void BoxTest::testGetters() {
const Geometry::Box b1(-1.0f, 1.0f, -2.0f, 2.0f, -3.0f, 3.0f);
const Geometry::Box b2;
CPPUNIT_ASSERT(b1.getMaxX() == 1.0f);
CPPUNIT_ASSERT(b1.getMax(Geometry::dimension_t::X) == 1.0f);
CPPUNIT_ASSERT(b1.getMaxY() == 2.0f);
CPPUNIT_ASSERT(b1.getMax(Geometry::dimension_t::Y) == 2.0f);
CPPUNIT_ASSERT(b1.getMaxZ() == 3.0f);
CPPUNIT_ASSERT(b1.getMax(Geometry::dimension_t::Z) == 3.0f);
CPPUNIT_ASSERT(b1.getMinX() == -1.0f);
CPPUNIT_ASSERT(b1.getMin(Geometry::dimension_t::X) == -1.0f);
CPPUNIT_ASSERT(b1.getMinY() == -2.0f);
CPPUNIT_ASSERT(b1.getMin(Geometry::dimension_t::Y) == -2.0f);
CPPUNIT_ASSERT(b1.getMinZ() == -3.0f);
CPPUNIT_ASSERT(b1.getMin(Geometry::dimension_t::Z) == -3.0f);
CPPUNIT_ASSERT(b1.getExtentMax() == 6.0f);
CPPUNIT_ASSERT(b1.getExtentMin() == 2.0f);
CPPUNIT_ASSERT(b1.getExtentX() == 2.0f);
CPPUNIT_ASSERT(b1.getExtent(Geometry::dimension_t::X) == 2.0f);
CPPUNIT_ASSERT(b1.getExtentY() == 4.0f);
CPPUNIT_ASSERT(b1.getExtent(Geometry::dimension_t::Y) == 4.0f);
CPPUNIT_ASSERT(b1.getExtentZ() == 6.0f);
CPPUNIT_ASSERT(b1.getExtent(Geometry::dimension_t::Z) == 6.0f);
CPPUNIT_ASSERT(b1.getVolume() == 48.0f);
CPPUNIT_ASSERT(b1.getSurfaceArea() == 88.0f);
CPPUNIT_ASSERT(b1.getCenter() == Geometry::Vec3(0.0f, 0.0f, 0.0f));
CPPUNIT_ASSERT(b1.getBoundingSphereRadius() == 0.5f * std::sqrt(56.0f));
}
void drawFastAbsBox(RenderingContext & rc, const Geometry::Box & b){
#ifdef LIB_GL
rc.pushAndSetShader(nullptr);
// Too slow:
// rc.pushMatrix_modelToCamera();
// rc.resetMatrix();
// rc.applyChanges();
glPushMatrix();
glLoadTransposeMatrixf( rc.getMatrix_worldToCamera().getData());
static const unsigned int indices[]={
1,3,2,0,
5,7,3,1,
4,6,7,5,
0,2,6,4,
7,6,2,3,
4,5,1,0
};
float corners[8][3] = {{b.getMaxX(), b.getMaxY(), b.getMaxZ()},
{b.getMinX(), b.getMaxY(), b.getMaxZ()},
{b.getMaxX(), b.getMinY(), b.getMaxZ()},
{b.getMinX(), b.getMinY(), b.getMaxZ()},
{b.getMaxX(), b.getMaxY(), b.getMinZ()},
{b.getMinX(), b.getMaxY(), b.getMinZ()},
{b.getMaxX(), b.getMinY(), b.getMinZ()},
{b.getMinX(), b.getMinY(), b.getMinZ()}};
glBegin(GL_QUADS);
for(auto & index : indices){
glVertex3fv(corners[index]);
}
glEnd();
glPopMatrix();
// rc.popMatrix_modelToCamera();
rc.popShader();
#else
drawAbsBox(rc,b);
#endif
}
void BoxTest::testMisc() {
const Geometry::Box b1(-1.0f, 1.0f, -2.0f, 2.0f, -3.0f, 3.0f);
Geometry::Box b2;
b2 = Geometry::Box();
CPPUNIT_ASSERT(b2.isValid());
b2.invalidate();
CPPUNIT_ASSERT(b2.isInvalid());
