C++ (Cpp) BVH::intersectionTest Examples

Example #1

File: shading.cpp Project: jschen5/rayTracer

bool bvhIsBlocked(RayRecord &originalIntersect, BVH bvh, Light * light, glm::vec2 offset) {
    glm::vec3 lightP0 = originalIntersect.getP0() + originalIntersect.getP1() * originalIntersect.getT() ;
    glm::vec3 lightP1 ;

    //glm::vec3 lightDir ;
    GLfloat boundT = INF ;

    if (!light->isPointLight()) {   //if directional light
        lightP1 = light->_position ;
    } else {    //if point light
        lightP1 = light->_position - lightP0 ;
        boundT = 1.0f ;
    }
    //Material mt ;
    //RayRecord shadowRay(INF, mt, lightP0 + 0.0005f * lightP1, lightP1) ;
    RayRecord * shadowRay = light->getRayToLight(lightP0, offset) ;
    //return bvh.intersectionTest(*shadowRay, boundT) ;
    bool retval = bvh.intersectionTest(*shadowRay, boundT) ;
    delete shadowRay ;
    return retval ;
}