private static CollisionInfo GetCollisionInfo(RigidCircle circle, RigidCircleQuarter circleQuarter)
{
var info = GetCollisionInfo(circle, circleQuarter.WholeCircle);
if (info == null)
{
return(null);
}
var vector = info.Start - circleQuarter.Center;
var vertical = Vector.ScalarProduct(vector, circleQuarter.Direction);
var horizontal = Vector.ScalarProduct(vector, circleQuarter.DirectionNormal);
switch (circleQuarter.QuarterIndex)
{
case 1 when vertical >= 0 && horizontal >= 0: return(info);
case 2 when vertical >= 0 && horizontal <= 0: return(info);
case 3 when vertical <= 0 && horizontal <= 0: return(info);
case 4 when vertical <= 0 && horizontal >= 0: return(info);
default: return(null);
}
}
private static void DrawCircleQuarter(RigidCircleQuarter shape, Pen strokePen, Graphics g)
{
var start = shape.GetCurveStart();
var end = shape.GetCurveEnd();
g.DrawBezier(strokePen,
start.GetPointF(),
start.GetPointF(),
shape.GetCurveCorner().GetPointF(),
end.GetPointF());
EdgeRenderer.Draw(new Edge(shape.Center, start), strokePen, g);
EdgeRenderer.Draw(new Edge(shape.Center, end), strokePen, g);
}
private static void DrawCircleQuarter(RigidCircleQuarter shape, Vector cameraPosition, Pen strokePen, Graphics g)
{
var start = shape.GetCurveStart().ConvertFromWorldToCamera(cameraPosition).GetPointF();
var end = shape.GetCurveEnd().ConvertFromWorldToCamera(cameraPosition).GetPointF();
g.DrawBezier(strokePen,
start,
start,
shape.GetCurveCorner().ConvertFromWorldToCamera(cameraPosition).GetPointF(),
end);
EdgeRenderer.Draw(new Edge(shape.Center, shape.GetCurveStart()), cameraPosition, strokePen, g);
EdgeRenderer.Draw(new Edge(shape.Center, shape.GetCurveEnd()), cameraPosition, strokePen, g);
}
public Range(Vector playerCenter)
{
var trianglePoints = new[]
{
playerCenter.Copy(),
playerCenter + new Vector(0, -74),
playerCenter + new Vector(32, 0)
};
Sector = new RigidCircleQuarter(
new Vector(0, -1),
2,
new RigidCircle(playerCenter.Copy(), 74, false, false));
Triangle = new RigidTriangle(trianglePoints, false, false);
currentAngle = 90;
}
private void TestNotInTouch(RigidCircle circle, RigidCircleQuarter quarterMainDirection, RigidCircleQuarter quarterSecondDirection)
{
Assert.IsNull(CollisionDetector.GetCollisionInfo(circle, quarterMainDirection));
Assert.IsNull(CollisionDetector.GetCollisionInfo(circle, quarterSecondDirection));
}
private void TestInTouch(RigidCircle circle, RigidCircleQuarter quarterMainDirection, RigidCircleQuarter quarterSecondDirection, CollisionInfo expected)
{
Assert.AreEqual(expected, CollisionDetector.GetCollisionInfo(circle, quarterMainDirection));
Assert.AreEqual(expected, CollisionDetector.GetCollisionInfo(circle, quarterSecondDirection));
}