clipping.cpp 25.1 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg           *
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library is distributed  in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
* Web site: http://cgogn.u-strasbg.fr/                                         *
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

25
#include "clipping.h"
26 27
#include "Utils/static_assert.h"

28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
/*******************************************************************************
 *														MISCELLANOUS
 *******************************************************************************/

void computeBasisFromVector(const Geom::Vec3f& vec1, Geom::Vec3f& vec2, Geom::Vec3f& vec3)
{
	const float epsilon = 0.0001f;

	// Check if the given vector length is acceptable
	if (vec1.norm() < epsilon)
		return;

	// First take a non colinear second vector to cross product with vec1
	// (by default (0.0, 0.0, 1.0)
	Geom::Vec3f tempVec (0.0, 0.0, 1.0);

	// Construct second vector, check other vectors non colinearity at the same time
	vec2 = vec1 ^ tempVec;
	float sinAngle = vec2.norm() / (vec1.norm() + tempVec.norm());
	if (sinAngle < epsilon) // f:x->sin(x) ~ f:x->x when x ~ 0
	{
		tempVec = Geom::Vec3f (1.0, 0.0, 0.0);
		vec2 = vec1 ^ tempVec;
	}

	// Get third vector
	vec3 = vec1 ^ vec2;

}

58 59 60 61
/*******************************************************************************
 *														SLOTS
 *******************************************************************************/

62
void Clipping::slot_drawTopo(bool b)
63 64 65 66 67
{
	m_drawTopo = b;
	updateGL();
}

68
void Clipping::slot_drawVertices(bool b)
69 70 71 72 73
{
	m_drawVertices = b;
	updateGL();
}

74
void Clipping::slot_drawLines(bool b)
75 76 77 78 79
{
	m_drawLines = b;
	updateGL();
}

80
void Clipping::slot_drawFaces(bool b)
81 82 83 84 85
{
	m_drawFaces = b;
	updateGL();
}

86
void Clipping::slot_explodTopoPhi1(double c)
87 88 89 90 91 92
{
	m_coeffTopoExplod[0] = (float)c;
	m_render_topo->updateData<PFP>(myMap, allDarts, position, m_coeffTopoExplod[0], m_coeffTopoExplod[1], m_coeffTopoExplod[2]);
	updateGL();
}

93
void Clipping::slot_explodTopoPhi2(double c)
94 95 96 97 98 99
{
	m_coeffTopoExplod[1] = (float)c;
	m_render_topo->updateData<PFP>(myMap, allDarts, position, m_coeffTopoExplod[0], m_coeffTopoExplod[1], m_coeffTopoExplod[2]);
	updateGL();
}

100
void Clipping::slot_explodTopoPhi3(double c)
101 102 103 104 105 106
{
	m_coeffTopoExplod[2] = (float)c;
	m_render_topo->updateData<PFP>(myMap, allDarts, position, m_coeffTopoExplod[0], m_coeffTopoExplod[1], m_coeffTopoExplod[2]);
	updateGL();
}

107
void Clipping::slot_pushButton_addPlane()
108
{
109
	// Create clipping and pickable objects
110
	unsigned int newPlaneId = m_shader->addClipPlane();
111
	Utils::Pickable* pickable = new Utils::Pickable(m_planeDrawable, newPlaneId);
Maire Nicolas's avatar
Maire Nicolas committed
112
	m_pickablePlanes.push_back(pickable);
113

114 115
	// Set params
	m_shader->setClipPlaneParamsOrigin(newPlaneId, m_bb.center());
116
	pickable->translate(m_bb.center());
117
	pickable->scale(Geom::Vec3f(m_bb.maxSize()*0.5));
118

119
	// Update shader sources edits
120 121 122 123 124 125
	dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
	dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

	updateGLMatrices();
}

126
void Clipping::slot_spinBox_GridResolution(int i)
127
{
128
	m_planeDrawable->updatePrecisionDrawing(i);
129 130 131
	updateGL();
}

132
void Clipping::slot_pushButton_changePlanesColor()
133
{
134 135
	QColor NewColor;
	QColorDialog ColDialog;
136

