291 lines
11 KiB
C++
291 lines
11 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://www.reactphysics3d.com *
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* Copyright (c) 2010-2015 Daniel Chappuis *
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*********************************************************************************
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* *
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* This software is provided 'as-is', without any express or implied warranty. *
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* In no event will the authors be held liable for any damages arising from the *
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* use of this software. *
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* *
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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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* *
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* 1. The origin of this software must not be misrepresented; you must not claim *
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* that you wrote the original software. If you use this software in a *
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* product, an acknowledgment in the product documentation would be *
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* appreciated but is not required. *
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* *
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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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* *
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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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********************************************************************************/
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#ifndef TEST_AABB_H
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#define TEST_AABB_H
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// Libraries
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#include "reactphysics3d.h"
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/// Reactphysics3D namespace
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namespace reactphysics3d {
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// Class TestAABB
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/**
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* Unit test for the AABB class.
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*/
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class TestAABB : public Test {
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private :
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// ---------- Atributes ---------- //
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AABB mAABB1;
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AABB mAABB2;
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AABB mAABB3;
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AABB mAABB4;
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public :
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// ---------- Methods ---------- //
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/// Constructor
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TestAABB(const std::string& name) : Test(name) {
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mAABB1.setMin(Vector3(-10, -10, -10));
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mAABB1.setMax(Vector3(10, 10, 10));
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// AABB2 intersect with AABB1
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mAABB2.setMin(Vector3(-5, 4, -30));
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mAABB2.setMax(Vector3(-2, 20, 30));
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// AABB3 contains AABB1
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mAABB3.setMin(Vector3(-25, -25, -25));
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mAABB3.setMax(Vector3(25, 25, 25));
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// AABB4 does not collide with AABB1
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mAABB4.setMin(Vector3(-40, -40, -40));
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mAABB4.setMax(Vector3(-15, -25, -12));
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}
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/// Destructor
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~TestAABB() {
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}
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/// Run the tests
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void run() {
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testBasicMethods();
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testMergeMethods();
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testIntersection();
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}
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void testBasicMethods() {
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// -------- Test constructors -------- //
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AABB aabb1;
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AABB aabb2(Vector3(-3, -5, -8), Vector3(65, -1, 56));
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Vector3 trianglePoints[] = {
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Vector3(-5, 7, 23), Vector3(45, -34, -73), Vector3(-12, 98, 76)
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};
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AABB aabb3 = AABB::createAABBForTriangle(trianglePoints);
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test(aabb1.getMin().x == 0);
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test(aabb1.getMin().y == 0);
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test(aabb1.getMin().z == 0);
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test(aabb1.getMax().x == 0);
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test(aabb1.getMax().y == 0);
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test(aabb1.getMax().z == 0);
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test(aabb2.getMin().x == -3);
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test(aabb2.getMin().y == -5);
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test(aabb2.getMin().z == -8);
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test(aabb2.getMax().x == 65);
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test(aabb2.getMax().y == -1);
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test(aabb2.getMax().z == 56);
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test(aabb3.getMin().x == -12);
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test(aabb3.getMin().y == -34);
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test(aabb3.getMin().z == -73);
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test(aabb3.getMax().x == 45);
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test(aabb3.getMax().y == 98);
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test(aabb3.getMax().z == 76);
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// -------- Test inflate() -------- //
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AABB aabbInflate(Vector3(-3, 4, 8), Vector3(-1, 6, 32));
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aabbInflate.inflate(1, 2, 3);
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test(approxEqual(aabbInflate.getMin().x, -4, 0.00001));
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test(approxEqual(aabbInflate.getMin().y, 2, 0.00001));
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test(approxEqual(aabbInflate.getMin().z, 5, 0.00001));
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test(approxEqual(aabbInflate.getMax().x, 0, 0.00001));
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test(approxEqual(aabbInflate.getMax().y, 8, 0.00001));
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test(approxEqual(aabbInflate.getMax().z, 35, 0.00001));
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// -------- Test getExtent() --------- //
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test(approxEqual(mAABB1.getExtent().x, 20));
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test(approxEqual(mAABB1.getExtent().y, 20));
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test(approxEqual(mAABB1.getExtent().z, 20));
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test(approxEqual(mAABB2.getExtent().x, 3));
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test(approxEqual(mAABB2.getExtent().y, 16));
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test(approxEqual(mAABB2.getExtent().z, 60));
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test(approxEqual(mAABB3.getExtent().x, 50));
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test(approxEqual(mAABB3.getExtent().y, 50));
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test(approxEqual(mAABB3.getExtent().z, 50));
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// -------- Test getCenter() -------- //
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test(mAABB1.getCenter().x == 0);
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test(mAABB1.getCenter().y == 0);
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test(mAABB1.getCenter().z == 0);
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test(approxEqual(mAABB2.getCenter().x, -3.5));
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test(approxEqual(mAABB2.getCenter().y, 12));
