public void TestTwoEdgesCreateAngle()
{
var first = new Edge(Vector.ZeroVector, new Vector(20, 0));
var second = new Edge(Vector.ZeroVector, new Vector(-10, 10));
Assert.IsTrue(CollisionDetector.AreCollide(first, second));
}
private bool IsInView(Vector objectCenter, List <Edge> sceneEdges)
{
var vectorToObject = (objectCenter - Position).Normalize();
var sightNormal = sight.GetNormal();
var v = Vector.ScalarProduct(vectorToObject, sightNormal);
var sc = Vector.ScalarProduct(vectorToObject, sight);
if (sc < 0)
{
return(false);
}
var sightAngleVector =
v > 0 ? sight.Rotate(sightAngle, Vector.ZeroVector) : sight.Rotate(-sightAngle, Vector.ZeroVector);
var sightAngleVectorProjection = Vector.ScalarProduct(sightAngleVector, sightNormal);
if (!(Math.Abs(sightAngleVectorProjection) > Math.Abs(v)))
{
return(false);
}
foreach (var wall in sceneEdges)
{
if (CollisionDetector.AreCollide(Position, objectCenter, wall))
{
return(false);
}
}
return(true);
}
public void TestTwoEdgesDontCross()
{
var first = new Edge(Vector.ZeroVector, new Vector(20, 0));
var second = new Edge(new Vector(0, 10), new Vector(20, 10));
Assert.IsFalse(CollisionDetector.AreCollide(first, second));
}