code: public void set(double eyeX,    double eyeY,    double eyeZ,
          double centerX,    double centerY, double centerZ,
          double upX,     double upY,     double upZ) {
  
          this.eyeX = eyeX;
          this.eyeY = eyeY;
          this.eyeZ = eyeZ;
          this.centerX = centerX;
          this.centerY = centerY;
          this.centerZ = centerZ;
          this.upX = upX;
          this.upY = upY;
          this.upZ = upZ;
      }
docs: Sets the eye position, the center of the scene and which axis is facing upward.
  
  @param eyeX
  The x-coordinate for the eye.
  @param eyeY
  The y-coordinate for the eye.
  @param eyeZ
  The z-coordinate for the eye.
  @param centerX
  The x-coordinate for the center of the scene.
  @param centerY
  The y-coordinate for the center of the scene.
  @param centerZ
  The z-coordinate for the center of the scene.
  @param upX
  Setting which axis is facing upward; usually 0.0, 1.0, or -1.0.
  @param upY
  Setting which axis is facing upward; usually 0.0, 1.0, or -1.0.
  @param upZ
  Setting which axis is facing upward; usually 0.0, 1.0, or -1.0.