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::xyz) == Geometry::Vec3(b1.getMinX(), b1.getMinY(), b1.getMinZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::Xyz) == Geometry::Vec3(b1.getMaxX(), b1.getMinY(), b1.getMinZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::xYz) == Geometry::Vec3(b1.getMinX(), b1.getMaxY(), b1.getMinZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::XYz) == Geometry::Vec3(b1.getMaxX(), b1.getMaxY(), b1.getMinZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::xyZ) == Geometry::Vec3(b1.getMinX(), b1.getMinY(), b1.getMaxZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::XyZ) == Geometry::Vec3(b1.getMaxX(), b1.getMinY(), b1.getMaxZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::xYZ) == Geometry::Vec3(b1.getMinX(), b1.getMaxY(), b1.getMaxZ()));
CPPUNIT_ASSERT(b1.getCorner(Geometry::corner_t::XYZ) == Geometry::Vec3(b1.getMaxX(), b1.getMaxY(), b1.getMaxZ()));
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::xyz) == Geometry::corner_t::XYZ);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::Xyz) == Geometry::corner_t::xYZ);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::xYz) == Geometry::corner_t::XyZ);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::XYz) == Geometry::corner_t::xyZ);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::xyZ) == Geometry::corner_t::XYz);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::XyZ) == Geometry::corner_t::xYz);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::xYZ) == Geometry::corner_t::Xyz);
CPPUNIT_ASSERT(Geometry::Box::getOppositeCorner(Geometry::corner_t::XYZ) == Geometry::corner_t::xyz);
CPPUNIT_ASSERT(Geometry::Helper::getNormal(Geometry::side_t::X_NEG) == Geometry::Vec3(-1.0f, 0.0f, 0.0f));
CPPUNIT_ASSERT(Geometry::Helper::getNormal(Geometry::side_t::X_POS) == Geometry::Vec3(1.0f, 0.0f, 0.0f));
CPPUNIT_ASSERT(Geometry::Helper::getNormal(Geometry::side_t::Y_NEG) == Geometry::Vec3(0.0f, -1.0f, 0.0f));
CPPUNIT_ASSERT(Geometry::Helper::getNormal(Geometry::side_t::Y_POS) == Geometry::Vec3(0.0f, 1.0f, 0.0f));
CPPUNIT_ASSERT(Geometry::Helper::getNormal(Geometry::side_t::Z_NEG) == Geometry::Vec3(0.0f, 0.0f, -1.0f));
CPPUNIT_ASSERT(Geometry::Helper::getNormal(Geometry::side_t::Z_POS) == Geometry::Vec3(0.0f, 0.0f, 1.0f));
for (uint_fast8_t s = 0; s < 6; ++s) {
const Geometry::side_t side = static_cast<const Geometry::side_t>(s);
const Geometry::corner_t * corners = Geometry::Helper::getCornerIndices(side);
for (uint_fast8_t i = 0; i < 4; ++i) {
const uint_fast8_t prevCorner = i % 4;
const uint_fast8_t currentCorner = (i + 1) % 4;
const uint_fast8_t nextCorner = (i + 2) % 4;
const Geometry::Vec3 edgeA = b1.getCorner(corners[nextCorner]) - b1.getCorner(corners[currentCorner]);
const Geometry::Vec3 edgeB = b1.getCorner(corners[prevCorner]) - b1.getCorner(corners[currentCorner]);
Geometry::Vec3 normal = edgeA.cross(edgeB);
normal.normalize();
CPPUNIT_ASSERT(Geometry::Helper::getNormal(side) == normal);