137 138 139 140 141 142
	NewColor = ColDialog.getColor();

	int r, g, b;
	NewColor.getRgb(&r, &g, &b);

	m_planeDrawable->setColor(Geom::Vec4f((float)r/255.0, (float)g/255.0, (float)b/255.0, 1.0));
143 144
}

145
void Clipping::slot_pushButton_addSphere()
146
{
147
	// Create clipping and pickable objects
148
	unsigned int newSphereId = m_shader->addClipSphere();
149
	Utils::Pickable* pickable = new Utils::Pickable(m_sphereDrawable, newSphereId);
Maire Nicolas's avatar
Maire Nicolas committed
150
	m_pickableSpheres.push_back(pickable);
151

152 153
	// Set params
	m_shader->setClipSphereParamsCenter(newSphereId, m_bb.center());
154
	m_shader->setClipSphereParamsRadius(newSphereId, (m_bb.maxSize())*0.5);
155
	pickable->translate(m_bb.center());
156
	pickable->scale(Geom::Vec3f(m_bb.maxSize()*0.5));
157

158
	// Update shader sources edits
159 160 161 162 163 164
	dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
	dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

	updateGLMatrices();
}

165
void Clipping::slot_spinBox_SphereResolution(int i)
166
{
167
	m_sphereDrawable->updatePrecisionDrawing(i);
168 169 170
	updateGL();
}

171
void Clipping::slot_pushButton_changeSpheresColor()
172
{
173 174
	QColor NewColor;
	QColorDialog ColDialog;
175

176 177 178 179 180 181
	NewColor = ColDialog.getColor();

	int r, g, b;
	NewColor.getRgb(&r, &g, &b);

	m_sphereDrawable->setColor(Geom::Vec4f((float)r/255.0, (float)g/255.0, (float)b/255.0, 1.0));
182 183
}

184
void Clipping::slot_doubleSpinBox_ColorAttenuationFactor(double c)
185
{
186
	m_shader->setClipColorAttenuationFactorAbsolute((float)c);
187 188 189
	updateGL();
}

190
void Clipping::slot_radioButton_ClippingMode(bool b)
191
{
192
	if (b)
193
		m_shader->setClipMode(Utils::ClippingShader::CLIPPING_MODE_AND);
194
	else
195 196 197 198 199 200 201 202
		m_shader->setClipMode(Utils::ClippingShader::CLIPPING_MODE_OR);

	dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
	dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

	updateGLMatrices();
}

203 204 205 206 207 208 209 210 211 212 213 214 215
void Clipping::slot_radioButton_ColorAttenuationMode(bool b)
{
	if (b)
		m_shader->setClipColorAttenuationMode(Utils::ClippingShader::COLOR_ATTENUATION_MODE_LINEAR);
	else
		m_shader->setClipColorAttenuationMode(Utils::ClippingShader::COLOR_ATTENUATION_MODE_QUADRATIC);

	dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
	dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

	updateGLMatrices();
}

216
void Clipping::slot_pushButton_deleteSelectedObject()
217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259
{
	if (m_lastPickedObject)
	{
		// Delete clipping object
		if (m_lastPickedObject->checkType<Utils::Grid>())
			m_shader->deleteClipPlane(m_lastPickedObject->id());
		else if (m_lastPickedObject->checkType<Utils::Sphere>())
			m_shader->deleteClipSphere(m_lastPickedObject->id());

		// Delete pickable
		if (m_lastPickedObject->checkType<Utils::Grid>())
		{
			for (size_t i = 0; i < m_pickablePlanes.size(); i++)
			{
				if (m_pickablePlanes[i] == m_lastPickedObject)
				{
					delete m_pickablePlanes[i];
					m_pickablePlanes.erase(m_pickablePlanes.begin() + i);
				}
			}
		}
		else if (m_lastPickedObject->checkType<Utils::Sphere>())
		{
			for (size_t i = 0; i < m_pickableSpheres.size(); i++)
			{
				if (m_pickableSpheres[i] == m_lastPickedObject)
				{
					delete m_pickableSpheres[i];
					m_pickableSpheres.erase(m_pickableSpheres.begin() + i);
				}
			}
		}
		m_lastPickedObject = NULL;

