C++ geometry类代码示例

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本文整理汇总了C++中geometry类的典型用法代码示例。如果您正苦于以下问题：C++ geometry类的具体用法？C++ geometry怎么用？C++ geometry使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了geometry类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: create_sierpinski

void create_sierpinski(geometry &geom) {
  vector<vec3> points;
  vector<vec4> colours;
  // Three corners of the triangle
  array<vec3, 3> v = {vec3(-1.0f, -1.0f, 0.0f), vec3(0.0f, 1.0f, 0.0f), vec3(1.0f, -1.0f, 0.0f)};
  // Create random engine - generates random numbers
  default_random_engine e;
  // Create a distribution.  3 points in array so want 0-2
  uniform_int_distribution<int> dist(0, 2);
  // Add first point to the geometry
  points.push_back(vec3(0.25f, 0.5f, 0.0f));
  // Add first colour to the geometry
  colours.push_back(vec4(1.0f, 0.0f, 0.0f, 1.0f));
  // Add random points using distribution
  for (auto i = 1; i < num_points; ++i) {
    // *********************************
    // Add random point
	points.push_back((points[i-1] + v[dist(e)]) /2.0f);
    // Add colour - all points red
	colours.push_back(vec4(1.0f, 0.0f, 0.0f, 1.0f));
    // *********************************
  }
  // *********************************
  // Add buffers to geometry
  geom.add_buffer(points, BUFFER_INDEXES::POSITION_BUFFER);
  geom.add_buffer(colours, BUFFER_INDEXES::COLOUR_BUFFER);
  // *********************************
}

开发者ID:DelbyPicnic，项目名称:set08116，代码行数:28，代码来源:18_Point_Based_Sierpinski.cpp

示例2: load_content

bool load_content() {
  geom.set_type(GL_TRIANGLE_STRIP);
  // Create quad data
  // Positions
  vector<vec3> positions{vec3(-1.0f, -1.0f, 0.0f), vec3(1.0f, -1.0f, 0.0f), vec3(-1.0f, 1.0f, 0.0f),
                         vec3(1.0f, 1.0f, 0.0f)};
  // Colours
  vector<vec4> colours{vec4(1.0f, 0.0f, 0.0f, 1.0f), vec4(1.0f, 0.0f, 0.0f, 1.0f), vec4(1.0f, 0.0f, 0.0f, 1.0f),
                       vec4(1.0f, 0.0f, 0.0f, 1.0f)};
  // Add to the geometry
  geom.add_buffer(positions, BUFFER_INDEXES::POSITION_BUFFER);
  geom.add_buffer(colours, BUFFER_INDEXES::COLOUR_BUFFER);

  // Load in shaders
  eff.add_shader("shaders/basic.vert", GL_VERTEX_SHADER);
  eff.add_shader("shaders/basic.frag", GL_FRAGMENT_SHADER);
  // Build effect
  eff.build();

  // Set camera properties
  cam.set_position(vec3(10.0f, 10.0f, 10.0f));
  cam.set_target(vec3(0.0f, 0.0f, 0.0f));
  auto aspect = static_cast<float>(renderer::get_screen_width()) / static_cast<float>(renderer::get_screen_height());
  cam.set_projection(quarter_pi<float>(), aspect, 2.414f, 1000.0f);
  return true;
}

开发者ID:dooglz，项目名称:set08116，代码行数:26，代码来源:17_Full_Transformation.cpp

示例3: spgw_standartize_cell

  int spgw_standartize_cell(geometry<VALTYPE,CELL> &inGeom,geometry<VALTYPE,CELL>
                            &outGeom, float symprec = 1e-5)
  {

    int num_atoms = inGeom.size();
    auto latticev = new VALTYPE[3][3]();
    auto position = new VALTYPE[num_atoms][3]();
    auto types = new int[num_atoms]();
    get_spgdata_from_geom(inGeom,latticev,position,types);

    int to_primitive = 1;
    int no_idealize = 0;
    int num_primitive_atom = spg_standardize_cell(latticev, position, types,
                                                  to_primitive, no_idealize,
                                                  num_atoms, symprec);

