@ -22,6 +22,7 @@
# include <AzCore/std/limits.h>
# include <AzCore/Component/Entity.h>
# include <AZTestShared/Math/MathTestHelpers.h>
# include <AzTest/AzTest.h>
# include <Common/RPITestFixture.h>
@ -568,7 +569,7 @@ namespace UnitTest
ValidateModelAsset ( serializedModelAsset . Get ( ) , expectedModel ) ;
}
// Tests that if we try to set the name on a Model
// Tests that if we try to set the name on a Model
// before calling Begin that it will fail.
TEST_F ( ModelTests , SetNameNoBegin )
{
@ -581,7 +582,7 @@ namespace UnitTest
creator . SetName ( " TestName " ) ;
}
// Tests that if we try to add a ModelLod to a Model
// Tests that if we try to add a ModelLod to a Model
// before calling Begin that it will fail.
TEST_F ( ModelTests , AddLodNoBegin )
{
@ -598,7 +599,7 @@ namespace UnitTest
creator . AddLodAsset ( AZStd : : move ( lod ) ) ;
}
// Tests that if we create a ModelAsset without adding
// Tests that if we create a ModelAsset without adding
// any ModelLodAssets that the creator will properly fail to produce an asset.
TEST_F ( ModelTests , CreateModelNoLods )
{
@ -618,8 +619,8 @@ namespace UnitTest
ASSERT_EQ ( asset . Get ( ) , nullptr ) ;
}
// Tests that if we call SetLodIndexBuffer without calling
// Begin first on the ModelLodAssetCreator that it
// Tests that if we call SetLodIndexBuffer without calling
// Begin first on the ModelLodAssetCreator that it
// fails as expected.
TEST_F ( ModelTests , SetLodIndexBufferNoBegin )
{
@ -633,8 +634,8 @@ namespace UnitTest
creator . SetLodIndexBuffer ( validIndexBuffer ) ;
}
// Tests that if we call AddLodStreamBuffer without calling
// Begin first on the ModelLodAssetCreator that it
// Tests that if we call AddLodStreamBuffer without calling
// Begin first on the ModelLodAssetCreator that it
// fails as expected.
TEST_F ( ModelTests , AddLodStreamBufferNoBegin )
{
@ -648,8 +649,8 @@ namespace UnitTest
creator . AddLodStreamBuffer ( validStreamBuffer ) ;
}
// Tests that if we call BeginMesh without calling
// Begin first on the ModelLodAssetCreator that it
// Tests that if we call BeginMesh without calling
// Begin first on the ModelLodAssetCreator that it
// fails as expected.
TEST_F ( ModelTests , BeginMeshNoBegin )
{
@ -662,13 +663,13 @@ namespace UnitTest
}
// Tests that if we try to set an AABB on a mesh
// without calling Begin or BeginMesh that it fails
// without calling Begin or BeginMesh that it fails
// as expected. Also tests the case that Begin *is*
// called but BeginMesh is not.
TEST_F ( ModelTests , SetAabbNoBeginNoBeginMesh )
{
using namespace AZ ;
RPI : : ModelLodAssetCreator creator ;
AZ : : Aabb aabb = AZ : : Aabb : : CreateCenterRadius ( AZ : : Vector3 : : CreateZero ( ) , 1.0f ) ;
@ -691,13 +692,13 @@ namespace UnitTest
}
// Tests that if we try to set the material id on a mesh
// without calling Begin or BeginMesh that it fails
// without calling Begin or BeginMesh that it fails
// as expected. Also tests the case that Begin *is*
// called but BeginMesh is not.
TEST_F ( ModelTests , SetMaterialIdNoBeginNoBeginMesh )
{
using namespace AZ ;
RPI : : ModelLodAssetCreator creator ;
{
@ -715,7 +716,7 @@ namespace UnitTest
}
// Tests that if we try to set the index buffer on a mesh
// without calling Begin or BeginMesh that it fails
// without calling Begin or BeginMesh that it fails
// as expected. Also tests the case that Begin *is*
// called but BeginMesh is not.
