//--------------------------------------------------------------
void ofxMtlMapping2DPolygon::setAsActive()
{
if (activePolygon != this) {
previousActivePolygon = activePolygon;
activePolygon = this;
activeVertexId = -1;
if (previousActivePolygon) {
previousActivePolygon->setAsIdle();
}
enableVertices();
}
}
void antPlane::generateVertices()
{
float sx = m_width / m_nColumns;
float sz = m_depth / m_nRows;
m_vertices = ( GLfloat * ) malloc( N_VERTEX_ATTRIBS * m_nVertices * sizeof( GLfloat ) );
for ( int i = 0; i < m_nRows; i++ )
{
for ( int j = 0; j < m_nColumns; j++ )
{
antVec3 bl( j * sx - m_width / 2.f, 0.f, i * sz - m_depth / 2.f ); // bottom left
antVec3 tl( j * sx - m_width / 2.f, 0.f, ( i + 1 ) * sz - m_depth / 2.f ); // top left
antVec3 tr( ( j + 1 ) * sx - m_width / 2.f, 0.f, ( i + 1 ) * sz - m_depth / 2.f ); // top right
antVec3 br( ( j + 1 ) * sx - m_width / 2.f, 0.f, i * sz - m_depth / 2.f ); // bottom right
int v = (i * m_nColumns + j) * 6 * N_VERTEX_ATTRIBS;
for ( int n = 0; n < N_VERTEX_ATTRIBS; n++ )
{
m_vertices[ v + n ] = bl.v[n];
m_vertices[ v + (1 * N_VERTEX_ATTRIBS) + n ] = tl.v[n];
m_vertices[ v + (2 * N_VERTEX_ATTRIBS) + n ] = tr.v[n];
m_vertices[ v + (3 * N_VERTEX_ATTRIBS) + n ] = tr.v[n];
m_vertices[ v + (4 * N_VERTEX_ATTRIBS) + n ] = br.v[n];
m_vertices[ v + (5 * N_VERTEX_ATTRIBS) + n ] = bl.v[n];
}
}
}
m_hasVertices = true;
bindVao(0);
bindVbo(0);
setData( m_nVertices * N_VERTEX_ATTRIBS * sizeof(GLfloat), m_vertices );
attrib( ATTR_POSITION_LOC, N_VERTEX_ATTRIBS );
enableVertices();
}