qglengine: direct primitive editor

git-svn-id: svn://db.shs.com.ru/libs@687 a8b55f48-bf90-11e4-a774-851b48703e85

qglengine/core/glprimitives.cpp

@@ -87,7 +87,7 @@ Mesh * Primitive::cube(float width, float length, float height) {
 }
 
 
-Mesh * Primitive::ellipsoid(int segments_wl, int segments_h, float width, float length, float height) {
+Mesh * Primitive::ellipsoid(int segments_wl, int segments_h, float width, float length, float height, float end_angle) {
 	Mesh * ret = new Mesh();
 	QVector<QVector3D> & v(ret->vertices ());
 	QVector<QVector3D> & n(ret->normals  ());
@@ -96,6 +96,7 @@ Mesh * Primitive::ellipsoid(int segments_wl, int segments_h, float width, float
 	double hh = height / 2.f;
 	int hseg = segments_h + 1, wlseg = segments_wl + 1;
 	double crw, crl, a, ch, twl;
+	double eang = deg2rad * end_angle;
 
 	QVector3D cp;
 	for (int i = 0; i <= hseg; i++) {
@@ -106,10 +107,12 @@ Mesh * Primitive::ellipsoid(int segments_wl, int segments_h, float width, float
 		crl = twl * length;
 		int cvcnt = wlseg * 2;
 		for (int j = 0; j < cvcnt; j++) {
-			a = (double)j / (cvcnt - 1) * M_2PI;
+			a = (double)j / (cvcnt - 1) * eang;
 			cp.setX(crl * cos(a));
 			cp.setY(crw * sin(a));
-			v << cp; t << QVector2D((double)j / (cvcnt - 1), ch/2.f + 0.5f);
+			v << cp;
+			t << QVector2D((double)j / (cvcnt - 1), ch/2.f + 0.5f);
+			n << (cp / QVector3D(length * length, width * width, height * height)).normalized();
 			int si = v.size() - 1;
 			if (j > 0 && i > 0) {
 				ind << Vector3i(si - cvcnt - 1, si, si - 1);
@@ -117,16 +120,22 @@ Mesh * Primitive::ellipsoid(int segments_wl, int segments_h, float width, float
 			}
 		}
 	}
-
-	n.resize(v.size());
-	for (int i = 0; i < v.size(); i++)
-		n[i] = v[i].normalized();
-
+	if (end_angle < 360.) {
+		Mesh * cap = Primitive::disc(segments_h+1, length, height, 180);
+		cap->rotatePoints(90, 0, 1, 0);
+		cap->rotatePoints(-90, 0, 0, 1);
+		ret->append(cap);
+		cap->flipNormals();
+		cap->rotatePoints(end_angle, 0, 0, 1);
+		cap->scalePoints(QVector3D((cos(eang)*cos(eang)*width+sin(eang)*sin(eang)*length)/width, (cos(eang)*cos(eang)*length+sin(eang)*sin(eang)*width)/length, 1));
+		ret->append(cap);
+		delete cap;
+	}
 	return ret;
 }
 
 
-Mesh * Primitive::disc(int segments, float width, float length, bool up, float end_angle) {
+Mesh * Primitive::disc(int segments, float width, float length, float end_angle) {
 	Mesh * ret = new Mesh();
 	QVector<QVector3D> & v(ret->vertices ());
 	QVector<QVector3D> & n(ret->normals  ());
@@ -136,6 +145,7 @@ Mesh * Primitive::disc(int segments, float width, float length, bool up, float e
 	segments = qMax(segments + 1, 4);
 	QVector3D cp;
 	v << QVector3D();
+	n << QVector3D(0, 0, 1);
 	t << QVector2D(0.5f, 0.5f);
 	end_angle *= deg2rad;
 	for (int i = 0; i < segments; i++) {
@@ -143,20 +153,11 @@ Mesh * Primitive::disc(int segments, float width, float length, bool up, float e
 		cp.setX(length / 2. * cos(a));
 		cp.setY(width  / 2. * sin(a));
 		v << cp;
+		n << QVector3D(0, 0, 1);
 		t << QVector2D(cp.x() / width + 0.5f, cp.y() / length + 0.5f);
 		int si = v.size() - 1;
-		if (i > 0) {
-			if (up)
-				ind << Vector3i(si - 1, si, 0);
-			else
-				ind << Vector3i(si, si - 1, 0);
-		}
+		if (i > 0) ind << Vector3i(si - 1, si, 0);
 	}
-
-	n.resize(v.size());
-	for (int i = 0; i < v.size(); i++)
-		n[i] = QVector3D(0, 0, up ? 1 : -1);
-
 	return ret;
 }
 