TEST_F ( ModelTests , SetIndexBufferNoBeginNoBeginMesh )
@ -751,7 +752,7 @@ namespace UnitTest
}
// Tests that if we try to add a stream buffer on a mesh
// without calling Begin or BeginMesh that it fails
// without calling Begin or BeginMesh that it fails
// as expected. Also tests the case that Begin *is*
// called but BeginMesh is not.
TEST_F ( ModelTests , AddStreamBufferNoBeginNoBeginMesh )
@ -785,7 +786,7 @@ namespace UnitTest
}
}
// Tests that if we try to end the creation of a
// Tests that if we try to end the creation of a
// ModelLodAsset that has no meshes that it fails
// as expected.
TEST_F ( ModelTests , CreateLodNoMeshes )
@ -804,7 +805,7 @@ namespace UnitTest
ASSERT_EQ ( asset . Get ( ) , nullptr ) ;
}
// Tests that validation still fails when expected
// Tests that validation still fails when expected
// even after producing a valid mesh due to a missing
// BeginMesh call
TEST_F ( ModelTests , SecondMeshFailureNoBeginMesh )
@ -862,8 +863,8 @@ namespace UnitTest
ASSERT_EQ ( asset - > GetMeshes ( ) . size ( ) , 1 ) ;
}
// Tests that validation still fails when expected
// even after producing a valid mesh due to SetMeshX
// Tests that validation still fails when expected
// even after producing a valid mesh due to SetMeshX
// calls coming after End
TEST_F ( ModelTests , SecondMeshAfterEnd )
{
@ -907,7 +908,7 @@ namespace UnitTest
AZ : : Aabb aabb = AZ : : Aabb : : CreateCenterRadius ( Vector3 : : CreateZero ( ) , 1.0f ) ;
ErrorMessageFinder messageFinder ( " Begin() was not called " , 6) ;
creator . BeginMesh ( ) ;
creator . SetMeshAabb ( AZStd : : move ( aabb ) ) ;
creator . SetMeshMaterialAsset ( m_materialAsset ) ;
@ -955,6 +956,20 @@ namespace UnitTest
EXPECT_EQ ( uvStreamTangentBitmask . GetFullTangentBitmask ( ) , 0x70000F51 ) ;
}
//
// +----+
// / /|
// +----+ |
// | | +
// | |/
// +----+
//
static constexpr AZStd : : array CubePositions = { - 1.0f , 1.0f , 1.0f , 1.0f , 1.0f , 1.0f , - 1.0f , - 1.0f , 1.0f , 1.0f , - 1.0f , 1.0f ,
- 1.0f , 1.0f , - 1.0f , 1.0f , 1.0f , - 1.0f , - 1.0f , - 1.0f , - 1.0f , 1.0f , - 1.0f , - 1.0f } ;
static constexpr AZStd : : array CubeIndices = {
uint32_t { 0 } , 2 , 1 , 1 , 2 , 3 , 4 , 5 , 6 , 5 , 7 , 6 , 0 , 4 , 2 , 4 , 6 , 2 , 1 , 3 , 5 , 5 , 3 , 7 , 0 , 1 , 4 , 4 , 1 , 5 , 2 , 6 , 3 , 6 , 7 , 3 ,
} ;
// This class creates a Model with one LOD, whose mesh contains 2 planes. Plane 1 is in the XY plane at Z=-0.5, and
// plane 2 is in the XY plane at Z=0.5. The two planes each have 9 quads which have been triangulated. It only has
// a position and index buffer.
