net.sf.j3d.threeD.raytracer.camera
Interface Camera

All Known Implementing Classes:

CameraObject, OrthographicCamera, PinholeCamera, ThinLensCamera

public interface Camera

Implementations of the Camera interface provide a method for calculating viewing rays.

Author:

Mike Murray

Method Summary

Ray	rayAt(double i, double j, int screenWidth, int screenHeight)

Method Detail

rayAt

Ray rayAt(double i,
          double j,
          int screenWidth,
          int screenHeight)

Parameters:

i - X coordinate of pixel.

j - Y coordinate of pixel.

screenWidth - Width of image.

screenHeight - Height of image.

Returns:

A Ray object that represents the viewing ray at (i, j)