Frustum

Frustum Utilities

The FrustumUtil namespace provides functions for frustum culling and clipping.

• distanceToPoint(normal, point): Computes the distance from a point to a plane.
• isPointInFrustum(point, viewMatrix, projectionMatrix): Checks if a point is within the view frustum.
• clipPointAgainstPlain(line, plain): Clips a point against a plane.
• clipLineAgainstPlain(line, plain): Clips a line against a plane, returning the visible segment.