bool ImgPatch::selfTest()
{
//Test 1 intersection:
cv::Mat intersection_test = (cv::Mat_<uchar>(9,9) << 1, 0, 0, 0, 0, 0, 0, 0, 1,
0, 1, 0, 0, 0, 0, 0, 1, 0,
0, 0, 1, 0, 0, 0, 1, 0, 0,
0, 0, 0, 1, 0, 1, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0);
setPatch(intersection_test);
if (intersectionValue() < 1) return false;
//Test 2 Single line test (horizontal)
cv::Mat line_test_1 = (cv::Mat_<uchar>(9,9) << 0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0);
setPatch(line_test_1);
if (intersectionValue() + cornerValue() > 1.0) return false;
//Test 3 Single line test (diagnol):
cv::Mat line_test_2 = (cv::Mat_<uchar>(9,9) << 1, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1);
setPatch(line_test_2);
if (intersectionValue() + cornerValue() > 1.0) return false;
//Test 4 Single corner test (90 degree):
cv::Mat corner = (cv::Mat_<uchar>(9,9) << 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 1, 1, 1,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0);
setPatch(corner);
if (intersectionValue() > 1) return false;
if (cornerValue() < 1) return false;
}
float ImgPatch::onlyCornerValue()
{
float v = intersectionValue();
if (v > 1)
{
return 0.0f;
}
else cornerValue();
}
float ImgPatch::cornerOrIntersectionValue()
{
float v = intersectionValue();
if (v > 1)
{
return v;
}
else cornerValue();
}
void WaterPhysicsSystem::addEdge(const Vec2f& _a, const Vec2f& _b, b2FixtureBodyPart* _destructionListener)
{
Edge* edge = new Edge;
Edge* intersections[2] = {0, 0};
unsigned int numIntersections = 0;
for (unsigned int i = 0; i != edges.size(); i++)
{
try
{
Vec2f position = intersectionPosition(_a, _b, edges[i]->aPosition(), edges[i]->bPosition());
assert(numIntersections < 2);
intersections[numIntersections] = edges[i];
numIntersections++;
}
catch (int ii)
{
}
}
switch (numIntersections)
{
case 0:
{
edge->setA(new Vertex(_a), _b);
edge->setB(new Vertex(_b));
addFinalisedEdge(edge);
break;
}
case 1:
{
float scalar = intersectionValue(_a, _b, intersections[0]->aPosition(), intersections[0]->bPosition());
if (scalar < 0.2f)
{
Vec2f position = intersectionPosition(_a, _b, intersections[0]->aPosition(), intersections[0]->bPosition());
edge->setB(position, new Vertex(_b));
createVertex(position, intersections[0], edge);
}
else if (scalar > 0.8f)
{
Vec2f position = intersectionPosition(_a, _b, intersections[0]->aPosition(), intersections[0]->bPosition());
edge->setA(new Vertex(_a), position);
createVertex(position, edge, intersections[0]);
}
else
{
std::cout << "Error: scalar is " << scalar << std::endl;
assert(false);
}
addFinalisedEdge(edge);
break;
}
case 2:
{
float scalar0 = intersectionValue( _a, _b, intersections[0]->aPosition(), intersections[0]->bPosition());
float scalar1 = intersectionValue( _a, _b, intersections[1]->aPosition(), intersections[1]->bPosition());
if (scalar0 > scalar1)
{
{
Edge* temp = intersections[0];
intersections[0] = intersections[1];
intersections[1] = temp;
}
{
float temp = scalar0;
scalar0 = scalar1;
scalar1 = temp;
}
}
Vec2f position0 = positionFromScalarValue(_a, _b, scalar0); /// FIXME might be the wrong line
Vec2f position1 = positionFromScalarValue(_a, _b, scalar1);
createVertex(position0, intersections[0], edge, &position1);
createVertex(position1, edge, intersections[1]);
addFinalisedEdge(edge);
break;
}
default:
{
assert(false);
}
}
//edges.push_back({_a, _b});
}
