "Light0Specular", 1);
vshader->SetConstant(10, "Light0Attenuation", 1);
vshader->SetConstant(11, "Light1ModelDirection", 1);
vshader->SetConstant(12, "Light1Ambient", 1);
vshader->SetConstant(13, "Light1Diffuse", 1);
vshader->SetConstant(14, "Light1Specular", 1);
vshader->SetConstant(15, "Light1Attenuation", 1);
vshader->SetBaseRegisters(msVRegisters);
vshader->SetPrograms(msVPrograms);
// Create the pixel shader.
PixelShader* pshader = new0 PixelShader("Wm5.DLight2MatTex",
2, 1, 0, 1, false);
pshader->SetInput(0, "vertexColor", Shader::VT_FLOAT4,
Shader::VS_COLOR0);
pshader->SetInput(1, "vertexTCoord", Shader::VT_FLOAT2,
Shader::VS_TEXCOORD0);
pshader->SetOutput(0, "pixelColor", Shader::VT_FLOAT4,
Shader::VS_COLOR0);
pshader->SetSampler(0, "BaseSampler", Shader::ST_2D);
pshader->SetFilter(0, Shader::SF_LINEAR /*_LINEAR */);
pshader->SetCoordinate(0, 0, Shader::SC_CLAMP_EDGE);
pshader->SetCoordinate(0, 1, Shader::SC_CLAMP_EDGE);
pshader->SetTextureUnits(msPTextureUnits);
pshader->SetPrograms(msPPrograms);
VisualPass* pass = new0 VisualPass();
pass->SetVertexShader(vshader);
pass->SetPixelShader(pshader);
pass->SetAlphaState(new0 AlphaState());
pass->SetCullState(new0 CullState());
pass->SetDepthState(new0 DepthState());
pass->SetOffsetState(new0 OffsetState());
pass->SetStencilState(new0 StencilState());
pass->SetWireState(new0 WireState());
// Create the effect.
VisualTechnique* technique = new0 VisualTechnique();
technique->InsertPass(pass);
VisualEffect* effect = new0 VisualEffect();
effect->InsertTechnique(technique);
// Create the material for the effect.
Float4 black(0.0f, 0.0f, 0.0f, 1.0f);
Float4 white(1.0f, 1.0f, 1.0f, 1.0f);
Material* material = new0 Material();
material->Emissive = black;
material->Ambient = Float4(0.24725f, 0.2245f, 0.0645f, 1.0f);
material->Diffuse = Float4(0.34615f, 0.3143f, 0.0903f, 1.0f);
material->Specular = Float4(0.797357f, 0.723991f, 0.208006f, 83.2f);
// Create the lights for the effect.
Light* light0 = new0 Light(Light::LT_DIRECTIONAL);
light0->SetDirection(AVector(0.0f, 0.0f, -1.0f));
light0->Ambient = white;
light0->Diffuse = white;
light0->Specular = black;
Light* light1 = new0 Light(Light::LT_DIRECTIONAL);
light1->SetDirection(AVector(0.0f, 0.0f, 1.0f));
light1->Ambient = white;
light1->Diffuse = white;
light1->Specular = black;
// Create a texture for the effect.
mTexture = new0 Texture2D(Texture::TF_A8R8G8B8, 512, 512, 0);
unsigned char* data = (unsigned char*)mTexture->GetData(0);
memset(data, 0xFF, mTexture->GetNumLevelBytes(0));
// Create an instance of the effect.
VisualEffectInstance* instance = new0 VisualEffectInstance(effect, 0);
instance->SetVertexConstant(0, 0,
new0 PVWMatrixConstant());
instance->SetVertexConstant(0, 1,
new0 CameraModelPositionConstant());
instance->SetVertexConstant(0, 2,
new0 MaterialEmissiveConstant(material));
instance->SetVertexConstant(0, 3,
new0 MaterialAmbientConstant(material));
instance->SetVertexConstant(0, 4,
new0 MaterialDiffuseConstant(material));
instance->SetVertexConstant(0, 5,
new0 MaterialSpecularConstant(material));
instance->SetVertexConstant(0, 6,
new0 LightModelDVectorConstant(light0));
instance->SetVertexConstant(0, 7,
new0 LightAmbientConstant(light0));
instance->SetVertexConstant(0, 8,
new0 LightDiffuseConstant(light0));
instance->SetVertexConstant(0, 9,
new0 LightSpecularConstant(light0));
instance->SetVertexConstant(0, 10,
new0 LightAttenuationConstant(light0));
instance->SetVertexConstant(0, 11,
new0 LightModelDVectorConstant(light1));
instance->SetVertexConstant(0, 12,
new0 LightAmbientConstant(light1));
instance->SetVertexConstant(0, 13,
new0 LightDiffuseConstant(light1));
instance->SetVertexConstant(0, 14,
new0 LightSpecularConstant(light1));
instance->SetVertexConstant(0, 15,
new0 LightAttenuationConstant(light1));
instance->SetPixelTexture(0, 0, mTexture);
return instance;
}
//----------------------------------------------------------------------------
void IntersectingBoxes::CreateScene ()
{
// Create some axis-aligned boxes for intersection testing.