    //Get standartized cell back to user
    for(int i=0; i<3; i++){
      outGeom.cell.v[i].x() = latticev[i][0];
      outGeom.cell.v[i].y() = latticev[i][1];
      outGeom.cell.v[i].z() = latticev[i][2];
    }

    for(int i=0; i<num_atoms; i++){
      outGeom.add(inGeom.atom_of_type(types[i]),
                  position[i][0], position[i][1], position[i][2]);
    }

    return num_primitive_atom;
  }

开发者ID:ZloyBabai，项目名称:qpp，代码行数:30，代码来源:spgw.hpp

示例4: neighbor_index_shift_narrow

 neighbor_index_shift_narrow(const geometry<2>& geo)
 {
     index_shift.push_back(-geo.width());
     index_shift.push_back(-1);
     index_shift.push_back(0);
     index_shift.push_back(1);
     index_shift.push_back(geo.width());
 }

开发者ID:，项目名称:，代码行数:8，代码来源:

示例5: get_Clip

geometry UIElement::MakeVisibleGeometry(geometry clip)
{
	m_visibleGeometryValid = true;

	//gm::RectF bounds = clip.GetBounds();

	geometry clipThis = get_Clip();
	if (clipThis != nullptr)
	{
		clip &= clipThis;
	}

#ifdef _DEBUG
	gm::RectF bounds = clip.GetBounds();
#endif

	geometry geom = GetHitGeometry();
#ifdef _DEBUG
	gm::RectF bounds2 = geom.GetBounds();
#endif

	clip &= geom;

#ifdef _DEBUG
	gm::RectF bounds3 = clip.GetBounds();
#endif

	size_t nchildren = GetChildrenCount();
	for (size_t i = nchildren; i > 0; --i)
	{
		Visual* child = GetChild(i-1);

		geometry geom2 = child->MakeVisibleGeometry(clip);

		clip |= geom2;
	}

	UIElement* shadowTree = get_ShadowTree();
	if (shadowTree)
	{
		geometry geom2 = shadowTree->MakeVisibleGeometry(clip);

#ifdef _DEBUG
	gm::RectF bounds5 = geom2.GetBounds();
#endif

		clip |= geom2;
	}

#ifdef _DEBUG
	gm::RectF bounds4 = clip.GetBounds();
#endif

	set_VisibleGeometry(clip);

	return clip;
}

开发者ID:sigurdle，项目名称:FirstProject2，代码行数:57，代码来源:UIElement.cpp

示例6: load_content

bool load_content() {
  // Create cube data - eight corners
  // Positions
  vector<vec3> positions{
      // *********************************
      // Add the position data for cube corners here (8 total)



      // *********************************
  };
  // Colours
  vector<vec4> colours;
  for (auto i = 0; i < positions.size(); ++i) {
    colours.push_back(vec4((i + 1) % 2, 0.0f, i % 2, 1.0f));
  }
  // Create the index buffer
  vector<GLuint> indices{
      // *********************************
      // Add index information here - 3 per triangle, 6 per face, 12 triangles
      // Front

      // Back

      // Right

      // Left

      // Top

      // Bottom

      // *********************************
  };
  // Add to the geometry
  geom.add_buffer(positions, BUFFER_INDEXES::POSITION_BUFFER);
  geom.add_buffer(colours, BUFFER_INDEXES::COLOUR_BUFFER);
  // ****************************
  // Add index buffer to geometry
  // ****************************
  geom.add_index_buffer(indices);

  // Load in shaders
  eff.add_shader("shaders/basic.vert", GL_VERTEX_SHADER);
  eff.add_shader("shaders/basic.frag", GL_FRAGMENT_SHADER);
  // Build effect
  eff.build();

  // Set camera properties
  cam.set_position(vec3(10.0f, 10.0f, 10.0f));
  cam.set_target(vec3(0.0f, 0.0f, 0.0f));
  auto aspect = static_cast<float>(renderer::get_screen_width()) / static_cast<float>(renderer::get_screen_height());
  cam.set_projection(quarter_pi<float>(), aspect, 2.414f, 1000.0f);
  return true;
}