		// Update shader sources edits
		dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
		dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

		updateGLMatrices();

	}
}

260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359
void Clipping::slot_pushButton_applyClippingPreset()
{
	// Create and apply preset
	Utils::ClippingPreset *preset = NULL;
	switch (dock.comboBox_ClippingPresets->currentIndex())
	{
		case 0 : // Dual planes
		 	{
		 	using namespace CGoGN::Utils::QT;

		 	double centerX = (double)m_bb.center()[0];
		 	double centerY = (double)m_bb.center()[1];
		 	double centerZ = (double)m_bb.center()[2];
		 	double size = (double)m_bb.maxSize()*0.75;
		 	int axis = 0;
		 	bool facing = false;
		 	if (inputValues(VarDbl(centerX - 100.0, centerX + 100.0, centerX, "Center X",
		 					VarDbl(centerY - 100.0, centerY + 100.0, centerY, "Center Y",
		 					VarDbl(centerZ - 100.0, centerZ + 100.0, centerZ, "Center Z",
		 					VarDbl(size - 100.0, size + 100.0, size, "Size",
		 					VarSlider(0, 2, axis, "Axis",
		 					VarBool(facing, "Facing"
		 				)))))), "Preset Setup"))
		 		preset = Utils::ClippingPreset::CreateDualPlanesPreset(Geom::Vec3f((float)centerX, (float)centerY, (float)centerZ), (float)size, axis, facing);
		 	}
			break;

		case 1 : // Cube
		 	{
		 	using namespace CGoGN::Utils::QT;

		 	double centerX = (double)m_bb.center()[0];
		 	double centerY = (double)m_bb.center()[1];
		 	double centerZ = (double)m_bb.center()[2];
		 	double size = (double)m_bb.maxSize()*0.75;
		 	bool facing = false;
		 	if (inputValues(VarDbl(centerX - 100.0, centerX + 100.0, centerX, "Center X",
		 					VarDbl(centerY - 100.0, centerY + 100.0, centerY, "Center Y",
		 					VarDbl(centerZ - 100.0, centerZ + 100.0, centerZ, "Center Z",
		 					VarDbl(size - 100.0, size + 100.0, size, "Size",
		 					VarBool(facing, "Facing"
		 				))))), "Preset Setup"))
		 		preset = Utils::ClippingPreset::CreateCubePreset(Geom::Vec3f((float)centerX, (float)centerY, (float)centerZ), (float)size, facing);
		 	}
			break;
	}
	std::vector<unsigned int> planesIds;
	std::vector<unsigned int> spheresIds;
	preset->apply(m_shader, &planesIds, &spheresIds);
	delete preset;

	// Cleanup of pickables before adding new ones
	m_lastPickedObject = NULL;
	for (size_t i = 0; i < m_pickablePlanes.size(); i++)
		delete m_pickablePlanes[i];
	m_pickablePlanes.resize(0);
	for (size_t i = 0; i < m_pickableSpheres.size(); i++)
		delete m_pickableSpheres[i];
	m_pickableSpheres.resize(0);

	// Add new pickable objects
	for (size_t i = 0; i < planesIds.size(); i++)
	{
		Utils::Pickable* pickable = new Utils::Pickable(m_planeDrawable, planesIds[i]);
		pickable->translate(m_shader->getClipPlaneParamsOrigin(planesIds[i]));
		Geom::Vec3f vec1, vec2, vec3;
		vec1 = m_shader->getClipPlaneParamsNormal(planesIds[i]);
		computeBasisFromVector(vec1, vec2, vec3);
		glm::mat4& transfoMat = pickable->transfo();
		for (int i = 0; i < 3; i++)
		{
			transfoMat[0][i] = vec2[i];
			transfoMat[1][i] = vec3[i];
			transfoMat[2][i] = vec1[i];
		}

		m_pickablePlanes.push_back(pickable);
	}
	for (size_t i = 0; i < spheresIds.size(); i++)
	{
		Utils::Pickable* pickable = new Utils::Pickable(m_sphereDrawable, spheresIds[i]);
		pickable->translate(m_shader->getClipSphereParamsCenter(spheresIds[i]));
		pickable->scale(m_shader->getClipSphereParamsRadius(spheresIds[i]));
	}