@ -972,52 +987,75 @@ namespace UnitTest
// *---*---*---*
/ / \ / \ / \ / \
// *---*---*---*
static constexpr AZStd : : array TwoSeparatedPlanesPositions {
- 1.0f , - 0.333f , - 0.5f , - 0.333f , - 1.0f , - 0.5f , - 0.333f , - 0.333f , - 0.5f , 0.333f , - 0.333f , - 0.5f , 1.0f , - 1.0f , - 0.5f ,
1.0f , - 0.333f , - 0.5f , 0.333f , - 1.0f , - 0.5f , 0.333f , 1.0f , - 0.5f , 1.0f , 0.333f , - 0.5f , 1.0f , 1.0f , - 0.5f ,
0.333f , 0.333f , - 0.5f , - 0.333f , 1.0f , - 0.5f , - 0.333f , 0.333f , - 0.5f , - 1.0f , 1.0f , - 0.5f , - 1.0f , 0.333f , - 0.5f ,
- 1.0f , - 0.333f , 0.5f , - 0.333f , - 1.0f , 0.5f , - 0.333f , - 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f , 1.0f , - 1.0f , 0.5f ,
1.0f , - 0.333f , 0.5f , - 0.333f , - 0.333f , 0.5f , 0.333f , - 1.0f , 0.5f , 0.333f , - 0.333f , 0.5f , 0.333f , 1.0f , 0.5f ,
1.0f , 0.333f , 0.5f , 1.0f , 1.0f , 0.5f , 0.333f , 0.333f , 0.5f , 1.0f , - 0.333f , 0.5f , - 0.333f , 1.0f , 0.5f ,
- 0.333f , 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f , 0.333f , 0.333f , 0.5f , - 1.0f , 1.0f , 0.5f , - 0.333f , 0.333f , 0.5f ,
- 1.0f , 0.333f , 0.5f , - 1.0f , - 1.0f , - 0.5f , - 1.0f , - 1.0f , 0.5f , 0.333f , - 0.333f , 0.5f , 0.333f , - 1.0f , 0.5f ,
1.0f , - 1.0f , 0.5f , 0.333f , - 1.0f , 0.5f , 0.333f , 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f , 1.0f , - 0.333f , 0.5f ,
- 0.333f , 0.333f , 0.5f , - 0.333f , - 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f ,
} ;
// clang-format off
static constexpr AZStd : : array TwoSeparatedPlanesIndices {
uint32_t { 0 } , 1 , 2 , 3 , 4 , 5 , 2 , 6 , 3 , 7 , 8 , 9 , 10 , 5 , 8 , 11 , 10 , 7 , 12 , 3 , 10 , 13 , 12 , 11 , 14 , 2 , 12 ,
15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 25 , 29 , 27 , 24 , 30 , 31 , 32 , 33 , 34 , 29 , 35 , 17 , 34 ,
0 , 36 , 1 , 3 , 6 , 4 , 2 , 1 , 6 , 7 , 10 , 8 , 10 , 3 , 5 , 11 , 12 , 10 , 12 , 2 , 3 , 13 , 14 , 12 , 14 , 0 , 2 ,
15 , 37 , 16 , 38 , 39 , 40 , 17 , 16 , 41 , 24 , 27 , 25 , 42 , 43 , 44 , 29 , 34 , 27 , 45 , 46 , 47 , 33 , 35 , 34 , 35 , 15 , 17 ,
} ;
// clang-format on
// Ensure that the index buffer references all the positions in the position buffer
static constexpr inline auto minmaxElement = AZStd : : minmax_element ( begin ( TwoSeparatedPlanesIndices ) , end ( TwoSeparatedPlanesIndices ) ) ;
static_assert ( * minmaxElement . second = = ( TwoSeparatedPlanesPositions . size ( ) / 3 ) - 1 ) ;
template < class x > class TD ;
class TwoSeparatedPlanesMesh
class T est Mesh
{
public :
TwoSeparatedPlanesMesh ( )
T estMesh( const float * positions , size_t positionCount , const uint32_t * indices , size_t indicesCount )
{
using namespace AZ ;
RPI : : ModelLodAssetCreator lodCreator ;
lodCreator . Begin ( Data : : AssetId ( AZ : : Uuid : : CreateRandom ( ) ) ) ;
AZ : : RPI : : ModelLodAssetCreator lodCreator ;
lodCreator . Begin ( AZ : : Data : : AssetId ( AZ : : Uuid : : CreateRandom ( ) ) ) ;
lodCreator . BeginMesh ( ) ;
