void Camera::GetProjectionMatrix( M3DMatrix44f m )
{
// Transform the frustum with the camera frame so that it
// is updated with the current position
_viewFrustum.Transform( _frame );
m3dCopyMatrix44( m, _viewFrustum.GetProjectionMatrix() );
}
void Selection::set_config( M3DVector3f *_pts, int _nr, M3DVector2f _left_bottom, M3DVector2f _right_top, M3DMatrix44f _model_view, M3DMatrix44f _proj, int _viewport[] )
{
pts = _pts;
nr = _nr;
m3dCopyVector2(left_bottom, _left_bottom);
m3dCopyVector2(right_top, _right_top);
m3dCopyMatrix44(model_view, _model_view);
m3dCopyMatrix44(proj, _proj);
memcpy(viewport, _viewport, sizeof(int) * 4);
/*** 计算被选中的index ***/
cal_selected_index();
}
void Transform::Scale( float xScale, float yScale, float zScale )
{
M3DMatrix44f _scmatrix;
m3dScaleMatrix44( _scmatrix, xScale, yScale, zScale );
M3DMatrix44f _source;
m3dCopyMatrix44(_source, _matrix);
m3dMatrixMultiply44(_matrix, _source, _scmatrix);
}
void Transform::Rotate( float angle, float x, float y, float z )
{
M3DMatrix44f _rotmatrix;
m3dRotationMatrix44( _rotmatrix, angle, x, y, z );
M3DMatrix44f _source;
m3dCopyMatrix44(_source, _matrix);
m3dMatrixMultiply44(_matrix, _source, _rotmatrix);
}
void Transform::GetMatrix( M3DMatrix44f m ) const { m3dCopyMatrix44( m, _matrix ); }
void Transform::SetMatrix( M3DMatrix44f m ) { m3dCopyMatrix44( _matrix, m ); }
/** \brief Transform Node is initialized with a matrix
*/
Transform::Transform(const M3DMatrix44f& m) : CompositeNode() {
m3dCopyMatrix44(_matrix, m);
}