void GeometryApp::loadGeomSource( const geom::Source &source, const geom::Source &sourceWire )
{
// The purpose of the TriMesh is to capture a bounding box; without that need we could just instantiate the Batch directly using primitive
TriMesh::Format fmt = TriMesh::Format().positions().normals().texCoords().tangents();
if( mShowColors && source.getAvailableAttribs().count( geom::COLOR ) > 0 )
fmt.colors();
TriMesh mesh( source, fmt );
AxisAlignedBox bbox = mesh.calcBoundingBox();
mCameraLerpTarget = mesh.calcBoundingBox().getCenter();
mCameraViewDirection = mCamera.getViewDirection();
mRecenterCamera = true;
if( mPhongShader )
mPrimitive = gl::Batch::create( mesh, mPhongShader );
if( mWireShader )
mPrimitiveWire = gl::Batch::create( sourceWire, mWireShader );
if( mWireframeShader )
mPrimitiveWireframe = gl::Batch::create( mesh, mWireframeShader );
vec3 size = bbox.getMax() - bbox.getMin();
float scale = std::max( std::max( size.x, size.y ), size.z ) / 25.0f;
mPrimitiveNormalLines = gl::Batch::create( mesh >> geom::VertexNormalLines( scale ), gl::getStockShader( gl::ShaderDef().color() ) );
if( mesh.hasTangents() )
mPrimitiveTangentLines = gl::Batch::create( mesh >> geom::VertexNormalLines( scale, geom::TANGENT ), gl::getStockShader( gl::ShaderDef().color() ) );
else
void GeometryApp::loadGeomSource( const geom::Source &source )
{
// The purpose of the TriMesh is to capture a bounding box; without that need we could just instantiate the Batch directly using primitive
TriMesh::Format fmt = TriMesh::Format().positions().normals().texCoords();
if( mShowColors && source.getAvailableAttribs().count( geom::COLOR ) > 0 )
fmt.colors();
TriMesh mesh( source, fmt );
AxisAlignedBox3f bbox = mesh.calcBoundingBox();
mCameraCOI = mesh.calcBoundingBox().getCenter();
mRecenterCamera = true;
if( mSubdivision > 1 )
mesh.subdivide( mSubdivision );
if( mPhongShader )
mPrimitive = gl::Batch::create( mesh, mPhongShader );
if( mWireframeShader )
mPrimitiveWireframe = gl::Batch::create( mesh, mWireframeShader );
vec3 size = bbox.getMax() - bbox.getMin();
float scale = std::max( std::max( size.x, size.y ), size.z ) / 25.0f;
mPrimitiveNormalLines = gl::Batch::create( geom::VertexNormalLines( mesh, scale ), gl::getStockShader( gl::ShaderDef().color() ) );
getWindow()->setTitle( "Geometry - " + to_string( mesh.getNumVertices() ) + " vertices" );
}
Batch::Batch( const geom::Source &source, const gl::GlslProgRef &glsl, const AttributeMapping &attributeMapping )
: mGlsl( glsl )
{
geom::AttribSet attribs;
// include all the attributes in the custom attributeMapping
for( const auto &attrib : attributeMapping ) {
if( source.getAttribDims( attrib.first ) )
attribs.insert( attrib.first );
}
// and then the attributes references by the GLSL
for( const auto &attrib : glsl->getActiveAttributes() ) {
if( source.getAttribDims( attrib.getSemantic() ) )
attribs.insert( attrib.getSemantic() );
}
mVboMesh = gl::VboMesh::create( source, attribs );
initVao( attributeMapping );
}