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test(approxEqual(mAABB2.getCenter().z, 0));
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// -------- Test setMin(), setMax(), getMin(), getMax() -------- //
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AABB aabb5;
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aabb5.setMin(Vector3(-12, 34, 6));
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aabb5.setMax(Vector3(-3, 56, 20));
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test(aabb5.getMin().x == -12);
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test(aabb5.getMin().y == 34);
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test(aabb5.getMin().z == 6);
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test(aabb5.getMax().x == -3);
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test(aabb5.getMax().y == 56);
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test(aabb5.getMax().z == 20);
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// -------- Test assignment operator -------- //
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AABB aabb6;
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aabb6 = aabb2;
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test(aabb6.getMin().x == -3);
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test(aabb6.getMin().y == -5);
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test(aabb6.getMin().z == -8);
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test(aabb6.getMax().x == 65);
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test(aabb6.getMax().y == -1);
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test(aabb6.getMax().z == 56);
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// -------- Test getVolume() -------- //
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test(approxEqual(mAABB1.getVolume(), 8000));
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test(approxEqual(mAABB2.getVolume(), 2880));
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}
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void testMergeMethods() {
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AABB aabb1(Vector3(-45, 7, -2), Vector3(23, 8, 1));
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AABB aabb2(Vector3(-15, 6, 23), Vector3(-5, 9, 45));
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// -------- Test mergeTwoAABBs() -------- //
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AABB aabb3;
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aabb3.mergeTwoAABBs(aabb1, mAABB1);
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test(aabb3.getMin().x == -45);
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test(aabb3.getMin().y == -10);
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test(aabb3.getMin().z == -10);
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test(aabb3.getMax().x == 23);
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test(aabb3.getMax().y == 10);
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test(aabb3.getMax().z == 10);
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AABB aabb4;
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aabb4.mergeTwoAABBs(aabb1, aabb2);
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test(aabb4.getMin().x == -45);
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test(aabb4.getMin().y == 6);
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test(aabb4.getMin().z == -2);
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test(aabb4.getMax().x == 23);
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test(aabb4.getMax().y == 9);
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test(aabb4.getMax().z == 45);
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// -------- Test mergeWithAABB() -------- //
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aabb1.mergeWithAABB(mAABB1);
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test(aabb1.getMin().x == -45);
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test(aabb1.getMin().y == -10);
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test(aabb1.getMin().z == -10);
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test(aabb1.getMax().x == 23);
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test(aabb1.getMax().y == 10);
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test(aabb1.getMax().z == 10);
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aabb2.mergeWithAABB(mAABB1);
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test(aabb2.getMin().x == -15);
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test(aabb2.getMin().y == -10);
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test(aabb2.getMin().z == -10);
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test(aabb2.getMax().x == 10);
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test(aabb2.getMax().y == 10);
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test(aabb2.getMax().z == 45);
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}
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void testIntersection() {
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// -------- Test contains(AABB) -------- //
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test(!mAABB1.contains(mAABB2));
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test(mAABB3.contains(mAABB1));
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test(!mAABB1.contains(mAABB3));
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test(!mAABB1.contains(mAABB4));
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test(!mAABB4.contains(mAABB1));
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// -------- Test contains(Vector3) -------- //
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test(mAABB1.contains(Vector3(0, 0, 0)));
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test(mAABB1.contains(Vector3(-5, 6, 9)));
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test(mAABB1.contains(Vector3(-9, -4, -9)));
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test(mAABB1.contains(Vector3(9, 4, 7)));
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test(!mAABB1.contains(Vector3(-11, -4, -9)));
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test(!mAABB1.contains(Vector3(1, 12, -9)));
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test(!mAABB1.contains(Vector3(1, 8, -13)));
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test(!mAABB1.contains(Vector3(-14, 82, -13)));
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// -------- Test testCollision() -------- //
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test(mAABB1.testCollision(mAABB2));
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test(mAABB2.testCollision(mAABB1));
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test(mAABB1.testCollision(mAABB3));
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test(mAABB3.testCollision(mAABB1));
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test(!mAABB1.testCollision(mAABB4));
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test(!mAABB4.testCollision(mAABB1));
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// -------- Test testCollisionTriangleAABB() -------- //
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AABB aabb(Vector3(100, 100, 100), Vector3(200, 200, 200));
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Vector3 trianglePoints[] = {
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Vector3(-2, 4, 6), Vector3(20, -34, -73), Vector3(-12, 98, 76)
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};
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test(mAABB1.testCollisionTriangleAABB(trianglePoints));
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test(!aabb.testCollisionTriangleAABB(trianglePoints));
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// -------- Test testRayIntersect() -------- //
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Ray ray1(Vector3(-20, 4, -7), Vector3(20, 4, -7));
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Ray ray2(Vector3(-20, 11, -7), Vector3(20, 11, -7));
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Ray ray3(Vector3(0, 15, 0), Vector3(0, -15, 0));
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Ray ray4(Vector3(0, -15, 0), Vector3(0, 15, 0));
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Ray ray5(Vector3(-3, 4, 8), Vector3(-7, 9, 4));
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Ray ray6(Vector3(-4, 6, -100), Vector3(-4, 6, -9));
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Ray ray7(Vector3(-4, 6, -100), Vector3(-4, 6, -11), 0.6);
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Ray ray8(Vector3(-403, -432, -100), Vector3(134, 643, 23));
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test(mAABB1.testRayIntersect(ray1));
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test(!mAABB1.testRayIntersect(ray2));
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test(mAABB1.testRayIntersect(ray3));
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test(mAABB1.testRayIntersect(ray4));
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test(mAABB1.testRayIntersect(ray5));
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test(mAABB1.testRayIntersect(ray6));
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test(!mAABB1.testRayIntersect(ray7));
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test(!mAABB1.testRayIntersect(ray8));
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}
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};
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}
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#endif
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