public void Intersect()
{
var rect = new Rectangle2f(9, 9, 2, 2);
var centre = new Vector2f(10, 10);
var below = new Vector2f(10, 0);
var above = new Vector2f(10, 20);
var left = new Vector2f(0, 10);
var right = new Vector2f(20, 10);
Vector2f intersectionPoint;
float t;
Assert.True(rect.TryIntersect(new LineSegment2f(below, centre), out intersectionPoint, out t));
Assert.Equal(new Vector2f(10, 9), intersectionPoint);
Assert.Equal(0.9, t, precision: 4);
Assert.True(rect.TryIntersect(new LineSegment2f(above, centre), out intersectionPoint, out t));
Assert.Equal(new Vector2f(10, 11), intersectionPoint);
Assert.Equal(0.9, t, precision: 4);
Assert.True(rect.TryIntersect(new LineSegment2f(left, centre), out intersectionPoint, out t));
Assert.Equal(new Vector2f(9, 10), intersectionPoint);
Assert.Equal(0.9, t, precision: 4);
Assert.True(rect.TryIntersect(new LineSegment2f(right, centre), out intersectionPoint, out t));
Assert.Equal(new Vector2f(11, 10), intersectionPoint);
Assert.Equal(0.9, t, precision: 4);
}
public void Corners()
{
var rect = new Rectangle2f(9, 9, 2, 2);
Assert.Equal(new Vector2f(9, 9), rect.Min);
Assert.Equal(new Vector2f(11, 11), rect.Max);
Assert.Equal(new Vector2f(9, 9), rect.TopLeft);
Assert.Equal(new Vector2f(11, 9), rect.TopRight);
Assert.Equal(new Vector2f(9, 11), rect.BottomLeft);
Assert.Equal(new Vector2f(11, 11), rect.BottomRight);
}
