src/bones/bone.cpp

#include "rive/bones/bone.hpp"
#include "rive/math/vec2d.hpp"
#include <algorithm>

using namespace rive;

void Bone::addChildBone(Bone* bone) { m_ChildBones.push_back(bone); }

StatusCode Bone::onAddedClean(CoreContext* context) {
    Super::onAddedClean(context);
    if (!parent()->is<Bone>()) {
        return StatusCode::MissingObject;
    }
    parent()->as<Bone>()->addChildBone(this);
    return StatusCode::Ok;
}

void Bone::lengthChanged() {
    for (auto bone : m_ChildBones) {
        bone->markTransformDirty();
    }
}

float Bone::x() const { return parent()->as<Bone>()->length(); }

float Bone::y() const { return 0.0f; }

void Bone::tipWorldTranslation(Vec2D& result) {
    result = Vec2D::transform({length(), 0}, worldTransform());
}

void Bone::addPeerConstraint(Constraint* peer) {
    assert(std::find(m_PeerConstraints.begin(),
                     m_PeerConstraints.end(),
                     peer) == m_PeerConstraints.end());
    m_PeerConstraints.push_back(peer);
}