lodCreator . SetMeshAabb ( Aabb : : CreateFromMinMax ( { - 1.0f , - 1.0f , - 0.5f } , { 1.0f , 1.0f , 0.5f } ) ) ;
lodCreator . SetMeshAabb ( A Z: : A abb: : CreateFromMinMax ( { - 1.0f , - 1.0f , - 0.5f } , { 1.0f , 1.0f , 0.5f } ) ) ;
lodCreator . SetMeshMaterialAsset (
AZ : : Data : : Asset < AZ : : RPI : : MaterialAsset > ( AZ : : Data : : AssetId ( AZ : : Uuid : : CreateRandom ( ) , 0 ) ,
AZ : : AzTypeInfo < AZ : : RPI : : MaterialAsset > : : Uuid ( ) , " " )
) ;
{
AZ : : Data : : Asset < AZ : : RPI : : BufferAsset > indexBuffer = BuildTestBuffer ( s_indexes . size ( ) , sizeof ( uint32_t ) ) ;
AZStd : : copy ( s_indexes . begin ( ) , s_indexes . end ( ) , reinterpret_cast < uint32_t * > ( const_cast < uint8_t * > ( indexBuffer - > GetBuffer ( ) . data ( ) ) ) ) ;
AZ : : Data : : Asset < AZ : : RPI : : BufferAsset > indexBuffer = BuildTestBuffer ( indicesCount , sizeof ( uint32_t ) ) ;
AZStd : : copy ( indices, indices + indicesCount , reinterpret_cast < uint32_t * > ( const_cast < uint8_t * > ( indexBuffer - > GetBuffer ( ) . data ( ) ) ) ) ;
lodCreator . SetMeshIndexBuffer ( {
indexBuffer ,
RHI : : BufferViewDescriptor : : CreateStructured ( 0 , s_indexes . size ( ) , sizeof ( uint32_t ) )
AZ: : RHI: : BufferViewDescriptor : : CreateStructured ( 0 , indicesCount , sizeof ( uint32_t ) )
} ) ;
}
{
AZ : : Data : : Asset < AZ : : RPI : : BufferAsset > positionBuffer = BuildTestBuffer ( s_positions. size ( ) / 3 , sizeof ( float ) * 3 ) ;
AZStd : : copy ( s_positions. begin ( ) , s_positions . end ( ) , reinterpret_cast < float * > ( const_cast < uint8_t * > ( positionBuffer - > GetBuffer ( ) . data ( ) ) ) ) ;
AZ : : Data : : Asset < AZ : : RPI : : BufferAsset > positionBuffer = BuildTestBuffer ( positionCount / 3 , sizeof ( float ) * 3 ) ;
AZStd : : copy ( positions, positions + positionCount , reinterpret_cast < float * > ( const_cast < uint8_t * > ( positionBuffer - > GetBuffer ( ) . data ( ) ) ) ) ;
lodCreator . AddMeshStreamBuffer (
AZ : : RHI : : ShaderSemantic ( AZ : : Name ( " POSITION " ) ) ,
AZ : : Name ( ) ,
{
positionBuffer ,
: : BufferViewDescriptor : : CreateStructured ( 0 , s_positions. size ( ) / 3 , sizeof ( float ) * 3 )
AZ: : RHI: : BufferViewDescriptor : : CreateStructured ( 0 , positionCount / 3 , sizeof ( float ) * 3 )
}
) ;
}
lodCreator . EndMesh ( ) ;
: : Asset < RPI : : ModelLodAsset > lodAsset ;
AZ: : Data: : Asset < AZ : : RPI : : ModelLodAsset > lodAsset ;
lodCreator . End ( lodAsset ) ;
: : ModelAssetCreator modelCreator ;
modelCreator . Begin ( : : AssetId ( AZ : : Uuid : : CreateRandom ( ) ) ) ;
AZ: : RPI: : ModelAssetCreator modelCreator ;
modelCreator . Begin ( AZ: : Data: : AssetId ( AZ : : Uuid : : CreateRandom ( ) ) ) ;
modelCreator . SetName ( " TestModel " ) ;
modelCreator . AddLodAsset ( AZStd : : move ( lodAsset ) ) ;
modelCreator . End ( m_modelAsset ) ;
@ -1030,40 +1068,20 @@ namespace UnitTest
private :
AZ : : Data : : Asset < AZ : : RPI : : ModelAsset > m_modelAsset ;
