reach()

std::pair< glm::vec3, float > MayaFlux::Nexus::Hull::reach ( ) const

overrideprotectedvirtual

The centre of the bounds as drawn, and the distance to their farthest corner.

Reimplemented from MayaFlux::Nexus::Expanse.

Definition at line 44 of file Hull.cpp.

{
    if (!m_buf || !m_local) {
        return Expanse::reach();
    }
 
    const glm::mat4 drawn = read_placement(m_buf);
    const glm::vec3 center = glm::vec3(drawn * glm::vec4(m_local->center(), 1.0F));
 
    float radius = 0.0F;
    for (int corner = 0; corner < 8; ++corner) {
        const glm::vec3 local {
            (corner & 1) != 0 ? m_local->max.x : m_local->min.x,
            (corner & 2) != 0 ? m_local->max.y : m_local->min.y,
            (corner & 4) != 0 ? m_local->max.z : m_local->min.z,
        };
        radius = std::max(radius, glm::length(glm::vec3(drawn * glm::vec4(local, 1.0F)) - center));
    }
    return { center, radius };
}

References m_buf, m_local, radius, MayaFlux::Nexus::Expanse::reach(), and MayaFlux::Nexus::read_placement().

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