minor typos

This commit is contained in:
David Rose 2001-09-07 23:33:15 +00:00
parent 89c9b06bb1
commit 136f4c9398

View File

@ -295,7 +295,7 @@ bool CollisionSphere::
intersects_line(double &t1, double &t2,
const LPoint3f &from, const LVector3f &delta) const {
// Solve the equation for the intersection of a line with a sphere
// using the quadratic formula.
// using the quadratic equation.
// A line segment from f to f+d is defined as all P such that
// P = f + td for 0 <= t <= 1.
@ -320,7 +320,7 @@ intersects_line(double &t1, double &t2,
// Solving for t using the quadratic equation gives us the point of
// intersection along the line segment. Actually, there are two
// solutions (since it is quadratic): one for the front of the
// sphere, and one for the back. In the case there the line is
// sphere, and one for the back. In the case where the line is
// tangent to the sphere, there is only one solution (and the
// radical is zero).