float3 TexToSphere(float x, float y, float width, float height)
{
    float temp = y;
    y = x;
    x = temp;

    float southLatBound = -180;
    float northLatBound = 180;
    float westLonBound = -90;
    float eastLonBound = 90;

    float lonExtent = eastLonBound - westLonBound;
    float latExtent = northLatBound - southLatBound;

    float xDelta = lonExtent / float(height);
    float yDelta = latExtent / float(width);

    float lon = westLonBound + xDelta * x;
    float lat = southLatBound + yDelta * y;

    float r = cos((3.14159 / 180) * lon);
    float xp = r * cos((3.14159 / 180) * lat);
    float yp = sin((3.14159 / 180)* lon);
    float zp = r * sin((3.14159 / 180) * lat);

    return float3(xp, yp, zp);
}