void CBBOX::Reset()
{
m_min = S3D_VERTEX( 0.0f, 0.0f, 0.0f );
m_max = S3D_VERTEX( 0.0f, 0.0f, 0.0f );
m_initialized = false;
}
void CBBOX::ApplyTransformation( glm::mat4 aTransformMatrix )
{
if( m_initialized == false )
return;
S3D_VERTEX v1 = S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_min.z, 1.0f ) );
S3D_VERTEX v2 = S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_max.z, 1.0f ) );
Reset();
Union( v1 );
Union( v2 );
}
EDA_3D_CANVAS::EDA_3D_CANVAS( EDA_3D_FRAME* parent, int* attribList ) :
wxGLCanvas( parent, wxID_ANY, attribList, wxDefaultPosition, wxDefaultSize,
wxFULL_REPAINT_ON_RESIZE )
{
m_init = false;
m_reportWarnings = true;
m_shadow_init = false;
// set an invalide value to not yet initialized indexes managing
// textures created to enhance 3D rendering
m_text_pcb = m_text_silk = INVALID_INDEX;
m_text_fake_shadow_front = INVALID_INDEX;
m_text_fake_shadow_back = INVALID_INDEX;
m_text_fake_shadow_board = INVALID_INDEX;
// position of the front and back layers
// (will be initialized to a better value later)
m_ZBottom = 0.0;
m_ZTop = 0.0;
m_lightPos = S3D_VERTEX(0.0f, 0.0f, 30.0f);
// Clear all gl list identifiers:
for( int ii = GL_ID_BEGIN; ii < GL_ID_END; ii++ )
m_glLists[ii] = 0;
// Explicitly create a new rendering context instance for this canvas.
m_glRC = new wxGLContext( this );
DisplayStatus();
}
void CBBOX::Scale( float aScale )
{
if( m_initialized == false )
return;
S3D_VERTEX scaleV = S3D_VERTEX( aScale, aScale, aScale );
S3D_VERTEX centerV = GetCenter();
m_min = (m_min - centerV) * scaleV + centerV;
m_max = (m_max - centerV) * scaleV + centerV;
}
void CBBOX::ApplyTransformationAA( glm::mat4 aTransformMatrix )
{
if( m_initialized == false )
return;
// apply the transformation matrix for each of vertices of the bounding box
// and make a union with all vertices
CBBOX tmpBBox = CBBOX( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_min.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_max.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_max.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_max.y, m_max.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_min.y, m_max.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_max.z, 1.0f ) ) );
m_min = tmpBBox.m_min;
m_max = tmpBBox.m_max;
}
void EDA_3D_CANVAS::calcBBox()
{
BOARD* pcb = GetBoard();
m_fastAABBox.Reset();
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
CBBOX tmpFastAABBox;
// Compute the transformation matrix for this module based on translation, rotation and orientation.
float zpos = GetPrm3DVisu().GetModulesZcoord3DIU( module->IsFlipped() );
wxPoint pos = module->GetPosition();
glm::mat4 fullTransformMatrix;
fullTransformMatrix = glm::translate( glm::mat4(), S3D_VERTEX( (float)(pos.x * GetPrm3DVisu().m_BiuTo3Dunits),
(float)(-pos.y * GetPrm3DVisu().m_BiuTo3Dunits),
zpos ) );
if( module->GetOrientation() )
fullTransformMatrix = glm::rotate( fullTransformMatrix,
glm::radians( (float)(module->GetOrientation() / 10.0f) ),
S3D_VERTEX( 0.0f, 0.0f, 1.0f ) );
if( module->IsFlipped() )
{
fullTransformMatrix = glm::rotate( fullTransformMatrix, glm::radians( 180.0f ), S3D_VERTEX( 0.0f, 1.0f, 0.0f ) );
fullTransformMatrix = glm::rotate( fullTransformMatrix, glm::radians( 180.0f ), S3D_VERTEX( 0.0f, 0.0f, 1.0f ) );
}
// Compute a union bounding box for all the shapes of the model
S3D_MASTER* shape3D = module->Models();
for( ; shape3D; shape3D = shape3D->Next() )
{
if( shape3D->Is3DType( S3D_MASTER::FILE3D_VRML ) )
tmpFastAABBox.Union( shape3D->getFastAABBox() );
}
tmpFastAABBox.ApplyTransformationAA( fullTransformMatrix );
m_fastAABBox.Union( tmpFastAABBox );
}
// Create a board bounding box based on board size
wxSize brd_size = getBoardSize();
wxPoint brd_center_pos = getBoardCenter();
float xsize = brd_size.x;
float ysize = brd_size.y;
float scale = GetPrm3DVisu().m_BiuTo3Dunits;
float xmin = (brd_center_pos.x - xsize / 2.0) * scale;
float xmax = (brd_center_pos.x + xsize / 2.0) * scale;
float ymin = (brd_center_pos.y - ysize / 2.0) * scale;
float ymax = (brd_center_pos.y + ysize / 2.0) * scale;
float zmin = GetPrm3DVisu().GetLayerZcoordBIU( B_Adhes ) * scale;
float zmax = GetPrm3DVisu().GetLayerZcoordBIU( F_Adhes ) * scale;
m_boardAABBox = CBBOX( S3D_VERTEX(xmin, ymin, zmin),
S3D_VERTEX(xmax, ymax, zmax) );
// Add BB board with BB models and scale it a bit
m_fastAABBox.Union( m_boardAABBox );
m_fastAABBox_Shadow = m_fastAABBox;
m_fastAABBox_Shadow.Scale( SHADOW_BOUNDING_BOX_SCALE );
}
