Function TestSplines3

SplinesTest.cpp:103–193

}

void TestSplines3()
{
    printf("+ Spline3\n");

    Vec3f points[] =
    {
        { 1.14978f , -137.651f, 11.1f },
        { -174.87f , -78.9264f, 22.2f },
        { 51.2561f , 90.6417f , 66.6f },
        { -183.824f, -39.0125f, 88.8f },
        { 22.3669f , 21.0507f , 66.6f },
        { -63.4809f, 145.797f , 44.4f },
        { 16.1387f , -137.128f, -22.2f },
        { -49.4056f, 159.712f , 11.1f },
        { 7.183f   , -90.0083f, 11.1f },
        { -164.355f, -189.983f, 33.3f },
        { -180.224f, 42.4843f , 11.1f },
        { 102.902f , 118.445f , 44.4f },
        { 8.07961f , 188.87f  , 66.6f },
        { 160.243f , -126.232f, 88.8f },
        { -125.71f , -123.763f, 55.5f },
        { -102.967f, 18.3226f , 11.1f },
    };
    const int numPoints = sizeof(points) / sizeof(points[0]);

    Spline3 splines[numPoints + 1];

    int numSplines = SplinesFromPoints(numPoints, points, splines);
    float sumLen = 0.0f;

    printf("\ninfo:\n");
    for (int i = 0; i < numSplines; i++)
    {
        float len = Length(splines[i], 0.01f);
        Bounds3 bb = ExactBounds(splines[i]);

        printf("  %2d: length %5.1f, bounds [%6.1f, %6.1f, %6.1f], [%6.1f, %6.1f, %6.1f]\n", i, len, bb.mMin.x, bb.mMin.y, bb.mMin.z, bb.mMax.x, bb.mMax.y, bb.mMax.z);

        sumLen += len;
    }
    printf("\ntotal length: %6.1f\n", sumLen);

    printf("\ninterpolation:\n");
    for (int is = 4; is < 6; is++)
        for (float ts = 0.1f; ts <= 1.0f; ts += 0.2f)
        {
            Vec3f ps = Position (splines[is], ts);
            Vec3f vs = Velocity (splines[is], ts);
            float cs = Curvature(splines[is], ts);
            float rs = Torsion  (splines[is], ts);
            printf("  i %d, t %.1f: position [%6.1f, %6.1f, %6.1f], velocity [%6.1f, %6.1f, %6.1f], curvature %6.3f, torsion %6.3f\n", is, ts, ps.x, ps.y, ps.z, vs.x, vs.y, vs.z, cs, rs);
        }

    const Vec3f queryPoints[] =
    {
        { 83.7624f , -122.161f, 22.2f },
        { 126.166f , -40.4692f, 11.1f },
        { -36.1414f, -9.16203f, 88.8f },