static constexpr AZStd : : array s_positions {
- 1.0f , - 0.333f , - 0.5f , - 0.333f , - 1.0f , - 0.5f , - 0.333f , - 0.333f , - 0.5f , 0.333f , - 0.333f , - 0.5f , 1.0f , - 1.0f , - 0.5f ,
1.0f , - 0.333f , - 0.5f , 0.333f , - 1.0f , - 0.5f , 0.333f , 1.0f , - 0.5f , 1.0f , 0.333f , - 0.5f , 1.0f , 1.0f , - 0.5f ,
0.333f , 0.333f , - 0.5f , - 0.333f , 1.0f , - 0.5f , - 0.333f , 0.333f , - 0.5f , - 1.0f , 1.0f , - 0.5f , - 1.0f , 0.333f , - 0.5f ,
- 1.0f , - 0.333f , 0.5f , - 0.333f , - 1.0f , 0.5f , - 0.333f , - 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f , 1.0f , - 1.0f , 0.5f ,
1.0f , - 0.333f , 0.5f , - 0.333f , - 0.333f , 0.5f , 0.333f , - 1.0f , 0.5f , 0.333f , - 0.333f , 0.5f , 0.333f , 1.0f , 0.5f ,
1.0f , 0.333f , 0.5f , 1.0f , 1.0f , 0.5f , 0.333f , 0.333f , 0.5f , 1.0f , - 0.333f , 0.5f , - 0.333f , 1.0f , 0.5f ,
- 0.333f , 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f , 0.333f , 0.333f , 0.5f , - 1.0f , 1.0f , 0.5f , - 0.333f , 0.333f , 0.5f ,
- 1.0f , 0.333f , 0.5f , - 1.0f , - 1.0f , - 0.5f , - 1.0f , - 1.0f , 0.5f , 0.333f , - 0.333f , 0.5f , 0.333f , - 1.0f , 0.5f ,
1.0f , - 1.0f , 0.5f , 0.333f , - 1.0f , 0.5f , 0.333f , 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f , 1.0f , - 0.333f , 0.5f ,
- 0.333f , 0.333f , 0.5f , - 0.333f , - 0.333f , 0.5f , 0.333f , - 0.333f , 0.5f ,
} ;
static constexpr AZStd : : array s_indexes {
uint32_t { 0 } , 1 , 2 , 3 , 4 , 5 , 2 , 6 , 3 , 7 , 8 , 9 , 10 , 5 , 8 , 11 , 10 , 7 , 12 , 3 , 10 , 13 , 12 , 11 , 14 , 2 , 12 ,
15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 25 , 29 , 27 , 24 , 30 , 31 , 32 , 33 , 34 , 29 , 35 , 17 , 34 ,
0 , 36 , 1 , 3 , 6 , 4 , 2 , 1 , 6 , 7 , 10 , 8 , 10 , 3 , 5 , 11 , 12 , 10 , 12 , 2 , 3 , 13 , 14 , 12 , 14 , 0 , 2 ,
15 , 37 , 16 , 38 , 39 , 40 , 17 , 16 , 41 , 24 , 27 , 25 , 42 , 43 , 44 , 29 , 34 , 27 , 45 , 46 , 47 , 33 , 35 , 34 , 35 , 15 , 17 ,
} ;
// Ensure that the index buffer references all the positions in the position buffer
static constexpr inline auto minmaxElement = AZStd : : minmax_element ( begin ( s_indexes ) , end ( s_indexes ) ) ;
static_assert ( * minmaxElement . second = = ( s_positions . size ( ) / 3 ) - 1 ) ;
} ;
struct KdTree IntersectParams
struct IntersectParams
{
float xpos ;
float ypos ;
float zpos ;
float xdir ;
float ydir ;
float zdir ;
float expectedDistance ;
bool expectedShouldIntersect ;
friend std : : ostream & operator < < ( std : : ostream & os , const KdTree IntersectParams& param )
friend std : : ostream & operator < < ( std : : ostream & os , const IntersectParams & param )
{
return os
< < " xpos: " < < param . xpos
@ -1076,13 +1094,15 @@ namespace UnitTest
class KdTreeIntersectsParameterizedFixture
: public ModelTests
, public : : testing : : WithParamInterface < KdTree IntersectParams>
, public : : testing : : WithParamInterface < >
{
} ;
TEST_P ( KdTreeIntersectsParameterizedFixture , KdTreeIntersects )