@@ -172,6 +173,8 @@ QVector3D coneNormal(double rx, double ry, double height, double ang) {
 	norm.setZ(norm.length() * tan(ca));
 	return norm.normalized();
 }
+
+
 Mesh * Primitive::cone(int segments, float width, float length, float height) {
 	Mesh * ret = new Mesh();
 	QVector<QVector3D> & v(ret->vertices ());
@@ -200,7 +203,8 @@ Mesh * Primitive::cone(int segments, float width, float length, float height) {
 			ind << Vector3i(si - 1, si - 2, si);
 	}
 
-	Mesh * cap = Primitive::disc(segments, width, length, false);
+	Mesh * cap = Primitive::disc(segments, width, length);
+	cap->flipNormals();
 	ret->append(cap);
 	delete cap;
 
@@ -208,7 +212,7 @@ Mesh * Primitive::cone(int segments, float width, float length, float height) {
 }
 
 
-Mesh * Primitive::cylinder(int segments, float width, float length, float height) {
+Mesh * Primitive::cylinder(int segments, float width, float length, float height, float end_angle) {
 	Mesh * ret = new Mesh();
 	QVector<QVector3D> & v(ret->vertices ());
 	QVector<QVector3D> & n(ret->normals  ());
@@ -218,12 +222,14 @@ Mesh * Primitive::cylinder(int segments, float width, float length, float height
 	int seg = qMax(segments + 1, 4);
 	double rx = width / 2., ry = length / 2.;
 	QVector3D cp, norm;
+	double eang = deg2rad * end_angle;
+
 	for (int i = 0; i < seg; i++) {
-		double a = (double)i / (seg - 1) * M_2PI;
+		double a = (double)i / (seg - 1) * eang;
 		cp.setX(ry * cos(a));
 		cp.setY(rx * sin(a));
 		cp.setZ(0.);
-		norm = cp.normalized();
+		norm = (cp / QVector3D(length * length, width * width, 1)).normalized();
 		v << cp;
 		cp.setZ(height);
 		v << cp;
@@ -237,14 +243,27 @@ Mesh * Primitive::cylinder(int segments, float width, float length, float height
 		}
 	}
 
-	Mesh * cap = Primitive::disc(segments, width, length, false);
+	Mesh * cap = Primitive::disc(segments, width, length, end_angle);
+	cap->flipNormals();
 	ret->append(cap);
-	delete cap;
-	cap = Primitive::disc(segments, width, length, true);
 	cap->translatePoints(QVector3D(0., 0., height));
+	cap->flipNormals();
 	ret->append(cap);
 	delete cap;
 
+	if (end_angle < 360.) {
+		Mesh * cap = Primitive::plane(length/2, height);
+		cap->rotatePoints(90, 1, 0, 0);
+		//cap->rotatePoints(-90, 0, 0, 1);
+		cap->translatePoints(length/4, 0, height/2);
+		ret->append(cap);
+		cap->flipNormals();
+		cap->rotatePoints(end_angle, 0, 0, 1);
+		cap->scalePoints(QVector3D((cos(eang)*cos(eang)*width+sin(eang)*sin(eang)*length)/width, (cos(eang)*cos(eang)*length+sin(eang)*sin(eang)*width)/length, 1));
+		ret->append(cap);
+		delete cap;
+	}
+
 	return ret;
 }
 
@@ -304,16 +323,14 @@ Mesh * Primitive::torus(int segments_main, int segments_second, float radius_mai
 		pcnt = v.size();
 	}
 	if (end_angle < 360.) {
-		Mesh * cap = Primitive::disc(segments_second-1, radius_second * 2, radius_second * 2, true);
+		Mesh * cap = Primitive::disc(segments_second-1, radius_second * 2, radius_second * 2);
 		cap->rotatePoints(90, 1, 0, 0);
 		cap->translatePoints(radius_main, 0, 0);
 		ret->append(cap);
-		delete cap;
-		cap = Primitive::disc(segments_second-1, radius_second * 2, radius_second * 2, false);
-		cap->rotatePoints(90, 1, 0, 0);
-		cap->translatePoints(radius_main, 0, 0);
+		cap->flipNormals();
 		cap->rotatePoints(end_angle, 0, 0, 1);
 		ret->append(cap);
+		delete cap;
 	}
 	return ret;
 }

qglengine/core/glprimitives.h

@@ -29,13 +29,13 @@ Mesh * plane(float width = 1., float length = 1.);
 