	// Update shader sources edits
	dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
	dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

	// Update clipping parameters in interface
	Utils::ClippingShader::clippingMode clipMode = m_shader->getClipMode();
	if (clipMode == Utils::ClippingShader::CLIPPING_MODE_AND)
		dock.radioButton_ClippingModeAnd->setChecked(true);
	else if (clipMode == Utils::ClippingShader::CLIPPING_MODE_OR)
		dock.radioButton_ClippingModeOr->setChecked(true);


	updateGLMatrices();
}

360
void Clipping::button_compile()
361 362 363 364 365 366 367 368 369 370 371 372 373 374 375
{
	QString st1 = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->vertexEdit->toPlainText();
	QString st2 = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->fragmentEdit->toPlainText();

	m_shader->reloadVertexShaderFromMemory(st1.toStdString().c_str());
	m_shader->reloadFragmentShaderFromMemory(st2.toStdString().c_str());

	m_shader->recompile();
	updateGLMatrices();
}

/*******************************************************************************
 *														Init Functions
 *******************************************************************************/

376
Clipping::Clipping():
377 378 379 380 381 382 383 384 385 386 387 388
	m_drawVertices(false),
	m_drawLines(true),
	m_drawFaces(true),
	m_drawTopo(false),
	m_render(NULL),
	m_render_topo(NULL),
	m_positionVBO(NULL),
	m_shader(NULL)
{
	m_coeffTopoExplod = Geom::Vec3f(0.9,0.9,0.9);
}

389
void Clipping::initGUI()
390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408
{
	CGoGNStream::allToConsole(this) ;
	CGoGNStream::allToStd(true) ;

	setDock(&dock);

	dock.setWindowFlags(Qt::WindowMinimizeButtonHint);

	setCallBack(dock.checkBox_vertices, SIGNAL(toggled(bool)), SLOT(slot_drawVertices(bool)));
	setCallBack(dock.checkBox_lines, SIGNAL(toggled(bool)), SLOT(slot_drawLines(bool)));
	setCallBack(dock.checkBox_faces, SIGNAL(toggled(bool)), SLOT(slot_drawFaces(bool)));
	setCallBack(dock.groupBox_topo, SIGNAL(toggled(bool)), SLOT(slot_drawTopo(bool)));

	setCallBack(dock.explod_phi1, SIGNAL(valueChanged(double)), SLOT(slot_explodTopoPhi1(double)));
	setCallBack(dock.explod_phi2, SIGNAL(valueChanged(double)), SLOT(slot_explodTopoPhi2(double)));
	setCallBack(dock.explod_phi3, SIGNAL(valueChanged(double)), SLOT(slot_explodTopoPhi3(double)));

	setCallBack(dock.pushButton_addPlane, SIGNAL(clicked()), SLOT(slot_pushButton_addPlane()));

409
	setCallBack(dock.spinBox_GridResolution, SIGNAL(valueChanged(int)), SLOT(slot_spinBox_GridResolution(int)));
410
	setCallBack(dock.pushButton_changePlanesColor, SIGNAL(clicked()), SLOT(slot_pushButton_changePlanesColor()));
411

412
	setCallBack(dock.compileButton, SIGNAL(clicked()), SLOT(button_compile()));
413 414 415 416

	dock.vertexEdit->setPlainText(QString(m_shader->getVertexShaderSrc()));
	dock.fragmentEdit->setPlainText(QString(m_shader->getFragmentShaderSrc()));

