Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
//===========================================================================//
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// File: angle.tst //
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// Project: MUNGA Brick: Math Library //
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// Contents: Tests for angle classes //
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//---------------------------------------------------------------------------//
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// Date Who Modification //
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// -------- --- ---------------------------------------------------------- //
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// 11/19/94 JMA Initial coding. //
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//---------------------------------------------------------------------------//
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// Copyright (C) 1994-1995, Virtual World Entertainment, Inc. //
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// All Rights reserved worldwide //
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// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL //
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//===========================================================================//
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#include "StuffHeaders.hpp"
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//
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//#############################################################################
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//#############################################################################
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//
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bool
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Sphere::TestClass()
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{
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SPEW((GROUP_STUFF_TEST, "Starting Sphere Test..."));
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for (int test_count=10; test_count <= 50; test_count+=10)
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{
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DynamicArrayOf<Point3D> points(test_count);
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int sphere_counts[6];
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int obb_counts[3];
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memset(sphere_counts, 0, sizeof(sphere_counts));
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memset(obb_counts, 0, sizeof(obb_counts));
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double sphere_bests_obb = 0.0;
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double obb_bests_sphere = 0.0;
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double sphere_worsts_obb = 0.0;
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double obb_worsts_sphere = 0.0;
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double best_obb_ratio = 1000000.0;
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double worst_obb_ratio = 0.0;
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int sphere_betters=0;
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int obb_betters=0;
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for (int test=0; test<5000; ++test)
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{
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for (int i=0; i<test_count; ++i)
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{
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points[i].x = Random::GetFraction()*200.0f - 100.0f;
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points[i].y = Random::GetFraction()*200.0f - 100.0f;
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points[i].z = Random::GetFraction()*200.0f - 100.0f;
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}
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Sphere sphere;
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sphere_counts[sphere.ComputeBounds(points)]++;
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Scalar s_volume = sphere.GetVolume();
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OBB obb;
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obb_counts[obb.ComputeBounds(points)]++;
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Scalar o_volume = obb.GetVolume();
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if (s_volume > o_volume)
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{
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++obb_betters;
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obb_bests_sphere += o_volume;
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sphere_worsts_obb += s_volume;
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if (o_volume/s_volume < best_obb_ratio)
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best_obb_ratio = o_volume/s_volume;
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}
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else
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{
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++sphere_betters;
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obb_worsts_sphere += o_volume;
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sphere_bests_obb += s_volume;
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if (o_volume/s_volume > worst_obb_ratio)
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worst_obb_ratio = o_volume/s_volume;
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}
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}
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SPEW(("jmalbert", "Point count = %d", test_count));
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SPEW(("jmalbert", ""));
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SPEW(("jmalbert", "Immediate chord sphere: %f", 100.0f*(float)sphere_counts[1]/test));
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SPEW(("jmalbert", "Immediate circumsphere: %f", 100.0f*(float)sphere_counts[2]/test));
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SPEW(("jmalbert", "Centroid sphere: %f", 100.0f*(float)sphere_counts[3]/test));
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SPEW(("jmalbert", "Grown chord sphere: %f", 100.0f*(float)sphere_counts[4]/test));
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SPEW(("jmalbert", "Grown circumsphere: %f", 100.0f*(float)sphere_counts[5]/test));
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SPEW(("jmalbert", ""));
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SPEW(("jmalbert", "Non-aligned obb: %f", 100.0f*(float)obb_counts[1]/test));
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SPEW(("jmalbert", "Axis-aligned obb: %f", 100.0f*(float)obb_counts[2]/test));
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SPEW(("jmalbert", ""));
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SPEW(("jmalbert", "Sphere selections: %f", 100.0f*(float)sphere_betters/test));
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SPEW(("jmalbert", "OBB selections: %f", 100.0f*(float)obb_betters/test));
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SPEW(("jmalbert", ""));
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if (sphere_worsts_obb>0.0)
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SPEW(("jmalbert", "OBB to Sphere volume ratio when better: %f", obb_bests_sphere / sphere_worsts_obb));
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if (sphere_bests_obb>0.0)
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SPEW(("jmalbert", "OBB to Sphere volume ratio when worse: %f", obb_worsts_sphere / sphere_bests_obb));
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SPEW(("jmalbert", "Best OBB to Sphere volume ratio: %f", best_obb_ratio));
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SPEW(("jmalbert", "Worst OBB to Sphere volume ratio: %f", worst_obb_ratio));
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SPEW(("jmalbert", ""));
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}
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return true;
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}
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