void GridGLMesh::resize(const Dim &dim)
{
if ( m_dim != dim )
{
m_dim = dim;
m_vertices.bind(GL_ARRAY_BUFFER, GL_STREAM_DRAW,
dim.size()*sizeof(ud::Vec3f));
m_colors.bind(GL_ARRAY_BUFFER, GL_STREAM_DRAW,
dim.size()*sizeof(ud::Vec3f));
m_indices.bind(GL_ELEMENT_ARRAY_BUFFER, GL_STREAM_DRAW,
(dim.height()*2*(dim.width() - 1))*sizeof(GLuint));
GLuint *indices = m_indices.map<GLuint>();
GLuint count = 0;
for (size_t c=0; c<dim.width() - 1; c++)
{
for (size_t r=0; r<dim.height(); r++)
{
indices[count++] = r*dim.width() + c;
indices[count++] = r*dim.width() + c + 1;
}
}
m_indices.unmap();
}
}
void TestDim::scalar() {
Dim d;
CPPUNIT_ASSERT(d.nb_rows()==1);
CPPUNIT_ASSERT(d.nb_cols()==1);
CPPUNIT_ASSERT(d.size()==1);
CPPUNIT_ASSERT(d==Dim::scalar());
CPPUNIT_ASSERT(d.is_scalar());
CPPUNIT_ASSERT(!d.is_vector());
CPPUNIT_ASSERT(!d.is_matrix());
CPPUNIT_ASSERT(d.type()==Dim::SCALAR);
CPPUNIT_ASSERT(Dim(d)==d);
CPPUNIT_ASSERT((Dim::scalar()=d)==d);
}