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go-opengl-pixel
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This commit is contained in:
Ben Cragg 2019-04-03 12:19:30 +01:00
parent a1d36f8c7e
commit 3592de858c
1 changed files with 4 additions and 4 deletions
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8
geometry.go
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@ -354,8 +354,8 @@ func (l Line) Intersect(k Line) (Vec, bool) {
return ZV, false
}
// IntersectCircle will return the shortest `Vec` such that the Line and Circle no longer intesect. If they do not
// intersect at all, this function will return a zero-vector.
// IntersectCircle will return the shortest `Vec` such that moving the Line by that Vec will cause the Line and Circle
// to no longer intesect. If they do not intersect at all, this function will return a zero-vector.
func (l Line) IntersectCircle(c Circle) Vec {
// Get the point on the line closest to the center of the circle.
closest := l.Closest(c.Center)
@ -368,8 +368,8 @@ func (l Line) IntersectCircle(c Circle) Vec {
return cirToClosest.Scaled(cirToClosest.Len() - c.Radius)
}
// IntersectRect will return the shortest `Vec` such that the Line and Rect no longer intesect. If they do not
// intersect at all, this function will return a zero-vector.
// IntersectRect will return the shortest `Vec` such that moving the Line by that Vec will cause the Line and Rect to
// no longer intesect. If they do not intersect at all, this function will return a zero-vector.
func (l Line) IntersectRect(r Rect) Vec {
// Check if either end of the line segment are within the rectangle
if r.Contains(l.A) || r.Contains(l.B) {