{
TwoSeparatedPlanesMesh mesh ;
TestMesh mesh (
TwoSeparatedPlanesPositions . data ( ) , TwoSeparatedPlanesPositions . size ( ) , TwoSeparatedPlanesIndices . data ( ) ,
TwoSeparatedPlanesIndices . size ( ) ) ;
AZ : : RPI : : ModelKdTree kdTree ;
ASSERT_TRUE ( kdTree . Build ( mesh . GetModel ( ) . Get ( ) ) ) ;
@ -1092,38 +1112,40 @@ namespace UnitTest
EXPECT_THAT (
kdTree . RayIntersection (
AZ : : Vector3 ( GetParam ( ) . xpos , GetParam ( ) . ypos , GetParam ( ) . zpos ) , AZ : : Vector3 : : CreateAxisZ ( - 1.0f ) , distance , normal ) ,
AZ : : Vector3 ( GetParam ( ) . xpos , GetParam ( ) . ypos , GetParam ( ) . zpos ) ,
AZ : : Vector3 ( GetParam ( ) . xdir , GetParam ( ) . ydir , GetParam ( ) . zdir ) , distance , normal ) ,
testing : : Eq ( GetParam ( ) . expectedShouldIntersect ) ) ;
EXPECT_THAT ( distance , testing : : FloatEq ( GetParam ( ) . expectedDistance ) ) ;
}
static constexpr inline AZStd : : array < KdTreeIntersectParams , 21 > i {
KdTree IntersectParams{ - 0.1f , 0.0f , 1.0f , 0.5f , true } ,
KdTree IntersectParams{ 0.0f , , 1.0f , 0.5f , true } ,
KdTree IntersectParams{ 0. 1f, 0.0f , 1.0f , 0.5f , true } ,
static constexpr AZStd : : array KdTreeI {
{ - 0.1f , 0.0f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
{ 0.0f , 0.0f , 1.0f, 0.0f, 0.0f , - 1.0f , 0.5f , true } ,
{ 0.1f , 0. 0f, 1.0 f, 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
// Test the center of each triangle
KdTreeIntersectParams { - 0.111f , - 0.111f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.111f , - 0.778f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.111f , 0.555f , 1.0f , 0.5f , true } , // Should intersect triangle with indices {29, 34, 27} and {11, 12, 10}
KdTreeIntersectParams { - 0.555f , - 0.555f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.555f , 0.111f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.555f , 0.778f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.778f , - 0.111f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.778f , - 0.778f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { - 0.778f , 0.555f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.111f , - 0.555f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.111f , 0.111f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.111f , 0.778f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.555f , - 0.111f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.555f , - 0.778f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.555f , 0.555f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.778f , - 0.555f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.778f , 0.111f , 1.0f , 0.5f , true } ,
KdTreeIntersectParams { 0.778f , 0.778f , 1.0f , 0.5f , true } ,
IntersectParams { - 0.111f , - 0.111f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.111f , - 0.778f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.111f , 0.555f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f ,