const int imax = 16;
int i;
for (i = 0; i < imax; ++i)
{
float xMin = 0.5f*mSize*Mathf::SymmetricRandom();
float xMax = xMin + Mathf::IntervalRandom(8.0f, 32.0f);
float yMin = 0.5f*mSize*Mathf::SymmetricRandom();
float yMax = yMin + Mathf::IntervalRandom(8.0f, 32.0f);
float zMin = 0.5f*mSize*Mathf::SymmetricRandom();
float zMax = zMin + Mathf::IntervalRandom(8.0f, 32.0f);
mBoxes.push_back(
AxisAlignedBox3f(xMin, xMax, yMin, yMax, zMin, zMax));
}
mManager = new0 BoxManagerf(mBoxes);
// Scene graph for the visual representation of the boxes.
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
// Effects for boxes, blue for nonintersecting and red for intersecting.
Float4 black(0.0f, 0.0f, 0.0f, 1.0f);
Float4 white(1.0f, 1.0f, 1.0f, 1.0f);
Material* blueMaterial = new0 Material();
blueMaterial->Emissive = black;
blueMaterial->Ambient = Float4(0.25f, 0.25f, 0.25f, 1.0f);
blueMaterial->Diffuse = Float4(0.0f, 0.0f, 1.0f, 1.0f);
blueMaterial->Specular = black;
Material* redMaterial = new0 Material();
redMaterial->Emissive = black;
redMaterial->Ambient = Float4(0.25f, 0.25f, 0.25f, 1.0f);
redMaterial->Diffuse = Float4(1.0f, 0.0f, 0.0f, 1.0f);
redMaterial->Specular = black;
// A light for the effects.
Light* light = new0 Light(Light::LT_DIRECTIONAL);
light->Ambient = white;
light->Diffuse = white;
light->Specular = black;
light->SetDirection(AVector::UNIT_Z);
LightDirPerVerEffect* effect = new0 LightDirPerVerEffect();
mNoIntersectEffect = effect->CreateInstance(light, blueMaterial);
mIntersectEffect = effect->CreateInstance(light, redMaterial);
// Create visual representations of the boxes.
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_NORMAL, VertexFormat::AT_FLOAT3, 0);
for (i = 0; i < imax; ++i)
{
APoint center(
0.5f*(mBoxes[i].Min[0] + mBoxes[i].Max[0]),
0.5f*(mBoxes[i].Min[1] + mBoxes[i].Max[1]),
0.5f*(mBoxes[i].Min[2] + mBoxes[i].Max[2]));
Transform transform;
transform.SetTranslate(center);
float xExtent = 0.5f*(mBoxes[i].Max[0] - mBoxes[i].Min[0]);
float yExtent = 0.5f*(mBoxes[i].Max[1] - mBoxes[i].Min[1]);
float zExtent = 0.5f*(mBoxes[i].Max[2] - mBoxes[i].Min[2]);
StandardMesh sm(vformat, true, false, &transform);
TriMesh* mesh = sm.Box(xExtent, yExtent, zExtent);
mesh->SetEffectInstance(mNoIntersectEffect);
mScene->AttachChild(mesh);
}
}
//----------------------------------------------------------------------------
void BouncingSpheres::CreateScene ()
{
CreateBalls();
CreateFloor();
CreateBackWall();
CreateSideWall1();
CreateSideWall2();
// ** layout of scene graph **
// scene
// room
// backwall
// floor
// sidewall1
// sidewall2
// balls
mScene = new0 Node();
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
Node* room = new0 Node();
room->AttachChild(mFloor);
room->AttachChild(mSideWall1);
room->AttachChild(mSideWall2);
room->AttachChild(mBackWall);
mScene->AttachChild(room);
Node* ballRoot = new0 Node();
int i;
for (i = 0; i < NUM_BALLS; ++i)
{
ballRoot->AttachChild(mBallNodes[i]);
}
mScene->AttachChild(ballRoot);
// The balls are constrained to bounce around in a rectangular solid
// region. The six defining planes are defined to be immovable rigid
// bodies. The boundaries are parallel to coordinate axes and pass
// through the points indicated by the value other than +-100. That is,
// the back wall is at x = 1, the left wall is at y = 2, the floor is at
// z = 1, the right wall is at y = 15, the ceiling is at z = 17, and the
// front wall is at x = 9. The ceiling and front wall are invisible
// objects (not rendered), but you will see balls bouncing against it
// and reflecting away from it towards the back wall.
