Method Collided

Source/Objects/itemobject.cpp:116–158

}

void ItemObject::Collided(const vec3& pos, float impulse, const CollideInfo& collide_info, BulletObject* object) {
    if (stuck_in_environment_) {
        return;
    }
    if (thrown_ == kThrown || thrown_ == kThrownStraight) {
        thrown_ = kBounced;
    }
    if (scenegraph_->GetMaterialSharpPenetration(pos, this) > 0.0f && !IsConstrained()) {
        int vert = GetClosestVert(pos);
        float sharpness = GetVertSharpness(vert);
        vec3 local_pos = GetVertPos(vert) - display_phys_offset_;
        // vec3 local_vel = old_lin_vel_ + cross(old_ang_vel_, local_pos);
        vec3 world_vert = bullet_object_->GetTransform() * local_pos;
        vec3 vert_dir = normalize(world_vert - bullet_object_->GetPosition());
        // DebugDraw::Instance()->AddLine(pos, pos+collide_info.normal, vec4(0.0f,1.0f,0.5f,1.0f), _persistent);
        // DebugDraw::Instance()->AddLine(pos, pos-collide_info.normal, vec4(1.0f,0.0f,0.0f,1.0f), _persistent);
        if (sharpness > 0.3f && dot(vert_dir, normalize(old_lin_vel_)) > 0.7f &&
            dot(vert_dir, collide_info.normal) < -0.5f) {
            StickingCollisionOccured(pos, vert, collide_info);
            PlayImpactSound(pos, collide_info.normal, bullet_object_->GetMass());
            return;
        }
    }
    if (!collide_info.true_impact) {
        return;
    }
    if (length_squared(object->GetLinearVelocity()) < 0.1f) {
        return;
    }
    if (impact_sound_delay_ <= 0.0f && impulse > 0.1f) {
        PlayImpactSound(pos, collide_info.normal, impulse);
    }
    const MaterialParticle* mp = scenegraph_->GetMaterialParticle("skid", pos);
    if (!mp || mp->particle_path.empty()) {
        return;
    }

    vec3 particle_pos = pos;
    vec3 vel = vec3(0.0f, 1.0f, 0.0f);
    vec3 tint = scenegraph_->GetColorAtPoint(pos);
    scenegraph_->particle_system->MakeParticle(
        scenegraph_, mp->particle_path, particle_pos, vel, tint);
}

vec3 ItemObject::GetLinearVelocity() {
    return bullet_object_->GetLinearVelocity();