true } , // Should intersect triangle with indices {29, 34, 27} and {11, 12, 10}
IntersectParams { - 0.555f , - 0.555f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.555f , 0.111f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.555f , 0.778f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.778f , - 0.111f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.778f , - 0.778f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { - 0.778f , 0.555f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.111f , - 0.555f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.111f , 0.111f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.111f , 0.778f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.555f , - 0.111f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.555f , - 0.778f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.555f , 0.555f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.778f , - 0.555f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.778f , 0.111f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 0.778f , 0.778f , 1.0f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
} ;
INSTANTIATE_TEST_CASE_P ( KdTreeIntersectsPlane , KdTreeIntersectsParameterizedFixture , : : testing : : ValuesIn ( i ntersectTestData) ) ;
INSTANTIATE_TEST_CASE_P ( KdTreeIntersectsPlane , KdTreeIntersectsParameterizedFixture , : : testing : : ValuesIn ( KdTreeI ntersectTestData) ) ;
class KdTreeIntersectsFixture
: public ModelTests
@ -1133,7 +1155,10 @@ namespace UnitTest
{
ModelTests : : SetUp ( ) ;
m_mesh = AZStd : : make_unique < TwoSeparatedPlanesMesh > ( ) ;
m_mesh = AZStd : : make_unique < TestMesh > (
TwoSeparatedPlanesPositions . data ( ) , TwoSeparatedPlanesPositions . size ( ) , TwoSeparatedPlanesIndices . data ( ) ,
TwoSeparatedPlanesIndices . size ( ) ) ;
m_kdTree = AZStd : : make_unique < AZ : : RPI : : ModelKdTree > ( ) ;
ASSERT_TRUE ( m_kdTree - > Build ( m_mesh - > GetModel ( ) . Get ( ) ) ) ;
}
@ -1146,7 +1171,7 @@ namespace UnitTest
ModelTests : : TearDown ( ) ;
}
AZStd : : unique_ptr < T woSeparatedPlan esMesh> m_mesh ;
AZStd : : unique_ptr < T est Mesh> m_mesh ;
AZStd : : unique_ptr < AZ : : RPI : : ModelKdTree > m_kdTree ;
} ;
@ -1154,7 +1179,7 @@ namespace UnitTest
{
float t = AZStd : : numeric_limits < float > : : max ( ) ;
AZ : : Vector3 normal ;
constexpr float rayLength = 100.0f ;
EXPECT_THAT (
m_kdTree - > RayIntersection (
@ -1181,4 +1206,85 @@ namespace UnitTest
EXPECT_THAT (
m_kdTree - > RayIntersection ( AZ : : Vector3 : : CreateAxisZ ( 5.0f ) , - AZ : : Vector3 : : CreateAxisZ ( ) , t , normal ) , testing : : Eq ( false ) ) ;
}
class BruteForceIntersectsParameterizedFixture
: public ModelTests
, public : : testing : : WithParamInterface < IntersectParams >
{
} ;
TEST_P ( BruteForceIntersectsParameterizedFixture , BruteForceIntersectsCube )
{
TestMesh mesh ( CubePositions . data ( ) , CubePositions . size ( ) , CubeIndices . data ( ) , CubeIndices . size ( ) ) ;
