kicad/3d-viewer/3d_rendering/test_cases.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
* Copyright (C) 2015-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file test_cases.cpp
* @brief Implements a test cases to test individual implementations classes
* @brief it run only once and only in debug build
*/
#include "raytracing/frustum.h"
#include "raytracing/shapes2D/bbox_2d.h"
#include "raytracing/shapes2D/filled_circle_2d.h"
#include "raytracing/shapes2D/polygon_2d.h"
#include "raytracing/shapes2D/round_segment_2d.h"
#include "raytracing/shapes3D/bbox_3d.h"
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#include <wx/debug.h>
//#ifdef DEBUG
#if 0
static bool s_Run_Test_Cases = true;
void Run_3d_viewer_test_cases()
{
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if( s_Run_Test_Cases == false )
return;
s_Run_Test_Cases = true;
// Test BBOX_2D
BBOX_2D bbox2d_A;
BBOX_2D bbox2d_B;
// Test a not initialized box conditions
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bbox2d_A.Set( SFVEC2F( 1.0f, -1.0f ), SFVEC2F( -1.0f, 1.0f ) );
wxASSERT( bbox2d_A.IsInitialized() == true );
wxASSERT( bbox2d_A.Area() == 4.0f );
wxASSERT( bbox2d_A.GetCenter() == SFVEC2F( 0.0f, 0.0f ) );
wxASSERT( bbox2d_A.GetExtent() == SFVEC2F( 2.0f, 2.0f ) );
wxASSERT( bbox2d_A.Inside( SFVEC2F( 0.0f, 0.0f ) ) == true );
wxASSERT( bbox2d_A.Max() == SFVEC2F( 1.0f, 1.0f ) );
wxASSERT( bbox2d_A.Min() == SFVEC2F(-1.0f,-1.0f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_A ) == true );
wxASSERT( bbox2d_A.MaxDimension() == 0 );
wxASSERT( bbox2d_A.Perimeter() == 8.0f );
bbox2d_A.Scale( 2.0f );
wxASSERT( bbox2d_A.IsInitialized() == true );
wxASSERT( bbox2d_A.Area() == 16.0f );
wxASSERT( bbox2d_A.GetCenter() == SFVEC2F( 0.0f, 0.0f ) );
wxASSERT( bbox2d_A.GetExtent() == SFVEC2F( 4.0f, 4.0f ) );
wxASSERT( bbox2d_A.Inside( SFVEC2F( 0.0f, 0.0f ) ) == true );
wxASSERT( bbox2d_A.Max() == SFVEC2F( 2.0f, 2.0f ) );
wxASSERT( bbox2d_A.Min() == SFVEC2F(-2.0f,-2.0f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_A ) == true );
wxASSERT( bbox2d_A.MaxDimension() == 0 );
wxASSERT( bbox2d_A.Perimeter() == 16.0f );
bbox2d_B.Set( SFVEC2F(2.1f, 2.0f), SFVEC2F( 3.0f, 3.0f) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == false );
bbox2d_B.Set( SFVEC2F(2.0f, 2.1f), SFVEC2F( 3.0f, 3.0f) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == false );
bbox2d_B.Set( SFVEC2F(2.1f, 2.1f), SFVEC2F( 3.0f, 3.0f) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == false );
bbox2d_B.Set( SFVEC2F(2.0f, 2.0f), SFVEC2F( 3.0f, 3.0f) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == true );
bbox2d_A.Union( bbox2d_B );
wxASSERT( bbox2d_A.IsInitialized() == true );
wxASSERT( bbox2d_A.Area() == 25.0f );
wxASSERT( bbox2d_A.GetCenter() == SFVEC2F( 0.5f, 0.5f ) );
wxASSERT( bbox2d_A.GetExtent() == SFVEC2F( 5.0f, 5.0f ) );
wxASSERT( bbox2d_A.Inside( SFVEC2F( 0.0f, 0.0f ) ) == true );
wxASSERT( bbox2d_A.Inside( SFVEC2F( 3.0f, 3.0f ) ) == true );
wxASSERT( bbox2d_A.Inside( SFVEC2F(-2.0f,-2.0f ) ) == true );
wxASSERT( bbox2d_A.Max() == SFVEC2F( 3.0f, 3.0f ) );
wxASSERT( bbox2d_A.Min() == SFVEC2F(-2.0f,-2.0f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == true );
wxASSERT( bbox2d_A.Intersects( bbox2d_A ) == true );
wxASSERT( bbox2d_A.MaxDimension() == 0 );
wxASSERT( bbox2d_A.Perimeter() == 20.0f );
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bbox2d_A.Set( SFVEC2F( -1.0f, -1.0f ), SFVEC2F( 1.0f, 1.0f ) );
bbox2d_B.Set( SFVEC2F( -2.0f, -2.0f ), SFVEC2F( 2.0f, 2.0f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == true );
wxASSERT( bbox2d_B.Intersects( bbox2d_A ) == true );
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bbox2d_B.Set( SFVEC2F( 1.0f, 1.0f ), SFVEC2F( 1.0f, 1.0f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == true );
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bbox2d_B.Set( SFVEC2F( 1.1f, 1.1f ), SFVEC2F( 2.0f, 2.0f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == false );
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bbox2d_B.Set( SFVEC2F(-0.5f, -0.5f ), SFVEC2F( 0.5f, 0.5f ) );
wxASSERT( bbox2d_A.Intersects( bbox2d_B ) == true );
// Test FILLED_CIRCLE_2D
FILLED_CIRCLE_2D filledCircle2d( SFVEC2F( 2.0f, 2.0f ), 1.0f );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 2.0f, 2.0f ) ) == true );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 2.0f, 3.0f ) ) == true );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 3.0f, 2.0f ) ) == true );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 1.0f, 2.0f ) ) == true );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 2.0f, 1.0f ) ) == true );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 2.8f, 2.8f ) ) == false );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 2.6f, 2.6f ) ) == true );
