• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

C++ Vector2i类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中Vector2i的典型用法代码示例。如果您正苦于以下问题:C++ Vector2i类的具体用法?C++ Vector2i怎么用?C++ Vector2i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Vector2i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: dragMiddle

void FlyingModeManipulator::dragMiddle(
        const Vector2i& to,
        const Vector2i& from )
{
    Viewport& viewport = _window.getViewPort();
    const float x = ( to.x() - from.x( )) * _window.getMotionSpeed();
    const float y = ( to.y() - from.y( )) * _window.getMotionSpeed();
    viewport.translate( Vector3f( x, y , 0.f ), true );
}
开发者ID:helloweishi,项目名称:Brayns,代码行数:9,代码来源:FlyingModeManipulator.cpp


示例2: dragLeft

void FlyingModeManipulator::dragLeft(
        const Vector2i& to,
        const Vector2i& from )
{
    const float du = ( to.x() - from.x( )) * _window.getRotateSpeed();
    const float dv = ( to.y() - from.y( )) * _window.getRotateSpeed();
    Viewport& viewport = _window.getViewPort();
    viewport.rotate( viewport.getPosition(), du, dv, true );
}
开发者ID:helloweishi,项目名称:Brayns,代码行数:9,代码来源:FlyingModeManipulator.cpp


示例3: dragRight

void FlyingModeManipulator::dragRight(
        const Vector2i& to,
        const Vector2i& from )
{
    const float fwd = -( to.y() - from.y( )) * _window.getMotionSpeed();
    Viewport& viewport = _window.getViewPort();
    const Vector3f dir( 0.f, 0.f , 1.f );
    viewport.translate( dir*fwd, false );
}
开发者ID:helloweishi,项目名称:Brayns,代码行数:9,代码来源:FlyingModeManipulator.cpp


示例4: Vector2i

bool Font::FontTexture::findEmpty(const Vector2i& size, Vector2i& cursor_out)
{
	if(size.x() >= textureSize.x() || size.y() >= textureSize.y())
		return false;

	if(writePos.x() + size.x() >= textureSize.x() &&
		writePos.y() + rowHeight + size.y() + 1 < textureSize.y())
	{
		// row full, but it should fit on the next row
		// move cursor to next row
		writePos = Vector2i(0, writePos.y() + rowHeight + 1); // leave 1px of space between glyphs
		rowHeight = 0;
	}

	if(writePos.x() + size.x() >= textureSize.x() ||
		writePos.y() + size.y() >= textureSize.y())
	{
		// nope, still won't fit
		return false;
	}

	cursor_out = writePos;
	writePos[0] += size.x() + 1; // leave 1px of space between glyphs

	if(size.y() > rowHeight)
		rowHeight = size.y();

	return true;
}
开发者ID:RetroPie,项目名称:EmulationStation,代码行数:29,代码来源:Font.cpp


示例5: nvgFontSize

Vector2i Window::preferredSize(NVGcontext *ctx) const {
    Vector2i result = Widget::preferredSize(ctx);

    nvgFontSize(ctx, 18.0f);
    nvgFontFace(ctx, "sans-bold");
    float bounds[4];
    nvgTextBounds(ctx, 0, 0, mTitle.c_str(), nullptr, bounds);

    return result.cwiseMax(Vector2i(
        bounds[2]-bounds[0] + 20, bounds[3]-bounds[1]
    ));
}
开发者ID:Nuos,项目名称:crawler,代码行数:12,代码来源:window.cpp


示例6: storageImplementationDefault

void AbstractTexture::storageImplementationDefault(GLenum target, GLsizei levels, AbstractTexture::InternalFormat internalFormat, const Vector2i& size) {
    bindInternal();
    /** @todo Re-enable when extension wrangler is available for ES2 */
    #ifndef MAGNUM_TARGET_GLES2
    glTexStorage2D(target, levels, GLenum(internalFormat), size.x(), size.y());
    #else
    //glTexStorage2DEXT(target, levels, GLenum(internalFormat), size.x(), size.y());
    static_cast<void>(target);
    static_cast<void>(levels);
    static_cast<void>(internalFormat);
    static_cast<void>(size);
    #endif
}
开发者ID:JanDupal,项目名称:magnum,代码行数:13,代码来源:AbstractTexture.cpp


