//----------------------------------------------------------------------------
void EffectModel::GenMesh ()
{
StandardMesh stdMesh(GetVertexFormat(), false);
TriMeshPtr mesh;
if (MT_SPHERE == mModelType)
{
mesh = stdMesh.Sphere(mZSample, mRadiusSample, GetEmitSizeX());
}
else if (MT_CYLINDEROPEN == mModelType)
{
mesh = stdMesh.Cylinder(mZSample, mRadiusSample, GetEmitSizeX(), GetEmitSizeZ(), true);
}
else if (MT_MODEL == mModelType)
{
if (!mModelFilename.empty())
mesh = DynamicCast<TriMesh>(PX2_RM.BlockLoadCopy(mModelFilename));
}
if (mesh)
{
SetVertexBuffer(mesh->GetVertexBuffer());
SetIndexBuffer(mesh->GetIndexBuffer());
mInitUVs.clear();
VertexBufferAccessor vba(GetVertexFormat(), GetVertexBuffer());
for (int i=0; i<vba.GetNumVertices(); i++)
{
Float2 uv = vba.TCoord<Float2>(0, i);
mInitUVs.push_back(uv);
}
}
}
//----------------------------------------------------------------------------
bool ConvexHull3D::OnMouseClick (int button, int state, int x, int y,
unsigned int modifiers)
{
WindowApplication3::OnMouseClick(button, state, x, y, modifiers);
if (button == MOUSE_RIGHT_BUTTON)
{
// Convert to right-handed screen coordinates.
y = GetHeight() - 1 - y;
APoint origin;
AVector direction;
mRenderer->GetPickRay(x, y, origin, direction);
mPicker.Execute(mTrnNode, origin, direction, 0.0f, Mathf::MAX_REAL);
if (mPicker.Records.size() > 0)
{
const PickRecord& record = mPicker.GetClosestNonnegative();
TriMeshPtr mesh = StaticCast<TriMesh>(record.Intersected);
float maxBary = record.Bary[0];
int index = 0;
if (record.Bary[1] > maxBary)
{
maxBary = record.Bary[1];
index = 1;
}
if (record.Bary[2] > maxBary)
{
maxBary = record.Bary[2];
index = 2;
}
int* indices =(int*) mesh->GetIndexBuffer()->GetData();
sprintf(mFooter, "intr = %d, tri = %d, ver = %d",
(int)mPicker.Records.size(), record.Triangle,
indices[3*record.Triangle + index]);
}
}
return true;
}
//----------------------------------------------------------------------------
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
}
