91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SPRING_CLOTH_TESH_H
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#define SPRING_CLOTH_TESH_H
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extern DebugDraw* g_debugDraw;
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extern Camera g_camera;
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extern Settings g_settings;
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class SpringCloth : public Test
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{
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public:
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SpringCloth()
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{
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g_camera.m_zoom = 25.0f;
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b3SpringClothDef def;
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def.allocator = &m_clothAllocator;
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def.mesh = m_meshes + e_clothMesh;
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def.density = 0.2f;
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def.ks = 100000.0f;
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def.kd = 100.0f;
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def.gravity.Set(2.5f, 5.0f, -10.0f);
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m_cloth.Initialize(def);
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m_aabb.m_lower.Set(-5.0f, -1.0f, -6.0f);
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m_aabb.m_upper.Set(5.0f, 1.0f, -4.0f);
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for (u32 i = 0; i < def.mesh->vertexCount; ++i)
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{
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if (m_aabb.Contains(def.mesh->vertices[i]))
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{
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m_cloth.SetType(i, e_staticMass);
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}
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}
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}
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void Step()
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{
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float32 dt = g_settings.hertz > 0.0f ? 1.0f / g_settings.hertz : 0.0f;
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if (g_settings.pause)
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{
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if (g_settings.singleStep)
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{
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g_settings.singleStep = false;
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}
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else
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{
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dt = 0.0f;
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}
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}
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m_cloth.Step(dt);
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m_cloth.Draw(g_debugDraw);
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b3SpringClothStep step = m_cloth.GetStep();
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char text[256];
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sprintf(text, "Iterations = %u", step.iterations);
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g_debugDraw->DrawString(text, b3Color_white);
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}
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static Test* Create()
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{
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return new SpringCloth();
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}
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b3StackAllocator m_clothAllocator;
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b3SpringCloth m_cloth;
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b3AABB3 m_aabb;
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};
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#endif |