417 418 419
	unsigned int planesPrecision1, planesPrecision2;
	m_planeDrawable->getPrecisionDrawing(planesPrecision1, planesPrecision2);
	dock.spinBox_GridResolution->setValue(planesPrecision1);
420 421 422 423 424



	setCallBack(dock.pushButton_addSphere, SIGNAL(clicked()), SLOT(slot_pushButton_addSphere()));

425
	setCallBack(dock.spinBox_SphereResolution, SIGNAL(valueChanged(int)), SLOT(slot_spinBox_SphereResolution(int)));
426
	setCallBack(dock.pushButton_changeSpheresColor, SIGNAL(clicked()), SLOT(slot_pushButton_changeSpheresColor()));
427

428 429
	unsigned int spheresPrecision1, spheresPrecision2;
	m_sphereDrawable->getPrecisionDrawing(spheresPrecision1, spheresPrecision2);
430
	dock.spinBox_SphereResolution->setValue(spheresPrecision1);
431 432 433 434



	setCallBack(dock.doubleSpinBox_ColorAttenuationFactor, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_ColorAttenuationFactor(double)));
435 436
	setCallBack(dock.radioButton_ClippingModeAnd, SIGNAL(toggled(bool)), SLOT(slot_radioButton_ClippingMode(bool)));
	setCallBack(dock.radioButton_ColorAttenuationModeLinear, SIGNAL(toggled(bool)), SLOT(slot_radioButton_ColorAttenuationMode(bool)));
437 438 439 440

	dock.doubleSpinBox_ColorAttenuationFactor->setValue(m_shader->getClipColorAttenuationFactor());
	Utils::ClippingShader::clippingMode clipMode = m_shader->getClipMode();
	if (clipMode == Utils::ClippingShader::CLIPPING_MODE_AND)
441
		dock.radioButton_ClippingModeAnd->setChecked(true);
442
	else if (clipMode == Utils::ClippingShader::CLIPPING_MODE_OR)
443 444 445 446 447 448
		dock.radioButton_ClippingModeOr->setChecked(true);
	Utils::ClippingShader::colorAttenuationMode colorAttMode = m_shader->getClipColorAttenuationMode();
	if (colorAttMode == Utils::ClippingShader::COLOR_ATTENUATION_MODE_LINEAR)
		dock.radioButton_ColorAttenuationModeLinear->setChecked(true);
	else if (colorAttMode == Utils::ClippingShader::COLOR_ATTENUATION_MODE_QUADRATIC)
		dock.radioButton_ColorAttenuationModeQuadratic->setChecked(true);
449

450 451 452 453 454 455

	setCallBack(dock.PushButton_ApplyClippingPreset, SIGNAL(clicked()), SLOT(slot_pushButton_applyClippingPreset()));

	dock.comboBox_ClippingPresets->addItem("Dual Planes");
	dock.comboBox_ClippingPresets->addItem("Cube");

456 457
}

458
void Clipping::cb_Open()
459 460 461 462 463 464 465 466
{
	std::string filters("all (*.*)") ;
	std::string filename = selectFile("Open Mesh", "", filters) ;

	importMesh(filename) ;
	updateGL() ;
}

467
void Clipping::importMesh(std::string& filename)
468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512
{
	std::vector<std::string> attrNames ;

	std::string extension;
	size_t pos;

	pos = filename.rfind(".");    // position of "." in filename
	 extension = filename.substr(pos);

	if(extension == std::string(".tet"))
	{
		if(!Algo::Import::importTet<PFP>(myMap,filename.c_str(),attrNames))
		{
			CGoGNerr << "could not import " << filename << CGoGNendl ;
			return;
		}
		else
			position = myMap.getAttribute<PFP::VEC3>(VERTEX , attrNames[0]) ;
	}
	else if(extension == std::string(".ts"))
	{
		if(!Algo::Import::importTs<PFP>(myMap,filename.c_str(),attrNames))
		{
			CGoGNerr << "could not import " << filename << CGoGNendl ;
			return;
		}
		else
			position = myMap.getAttribute<PFP::VEC3>(VERTEX , attrNames[0]) ;
	}