 Mesh * cube(float width = 1., float length = 1., float height = 1.);
 
-Mesh * ellipsoid(int segments_wl, int segments_h, float width = 1., float length = 1., float height = 1.);
+Mesh * ellipsoid(int segments_wl, int segments_h, float width = 1., float length = 1., float height = 1., float end_angle = 360.);
 
-Mesh * disc(int segments, float width = 1., float length = 1., bool up = true, float end_angle = 360.);
+Mesh * disc(int segments, float width = 1., float length = 1., float end_angle = 360.);
 
 Mesh * cone(int segments, float width = 1., float length = 1., float height = 1.);
 
-Mesh * cylinder(int segments, float width = 1., float length = 1., float height = 1.);
+Mesh * cylinder(int segments, float width = 1., float length = 1., float height = 1., float end_angle = 360.);
 
 Mesh * arrow(int segments = 16, float thick = 0.04, float angle = 30.); // length = 1
 

qglengine/renderer_service.cpp

@@ -79,10 +79,11 @@ RendererService::RendererService(Renderer * r_): r(r_) {
 
 	handle_move_mesh = Primitive::arrow(12, 0.06);
 	handle_ms_2_mesh = Primitive::torus(8, 12, 0.5, 0.02, 90);
-	Mesh * m = Primitive::disc(8, 1., 1., true, 90);
+	Mesh * m = Primitive::disc(8, 1., 1., 90);
 	handle_ms_2_mesh->append(m);
 	delete m;
-	m = Primitive::disc(8, 1., 1., false, 90);
+	m = Primitive::disc(8, 1., 1., 90);
+	m->flipNormals();
 	handle_ms_2_mesh->append(m);
 	delete m;
 

qglengine/widgets/primitiveeditor.cpp

@@ -7,6 +7,7 @@
 
 PrimitiveEditor::PrimitiveEditor(QWidget *parent) : QWidget(parent), ui(new Ui::PrimitiveEditor) {
 	view = 0;
+	can_replace = false;
 	ui->setupUi(this);
 	editors[Plane] << ui->widgetWidth;
 	editors[Plane] << ui->widgetLength;
@@ -18,6 +19,7 @@ PrimitiveEditor::PrimitiveEditor(QWidget *parent) : QWidget(parent), ui(new Ui::
 	editors[Ellipsoid] << ui->widgetHeight;
 	editors[Ellipsoid] << ui->widgetSegments;
 	editors[Ellipsoid] << ui->widgetSegments2;
+	editors[Ellipsoid] << ui->widgetAngle;
 	editors[Disc] << ui->widgetWidth;
 	editors[Disc] << ui->widgetLength;
 	editors[Disc] << ui->widgetSegments;
@@ -30,6 +32,7 @@ PrimitiveEditor::PrimitiveEditor(QWidget *parent) : QWidget(parent), ui(new Ui::
 	editors[Cylinder] << ui->widgetLength;
 	editors[Cylinder] << ui->widgetHeight;
 	editors[Cylinder] << ui->widgetSegments;
+	editors[Cylinder] << ui->widgetAngle;
 	editors[Torus] << ui->widgetRadius1;
 	editors[Torus] << ui->widgetRadius2;
 	editors[Torus] << ui->widgetSegments;
@@ -63,44 +66,70 @@ void PrimitiveEditor::assignQGLView(QGLView * v) {
 }
 
