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Improve ray intersection tests

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This commit is contained in:
James Urquhart 2023-09-24 20:53:21 +01:00 • committed by Brian Roberts
parent 568f889dbc
commit 6605ddc66a
1 changed files with 99 additions and 1 deletions
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100
Engine/source/testing/sceneContainerTest.cpp
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@ -602,6 +602,9 @@ public:
U32 mNumCollideBoxCalls;
U32 mNumCastRayRenderedCalls;
bool mReturnCastRay;
RayInfo mRayInfo;
bool onAdd()
{
if (Parent::onAdd())
@ -611,6 +614,8 @@ public:
mNumBuildPolyListCalls = 0;
mNumCollideBoxCalls = 0;
mNumCastRayRenderedCalls = 0;
mReturnCastRay = false;
mRayInfo = {};
if (mAddCallback)
mAddCallback();
@ -645,12 +650,22 @@ public:
virtual bool castRay(const Point3F& start, const Point3F& end, RayInfo* info)
{
mNumCastRayCalls++;
return false;
if (!mReturnCastRay)
return false;
*info = mRayInfo;
return true;
}
virtual bool castRayRendered(const Point3F& start, const Point3F& end, RayInfo* info)
{
mNumCastRayRenderedCalls++;
if (!mReturnCastRay)
return false;
*info = mRayInfo;
return false;
}
@ -848,6 +863,82 @@ TEST_F(SceneContainerTest, castRay)
gClientSceneGraph->getContainer()->removeObject(so1);
}
TEST_F(SceneContainerTest, castRay_order)
{
SceneObjectTestVariant* so1 = NULL;
SceneObjectTestVariant* so2 = NULL;
Sim::findObject("SO1", so1);
Sim::findObject("SO2", so2);
MatrixF m(1);
m.setPosition(Point3F(0, 0, 0));
so1->setTypeMask(MarkerObjectType);
so1->setTransform(m);
so1->setWorldBox(Box3F(m.getPosition() - Point3F(5, 5, 5), m.getPosition() + Point3F(5,5,5)));
so2->setTypeMask(MarkerObjectType);
so2->setGlobalBounds();
so1->mReturnCastRay = true;
so2->mReturnCastRay = true;
gClientSceneGraph->getContainer()->addObject(so1);
gClientSceneGraph->getContainer()->addObject(so2);
// Here we need to ensure that so1 or so2 will be picked based on shortest distance
RayInfo closeInfo = {};
RayInfo farInfo = {};
closeInfo.t = 5 / 100.0;
farInfo.t = 10 / 100.0;
// so1=far, so2=close
{
so1->mRayInfo = farInfo;
so1->mRayInfo.object = so1;
so2->mRayInfo = closeInfo;
so2->mRayInfo.object = so2;
Point3F start(0, 0, 0);
Point3F end(0, 0, -100);
RayInfo info;
bool castCheck = gClientSceneGraph->getContainer()->castRay(start, end, MarkerObjectType, &info);
EXPECT_EQ(castCheck, true);
EXPECT_EQ(so1->mNumCastRayCalls, 1);
EXPECT_EQ(so2->mNumCastRayCalls, 1);
EXPECT_EQ(info.distance, 5);
EXPECT_EQ(info.object, so2);
}
// so2=far, so1=close
{
so2->mRayInfo = farInfo;
so2->mRayInfo.object = so2;
so1->mRayInfo = closeInfo;
so1->mRayInfo.object = so1;
Point3F start(0, 0, 0);
Point3F end(0, 0, -100);
RayInfo info;
bool castCheck = gClientSceneGraph->getContainer()->castRay(start, end, MarkerObjectType, &info);
EXPECT_EQ(castCheck, true);
EXPECT_EQ(so1->mNumCastRayCalls, 2);
EXPECT_EQ(so2->mNumCastRayCalls, 2);
EXPECT_EQ(info.distance, 5);
EXPECT_EQ(info.object, so1);
}
gClientSceneGraph->getContainer()->removeObject(so1);
gClientSceneGraph->getContainer()->removeObject(so2);
}
TEST_F(SceneContainerTest, castRayRendered)
{
// Basically: only gets called on objects in the right bin
@ -1324,8 +1415,15 @@ TEST_F(SceneContainerTest, getBinRange)
U32 minBin = 0;
U32 maxBin = 0;
SceneContainer::getBinRange(0, 0, minBin, maxBin);
EXPECT_EQ(minBin == 0 && maxBin == 0, true);
SceneContainer::getBinRange(0, SceneContainer::csmBinSize*0.5, minBin, maxBin);
EXPECT_EQ(minBin == 0 && maxBin == 0, true);
SceneContainer::getBinRange(SceneContainer::csmBinSize * 0.5, SceneContainer::csmBinSize * 0.5, minBin, maxBin);
EXPECT_EQ(minBin == 0 && maxBin == 0, true);
SceneContainer::getBinRange(0, SceneContainer::csmBinSize, minBin, maxBin);
EXPECT_EQ(minBin == 0 && maxBin == 1, true);
SceneContainer::getBinRange(SceneContainer::csmBinSize * 1.5, SceneContainer::csmBinSize * 1.5, minBin, maxBin);
EXPECT_EQ(minBin == 1 && maxBin == 1, true);
SceneContainer::getBinRange(SceneContainer::csmBinSize, SceneContainer::csmBinSize, minBin, maxBin);
EXPECT_EQ(minBin == 1 && maxBin == 1, true);
SceneContainer::getBinRange(SceneContainer::csmBinSize*2, SceneContainer::csmBinSize*2, minBin, maxBin);