	updateVBOprimitives(Algo::Render::GL2::TRIANGLES | Algo::Render::GL2::LINES | Algo::Render::GL2::POINTS) ;

	m_render_topo->updateData<PFP>(myMap, allDarts, position, m_coeffTopoExplod[0], m_coeffTopoExplod[1], m_coeffTopoExplod[2]);

	m_bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
	gPosObj = m_bb.center() ;
	float tailleX = m_bb.size(0) ;
	float tailleY = m_bb.size(1) ;
	float tailleZ = m_bb.size(2) ;
	gWidthObj = std::max<float>(std::max<float>(tailleX, tailleY), tailleZ) ;

	m_positionVBO->updateData(position) ;

	setParamObject(gWidthObj, gPosObj.data()) ;

513
	updateGLMatrices();
514 515

	m_shader->setClipColorAttenuationFactorRelative(m_bb.maxSize(), 5.0);
516 517 518 519 520 521
}

/*******************************************************************************
 *														GL FUNCTIONS
 *******************************************************************************/

522
void Clipping::cb_initGL()
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546
{
	// choose to use GL version 2
	Utils::GLSLShader::setCurrentOGLVersion(2);

	// create the render
	m_render = new Algo::Render::GL2::MapRender();
	m_render_topo = new Algo::Render::GL2::Topo3RenderMapD();

	// create VBO for position
	m_positionVBO = new Utils::VBO();

	// using simple shader with color
	m_shader = new Utils::ShaderSimpleColor();
	m_shader->setAttributePosition(m_positionVBO);
	m_shader->setColor(Geom::Vec4f(0.,1.,0.,0.));

	registerShader(m_shader);

	// setup clipping
	m_shader->insertClippingCode();

	// setup clipping shapes
	m_planeDrawable = new Utils::Grid;
	m_planeDrawable->setColor(Geom::Vec4f(1.0, 0.0, 0.0, 1.0));
547 548
	m_planeDrawable->updatePrecisionDrawing(5);
	m_sphereDrawable = new Utils::IcoSphere;
549
	m_sphereDrawable->setColor(Geom::Vec4f(0.0, 0.4, 1.0, 1.0));
550
	m_sphereDrawable->updatePrecisionDrawing(1);
551 552 553

	// setup clipping picking frame
	m_frameManipulator = new Utils::FrameManipulator();
554
	m_lastPickedObject = NULL;
555 556
}

557
void Clipping::updateVBOprimitives(int upType)
558 559 560 561 562 563 564 565 566 567 568
{
	if(upType & Algo::Render::GL2::TRIANGLES)
		m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::TRIANGLES) ;

	if(upType & Algo::Render::GL2::LINES)
		m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::LINES,false) ;

	if(upType & Algo::Render::GL2::POINTS)
		m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::POINTS) ;
}

569
void Clipping::cb_redraw()
570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598
{
	if(m_drawVertices)
	{
		m_shader->setColor(Geom::Vec4f(0.,0.,1.,0.));
		m_render->draw(m_shader, Algo::Render::GL2::POINTS);
	}

	if(m_drawLines)
	{
		glLineWidth(2.0f);
		m_shader->setColor(Geom::Vec4f(1.,1.,0.,0.));
		m_render->draw(m_shader, Algo::Render::GL2::LINES);
	}

	if(m_drawFaces)
	{
		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
		glEnable(GL_LIGHTING);
		glEnable(GL_POLYGON_OFFSET_FILL);
		glPolygonOffset(1.0f, 1.0f);
		m_shader->setColor(Geom::Vec4f(0.,1.,0.,0.));
		m_render->draw(m_shader, Algo::Render::GL2::TRIANGLES);
		glDisable(GL_POLYGON_OFFSET_FILL);
	}

	if (m_drawTopo)
		m_render_topo->drawTopo();