示例7: aspectRatioFix

template<UnsignedInt dimensions, class T> typename DimensionTraits<dimensions, T>::MatrixType aspectRatioFix(AspectRatioPolicy aspectRatioPolicy, const Math::Vector2<T>& projectionScale, const Vector2i& viewport) {
    /* Don't divide by zero / don't preserve anything */
    if(projectionScale.x() == 0 || projectionScale.y() == 0 || viewport.x() == 0 || viewport.y() == 0 || aspectRatioPolicy == AspectRatioPolicy::NotPreserved)
        return {};

    Math::Vector2<T> relativeAspectRatio = Math::Vector2<T>(viewport)*projectionScale;

    /* Extend on larger side = scale larger side down
       Clip on smaller side = scale smaller side up */
    return Camera<dimensions, T>::aspectRatioScale(
               (relativeAspectRatio.x() > relativeAspectRatio.y()) == (aspectRatioPolicy == AspectRatioPolicy::Extend) ?
               Vector2(relativeAspectRatio.y()/relativeAspectRatio.x(), T(1.0)) :
               Vector2(T(1.0), relativeAspectRatio.x()/relativeAspectRatio.y()));
}
开发者ID:respu,项目名称:magnum,代码行数:14,代码来源:AbstractCamera.hpp


示例8: aspectRatioFix

template<UnsignedInt dimensions, class T> MatrixTypeFor<dimensions, T> aspectRatioFix(AspectRatioPolicy aspectRatioPolicy, const Math::Vector2<T>& projectionScale, const Vector2i& viewport) {
    /* Don't divide by zero / don't preserve anything */
    if(projectionScale.x() == 0 || projectionScale.y() == 0 || viewport.x() == 0 || viewport.y() == 0 || aspectRatioPolicy == AspectRatioPolicy::NotPreserved)
        return {};

    CORRADE_INTERNAL_ASSERT((projectionScale > Math::Vector2<T>(0)).all() && (viewport > Vector2i(0)).all());
    Math::Vector2<T> relativeAspectRatio = Math::Vector2<T>(viewport)*projectionScale;

    /* Extend on larger side = scale larger side down
       Clip on smaller side = scale smaller side up */
    return MatrixTypeFor<dimensions, T>::scaling(Math::Vector<dimensions, T>::pad(
        (relativeAspectRatio.x() > relativeAspectRatio.y()) == (aspectRatioPolicy == AspectRatioPolicy::Extend) ?
        Math::Vector2<T>(relativeAspectRatio.y()/relativeAspectRatio.x(), T(1)) :
        Math::Vector2<T>(T(1), relativeAspectRatio.x()/relativeAspectRatio.y()), T(1)));
}
开发者ID:GYGit,项目名称:magnum,代码行数:15,代码来源:Camera.hpp


示例9: SetWindowLongPtr

void Application::toggleFullScreen ()
{
  if (fullscreen)
  {
#ifdef _WIN32
  SetWindowLongPtr(hWnd, GWL_STYLE, WS_OVERLAPPEDWINDOW | WS_VISIBLE);
  SetWindowPos(hWnd, NULL, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOMOVE | SWP_FRAMECHANGED | SWP_SHOWWINDOW);
  // ShowWindow(hWnd, SW_SHOWNORMAL);
#endif
  }
  else
  {
#ifdef _WIN32
  SetWindowLongPtr(hWnd, GWL_STYLE, WS_POPUP | WS_VISIBLE);
  SetWindowPos(hWnd, NULL, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOMOVE | SWP_FRAMECHANGED | SWP_SHOWWINDOW);
  // ShowWindow(hWnd, SW_SHOWMAXIMIZED);
#endif
  }
  fullscreen = !fullscreen;

  // Set the size.
#ifdef _WIN32
  RECT rect;
  GetClientRect(hWnd, &rect);
  size.set(rect.right, rect.bottom); // left and top are always 0.
#endif

  screenToNDC = Transform::screenToNDC<float>(size);
  if (widget != 0)
  {
    widget->setBounds(Box2i::minSize(Vector2i::zero(), size));
  }
}
开发者ID:fiddleplum,项目名称:kit,代码行数:33,代码来源:Win32Application.cpp