 
-Mesh * PrimitiveEditor::createMesh() {
+Mesh * PrimitiveEditor::createMesh(QVariantList & params) {
 	Mesh * m = 0;
 	PrimitiveType pt = (PrimitiveType)ui->comboPrimitives->currentIndex();
+	params << pt;
 	switch (pt) {
 		case Plane:
 			m = Primitive::plane(ui->spinWidth->value(),
 								 ui->spinLength->value());
+			params << ui->spinWidth->value()
+				   << ui->spinLength->value();
 			break;
 		case Cube:
 			m = Primitive::cube(ui->spinWidth->value(),
 								ui->spinLength->value(),
 								ui->spinHeight->value());
+			params << ui->spinWidth->value()
+				   << ui->spinLength->value()
+				   << ui->spinHeight->value();
 			break;
 		case Ellipsoid:
 			m = Primitive::ellipsoid(ui->spinSegments->value(),
 									 ui->spinSegments2->value(),
 									 ui->spinWidth->value(),
 									 ui->spinLength->value(),
-									 ui->spinHeight->value());
+									 ui->spinHeight->value(),
+									 ui->spinAngle->value());
+			params << ui->spinSegments->value()
+				   << ui->spinSegments2->value()
+				   << ui->spinWidth->value()
+				   << ui->spinLength->value()
+				   << ui->spinHeight->value()
+				   << ui->spinAngle->value();
 			break;
 		case Disc:
 			m = Primitive::disc(ui->spinSegments->value(),
 								ui->spinWidth->value(),
 								ui->spinLength->value(),
-								true,
 								ui->spinAngle->value());
+			params << ui->spinSegments->value()
+				   << ui->spinWidth->value()
+				   << ui->spinLength->value()
+				   << ui->spinAngle->value();
 			break;
 		case Cone:
 			m = Primitive::cone(ui->spinSegments->value(),
 								ui->spinWidth->value(),
 								ui->spinLength->value(),
 								ui->spinHeight->value());
+			params << ui->spinSegments->value()
+				   << ui->spinWidth->value()
+				   << ui->spinLength->value()
+				   << ui->spinHeight->value();
 			break;
 		case Cylinder:
 			m = Primitive::cylinder(ui->spinSegments->value(),
 									ui->spinWidth->value(),
 									ui->spinLength->value(),
-									ui->spinHeight->value());
+									ui->spinHeight->value(),
+									ui->spinAngle->value());
+			params << ui->spinSegments->value()
+				   << ui->spinWidth->value()
+				   << ui->spinLength->value()
+				   << ui->spinHeight->value()
+				   << ui->spinAngle->value();
 			break;
 		case Torus:
 			m = Primitive::torus(ui->spinSegments->value(),
@@ -108,9 +137,16 @@ Mesh * PrimitiveEditor::createMesh() {
 								 ui->spinRadius->value(),
 								 ui->spinRadius2->value(),
 								 ui->spinAngle->value());
+			params << ui->spinSegments->value()
+				   << ui->spinSegments2->value()
+				   << ui->spinRadius->value()
+				   << ui->spinRadius2->value()
+				   << ui->spinAngle->value();
 			break;
 		default: return 0;
 	}
+	params << ui->flipNormals->isChecked();
+	params << ui->colorButton->color();
 	if (ui->flipNormals->isChecked())
 		m->flipNormals();
 	return m;
@@ -126,32 +162,90 @@ void PrimitiveEditor::showEditors() {
 
 
 void PrimitiveEditor::selectionChanged() {
-	ObjectBase * so = view->selectedObject();
-	bool has_1 = so;
-	ui->buttonReplace->setEnabled(has_1);
+	ObjectBase * so = view->selectedObject();\
+	can_replace = false;
+	if (so) {
+		QVariantList vl = so->property("primitive", &can_replace).toList();
+		if (can_replace && !vl.isEmpty()) {
+			PrimitiveType pt = (PrimitiveType)vl.takeFirst().toInt();
+			ui->comboPrimitives->setCurrentIndex(pt);
+			switch (pt) {
+			case Plane:
+				ui->spinWidth->setValue(vl.takeFirst().toDouble());
+				ui->spinLength->setValue(vl.takeFirst().toDouble());
+			break;
+			case Cube:
+				ui->spinWidth->setValue(vl.takeFirst().toDouble());
+				ui->spinLength->setValue(vl.takeFirst().toDouble());
+				ui->spinHeight->setValue(vl.takeFirst().toDouble());
+			break;
+			case Ellipsoid:
+				ui->spinSegments->setValue(vl.takeFirst().toDouble());
+				ui->spinSegments2->setValue(vl.takeFirst().toDouble());
+				ui->spinWidth->setValue(vl.takeFirst().toDouble());
+				ui->spinLength->setValue(vl.takeFirst().toDouble());
+				ui->spinHeight->setValue(vl.takeFirst().toDouble());
+				ui->spinAngle->setValue(vl.takeFirst().toDouble());
+			break;
+			case Disc:
+				ui->spinSegments->setValue(vl.takeFirst().toDouble());
+				ui->spinWidth->setValue(vl.takeFirst().toDouble());
+				ui->spinLength->setValue(vl.takeFirst().toDouble());
+				ui->spinAngle->setValue(vl.takeFirst().toDouble());
+			break;
+			case Cone:
+				ui->spinSegments->setValue(vl.takeFirst().toDouble());
+				ui->spinWidth->setValue(vl.takeFirst().toDouble());
+				ui->spinLength->setValue(vl.takeFirst().toDouble());
+				ui->spinHeight->setValue(vl.takeFirst().toDouble());
+			break;
+			case Cylinder:
+				ui->spinSegments->setValue(vl.takeFirst().toDouble());
+				ui->spinWidth->setValue(vl.takeFirst().toDouble());
+				ui->spinLength->setValue(vl.takeFirst().toDouble());
+				ui->spinHeight->setValue(vl.takeFirst().toDouble());
+				ui->spinAngle->setValue(vl.takeFirst().toDouble());
+			break;
+			case Torus:
+				ui->spinSegments->setValue(vl.takeFirst().toDouble());
+				ui->spinSegments2->setValue(vl.takeFirst().toDouble());
+				ui->spinRadius->setValue(vl.takeFirst().toDouble());
+				ui->spinRadius2->setValue(vl.takeFirst().toDouble());
+				ui->spinAngle->setValue(vl.takeFirst().toDouble());
+			break;
+			}
+			ui->flipNormals->setChecked(vl.takeFirst().toBool());
+			ui->colorButton->setColor(vl.takeFirst().value<QColor>());
+		}
+	}
 }
 