	// Display clipping shapes
Maire Nicolas's avatar
Maire Nicolas committed
599
	for (size_t i = 0; i < m_pickablePlanes.size(); i++)
600 601 602 603 604
	{
		if (m_pickablePlanes[i] == m_lastPickedObject)
			glLineWidth(5.0);
		else
			glLineWidth(2.0);
Maire Nicolas's avatar
Maire Nicolas committed
605
		m_pickablePlanes[i]->draw();
606
	}
Maire Nicolas's avatar
Maire Nicolas committed
607
	for (size_t i = 0; i < m_pickableSpheres.size(); i++)
608 609 610 611 612
	{
		if (m_pickableSpheres[i] == m_lastPickedObject)
			glLineWidth(5.0);
		else
			glLineWidth(2.0);
Maire Nicolas's avatar
Maire Nicolas committed
613
		m_pickableSpheres[i]->draw();
614
	}
615

616 617 618 619
	// Display picking frame
	if (m_lastPickedObject)
		m_frameManipulator->draw();

620 621
}

622
void Clipping::cb_keyPress(int code)
623
{
624 625 626
	switch (code)
	{
		case 16777223 : // Suppr
627
			slot_pushButton_deleteSelectedObject();
628 629
			break;
	}
630 631
}

632
void Clipping::cb_mousePress(int button, int x, int y)
633
{
Maire Nicolas's avatar
Maire Nicolas committed
634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653
	if (!Shift())
		return;

	m_lastClickedX = x;
	m_lastClickedY = y;

	// get ray of selection
	Geom::Vec3f rayA, rayB;
	float dist = getOrthoScreenRay(x, y, rayA, rayB);
	Geom::Vec3f AB = rayB - rayA;


	unsigned int newPickedFrameAxis = 0;
	unsigned int lastPickedFrameAxis = m_frameManipulatorPickedAxis;
	if (m_lastPickedObject)	// an object is already picked ? => frame is drawn
	{
		// picking the frame -> axis
		newPickedFrameAxis = m_frameManipulator->pick(rayA, AB, dist);
		m_frameManipulatorPickedAxis = newPickedFrameAxis;

654 655 656 657
		// highlight new axis
		if (lastPickedFrameAxis != newPickedFrameAxis)
			m_frameManipulator->highlight(m_frameManipulatorPickedAxis);
	}
Maire Nicolas's avatar
Maire Nicolas committed
658 659 660

	if (newPickedFrameAxis == 0)	// frame not picked -> pick the pickable objects
	{
661 662 663 664
		std::vector<Utils::Pickable*> tempo = m_pickablePlanes;
		tempo.insert(tempo.end(), m_pickableSpheres.begin(), m_pickableSpheres.end());
		m_lastPickedObject = Utils::Pickable::pick(tempo, rayA, AB);

Maire Nicolas's avatar
Maire Nicolas committed
665 666
		// set FrameManipulator on picked object
		if (m_lastPickedObject)
667
		{
Maire Nicolas's avatar
Maire Nicolas committed
668
			m_frameManipulator->setTransformation(m_lastPickedObject->transfo());
669 670 671 672 673 674

			// Lock individual scale axes for the sphere
			if (m_lastPickedObject->checkType<Utils::Grid>())
				m_frameManipulator->unlock(Utils::FrameManipulator::Scales);
			else if (m_lastPickedObject->checkType<Utils::Sphere>())
				m_frameManipulator->lock(Utils::FrameManipulator::Scales);
675
		}
Maire Nicolas's avatar
Maire Nicolas committed
676 677 678 679 680 681 682 683
	}

	// store origin & selected axis on screen projection for easy manipulation.
	m_frameManipulator->storeProjection(m_frameManipulatorPickedAxis);

	updateGL();
}

684
void Clipping::cb_mouseMove(int buttons, int x, int y)
Maire Nicolas's avatar
Maire Nicolas committed
685 686 687 688
{
	if (!Shift())
		return;

689 690
	bool clippingUpdateNeeded = false;