开发者ID:dooglz，项目名称:set08116，代码行数:55，代码来源:22_Indexed_Cube.cpp

示例7: load_content

bool load_content()
{
	// **************************
	// Set geometry type to quads
	// **************************
	geom.set_type(GL_QUADS);

	// Create quad data
	// Positions
	vector<vec3> positions
	{
		// ***********************************************
		// Add the four positions of the quad corners here
		// ***********************************************
		vec3(-1.0f, 1.0f, 0.0f),
		vec3(-1.0f, -1.0f, 0.0f),
		vec3(1.0f, -1.0f, 0.0f),
		vec3(1.0f, 1.0f, 0.0f)

	};
	// Colours
	vector<vec4> colours
	{
		vec4(1.0f, 0.0f, 0.0f, 1.0f),
		vec4(1.0f, 0.0f, 0.0f, 1.0f),
		vec4(1.0f, 0.0f, 0.0f, 1.0f),
		vec4(1.0f, 0.0f, 0.0f, 1.0f)
	};
	// Add to the geometry
	geom.add_buffer(positions, BUFFER_INDEXES::POSITION_BUFFER);
	geom.add_buffer(colours, BUFFER_INDEXES::COLOUR_BUFFER);

	// Load in shaders
	eff.add_shader(
		"..\\resources\\shaders\\basic.vert", // filename
		GL_VERTEX_SHADER); // type
	eff.add_shader(
		"..\\resources\\shaders\\basic.frag", // filename
		GL_FRAGMENT_SHADER); // type
	// Build effect
	eff.build();

	// Set camera properties
	cam.set_position(vec3(10.0f, 10.0f, 10.0f));
	cam.set_target(vec3(0.0f, 0.0f, 0.0f));
	auto aspect = static_cast<float>(renderer::get_screen_width()) / static_cast<float>(renderer::get_screen_height());
	cam.set_projection(quarter_pi<float>(), aspect, 2.414f, 1000.0f);
	return true;
}

开发者ID:Zoeoeh，项目名称:Coursework-ComputerGraphics，代码行数:49，代码来源:main.cpp

示例8: spgw_get_symmetry

  void spgw_get_symmetry(generated_group<rotrans<REAL,true> > & G,
       geometry<REAL,CELL> & geom,
       REAL R = geometry<REAL,CELL>::tol_geom_default) {
    int nat = geom.size();
    auto lattice = new double[3][3]();
    auto position = new double[nat][3]();
    auto types = new int[nat]();

    get_spgdata_from_geom(geom,lattice,position,types);

    int max_size = nat*48, nsymm;
    double translation[max_size][3];
    int rotation[max_size][3][3];

    //std::cout << "before get symmetry\n";

    nsymm = spg_get_symmetry(rotation, translation, max_size, lattice, position, types, nat, R);
    matrix3<REAL> f2c,c2f;

    //std::cout << "after get symmetry\n";

    G.group.clear();

    for (int i=0; i<3; i++)
      for (int j=0; j<3; j++)
        f2c(i,j) = geom.cell(i)(j);

    c2f = f2c.inverse();

    for (int i=0; i<nsymm; i++)
      {
  //std::cout << "i= " << i << "\n";

      matrix3<REAL> rot;
      vector3<REAL> transl = {translation[i][0],translation[i][1],translation[i][2]};
      for (int j=0; j<3; j++)
  for (int k=0; k<3; k++)
    rot(j,k) = rotation[i][j][k];
      rot = f2c*rot*c2f;
      G.group.push_back(rotrans<REAL,true>(f2c*transl,rot,&geom.cell));
      }

    /*
  std::cout << "Leaving get_symmetry\n";
  for (int i=0; i<G.group.size(); i++)
  std:: cout << G.group[i] << "\n";
    */

  }

开发者ID:ZloyBabai，项目名称:qpp，代码行数:49，代码来源:spgw.hpp

示例9: neighbor_index_shift

 neighbor_index_shift(const geometry<3>& geo)
 {
     int wh = geo.plane_size();
     int w = geo.width();
     for (int z = -1;z <= 1; ++z)
     {
         int zwh = z*wh;
         for (int y = -1;y <= 1; ++y)
         {
             int yw = y*w;
             for (int x = -1;x <= 1; ++x)
                 index_shift.push_back(x + yw + zwh);
         }
     }
 }