}
}
const Geometry::Vec3 v1(-1.1f, 0.0f, 0.0f);
const Geometry::Vec3 v2(0.0f, 0.0f, 0.0f);
const Geometry::Vec3 v3(1.1f, 0.0f, 0.0f);
CPPUNIT_ASSERT(!b1.contains(-1.1f, 0.0f, 0.0f));
CPPUNIT_ASSERT(b1.contains(0.0f, 0.0f, 0.0f));
CPPUNIT_ASSERT(!b1.contains(1.1f, 0.0f, 0.0f));
CPPUNIT_ASSERT(!b1.contains(v1));
CPPUNIT_ASSERT(b1.contains(v2));
CPPUNIT_ASSERT(!b1.contains(v3));
CPPUNIT_ASSERT(
Geometry::Intersection::isBoxIntersectingTriangle(b1, Geometry::Triangle<Geometry::Vec3>(v1, v2, v3)));
CPPUNIT_ASSERT(b1.contains(Geometry::Box()));
CPPUNIT_ASSERT(b1.contains(b1));
CPPUNIT_ASSERT(!b1.contains(Geometry::Box(-1.1f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)));
CPPUNIT_ASSERT(Geometry::Intersection::isBoxIntersectingBox(Geometry::Box(0, 1, 0, 1, 0, 1),
Geometry::Box(0, 1, 0, 1, 0, 1)));
CPPUNIT_ASSERT(!Geometry::Intersection::isBoxIntersectingBox(Geometry::Box(0, 1, 0, 1, 0, 1),
Geometry::Box(2, 3, 2, 3, 2, 3)));
CPPUNIT_ASSERT(!Geometry::Intersection::isBoxIntersectingBox(Geometry::Box(0, 1, 0, 1, 0, 1),
Geometry::Box(0, 3, 2, 3, 2, 3)));
CPPUNIT_ASSERT(!Geometry::Intersection::isBoxIntersectingBox(Geometry::Box(0, 1, 0, 1, 0, 1),
Geometry::Box(2, 3, 0, 3, 2, 3)));
CPPUNIT_ASSERT(!Geometry::Intersection::isBoxIntersectingBox(Geometry::Box(0, 1, 0, 1, 0, 1),
Geometry::Box(2, 3, 2, 3, 0, 3)));
CPPUNIT_ASSERT(Geometry::Intersection::isBoxIntersectingBox(Geometry::Box(0, 1, 0, 1, 0, 1),
Geometry::Box(-1, 2, -1, 2, -1, 2)));
CPPUNIT_ASSERT(
Geometry::Intersection::isBoxIntersectingBox(b1, Geometry::Box(-1.1f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)));
CPPUNIT_ASSERT(
!Geometry::Intersection::isBoxIntersectingBox(b1, Geometry::Box(-1.1f, -1.0f, -2.1f, -2.0f, -3.0f, -3.0f)));
b2 = Geometry::Box(0.5f, 1.5f, 1.5f, 2.5f, 2.5f, 3.5f);
CPPUNIT_ASSERT(Geometry::Intersection::isBoxIntersectingBox(b1, b2));
CPPUNIT_ASSERT(Geometry::Intersection::getBoxBoxIntersection(b1, b2)
== Geometry::Box(0.5f, 1.0f, 1.5f, 2.0f, 2.5f, 3.0f));
CPPUNIT_ASSERT(b1.getDistance(Geometry::Vec3(-2.0f, 0.0f, 0.0f)) == 1.0f);
CPPUNIT_ASSERT(b1.getDistance(Geometry::Vec3(2.0f, 0.0f, 0.0f)) == 1.0f);
CPPUNIT_ASSERT(b1.getDistance(Geometry::Vec3(0.0f, -3.0f, 0.0f)) == 1.0f);
CPPUNIT_ASSERT(b1.getDistance(Geometry::Vec3(0.0f, 3.0f, 0.0f)) == 1.0f);
CPPUNIT_ASSERT(b1.getDistance(Geometry::Vec3(0.0f, 0.0f, -4.0f)) == 1.0f);
CPPUNIT_ASSERT(b1.getDistance(Geometry::Vec3(0.0f, 0.0f, 4.0f)) == 1.0f);
CPPUNIT_ASSERT(b1.getDistanceSquared(Geometry::Vec3(-2.0f, -3.0f, -4.0f)) == 3.0f);
CPPUNIT_ASSERT(b1.getDistanceSquared(Geometry::Vec3(2.0f, 3.0f, 4.0f)) == 3.0f);
// Make sure the box b1 was never changed.
CPPUNIT_ASSERT(b1 == Geometry::Box(-1.0f, 1.0f, -2.0f, 2.0f, -3.0f, 3.0f));
}