wxASSERT( filledCircle2d.IsPointInside( SFVEC2F( 1.2f, 1.2f ) ) == false );
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bbox2d_B.Set( SFVEC2F( 0.0f, 0.0f ), SFVEC2F( 4.0f, 4.0f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
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bbox2d_B.Set( SFVEC2F( 1.5f, 1.5f ), SFVEC2F( 2.5f, 2.5f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
// A box that does not intersect the sphere but still intersect the bbox of the sphere
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bbox2d_B.Set( SFVEC2F( 0.0f, 0.0f ), SFVEC2F( 1.2f, 1.2f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == false );
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bbox2d_B.Set( SFVEC2F(-1.0f, -1.0f ), SFVEC2F( 0.5f, 0.5f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == false );
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bbox2d_B.Set( SFVEC2F( 0.0f, 0.0f ), SFVEC2F( 2.0f, 2.0f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
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bbox2d_B.Set( SFVEC2F( 0.0f, 0.0f ), SFVEC2F( 2.0f, 4.0f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
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bbox2d_B.Set( SFVEC2F( 2.0f, 0.0f ), SFVEC2F( 4.0f, 4.0f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
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bbox2d_B.Set( SFVEC2F( 0.0f, 2.0f ), SFVEC2F( 4.0f, 4.0f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
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bbox2d_B.Set( SFVEC2F( 0.0f, 0.0f ), SFVEC2F( 4.0f, 2.0f ) );
wxASSERT( filledCircle2d.Intersects( bbox2d_B ) == true );
// Test ROUND_SEGMENT_2D
ROUND_SEGMENT_2D roundSegment2d( SFVEC2F( -1.0f, 0.0f ), SFVEC2F( 1.0f, 0.0f ), 2.0f );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 0.0f, 0.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 1.0f, 0.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F(-1.0f, 0.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F(-2.0f, 0.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 2.0f, 0.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 0.0f, 1.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 0.0f,-1.0f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 0.0f, 1.1f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 0.0f,-1.1f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 2.1f, 0.0f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 2.1f, 0.0f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 1.8f, 0.8f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 1.8f,-0.8f ) ) == false );
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wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( -1.8f, 0.8f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( -1.8f,-0.8f ) ) == false );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 1.6f, 0.6f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( 1.6f,-0.6f ) ) == true );
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wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( -1.6f, 0.6f ) ) == true );
wxASSERT( roundSegment2d.IsPointInside( SFVEC2F( -1.6f,-0.6f ) ) == true );
bbox2d_A.Set( SFVEC2F(-2.0f,-1.0f), SFVEC2F( 2.0f, 1.0f) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == true );
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bbox2d_A.Set( SFVEC2F(-2.1f,-1.1f ), SFVEC2F( 2.1f, 1.1f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == true );
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bbox2d_A.Set( SFVEC2F( -1.9f,-0.9f ), SFVEC2F( 1.9f, 0.9f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == true );
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bbox2d_A.Set( SFVEC2F( -1.0f,-1.0f ), SFVEC2F( 1.0f, 1.0f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == true );
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bbox2d_A.Set( SFVEC2F( -1.0f,-0.5f ), SFVEC2F( 1.0f, 0.5f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == true );
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bbox2d_A.Set( SFVEC2F( -4.0f,-0.5f ), SFVEC2F( -3.0f, 0.5f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == false );