开发者ID:，项目名称:，代码行数:15，代码来源:

示例10: extents_observer_t

 extents_observer_t( geometry<REAL, CELL> & g) {
   geom = &g;
   geom->add_observer(*this);
   first_data = true;
   aabb.max = vector3<REAL>(0.0, 0.0, 0.0);
   aabb.min = vector3<REAL>(0.0, 0.0, 0.0);
 }

开发者ID:ZloyBabai，项目名称:qpp，代码行数:7，代码来源:extents_observer.hpp

示例11: TEST

TEST(GeometryLineSegmentTest, OrientationTest2) {
	using geometry::Point;
	using geometry::orientation;

	Point<int> originPt(1000, 1000);
	Point<int>    endPt(1100, 1000);

	Point<int> ccwPt(1050, 1050);
	Point<int> colPt(1200, 1000);
	Point<int>  cwPt(1050,  950);

	// Test CCW,
	EXPECT_EQ(1, orientation({originPt, endPt}, ccwPt));

	// Test Co-linear
	EXPECT_EQ(0, orientation({originPt, endPt}, colPt));

	// Test CW
	EXPECT_EQ(-1, orientation({originPt, endPt}, cwPt));
}

开发者ID:，项目名称:，代码行数:20，代码来源:

示例12: spgw_get_schoenflies

  std::string spgw_get_schoenflies(geometry<VALTYPE,CELL> &inGeom, float symprec = 1e-7){

    int num_atoms = inGeom.size();
    auto latticev = new VALTYPE[3][3]();
    auto position = new VALTYPE[num_atoms][3]();
    auto types = new int[num_atoms]();
    get_spgdata_from_geom(inGeom,latticev,position,types);
    char symbol[21];

    int num_spg = spg_get_schoenflies(symbol, latticev, position, types, num_atoms, symprec);
    return std::string(symbol);
  }

开发者ID:ZloyBabai，项目名称:qpp，代码行数:12，代码来源:spgw.hpp

示例13: Bisect

Argument Bisect(Function f,
                Argument const& lower_bound,
                Argument const& upper_bound) {
  using Value = decltype(f(lower_bound));
  Value const zero{};
  Value f_upper = f(upper_bound);
  Value f_lower = f(lower_bound);
  if (f_upper == zero) {
    return upper_bound;
  }
  if (f_lower == zero) {
    return lower_bound;
  }
  CHECK(f_lower > zero && zero > f_upper || f_lower < zero && zero < f_upper)
      << "\nlower: " << lower_bound << " :-> " << f_lower << ", "
      << "\nupper: " << upper_bound << " :-> " << f_upper;
  Argument lower = lower_bound;
  Argument upper = upper_bound;
  for (;;) {
    Argument const middle =
        Barycentre<Argument, double>({lower, upper}, {1, 1});
    // The size of the interval has reached one ULP.
    if (middle == lower || middle == upper) {
      return middle;
    }
    Value const f_middle = f(middle);
    if (f_middle == zero) {
      return middle;
    } else if (Sign(f_middle) == Sign(f_upper)) {
      upper = middle;
    } else {
      lower = middle;
    }
  }
}

开发者ID:，项目名称:，代码行数:35，代码来源:

示例14: light_radius_for_visibility

void light_radius_for_visibility(point_light_component * view, const position_component3d * pos)
{
	constexpr double sweep_degrees_radians = 2 * DEGRAD;
	constexpr double three_sixy_degrees_radians = 360 * DEGRAD;

	view->last_visibility.clear();

	// You can always see yourself
	const int16_t x = pos->pos.x;
	const int16_t y = pos->pos.y;
	const uint8_t z = pos->pos.z;
	const uint8_t region_idx = pos->pos.region;
	const int my_idx = get_tile_index(x, y, z);
	const int radius = view->light_range;
	view->last_visibility.push_back(my_idx);
	region_t * current_region = world::planet->get_region(region_idx);

