115 lines
2.4 KiB
C++
115 lines
2.4 KiB
C++
/*
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* Copyright (c) 2016-2019 Irlan Robson https://irlanrobson.github.io
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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 HULL_COLLISION_H
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#define HULL_COLLISION_H
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class HullCollision : public Collide
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{
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public:
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enum
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{
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e_count = 256
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};
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HullCollision()
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{
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m_xfA.position.Set(0.0f, 1.5f, 0.0f);
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m_xfA.rotation.SetIdentity();
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m_xfB.SetIdentity();
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m_cache.count = 0;
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Generate();
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}
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void KeyDown(int button)
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{
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if (button == GLFW_KEY_G)
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{
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Generate();
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}
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Collide::KeyDown(button);
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}
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void Generate()
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{
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for (u32 i = 0; i < e_count; ++i)
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{
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float32 x = 3.0f * RandomFloat(-1.0f, 1.0f);
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float32 y = 3.0f * RandomFloat(-1.0f, 1.0f);
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float32 z = 3.0f * RandomFloat(-1.0f, 1.0f);
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x = b3Clamp(x, -2.5f, 2.5f);
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y = b3Clamp(y, -2.5f, 2.5f);
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z = b3Clamp(z, -2.5f, 2.5f);
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b3Vec3 p(x, y, z);
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m_points1[i] = p;
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}
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for (u32 i = 0; i < e_count; ++i)
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{
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float32 x = 3.0f * RandomFloat(-1.0f, 1.0f);
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float32 y = 3.0f * RandomFloat(-1.0f, 1.0f);
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float32 z = 3.0f * RandomFloat(-1.0f, 1.0f);
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x = b3Clamp(x, -2.5f, 2.5f);
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y = b3Clamp(y, -2.5f, 2.5f);
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z = b3Clamp(z, -2.5f, 2.5f);
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b3Vec3 p(x, y, z);
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m_points2[i] = p;
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}
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}
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void Step()
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{
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b3QHull hull1;
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hull1.Set(sizeof(b3Vec3), m_points1, e_count);
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b3HullShape sA;
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sA.m_hull = &hull1;
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m_shapeA = &sA;
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b3QHull hull2;
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hull2.Set(sizeof(b3Vec3), m_points2, e_count);
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b3HullShape sB;
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sB.m_hull = &hull2;
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m_shapeB = &sB;
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g_draw->DrawString(b3Color_white, "G - Generate a random convex hull pair");
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Collide::Step();
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}
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static Test* Create()
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{
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return new HullCollision();
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}
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b3Vec3 m_points1[e_count];
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b3Vec3 m_points2[e_count];
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};
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#endif |