Function sphereCoordToCartesian

components/debug/debugdraw.cpp:13–28

#include <osg/Vec3>

static osg::Vec3 sphereCoordToCartesian(float theta, float phi, float r)
{
    osg::Vec3 returnVec = osg::Vec3(0.0, 0.0, 0.0);
    float phiToHorizontal = osg::PI_2f - phi;
    returnVec.x() = std::cos(theta);
    returnVec.y() = std::sin(theta);
    returnVec.z() = std::sin(phiToHorizontal);

    returnVec.x() *= std::cos(phiToHorizontal);
    returnVec.y() *= std::cos(phiToHorizontal);
    returnVec.x() *= r;
    returnVec.z() *= r;

    returnVec.y() *= r;
    return returnVec;
}

static void generateWireCube(osg::Geometry& geom, float dim)
{