//----------------------------------------------------------------------------// // // // ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation // // and distributed under the MIT License (MIT). // // // // Copyright (c) Guillaume Blanc // // // // Permission is hereby granted, free of charge, to any person obtaining a // // copy of this software and associated documentation files (the "Software"), // // to deal in the Software without restriction, including without limitation // // the rights to use, copy, modify, merge, publish, distribute, sublicense, // // and/or sell copies of the Software, and to permit persons to whom the // // Software is furnished to do so, subject to the following conditions: // // // // The above copyright notice and this permission notice shall be included in // // all copies or substantial portions of the Software. // // // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // // DEALINGS IN THE SOFTWARE. // // // //----------------------------------------------------------------------------// #include "ozz/base/maths/box.h" #include "ozz/base/maths/simd_math.h" #include "gtest/gtest.h" #include "ozz/base/gtest_helper.h" #include "ozz/base/maths/gtest_math_helper.h" TEST(BoxValidity, ozz_math) { EXPECT_FALSE(ozz::math::Box().is_valid()); EXPECT_FALSE(ozz::math::Box(ozz::math::Float3(0.f, 1.f, 2.f), ozz::math::Float3(0.f, -1.f, 2.f)) .is_valid()); EXPECT_TRUE(ozz::math::Box(ozz::math::Float3(0.f, -1.f, 2.f), ozz::math::Float3(0.f, 1.f, 2.f)) .is_valid()); EXPECT_TRUE(ozz::math::Box(ozz::math::Float3(0.f, 1.f, 2.f), ozz::math::Float3(0.f, 1.f, 2.f)) .is_valid()); } TEST(BoxInside, ozz_math) { const ozz::math::Box invalid(ozz::math::Float3(0.f, 1.f, 2.f), ozz::math::Float3(0.f, -1.f, 2.f)); EXPECT_FALSE(invalid.is_valid()); EXPECT_FALSE(invalid.is_inside(ozz::math::Float3(0.f, 1.f, 2.f))); EXPECT_FALSE(invalid.is_inside(ozz::math::Float3(0.f, -.5f, 2.f))); EXPECT_FALSE(invalid.is_inside(ozz::math::Float3(-1.f, -2.f, -3.f))); const ozz::math::Box valid(ozz::math::Float3(-1.f, -2.f, -3.f), ozz::math::Float3(1.f, 2.f, 3.f)); EXPECT_TRUE(valid.is_valid()); EXPECT_FALSE(valid.is_inside(ozz::math::Float3(0.f, -3.f, 0.f))); EXPECT_FALSE(valid.is_inside(ozz::math::Float3(0.f, 3.f, 0.f))); EXPECT_TRUE(valid.is_inside(ozz::math::Float3(-1.f, -2.f, -3.f))); EXPECT_TRUE(valid.is_inside(ozz::math::Float3(0.f, 0.f, 0.f))); } TEST(BoxMerge, ozz_math) { const ozz::math::Box invalid1(ozz::math::Float3(0.f, 1.f, 2.f), ozz::math::Float3(0.f, -1.f, 2.f)); EXPECT_FALSE(invalid1.is_valid()); const ozz::math::Box invalid2(ozz::math::Float3(0.f, -1.f, 2.f), ozz::math::Float3(0.f, 1.f, -2.f)); EXPECT_FALSE(invalid2.is_valid()); const ozz::math::Box valid1(ozz::math::Float3(-1.f, -2.f, -3.f), ozz::math::Float3(1.f, 2.f, 3.f)); EXPECT_TRUE(valid1.is_valid()); const ozz::math::Box valid2(ozz::math::Float3(0.f, 5.f, -8.f), ozz::math::Float3(1.f, 6.f, 0.f)); EXPECT_TRUE(valid2.is_valid()); // Both boxes are invalid. EXPECT_FALSE(Merge(invalid1, invalid2).is_valid()); // One box is invalid. EXPECT_TRUE(Merge(invalid1, valid1).is_valid()); EXPECT_TRUE(Merge(valid1, invalid1).is_valid()); // Both boxes are valid. const ozz::math::Box merge = Merge(valid1, valid2); EXPECT_FLOAT3_EQ(merge.min, -1.f, -2.f, -8.f); EXPECT_FLOAT3_EQ(merge.max, 1.f, 6.f, 3.f); } TEST(BoxTransform, ozz_math) { const ozz::math::Box a(ozz::math::Float3(1.f, 2.f, 3.f), ozz::math::Float3(4.f, 5.f, 6.f)); const ozz::math::Box ia = TransformBox(ozz::math::Float4x4::identity(), a); EXPECT_FLOAT3_EQ(ia.min, 1.f, 2.f, 3.f); EXPECT_FLOAT3_EQ(ia.max, 4.f, 5.f, 6.f); const ozz::math::Box ta = TransformBox(ozz::math::Float4x4::Translation( ozz::math::simd_float4::Load(2.f, -2.f, 3.f, 0.f)), a); EXPECT_FLOAT3_EQ(ta.min, 3.f, 0.f, 6.f); EXPECT_FLOAT3_EQ(ta.max, 6.f, 3.f, 9.f); const ozz::math::Box ra = TransformBox(ozz::math::Float4x4::FromAxisAngle( ozz::math::simd_float4::y_axis(), ozz::math::simd_float4::LoadX(ozz::math::kPi)), a); EXPECT_FLOAT3_EQ(ra.min, -4.f, 2.f, -6.f); EXPECT_FLOAT3_EQ(ra.max, -1.f, 5.f, -3.f); } TEST(BoxBuild, ozz_math) { const struct { ozz::math::Float3 value; char pad; } points[] = { {ozz::math::Float3(0.f, 0.f, 0.f), 0}, {ozz::math::Float3(1.f, -1.f, 0.f), 0}, {ozz::math::Float3(0.f, 0.f, 46.f), 0}, {ozz::math::Float3(-27.f, 0.f, 0.f), 0}, {ozz::math::Float3(0.f, 58.f, 0.f), 0}, }; // Builds from a single point const ozz::math::Box single_valid(points[1].value); EXPECT_TRUE(single_valid.is_valid()); EXPECT_FLOAT3_EQ(single_valid.min, 1.f, -1.f, 0.f); EXPECT_FLOAT3_EQ(single_valid.max, 1.f, -1.f, 0.f); // Builds from multiple points EXPECT_ASSERTION(ozz::math::Box(&points->value, 1, OZZ_ARRAY_SIZE(points)), "_stride must be greater or equal to sizeof\\(Float3\\)"); const ozz::math::Box multi_invalid(&points->value, sizeof(points[0]), 0); EXPECT_FALSE(multi_invalid.is_valid()); const ozz::math::Box multi_valid(&points->value, sizeof(points[0]), OZZ_ARRAY_SIZE(points)); EXPECT_TRUE(multi_valid.is_valid()); EXPECT_FLOAT3_EQ(multi_valid.min, -27.f, -1.f, 0.f); EXPECT_FLOAT3_EQ(multi_valid.max, 1.f, 58.f, 46.f); }