示例10: wndProc

LRESULT WINAPI wndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
  switch (msg)
  {
  case WM_CREATE:
    ::hWnd = hWnd;
    break;
  case WM_CLOSE:
    onClose();
    break;
  case WM_SIZE:
    {
      int newWidth = LOWORD(lParam);
      int newHeight = HIWORD(lParam);
      size.set(newWidth, newHeight);
      screenToNDC = Transform::screenToNDC<float>(size);
      if (widget != 0)
      {
        widget->setBounds(Box2i::minSize(Vector2i::zero(), size));
      }
    }
    break;
  case WM_SYSKEYDOWN:
  case WM_KEYDOWN:
    if (wParam == VK_RETURN && (lParam & 0xffff) == 1 && GetKeyState(VK_MENU) < 0) // alt-enter
    {
      Application::toggleFullScreen();
    }
    break;
  default:
    return DefWindowProc(hWnd, msg, wParam, lParam);
  }
  return 0;
}
开发者ID:fiddleplum,项目名称:kit,代码行数:34,代码来源:Win32Application.cpp


示例11: unproject

Eigen::Vector3f unproject(const Eigen::Vector3f &win,
                          const Eigen::Matrix4f &model,
                          const Eigen::Matrix4f &proj,
                          const Vector2i &viewportSize) {
    Eigen::Matrix4f Inverse = (proj * model).inverse();

    Eigen::Vector4f tmp;
    tmp << win, 1;
    tmp(0) = tmp(0) / viewportSize.x();
    tmp(1) = tmp(1) / viewportSize.y();
    tmp = tmp.array() * 2.0f - 1.0f;

    Eigen::Vector4f obj = Inverse * tmp;
    obj /= obj(3);

    return obj.head(3);
}
开发者ID:nickolasrossi,项目名称:nanogui,代码行数:17,代码来源:glutil.cpp


示例12: calcInverseTransformation

Matrix3f NNUtilities::calcInverseTransformation(const Vector2i& center, const Vector2i& inSize, const Vector2i& outSize, const Angle rotation)
{
  const Vector2i upperLeft = (center.array() - inSize.array() / 2).matrix();
  const Vector2f transformationFactor = (inSize.cast<float>().array() / outSize.cast<float>().array()).matrix();
  //float sin = std::sin(rotation);
  //float cos = std::cos(rotation);

  Matrix3f inverseTransformation; //TODO check rotation
  inverseTransformation(0, 0) = transformationFactor.x();// *cos;
  inverseTransformation(0, 1) = 0;// transformationFactor.x() * (-sin);
  inverseTransformation(1, 0) = 0;// transformationFactor.y() * sin;
  inverseTransformation(1, 1) = transformationFactor.y();// *cos;

  inverseTransformation(0, 2) = upperLeft.x();// +outSize.x() * (1 - cos + sin) / 2 * transformationFactor.x();
  inverseTransformation(1, 2) = upperLeft.y();// +outSize.y() * (1 - sin - cos) / 2 * transformationFactor.y();
  return inverseTransformation;
}
开发者ID:bhuman,项目名称:BHumanCodeRelease,代码行数:17,代码来源:NNUtilities.cpp


示例13: dim

void CompoundUpdateOutputVisitor::_generateTiles(TileQueue* queue,
                                                 Compound* compound)
{
    const Vector2i& tileSize = queue->getTileSize();
    const PixelViewport& pvp = compound->getInheritPixelViewport();
    if (!pvp.hasArea())
        return;

    const Vector2i dim(pvp.w / tileSize.x() + ((pvp.w % tileSize.x()) ? 1 : 0),
                       pvp.h / tileSize.y() + ((pvp.h % tileSize.y()) ? 1 : 0));

    std::vector<Vector2i> tiles;
    tiles.reserve(dim.x() * dim.y());

    tiles::generateZigzag(tiles, dim);
    _addTilesToQueue(queue, compound, tiles);
}
开发者ID:eile,项目名称:Equalizer,代码行数:17,代码来源:compoundUpdateOutputVisitor.cpp


示例14: mouseDragEvent

bool Slider::mouseDragEvent(const Vector2i &p, const Vector2i & /* rel */,
                            int /* button */, int /* modifiers */) {
    if (!mEnabled)
        return false;
    mValue = std::min(std::max((p.x() - mPos.x()) / (float) mSize.x(), (float) 0.0f), (float) 1.0f);
    if (mCallback)
        mCallback(mValue);
    return true;
}
开发者ID:GuilhermeAlanJohann,项目名称:nanogui-sdl,代码行数:9,代码来源:slider.cpp