 
 void PrimitiveEditor::replaceMesh() {
 	if (!view) return;
-	if (!ui->buttonReplace->isEnabled() || !ui->buttonReplace->isChecked()) return;
+	if (!can_replace) return;
 	ObjectBase * so = view->selectedObject();
 	if (!so) return;
-	Mesh * m = createMesh();
+	QVariantList params;
+	Mesh * m = createMesh(params);
 	if (!m) return;
 	so->setMesh(m);
+	so->setColor(ui->colorButton->color());
+	so->setName(ui->comboPrimitives->currentText());
+	so->setProperty("primitive", params);
 	delete m;
-
 }
 
 
 void PrimitiveEditor::on_buttonAdd_clicked() {
 	if (!view) return;
-	Mesh * m = createMesh();
+	QVariantList params;
+	Mesh * m = createMesh(params);
 	if (!m) return;
 	ObjectBase * o = new ObjectBase(m);
 	o->setColor(ui->colorButton->color());
 	o->setName(ui->comboPrimitives->currentText());
+	o->setProperty("primitive", params);
 	view->scene()->addObject(o);
 	view->scene()->selectObject(o);
 	delete m;

qglengine/widgets/primitiveeditor.h

@@ -30,13 +30,14 @@ public:
 	void assignQGLView(QGLView * v);
 
 protected:
-	Mesh * createMesh();
+	Mesh * createMesh(QVariantList & params);
 	void showEditors();
 
 	Ui::PrimitiveEditor *ui;
 	QGLView * view;
 	QMap<PrimitiveType, QList<QWidget *> > editors;
 	QList<QWidget *> all_editors;
+	bool can_replace;
 
 private slots:
 	void selectionChanged();

qglengine/widgets/primitiveeditor.ui

@@ -384,31 +384,9 @@
        <property name="text">
         <string>Add</string>
        </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="horizontalSpacer">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QPushButton" name="buttonReplace">
-       <property name="enabled">
-        <bool>false</bool>
-       </property>
-       <property name="text">
-        <string>Replace</string>
-       </property>
-       <property name="checkable">
-        <bool>true</bool>
+       <property name="icon">
+        <iconset resource="../../qad/utils/qad_utils.qrc">
+         <normaloff>:/icons/list-add.png</normaloff>:/icons/list-add.png</iconset>
        </property>
       </widget>
      </item>
@@ -438,7 +416,9 @@
    <header>scroll_spin_box.h</header>
   </customwidget>
  </customwidgets>
- <resources/>
+ <resources>
+  <include location="../../qad/utils/qad_utils.qrc"/>
+ </resources>
  <connections>
   <connection>
    <sender>spinWidth</sender>
@@ -601,18 +581,18 @@
    </hints>
   </connection>
   <connection>
-   <sender>buttonReplace</sender>
-   <signal>clicked()</signal>
+   <sender>colorButton</sender>
+   <signal>colorChanged(QColor)</signal>
    <receiver>PrimitiveEditor</receiver>
    <slot>replaceMesh()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>340</x>
-     <y>529</y>
+     <x>271</x>
+     <y>285</y>
     </hint>
     <hint type="destinationlabel">
-     <x>367</x>
-     <y>524</y>
+     <x>179</x>
+     <y>267</y>
     </hint>
    </hints>
   </connection>