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bbox2d_A.Set( SFVEC2F( 1.8f, 0.8f ), SFVEC2F( 2.0f, 1.0f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == false );
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bbox2d_A.Set( SFVEC2F( -2.0f, 0.8f ), SFVEC2F( -1.8f, 1.0f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == false );
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bbox2d_A.Set( SFVEC2F( -2.0f, -1.0f ), SFVEC2F( -1.8f, -0.8f ) );
wxASSERT( roundSegment2d.Intersects( bbox2d_A ) == false );
// Test CPOLYGON2D
Polygon2d_TestModule();
#if 0
// Test Frustum
{
FRUSTUM frustum;
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SFVEC3F ori = SFVEC3F( 0.0, 0.0, 0.0 );
float z = 10.0;
const RAY topLeft( ori, glm::normalize( ori - SFVEC3F(+1.0,+1.0, z) ) );
const RAY topRight( ori, glm::normalize( ori - SFVEC3F(-1.0,+1.0, z) ) );
const RAY bottomLeft( ori, glm::normalize( ori - SFVEC3F(+1.0,-1.0, z) ) );
const RAY bottomRight( ori, glm::normalize( ori - SFVEC3F(-1.0,-1.0, z) ) );
frustum.GenerateFrustum( topLeft, topRight, bottomLeft, bottomRight );
BBOX_3D bbox3d;
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bbox3d.Set( SFVEC3F( -1.0f, -1.0f, z ), SFVEC3F( +1.0f, +1.0f, z + 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( -1.0f, -1.0f, z + z ), SFVEC3F( +1.0f, +1.0f, z + z + 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( -1.0f, -1.0f, 1.0f ), SFVEC3F( 0.0f, 0.0f, 2.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( -1.0f, -1.0f, -z - 1.0f ), SFVEC3F( +1.0f, +1.0f, -z ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
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bbox3d.Set( SFVEC3F( z - 1.0f, z - 1.0f, 0.0 ), SFVEC3F( z + 1.0f, z + 1.0f, 1.0 ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
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bbox3d.Set( SFVEC3F( -z, -z, 0.0), SFVEC3F( -1.0f, -1.0f, 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
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bbox3d.Set( SFVEC3F( -z, -z, -1.0f ), SFVEC3F( +z, +z, 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( -z, -z, z-1 ), SFVEC3F( +z, +z, z + 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( 0.5, 0.5, 0.0 ), SFVEC3F( 2.0, 2.0, z ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( 1.1, 1.0, 0.0 ), SFVEC3F( 2.0, 2.0, z ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
}
{
FRUSTUM frustum;
float z = 10.0;
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SFVEC3F ori = SFVEC3F( 0.0, 0.0, z );
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const RAY topLeft( ori, glm::normalize( SFVEC3F( -1.0, 1.0, 0.0 ) - ori ) );
const RAY topRight( ori, glm::normalize( SFVEC3F( +1.0, 1.0, 0.0 ) - ori ) );
const RAY bottomLeft( ori, glm::normalize( SFVEC3F( -1.0, -1.0, 0.0 ) - ori ) );
const RAY bottomRight( ori, glm::normalize( SFVEC3F( +1.0, -1.0, 0.0 ) - ori ) );
frustum.GenerateFrustum( topLeft, topRight, bottomLeft, bottomRight );
BBOX_3D bbox3d;
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bbox3d.Set( SFVEC3F( -1.0f, -1.0f, -z), SFVEC3F( +1.0f, +1.0f, -z + 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( -1.0f, -1.0f, -( z + z ) ), SFVEC3F( +1.0f, +1.0f, -( z + z + 1.0f ) ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F(- 1.0f, -1.0f, 1.0f ), SFVEC3F( 0.0f, 0.0f, 2.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
// !TODO: The frustum alg does not exclude all the situations
//bbox3d.Set( SFVEC3F(-1.0f, -1.0f, z+1.0f), SFVEC3F(+1.0f,+1.0f, +z+2.0f) );
//wxASSERT( frustum.Intersect( bbox3d ) == false );
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bbox3d.Set( SFVEC3F( z - 1.0f, z - 1.0f, 0.0), SFVEC3F( z + 1.0f, z + 1.0f, 1.0 ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
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bbox3d.Set( SFVEC3F( -z, -z, 0.0 ), SFVEC3F( -1.0f,-1.0f, 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
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bbox3d.Set( SFVEC3F( -z, -z, -1.0f ), SFVEC3F( +z, +z, 1.0f ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( -z, -z, -( z - 1 ) ), SFVEC3F( +z, +z, -( z + 1.0f ) ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( 0.5, 0.5, 0.0 ), SFVEC3F( 2.0, 2.0, z ) );
wxASSERT( frustum.Intersect( bbox3d ) == true );
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bbox3d.Set( SFVEC3F( 1.1, 1.0, 0.0 ), SFVEC3F( 2.0, 2.0, z ) );
wxASSERT( frustum.Intersect( bbox3d ) == false );
}
#endif
}
#endif