mBoundaryLocations[0] = Vector3f(1.0f, -100.0f, -100.0f);
mBoundaryNormals[0] = Vector3f(1.0f, 0.0f, 0.0f);
mBoundaryLocations[1] = Vector3f(-100.0f, 2.0f, -100.0f);
mBoundaryNormals[1] = Vector3f(0.0f, 1.0f, 0.0f);
mBoundaryLocations[2] = Vector3f(-100.0f, -100.0f, 1.0f);
mBoundaryNormals[2] = Vector3f(0.0f, 0.0f, 1.0f);
mBoundaryLocations[3] = Vector3f(100.0f, 15.0f, 100.0f);
mBoundaryNormals[3] = Vector3f(0.0f, -1.0f, 0.0f);
mBoundaryLocations[4] = Vector3f(100.0f, 100.0f, 17.0f);
mBoundaryNormals[4] = Vector3f(0.0f, 0.0f, -1.0f);
mBoundaryLocations[5] = Vector3f(8.0f, 100.0f, 100.0f);
mBoundaryNormals[5] = Vector3f(-1.0f, 0.0f, 0.0f);
for (i = 0; i < 6; ++i)
{
mBoundaries[i].SetMass(0.0f);
mBoundaries[i].SetPosition(mBoundaryLocations[i]);
}
}
//----------------------------------------------------------------------------
bool NonlocalBlowup::OnInitialize ()
{
if (!WindowApplication3::OnInitialize())
{
return false;
}
#ifdef RUN_CONSOLE
RunConsole();
return false;
#endif
mScene = new0 Node();
mScene->LocalTransform.SetRotate(HMatrix(
0.80475128f, 0.59107417f, -0.054833174f, 0.0f,
-0.17529237f, 0.32487807f, 0.92936903f, 0.0f,
0.56714010f, -0.73829913f, 0.36505684f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f));
mWireState = new0 WireState();
mRenderer->SetOverrideWireState(mWireState);
VertexFormat* vformat = VertexFormat::Create(2,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
TriMesh* mesh = StandardMesh(vformat).Rectangle(256, 256, 16.0f, 16.0f);
mScene->AttachChild(mesh);
std::string gridName = Environment::GetPathR("Grid.wmtf");
Texture2D* gridTexture = Texture2D::LoadWMTF(gridName);
gridTexture->GenerateMipmaps();
Texture1D* colorTexture = new0 Texture1D(Texture::TF_A8R8G8B8, 8, 1);
unsigned char* color = (unsigned char*)colorTexture->GetData(0);
color[ 0] = 128; color[ 1] = 128; color[ 2] = 128; color[ 3] = 255;
color[ 4] = 255; color[ 5] = 0; color[ 6] = 128; color[ 7] = 255;
color[ 8] = 255; color[ 9] = 0; color[10] = 0; color[11] = 255;
color[12] = 0; color[13] = 255; color[14] = 0; color[15] = 255;
color[16] = 0; color[17] = 255; color[18] = 255; color[19] = 255;
color[20] = 0; color[21] = 128; color[22] = 255; color[23] = 255;
color[24] = 0; color[25] = 0; color[26] = 255; color[27] = 255;
color[28] = 255; color[29] = 255; color[30] = 255; color[31] = 255;
float dt = 0.01f, dx = 1.0f, dy = 1.0f;
// Uncomment only one of these at a time.
NonconvexDomain0p50(dt, dx, dy);
//SquareSymmetric0p01(dt, dx, dy);
//SquareSymmetric0p50(dt, dx, dy);
//SquareSymmetric0p99(dt, dx, dy);
//SquareGaussX0p50(dt, dx, dy);
//SquareGaussXY0p50(dt, dx, dy);
//SquareGaussFour0p50(dt, dx, dy);
DisplacementEffect* effect = new0 DisplacementEffect();
mesh->SetEffectInstance(effect->CreateInstance(mHeightTexture,
gridTexture, colorTexture, mDomainTexture));
// Set up the camera so that it looks at the graph from slightly above
// the xy-plane and at a skewed angle/direction of view.
mCamera->SetFrustum(60.0f, GetAspectRatio(), 1.0f, 10000.0f);
APoint camPosition(0.0f, 3.46f, 42.97f);
AVector camDVector(0.0f, 0.0f, -1.0f);
AVector camUVector(0.0f, 1.0f, 0.0f);
AVector camRVector = camDVector.Cross(camUVector);
mCamera->SetFrame(camPosition, camDVector, camUVector, camRVector);
// Initial update of objects.
mScene->Update();
// Initial culling of scene.
mCuller.SetCamera(mCamera);
mCuller.ComputeVisibleSet(mScene);
InitializeCameraMotion(0.01f, 0.01f);
InitializeObjectMotion(mScene);
return true;
}
