hopcreatesolidsphere.cpp

hoops_acis_mfc框架

//
// Copyright (c) 2000 by Tech Soft 3D, LLC.
// The information contained herein is confidential and proprietary to
// Tech Soft 3D, LLC., and considered a trade secret as defined under
// civil and criminal statutes.  Tech Soft 3D shall pursue its civil
// and criminal remedies in the event of unauthorized use or misappropriation
// of its trade secrets.  Use of this information by anyone other than
// authorized employees of Tech Soft 3D, LLC. is granted only under a
// written non-disclosure agreement, expressly prescribing the scope and
// manner of such use.
//
// $Header: /files/homes/master/cvs/hoops_master/hoops_appwizard/VCWizards/HOOPSAppWiz_NET2003/Templates/1033/3daf/HOpCreateSolidSphere.cpp,v 1.3 2006-08-07 20:38:55 stage Exp $
//



#include "stdafx.h"
#include "hc.h"

#include "Htest6Model.h"
#include "Htest6View.h"
#include "HBaseOperator.h"
#include "HEventInfo.h"
#include "HTools.h"

#include "HOpCreateSolidSphere.h"


#include <stdio.h>
#include <math.h>
#include <assert.h>

#include "ha_bridge.h"
#include "cstrapi.hxx"



/////////////////////////////////////////////////////////////////////////////
// HOpCreateSolidSphere
//
// Operator for inserting a Solid Modeler Sphere into a newly created Scene/Part segment.
// Mouse down - fix first position
// Mouse motion while down - rubberband sphere with radius defined by first point and
// current position in world space in the scene/construction segment 
// Mouse up inserts the sphere


HOpCreateSolidSphere::HOpCreateSolidSphere(HBaseView* view, int DoRepeat, int DoCapture) : HOpCreateSphere(view, DoRepeat, DoCapture)
{
}


HBaseOperator * HOpCreateSolidSphere::Clone()
{
    return (HBaseOperator *)new HOpCreateSolidSphere(m_pView);
}


const char * HOpCreateSolidSphere::GetName() { return "HOpCreateSolidSphere"; }


/////////////////////////////////////////////////////////////////////////////
// CreateSphere message handlers

int HOpCreateSolidSphere::OnLButtonUp(HEventInfo &event)
{
    // Mouse has come up 
 	if(!m_bOpStarted) 
		return HBaseOperator::OnLButtonUp(event);

	m_bOpStarted = false;

	m_ptNew = event.GetMouseWorldPos();

    HC_Open_Segment_By_Key(((Htest6View *)m_pView)->GetConstructionKey());
		HC_Flush_Contents (".", "geometry");
	HC_Close_Segment();

	HC_Open_Segment_By_Key(m_pView->GetSceneKey());
		HC_Compute_Coordinates(".", "viewpoint", &m_ptFirst, "world", &m_ptFirst);
	HC_Close_Segment();


	HVector   radius_vector;

	radius_vector.Set (m_ptNew.x - m_ptFirst.x,
				 m_ptNew.y - m_ptFirst.y,
				 m_ptNew.z - m_ptFirst.z);

	float radius_length = (float) HC_Compute_Vector_Length (&radius_vector);
	
	if(fabs(radius_length) < 0.000001){
		m_bOpStarted = false;
		return(HOP_CANCEL);
	}

	HC_Open_Segment_By_Key(GetView()->GetModel()->GetModelKey());
	// put each entity in a separate segment so that we can easily apply
	// transformations to separately created entities	
		HC_Open_Segment("");
			BODY*		sphere_ptr;
			sphere_ptr = CreateSolidSphere(m_ptFirst, radius_length);
		HC_Close_Segment();
	HC_Close_Segment();

    m_pView->Update(); // update the display
    return(HOP_READY);
}



// create an acis sphere and return the sphere's body id
BODY* HOpCreateSolidSphere::CreateSolidSphere(HPoint & center, float radius)
{
	BODY* sphere_body;

	SPAvector translate_vector;
	SPAtransf delta_transf;
	outcome o;
	
	translate_vector.set_x(center.x);
	translate_vector.set_y(center.y);
	translate_vector.set_z(center.z);

	delta_transf = translate_transf(translate_vector);
	o = api_make_sphere(radius, sphere_body);

	o = api_transform_entity(sphere_body, delta_transf);
	assert(o.ok());

	// now put it in the HOOPS database
	HA_Render_Entity((ENTITY*)sphere_body);


	return sphere_body;
}