	// Sweep around
	for (double angle = 0; angle < three_sixy_degrees_radians; angle +=	sweep_degrees_radians)
	{
		double this_radius = radius;

		pair<int, int> destination = project_angle(x, y, this_radius, angle);
		for (int lz = z - radius; lz < z + radius; ++lz)
		{
			bool blocked = false;
			line_func_3d(x, y, z, destination.first, destination.second, lz,
					[&blocked,view,current_region] (int tx, int ty, int tz)
					{
						if (tx < 0 or tx > REGION_WIDTH or ty < 0 or ty > REGION_HEIGHT or tz<0 or tz>REGION_DEPTH) return;
						const int index = get_tile_index(tx,ty,tz);

						if (!blocked)
						{
							if (tx >=0 and tx < REGION_WIDTH and ty>=0 and ty<REGION_HEIGHT and tz>0 and tz<REGION_DEPTH)
							{
								view->last_visibility.push_back(index);
							}

							// FIXME: More block reasons
							tile_t * tile = &current_region->tiles[index];
							if (tile->flags.test( TILE_OPTIONS::VIEW_BLOCKED ) )
							{
								blocked = true;
							}
						}
					});
		}
	}

}

开发者ID:Zigkurat，项目名称:bgame，代码行数:51，代码来源:global_illumination_system.cpp

示例15: NotNull

TEST_F(BodyTest, RotatingSerializationSuccess) {
  EXPECT_FALSE(rotating_body_.is_massless());
  EXPECT_FALSE(rotating_body_.is_oblate());

  serialization::Body message;
  RotatingBody<World> const* cast_rotating_body;
  rotating_body_.WriteToMessage(&message);
  EXPECT_TRUE(message.has_massive_body());
  EXPECT_FALSE(message.has_massless_body());
  EXPECT_TRUE(message.massive_body().HasExtension(
                  serialization::RotatingBody::extension));
  EXPECT_EQ(17, message.massive_body().gravitational_parameter().magnitude());
  serialization::RotatingBody const rotating_body_extension =
      message.massive_body().GetExtension(
          serialization::RotatingBody::extension);
  EXPECT_EQ(3, rotating_body_extension.reference_angle().magnitude());
  EXPECT_EQ(4,
            rotating_body_extension.reference_instant().scalar().magnitude());
  EXPECT_EQ(angular_velocity_,
            AngularVelocity<World>::ReadFromMessage(
                rotating_body_extension.angular_velocity()));

  // Dispatching from |MassiveBody|.
  not_null<std::unique_ptr<MassiveBody const>> const massive_body =
      MassiveBody::ReadFromMessage(message);
  EXPECT_EQ(rotating_body_.gravitational_parameter(),
            massive_body->gravitational_parameter());
  cast_rotating_body = dynamic_cast<RotatingBody<World> const*>(&*massive_body);
  EXPECT_THAT(cast_rotating_body, NotNull());
  EXPECT_EQ(rotating_body_.gravitational_parameter(),
            cast_rotating_body->gravitational_parameter());
  EXPECT_EQ(rotating_body_.angular_velocity(),
            cast_rotating_body->angular_velocity());
  EXPECT_EQ(rotating_body_.AngleAt(Instant()),
            cast_rotating_body->AngleAt(Instant()));

  // Dispatching from |Body|.
  not_null<std::unique_ptr<Body const>> const body =
      Body::ReadFromMessage(message);
  cast_rotating_body = dynamic_cast<RotatingBody<World> const*>(&*body);
  EXPECT_THAT(cast_rotating_body, NotNull());
  EXPECT_EQ(rotating_body_.gravitational_parameter(),
            cast_rotating_body->gravitational_parameter());
  EXPECT_EQ(rotating_body_.angular_velocity(),
            cast_rotating_body->angular_velocity());
  EXPECT_EQ(rotating_body_.AngleAt(Instant()),
            cast_rotating_body->AngleAt(Instant()));
}

开发者ID:tsal，项目名称:Principia，代码行数:48，代码来源:body_test.cpp

示例16: TestRotatingBody

  void TestRotatingBody() {
    using F = Frame<Tag, tag, true>;

