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Added COLLADA-DOM import for concave triangle <mesh>

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This commit is contained in:
ejcoumans
2006-07-18 04:42:27 +00:00
parent f2743251f7
commit 08464b1964
1 changed files with 86 additions and 18 deletions
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104
Demos/ColladaDemo/ColladaDemo.cpp
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@@ -1043,6 +1043,21 @@ int main(int argc,char** argv)
xsNCName bodyName = rigidbodyRef->getBody();
domInstance_rigid_body::domTechnique_commonRef techniqueRef = rigidbodyRef->getTechnique_common();
if (techniqueRef)
{
if (techniqueRef->getMass())
{
mass = techniqueRef->getMass()->getValue();
}
if (techniqueRef->getDynamic())
{
isDynamics = techniqueRef->getDynamic()->getValue();
}
}
printf("mass = %f, isDynamics %i\n",mass,isDynamics);
if (bodyName)
{
//try to find the rigid body
@@ -1111,9 +1126,14 @@ int main(int argc,char** argv)
{
const domMeshRef meshRef = geom->getMesh();
TriangleIndexVertexArray* tindexArray = new TriangleIndexVertexArray();
TriangleMesh* trimesh = new TriangleMesh();
for (int tg = 0;tg<meshRef->getTriangles_array().getCount();tg++)
{
domTrianglesRef triRef = meshRef->getTriangles_array()[tg];
const domPRef pRef = triRef->getP();
daeMemoryRef memRef = pRef->getValue().getRawData();
@@ -1122,17 +1142,27 @@ int main(int argc,char** argv)
int vertexoffset = -1;
domInputLocalOffsetRef indexOffsetRef;
for (int w=0;w<triRef->getInput_array().getCount();w++)
{
int offset = triRef->getInput_array()[w]->getOffset();
daeString str = triRef->getInput_array()[w]->getSemantic();
if (!strcmp(str,"VERTEX"))
{
indexOffsetRef = triRef->getInput_array()[w];
vertexoffset = offset;
}
if (offset > meshPart.m_triangleIndexStride)
{
meshPart.m_triangleIndexStride = offset;
}
}
meshPart.m_triangleIndexStride++;
domListOfUInts indexArray =triRef->getP()->getValue();
int count = indexArray.getCount();
//int* m_triangleIndexBase;
@@ -1140,6 +1170,49 @@ int main(int argc,char** argv)
meshPart.m_numTriangles = triRef->getCount();
const domVerticesRef vertsRef = meshRef->getVertices();
int numInputs = vertsRef->getInput_array().getCount();
for (int i=0;i<numInputs;i++)
{
domInputLocalRef localRef = vertsRef->getInput_array()[i];
daeString str = localRef->getSemantic();
if ( !strcmp(str,"POSITION"))
{
const domURIFragmentType& frag = localRef->getSource();
daeElementConstRef constElem = frag.getElement();
const domSourceRef node = *(const domSourceRef*)&constElem;
const domFloat_arrayRef flArray = node->getFloat_array();
if (flArray)
{
int numElem = flArray->getCount();
const domListOfFloats& listFloats = flArray->getValue();
int numVerts = listFloats.getCount()/3;
int k=vertexoffset;
int t=0;
int vertexStride = 3;//instead of hardcoded stride, should use the 'accessor'
for (;t<meshPart.m_numTriangles;t++)
{
SimdVector3 verts[3];
int index0,index1,index2;
for (int i=0;i<3;i++)
{
index0 = indexArray.get(k)*vertexStride;
domFloat fl0 = listFloats.get(index0);
domFloat fl1 = listFloats.get(index0+1);
domFloat fl2 = listFloats.get(index0+2);
k+=meshPart.m_triangleIndexStride;
verts[i].setValue(fl0,fl1,fl2);
}
trimesh->AddTriangle(verts[0],verts[1],verts[2]);
}
}
}
}
@@ -1149,11 +1222,19 @@ int main(int argc,char** argv)
//int m_vertexStride;//use the accessor for this
//};
tindexArray->AddIndexedMesh(meshPart);
//tindexArray->AddIndexedMesh(meshPart);
if (isDynamics)
{
printf("moving concave <mesh> not supported, transformed into convex\n");
colShape = new ConvexTriangleMeshShape(trimesh);
} else
{
printf("static concave triangle <mesh> added\n");
colShape = new TriangleMeshShape(trimesh);
}
}
printf("(concave) mesh not supported yet\n");
}
if (geom->getConvex_mesh())
@@ -1322,20 +1403,7 @@ int main(int argc,char** argv)
}
domInstance_rigid_body::domTechnique_commonRef techniqueRef = rigidbodyRef->getTechnique_common();
if (techniqueRef)
{
if (techniqueRef->getMass())
{
mass = techniqueRef->getMass()->getValue();
}
if (techniqueRef->getDynamic())
{
isDynamics = techniqueRef->getDynamic()->getValue();
}
}
printf("mass = %f, isDynamics %i\n",mass,isDynamics);
if (colShape)
{
CreatePhysicsObject(isDynamics,mass,startTransform,colShape);