43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2024 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#include <TestFramework.h>
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#include <Tests/SoftBody/SoftBodyLRAConstraintTest.h>
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#include <Jolt/Physics/SoftBody/SoftBodyCreationSettings.h>
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#include <Utils/SoftBodyCreator.h>
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#include <Layers.h>
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#include <Renderer/DebugRendererImp.h>
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JPH_IMPLEMENT_RTTI_VIRTUAL(SoftBodyLRAConstraintTest)
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{
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JPH_ADD_BASE_CLASS(SoftBodyLRAConstraintTest, Test)
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}
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void SoftBodyLRAConstraintTest::Initialize()
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{
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CreateFloor();
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for (int i = 0; i < 2; ++i)
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{
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auto inv_mass = [](uint, uint inZ) { return inZ == 0? 0.0f : 1.0f; };
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auto perturbation = [](uint, uint) { return Vec3::sZero(); };
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SoftBodySharedSettings::VertexAttributes va;
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va.mShearCompliance = va.mCompliance = 1.0e-3f; // Soften the edges a bit so that the effect of the LRA constraints is more visible
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va.mLRAType = i == 0? SoftBodySharedSettings::ELRAType::None : SoftBodySharedSettings::ELRAType::EuclideanDistance;
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Ref<SoftBodySharedSettings> cloth_settings = SoftBodyCreator::CreateCloth(cNumVerticesX, cNumVerticesZ, cVertexSpacing, inv_mass, perturbation, SoftBodySharedSettings::EBendType::None, va);
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SoftBodyCreationSettings cloth(cloth_settings, RVec3(-10.0f + i * 20.0f, 25.0f, 0), Quat::sIdentity(), Layers::MOVING);
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mBodyInterface->CreateAndAddSoftBody(cloth, EActivation::Activate);
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}
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}
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void SoftBodyLRAConstraintTest::PrePhysicsUpdate(const PreUpdateParams &inParams)
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{
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mDebugRenderer->DrawText3D(RVec3(-10, 26, -0.5f * cNumVerticesZ * cVertexSpacing), "Without LRA constraints", Color::sWhite);
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mDebugRenderer->DrawText3D(RVec3(10, 26, -0.5f * cNumVerticesZ * cVertexSpacing), "With LRA constraints", Color::sWhite);
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}
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