    AngularVelocity<F> const angular_velocity =
        AngularVelocity<F>({-1 * Radian / Second,
                            2 * Radian / Second,
                            5 * Radian / Second});
    auto const rotating_body =
        RotatingBody<F>(17 * SIUnit<GravitationalParameter>(),
                        typename RotatingBody<F>::Parameters(
                            2 * Metre,
                            3 * Radian,
                            Instant() + 4 * Second,
                            angular_velocity));

    serialization::Body message;
    RotatingBody<F> const* cast_rotating_body;
    rotating_body.WriteToMessage(&message);
    EXPECT_TRUE(message.has_massive_body());
    EXPECT_FALSE(message.has_massless_body());
    EXPECT_TRUE(message.massive_body().HasExtension(
                    serialization::RotatingBody::extension));

    not_null<std::unique_ptr<MassiveBody const>> const massive_body =
        MassiveBody::ReadFromMessage(message);
    EXPECT_EQ(rotating_body.gravitational_parameter(),
              massive_body->gravitational_parameter());
    cast_rotating_body = dynamic_cast<RotatingBody<F> const*>(&*massive_body);
    EXPECT_THAT(cast_rotating_body, NotNull());
  }

开发者ID:tsal，项目名称:Principia，代码行数:30，代码来源:body_test.cpp

示例17: UnitQuaternion

 float Transform3D::norm(Transform3D T){
     float pos_norm = arma::norm(T.translation());
     UnitQuaternion q = UnitQuaternion(Rotation3D(T.submat(0,0,2,2)));
     float angle = q.getAngle();
     //TODO: how to weight these two?
     return pos_norm + Rotation3D::norm(T.rotation());
 }

开发者ID:JakeFountain，项目名称:AutocalibrationResearch，代码行数:7，代码来源:Transform3D.cpp

示例18: Instant

TEST_F(CheckpointerTest, CreateUnconditionally) {
  Instant const t = Instant() + 10 * Second;
  EXPECT_CALL(writer_, Call(_));
  checkpointer_.CreateUnconditionally(t);
  Message m;
  EXPECT_CALL(m, MergeFrom(_));
  EXPECT_EQ(t, checkpointer_.WriteToMessage(&m));
}

开发者ID:mockingbirdnest，项目名称:Principia，代码行数:8，代码来源:checkpointer_test.cpp

示例19: fmin

 float Rotation3D::norm(Rotation3D T) {
     UnitQuaternion q = UnitQuaternion(T);
     // Get angle between -2Pi and 2pi
     float angle = q.getAngle();
     // Just want magnitude
     float theta = std::fabs(angle);
     // But rotating more that Pi in one direction is equivalent to a rotation in the other direction
     return std::fmin(2 * M_PI - theta, theta);
 }

开发者ID:NUbots，项目名称:NUbots，代码行数:9，代码来源:Rotation3D.cpp

示例20:

    void compute_2body_terms() {

      std::cout << "Compute two body terms \n";

      for (size_t i = 0; i < geom->nat(); i++)
        for (size_t j = i; j < geom->nat(); j++)
          if (i != j) {

              int type1 = geom->type_table(i);
              int type2 = geom->type_table(j);

              int type_1 = std::min(type1, type2);
              int type_2 = std::max(type1, type2);

              int _i = i;
              int _j = j;

              if (type1 != type_1) {
                  _i = j;
                  _j = i;
                }

              auto it = cache_pot_2body.find(std::make_tuple(type_1, type_2));
              if (it != cache_pot_2body.end())
                for (auto &pot : it->second) {
                    fmt::print(std::cout,
                               "COMPUTE t1b = {}, t2b = {}, t1a = {}, t2a = {},"
                               " ib = {}, jb = {}, ia = {}, ja = {}, pot = {}, val={}\n",
                               type1,
                               type2,
                               type_1,
                               type_2,
                               i,
                               j,
                               _i,
                               _j,
                               pot.pot_name,
                               std::get<0>(pot.fn_en)((geom->pos(_i) - geom->pos(_j)).norm(),
                                                      pot.param_pack));
                  }

            }

    };

开发者ID:ZloyBabai，项目名称:qpp，代码行数:44，代码来源:cls_pot.cpp

注：本文中的geometry类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。