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