示例15: PutSpace

Layout LayoutStack::PutSpace(Vector2i size)
{
	auto& b = stack.back();
	Layout l = b.getNext(b.grow);

	if (l.fill == Dir::Down || l.fill == Dir::Up)
	{
		l.across = size.x();
		l.maxFill = size.y();
	}
	else
	{
		l.across = size.y();
		l.maxFill = size.x();
	}
	b.putNext(l);
	return l;
}
开发者ID:danielkeller,项目名称:Violet,代码行数:18,代码来源:Layout.cpp


示例16: project

Eigen::Vector3f project(const Eigen::Vector3f &obj,
                        const Eigen::Matrix4f &model,
                        const Eigen::Matrix4f &proj,
                        const Vector2i &viewportSize) {
    Eigen::Vector4f tmp;
    tmp << obj, 1;

    tmp = model * tmp;

    tmp = proj * tmp;

    tmp = tmp.array() / tmp(3);
    tmp = tmp.array() * 0.5f + 0.5f;
    tmp(0) = tmp(0) * viewportSize.x();
    tmp(1) = tmp(1) * viewportSize.y();

    return tmp.head(3);
}
开发者ID:nickolasrossi,项目名称:nanogui,代码行数:18,代码来源:glutil.cpp


示例17: mouseButtonEvent

bool Window::mouseButtonEvent(const Vector2i &p, int button, bool down, int modifiers) {
    if (Widget::mouseButtonEvent(p, button, down, modifiers))
        return true;
    if (button == GLFW_MOUSE_BUTTON_1) {
        mDrag = down && (p.y() - mPos.y()) < mTheme->mWindowHeaderHeight;
        return true;
    }
    return false;
}
开发者ID:AlwaysGeeky,项目名称:nanogui,代码行数:9,代码来源:window.cpp


示例18: setUniformValue

bool ShaderProgram::setUniformValue(const std::string& name, const Vector2i& v)
{
  GLint location = static_cast<GLint>(findUniform(name));
  if (location == -1) {
    m_error = "Could not set uniform " + name + ". No such uniform.";
    return false;
  }
  glUniform2iv(location, 1, v.data());
  return true;
}
开发者ID:OpenChemistry,项目名称:avogadrolibs,代码行数:10,代码来源:shaderprogram.cpp


示例19: deliverPoint

void AutomaticCameraCalibratorHandlerInsertion::deliverPoint(const Vector2i& point, bool upper, bool deletionRequired)
{
  if(!deletionRequired)
  {
    std::stringstream line1;
    line1 << "set module:AutomaticCameraCalibrator:insertionCurrentCamera " << (upper ? "upper;" : "lower;");
    robotConsole->handleConsole(line1.str());
    std::stringstream line2;
    line2 << "set module:AutomaticCameraCalibrator:insertionPoint x = ";
    line2 << point.x();
    line2 << "; y = ";
    line2 << point.y();
    line2 << ";";
    robotConsole->handleConsole(line2.str());
    std::stringstream line3;
    line3 << "dr module:AutomaticCameraCalibrator:insertPoint";
    robotConsole->handleConsole(line3.str());
  }
}
开发者ID:weilandetian,项目名称:Yoyo,代码行数:19,代码来源:AutomaticCameraCalibratorHandlerInsertion.cpp


示例20: mouseButtonEvent

bool Slider::mouseButtonEvent(const Vector2i &p, int /* button */, bool down, int /* modifiers */) {
    if (!mEnabled)
        return false;
    mValue = std::min(std::max((p.x() - mPos.x()) / (float) mSize.x(), (float) 0.0f), (float) 1.0f);
    if (mCallback)
        mCallback(mValue);
    if (mFinalCallback && !down)
        mFinalCallback(mValue);
    return true;
}
开发者ID:GuilhermeAlanJohann,项目名称:nanogui-sdl,代码行数:10,代码来源:slider.cpp



注:本文中的Vector2i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。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
C++ Vector3类代码示例发布时间:2022-05-31
下一篇:
C++ Vector2f类代码示例发布时间:2022-05-31
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap