本文整理汇总了C#中Ray.FirstIntersectionWith方法的典型用法代码示例。如果您正苦于以下问题：C# Ray.FirstIntersectionWith方法的具体用法？C# Ray.FirstIntersectionWith怎么用？C# Ray.FirstIntersectionWith使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Ray的用法示例。
在下文中一共展示了Ray.FirstIntersectionWith方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: FirstIntersectionWithCircleFromOutsideRoundtrips
public void FirstIntersectionWithCircleFromOutsideRoundtrips(string cs)
{
var circle = Circle.Parse(cs);
var xv = new Vector(1, 0);
for (var i = -180; i < 180; i++)
{
var direction = xv.Rotate(i);
var pointOnCircumference = circle.PointOnCircumference(direction);
var ray = new Ray(pointOnCircumference + direction, direction.Negated());
var actual = ray.FirstIntersectionWith(circle);
Assert.Equal(pointOnCircumference, actual, NullablePointComparer.Default);
}
}示例2: FirstIntersectionWithEllipseFromInsideRoundtrips
public void FirstIntersectionWithEllipseFromInsideRoundtrips(string es)
{
var ellipse = Ellipse.Parse(es);
var xv = new Vector(1, 0);
for (var i = -180; i < 180; i++)
{
var direction = xv.Rotate(i);
var expected = ellipse.PointOnCircumference(direction);
var ray = new Ray(ellipse.CenterPoint, direction);
var actual = ray.FirstIntersectionWith(ellipse);
Assert.Equal(expected, actual, NullablePointComparer.Default);
}
}示例3: FirstIntersectionWithRectFromOutsideRoundtrips
public void FirstIntersectionWithRectFromOutsideRoundtrips(string rs)
{
var rect = Rect.Parse(rs);
var xAxis = new Vector(1, 0);
for (var i = -180; i < 180; i++)
{
var direction = xAxis.Rotate(i);
var fromCenter = new Ray(rect.CenterPoint(), direction);
var pointOnRect = fromCenter.FirstIntersectionWith(rect).GetValueOrDefault();
var ray = new Ray(pointOnRect + direction, direction.Negated());
var actual = ray.FirstIntersectionWith(rect);
Assert.Equal(pointOnRect, actual, NullablePointComparer.Default);
if (rect.ClosestCornerPoint(pointOnRect)
.DistanceTo(pointOnRect) < 0.01)
{
continue;
}
Vector wallNormal;
if (Math.Abs(pointOnRect.X - rect.Left) < Constants.Tolerance)
{
wallNormal = new Vector(-1, 0);
}
else if(Math.Abs(pointOnRect.X - rect.Right) < Constants.Tolerance)
{
wallNormal = new Vector(1, 0);
}
else if (Math.Abs(pointOnRect.Y - rect.Bottom) < Constants.Tolerance)
{
wallNormal = new Vector(0, 1);
}
else // if (pointOnRect.Y == rect.Top)
{
wallNormal = new Vector(0, -1);
}
for (var j = -89; j < 89; j++)
{
var rayDirection = wallNormal.Rotate(j);
ray = new Ray(pointOnRect + rayDirection, rayDirection.Negated());
actual = ray.FirstIntersectionWith(rect);
if (!NullablePointComparer.Default.Equals(pointOnRect, actual))
{
Debugger.Break();
}
Assert.Equal(pointOnRect, actual, NullablePointComparer.Default);
}
}
}示例4: FirstIntersectionWithEllipseFromOutsideRoundtrips
public void FirstIntersectionWithEllipseFromOutsideRoundtrips(string es)
{
var ellipse = Ellipse.Parse(es);
var xv = new Vector(1, 0);
for (var i = -180; i < 180; i++)
{
var fromCenterDirection = xv.Rotate(i);
var pointOnCircumference = ellipse.PointOnCircumference(fromCenterDirection);
var ray = new Ray(pointOnCircumference + fromCenterDirection, fromCenterDirection.Negated());
var actual = ray.FirstIntersectionWith(ellipse);
Assert.Equal(pointOnCircumference, actual, NullablePointComparer.Default);
for (var j = -70; j < 70; j++)
{
var direction = fromCenterDirection.Rotate(j);
ray = new Ray(pointOnCircumference + direction, direction.Negated());
actual = ray.FirstIntersectionWith(ellipse);
//if (!NullablePointComparer.Default.Equals(pointOnCircumference, actual))
//{
// Debugger.Break();
//}
Assert.Equal(pointOnCircumference, actual, NullablePointComparer.Default);
}
}
}