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C++ FluidSim::add_force方法代码示例

本文整理汇总了C++中FluidSim::add_force方法的典型用法代码示例。如果您正苦于以下问题:C++ FluidSim::add_force方法的具体用法?C++ FluidSim::add_force怎么用?C++ FluidSim::add_force使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在FluidSim的用法示例。


在下文中一共展示了FluidSim::add_force方法的2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,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: velocity

TEST(PressureTest, LinearEquationSetup_Complex)
{
  glm::ivec2 size(50);

  FluidSim sim;
  sim.initialize(1.0f, size.x, size.y);
  sim.set_boundary(boundary_phi);

  AddParticles(size, sim, complex_boundary_phi);

  sim.add_force(0.01f);

  Velocity velocity(*device, size);
  Texture solidPhi(*device, size.x, size.y, vk::Format::eR32Sfloat);
  Texture liquidPhi(*device, size.x, size.y, vk::Format::eR32Sfloat);

  BuildInputs(*device, size, sim, velocity, solidPhi, liquidPhi);

  LinearSolver::Data data(*device, size, VMA_MEMORY_USAGE_CPU_ONLY);
  Buffer<glm::ivec2> valid(*device, size.x * size.y, VMA_MEMORY_USAGE_CPU_ONLY);

  Pressure pressure(*device, 0.01f, size, data, velocity, solidPhi, liquidPhi, valid);

  pressure.BuildLinearEquation();
  device->Handle().waitIdle();

  CheckDiagonal(size, data.Diagonal, sim, 1e-3f);  // FIXME can we reduce error tolerance?
  CheckWeights(size, data.Lower, sim, 1e-3f);      // FIXME can we reduce error tolerance?
  CheckDiv(size, data.B, sim);
}
开发者ID:mmaldacker,项目名称:Vortex2D,代码行数:30,代码来源:PressureTests.cpp

示例2: data

TEST(LinearSolverTests, IncompletePoisson_Simple_PCG)
{
  glm::ivec2 size(50);

  FluidSim sim;
  sim.initialize(1.0f, size.x, size.y);
  sim.set_boundary(boundary_phi);

  AddParticles(size, sim, boundary_phi);

  sim.add_force(0.01f);
  sim.compute_phi();
  sim.extrapolate_phi();
  sim.apply_projection(0.01f);

  LinearSolver::Data data(*device, size, VMA_MEMORY_USAGE_CPU_ONLY);

  BuildLinearEquation(size, data.Diagonal, data.Lower, data.B, sim);

  IncompletePoisson preconditioner(*device, size);

  LinearSolver::Parameters params(LinearSolver::Parameters::SolverType::Iterative, 1000, 1e-5f);
  ConjugateGradient solver(*device, size, preconditioner);

  solver.Bind(data.Diagonal, data.Lower, data.B, data.X);
  solver.Solve(params);

  device->Queue().waitIdle();

  CheckPressure(size, sim.pressure, data.X, 1e-5f);

  std::cout << "Solved with number of iterations: " << params.OutIterations << std::endl;
}
开发者ID:mmaldacker,项目名称:Vortex2D,代码行数:33,代码来源:LinearSolverTests.cpp


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