float distance = AZStd : : numeric_limits < float > : : max ( ) ;
AZ : : Vector3 normal ;
EXPECT_THAT (
mesh . GetModel ( ) - > LocalRayIntersectionAgainstModel (
AZ : : Vector3 ( GetParam ( ) . xpos , GetParam ( ) . ypos , GetParam ( ) . zpos ) ,
AZ : : Vector3 ( GetParam ( ) . xdir , GetParam ( ) . ydir , GetParam ( ) . zdir ) , distance , normal ) ,
testing : : Eq ( GetParam ( ) . expectedShouldIntersect ) ) ;
EXPECT_THAT ( distance , testing : : FloatEq ( GetParam ( ) . expectedDistance ) ) ;
}
static constexpr AZStd : : array BruteForceIntersectTestData {
IntersectParams { 5.0f , 0.0f , 5.0f , 0.0f , 0.0f , - 1.0f , AZStd : : numeric_limits < float > : : max ( ) , false } ,
IntersectParams { 0.0f , 0.0f , 1.5f , 0.0f , 0.0f , - 1.0f , 0.5f , true } ,
IntersectParams { 5.0f , 0.0f , 0.0f , - 10.0f , 0.0f , 0.0f , 0.4f , true } ,
IntersectParams { - 5.0f , 0.0f , 0.0f , 20.0f , 0.0f , 0.0f , 0.2f , true } ,
IntersectParams { 0.0f , - 10.0f , 0.0f , 0.0f , 20.0f , 0.0f , 0.45f , true } ,
IntersectParams { 0.0f , 20.0f , 0.0f , 0.0f , - 40.0f , 0.0f , 0.475f , true } ,
IntersectParams { 0.0f , 20.0f , 0.0f , 0.0f , - 19.0f , 0.0f , 1.0f , true } ,
} ;
INSTANTIATE_TEST_CASE_P (
BruteForceIntersects , BruteForceIntersectsParameterizedFixture , : : testing : : ValuesIn ( BruteForceIntersectTestData ) ) ;
class BruteForceModelIntersectsFixture
: public ModelTests
{
public :
void SetUp ( ) override
{
ModelTests : : SetUp ( ) ;
m_mesh = AZStd : : make_unique < TestMesh > ( CubePositions . data ( ) , CubePositions . size ( ) , CubeIndices . data ( ) , CubeIndices . size ( ) ) ;
}
void TearDown ( ) override
{
m_mesh . reset ( ) ;
ModelTests : : TearDown ( ) ;
}
AZStd : : unique_ptr < TestMesh > m_mesh ;
} ;
TEST_F ( BruteForceModelIntersectsFixture , BruteForceIntersectionDetectedWithCube )
{
float t = 0.0f ;
AZ : : Vector3 normal ;
// firing down the negative z axis, positioned 5 units from cube (cube is 2x2x2 so intersection
// happens at 1 in z)
EXPECT_THAT (
m_mesh - > GetModel ( ) - > LocalRayIntersectionAgainstModel (
AZ : : Vector3 : : CreateAxisZ ( 5.0f ) , - AZ : : Vector3 : : CreateAxisZ ( 10.0f ) , t , normal ) ,
testing : : Eq ( true ) ) ;
EXPECT_THAT ( t , testing : : FloatEq ( 0.4f ) ) ;
}
TEST_F ( BruteForceModelIntersectsFixture , BruteForceIntersectionDetectedAndNormalSetAtEndOfRay )
{
float t = 0.0f ;
AZ : : Vector3 normal = AZ : : Vector3 : : CreateOne ( ) ; // invalid starting normal
// ensure the intersection happens right at the end of the ray
EXPECT_THAT (
m_mesh - > GetModel ( ) - > LocalRayIntersectionAgainstModel (
AZ : : Vector3 : : CreateAxisY ( 10.0f ) , - AZ : : Vector3 : : CreateAxisY ( 9.0f ) , t , normal ) ,
testing : : Eq ( true ) ) ;
EXPECT_THAT ( t , testing : : FloatEq ( 1.0f ) ) ;
EXPECT_THAT ( normal , IsClose ( AZ : : Vector3 : : CreateAxisY ( ) ) ) ;
}
} // namespace UnitTest
AMZN-koppersr
5 years ago