void GFXDrawUtil::drawSphere( const GFXStateBlockDesc &desc, F32 radius, const Point3F &pos, const ColorI &color, bool drawTop, bool drawBottom, const MatrixF *xfm )
{
MatrixF mat;
if ( xfm )
mat = *xfm;
else
mat = MatrixF::Identity;
mat.scale(Point3F(radius,radius,radius));
mat.setPosition(pos);
GFX->pushWorldMatrix();
GFX->multWorld(mat);
const SphereMesh::TriangleMesh * sphereMesh = gSphere.getMesh(2);
S32 numPoly = sphereMesh->numPoly;
S32 totalPoly = 0;
GFXVertexBufferHandle<GFXVertexPC> verts(mDevice, numPoly*3, GFXBufferTypeVolatile);
verts.lock();
S32 vertexIndex = 0;
for (S32 i=0; i<numPoly; i++)
{
if (!drawBottom)
{
if (sphereMesh->poly[i].pnt[0].z < -0.01f || sphereMesh->poly[i].pnt[1].z < -0.01f || sphereMesh->poly[i].pnt[2].z < -0.01f)
continue;
}
if (!drawTop)
{
if (sphereMesh->poly[i].pnt[0].z > 0.01f || sphereMesh->poly[i].pnt[1].z > 0.01f || sphereMesh->poly[i].pnt[2].z > 0.01f)
continue;
}
totalPoly++;
verts[vertexIndex].point = sphereMesh->poly[i].pnt[0];
verts[vertexIndex].color = color;
vertexIndex++;
verts[vertexIndex].point = sphereMesh->poly[i].pnt[1];
verts[vertexIndex].color = color;
vertexIndex++;
verts[vertexIndex].point = sphereMesh->poly[i].pnt[2];
verts[vertexIndex].color = color;
vertexIndex++;
}
verts.unlock();
mDevice->setStateBlockByDesc( desc );
mDevice->setVertexBuffer( verts );
mDevice->setupGenericShaders();
mDevice->drawPrimitive( GFXTriangleList, 0, totalPoly );
GFX->popWorldMatrix();
}
GFXVertexBufferHandle<AdvancedLightManager::LightVertex> AdvancedLightManager::getSphereMesh(U32 &outNumPrimitives, GFXPrimitiveBuffer *&outPrimitives)
{
static SphereMesh sSphereMesh;
if( mSphereGeometry.isNull() )
{
const SphereMesh::TriangleMesh * sphereMesh = sSphereMesh.getMesh(3);
S32 numPoly = sphereMesh->numPoly;
mSpherePrimitiveCount = 0;
mSphereGeometry.set(GFX, numPoly*3, GFXBufferTypeStatic);
mSphereGeometry.lock();
S32 vertexIndex = 0;
for (S32 i=0; i<numPoly; i++)
{
mSpherePrimitiveCount++;
mSphereGeometry[vertexIndex].point = sphereMesh->poly[i].pnt[0];
mSphereGeometry[vertexIndex].color = ColorI::WHITE;
vertexIndex++;
mSphereGeometry[vertexIndex].point = sphereMesh->poly[i].pnt[1];
mSphereGeometry[vertexIndex].color = ColorI::WHITE;
vertexIndex++;
mSphereGeometry[vertexIndex].point = sphereMesh->poly[i].pnt[2];
mSphereGeometry[vertexIndex].color = ColorI::WHITE;
vertexIndex++;
}
mSphereGeometry.unlock();
}
outNumPrimitives = mSpherePrimitiveCount;
outPrimitives = NULL; // For now
return mSphereGeometry;
}
