Пример #1
0
 private static boolean raysEquivalent(Ray ray1, Ray ray2) {
   Vector3d dir1 = new Vector3d(ray1.direction);
   Vector3d dir2 = new Vector3d(ray2.direction);
   dir1.normalize();
   dir2.normalize();
   dir1.sub(dir2);
   return ray1.origin.dist(ray2.origin) < 1e-6 && dir1.len() < 1e-6;
 }
Пример #2
0
  public static void main(String args[]) {
    Vector3d viewPoint = new Vector3d(1, 0.5, 2);
    Vector3d viewDir = new Vector3d(15.23, -1.854, 65.221);
    viewDir.normalize();
    Vector3d viewUp = new Vector3d(1, 0, 0);

    OrthographicCamera orthoCam = new OrthographicCamera();
    orthoCam.setViewPoint(viewPoint);
    orthoCam.setViewDir(viewDir);
    orthoCam.setViewUp(viewUp);

    PerspectiveCamera perspectiveCam = new PerspectiveCamera();
    perspectiveCam.setViewPoint(viewPoint);
    perspectiveCam.setViewDir(viewDir);
    perspectiveCam.setViewUp(viewUp);

    float u = 0.37123f;
    float v = 0.11343f;
    Ray correctRay0 =
        new Ray(
            new Vector3d(0.6235493799051484, 0.36878515466141304, 2.084176425089877),
            new Vector3d(0.22730915261287413, -0.027671120744863338, 0.9734294315537928));
    orthoCam.testGetRay(correctRay0, u, v);

    Ray correctRay1 =
        new Ray(
            new Vector3d(1.0, 0.5, 2.0),
            new Vector3d(-0.13811656557506483, -0.14714072701594028, 0.9794250460177998));
    perspectiveCam.testGetRay(correctRay1, u, v);

    u = 0.00234f;
    v = 0.9832f;
    Ray correctRay2 =
        new Ray(
            new Vector3d(1.4705511166404994, 0.005661926354425948, 1.8760675810709173),
            new Vector3d(0.22730915261287413, -0.027671120744863338, 0.9734294315537928));
    orthoCam.testGetRay(correctRay2, u, v);

    Ray correctRay3 =
        new Ray(
            new Vector3d(1.0, 0.5, 2.0),
            new Vector3d(0.5734153111840217, -0.4289226336993767, 0.698011644029039));
    perspectiveCam.testGetRay(correctRay3, u, v);

    u = 0.2345f;
    v = 0.78201f;
    Ray correctRay4 =
        new Ray(
            new Vector3d(1.2746277432055346, 0.2364287075632546, 1.928378256923414),
            new Vector3d(0.22730915261287413, -0.027671120744863338, 0.9734294315537928));
    orthoCam.testGetRay(correctRay4, u, v);

    Ray correctRay5 =
        new Ray(
            new Vector3d(1.0, 0.5, 2.0),
            new Vector3d(0.46805451959738786, -0.27158260116709737, 0.8409327306198586));
    perspectiveCam.testGetRay(correctRay5, u, v);

    u = 0.55523f;
    v = 0.12555f;
    Ray correctRay6 =
        new Ray(
            new Vector3d(0.635352111386452, 0.552789156075998, 2.0866509013806787),
            new Vector3d(0.22730915261287413, -0.027671120744863338, 0.9734294315537928));
    orthoCam.testGetRay(correctRay6, u, v);

    Ray correctRay7 =
        new Ray(
            new Vector3d(1.0, 0.5, 2.0),
            new Vector3d(-0.12844581009091482, 0.02349159814594461, 0.991438257627089));
    perspectiveCam.testGetRay(correctRay7, u, v);
  }