All Packages  Class Hierarchy  This Package  Previous  Next  Index

Interface benno.asg.Surface

public interface Surface

trace(SpacePoint, SpacePoint)

traces from an eye through a point on the screen , returning a spacepoint object representing where we intersect that surface, or null if there is no intersection.

traceback(SpacePoint, SpacePoint)

traces from a surface point on (usually another) surface, to the eye, returning true if this surface is intersected by that ray.

 public abstract SpacePoint trace(SpacePoint eye,
                                  SpacePoint screen)

traces from an eye through a point on the screen , returning a spacepoint object representing where we intersect that surface, or null if there is no intersection.

 public abstract boolean traceback(SpacePoint surf,
                                   SpacePoint eye)

traces from a surface point on (usually another) surface, to the eye, returning true if this surface is intersected by that ray. false if this surface is not intersected by that ray.

All Packages  Class Hierarchy  This Package  Previous  Next  Index