90 lines
2.5 KiB
C++
90 lines
2.5 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 CLUSTER_H
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#define CLUSTER_H
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#include <bounce/dynamics/contacts/contact_cluster.h>
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extern DebugDraw* g_debugDraw;
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extern Camera g_camera;
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class Cluster : public Test
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{
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public:
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Cluster()
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{
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g_camera.m_zoom = 10.0f;
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// Initialize observations
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b3StackArray<b3Observation, 256> tempObservations;
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tempObservations.Resize(90);
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for (u32 i = 0; i < tempObservations.Count(); ++i)
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{
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float32 x = RandomFloat(-1.0f, 1.0f);
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float32 y = RandomFloat(-1.0f, 1.0f);
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float32 z = RandomFloat(-1.0f, 1.0f);
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tempObservations[i].point.Set(x, y, z);
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tempObservations[i].point = b3Normalize(tempObservations[i].point);
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tempObservations[i].cluster = 0xFFFFFFFF;
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}
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// Initialize clusters
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b3StackArray<b3Cluster, 3> tempClusters;
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b3InitializeClusters(tempClusters, tempObservations);
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// Clusterize
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b3Clusterize(m_clusters, m_observs, tempClusters, tempObservations);
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for (u32 i = 0; i < m_clusters.Count(); ++i)
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{
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m_colors[i] = b3Color(RandomFloat(0.0f, 1.0f), RandomFloat(0.0f, 1.0f), RandomFloat(0.0f, 1.0f));
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}
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}
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void Step()
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{
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for (u32 i = 0; i < m_clusters.Count(); ++i)
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{
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g_debugDraw->DrawSegment(b3Vec3(0, 0, 0), m_clusters[i].centroid, b3Color(1, 1, 1));
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g_debugDraw->DrawPoint(m_clusters[i].centroid, 4.0f, m_colors[i]);
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for (u32 j = 0; j < m_observs.Count(); ++j)
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{
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b3Observation obs = m_observs[j];
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if (obs.cluster == i)
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{
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g_debugDraw->DrawPoint(obs.point, 4.0f, m_colors[i]);
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}
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}
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}
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}
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static Test* Create()
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{
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return new Cluster();
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}
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b3StackArray<b3Observation, 256> m_observs;
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b3StackArray<b3Cluster, 3> m_clusters;
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b3Color m_colors[3];
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};
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#endif
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