Package ca.eandb.jmist.math

Examples of ca.eandb.jmist.math.Point3.y()

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      if (ray.direction().z() != 0.0) {
        t = (box.minimumZ() - ray.origin().z()) / ray.direction().z();
        if (t > 0.0) {
          p = ray.pointAt(t);
          if (box.minimumX() < p.x() && p.x() < box.maximumX() && box.minimumY() < p.y() && p.y() < box.maximumY()) {
            Intersection x = super.newIntersection(ray, t, ray.direction().z() > 0.0, BOX_SURFACE_MIN_Z)
              .setLocation(p);
            recorder.record(x);
            if (++n == 2) return;
          }
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        }

        t = (box.maximumZ() - ray.origin().z()) / ray.direction().z();
        if (t > 0.0) {
          p = ray.pointAt(t);
          if (box.minimumX() < p.x() && p.x() < box.maximumX() && box.minimumY() < p.y() && p.y() < box.maximumY()) {
            Intersection x = super.newIntersection(ray, t, ray.direction().z() < 0.0, BOX_SURFACE_MAX_Z)
              .setLocation(p);
            recorder.record(x);
            if (++n == 2) return;
          }
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        }

        t = (box.maximumZ() - ray.origin().z()) / ray.direction().z();
        if (t > 0.0) {
          p = ray.pointAt(t);
          if (box.minimumX() < p.x() && p.x() < box.maximumX() && box.minimumY() < p.y() && p.y() < box.maximumY()) {
            Intersection x = super.newIntersection(ray, t, ray.direction().z() < 0.0, BOX_SURFACE_MAX_Z)
              .setLocation(p);
            recorder.record(x);
            if (++n == 2) return;
          }
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    switch (x.getTag())
    {
    case BOX_SURFACE_MAX_X:
      facePoint = new Point2(
          (box.maximumZ() - p.z()) / box.lengthX(),
          (box.maximumY() - p.y()) / box.lengthY()
      );
      break;

    case BOX_SURFACE_MIN_X:
      facePoint = new Point2(
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      break;

    case BOX_SURFACE_MIN_X:
      facePoint = new Point2(
          (p.z() - box.minimumZ()) / box.lengthZ(),
          (box.maximumY() - p.y()) / box.lengthY()
      );
      break;

    case BOX_SURFACE_MAX_Y:
      facePoint = new Point2(
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      break;

    case BOX_SURFACE_MAX_Z:
      facePoint = new Point2(
          (p.x() - box.minimumX()) / box.lengthX(),
          (box.maximumY() - p.y()) / box.lengthY()
      );
      break;

    case BOX_SURFACE_MIN_Z:
      facePoint = new Point2(
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      break;

    case BOX_SURFACE_MIN_Z:
      facePoint = new Point2(
          (p.x() - box.minimumX()) / box.lengthX(),
          (p.y() - box.minimumY()) / box.lengthY()
      );
      break;

    default:
      throw new IllegalArgumentException("invalid surface id");
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