Maire Nicolas's avatar
Maire Nicolas committed
691 692 693 694 695 696 697 698 699 700 701 702
	// rotation selected ?
	if (Utils::FrameManipulator::rotationAxis(m_frameManipulatorPickedAxis))
	{
		if (buttons & 1)
		{
			float angle = m_frameManipulator->angleFromMouse(x, y, x - m_lastClickedX, y - m_lastClickedY);
			m_frameManipulator->rotate(m_frameManipulatorPickedAxis, angle);
		}
		else if (buttons & 2)
			m_frameManipulator->rotateInScreen(x - m_lastClickedX, y - m_lastClickedY);

		m_lastPickedObject->transfo() = m_frameManipulator->transfo();
703 704

		clippingUpdateNeeded = true;
Maire Nicolas's avatar
Maire Nicolas committed
705 706 707 708 709 710 711 712 713 714 715 716 717
	}
	// translation selected
	else if (Utils::FrameManipulator::translationAxis(m_frameManipulatorPickedAxis))
	{
		if (buttons & 1)
		{
			float dist =  m_frameManipulator->distanceFromMouse(x - m_lastClickedX, y - m_lastClickedY);
			m_frameManipulator->translate(m_frameManipulatorPickedAxis, dist);
		}
		else if (buttons & 2)
			m_frameManipulator->translateInScreen(x - m_lastClickedX, y - m_lastClickedY);

		m_lastPickedObject->transfo() = m_frameManipulator->transfo();
718 719

		clippingUpdateNeeded = true;
Maire Nicolas's avatar
Maire Nicolas committed
720 721 722 723 724 725 726
	}
	// scale selected
	else if (Utils::FrameManipulator::scaleAxis(m_frameManipulatorPickedAxis) )
	{
		float scale = m_frameManipulator->scaleFromMouse(x - m_lastClickedX, y - m_lastClickedY);
		m_frameManipulator->scale(m_frameManipulatorPickedAxis, scale );
		m_lastPickedObject->transfo() = m_frameManipulator->transfo();
727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753

		clippingUpdateNeeded = true;
	}

	// Update clipping shape if needed
	if (clippingUpdateNeeded && m_lastPickedObject)
	{
		if (m_lastPickedObject->checkType<Utils::Grid>())
		{
			// Get plane position and normal
			Geom::Vec3f planeNewPos = m_lastPickedObject->getPosition();
			float planeNewAxisScale; // Not used
			Geom::Vec3f planeNewNormal = m_lastPickedObject->getAxisScale(2, planeNewAxisScale); // 2 = Z axis = plane normal

			// Update clipping shape
			m_shader->setClipPlaneParamsAll(m_lastPickedObject->id(), planeNewNormal, planeNewPos);
		}
		else if (m_lastPickedObject->checkType<Utils::Sphere>())
		{
			// Get sphere position and size
			Geom::Vec3f sphereNewPos = m_lastPickedObject->getPosition();
			float sphereNewSize;
			m_lastPickedObject->getAxisScale(0, sphereNewSize); // On the sphere, every axis has the same size, so take 0 as default

			// Update clipping shape
			m_shader->setClipSphereParamsAll(m_lastPickedObject->id(), sphereNewPos, sphereNewSize);
		}
Maire Nicolas's avatar
Maire Nicolas committed
754 755 756 757 758 759
	}

	m_lastClickedX = x;
	m_lastClickedY = y;

	updateGL();
760 761 762 763 764 765 766 767 768

}

/**********************************************************************************************
 *                  MAIN FUNCTION                         								      *
 **********************************************************************************************/

int main(int argc, char** argv)
{
769
    QApplication app(argc, argv);
770

771
    Clipping sqt;
772 773
    sqt.setGeometry(0, 0, 1000, 800);
    sqt.show();
774

775
	if(argc == 2)
776
    {
777 778
            std::string filename(argv[1]);
            sqt.importMesh(filename);
779 780 781 782 783 784 785 786 787
    }
	else
	{
		sqt.position = sqt.myMap.addAttribute<PFP::VEC3>(VERTEX, "position");
		Algo::Modelisation::Primitive3D<PFP> prim(sqt.myMap, sqt.position);
		prim.hexaGrid_topo(10,10,10);
		prim.embedHexaGrid(1.0f,1.0f,1.0f);
	}

788
    sqt.initGUI();
789

790
    return app.exec();
791
}