/**
 * Follow Component
 * @param id
 * @param name
 * @param currentComponent R3.Component
 * @param targetComponent R3.Component
 * @param targetPositionOffset R3.API.Vector3
 * @param minDistance
 * @param moveSpeed
 * @param parentEntity
 * @constructor
 */
R3.D3.API.Follow = function (
    id,
    name,
    currentComponent,
    targetComponent,
    targetPositionOffset,
    minDistance,
    moveSpeed,
    parentEntity
) {

    R3.Component.call(
        this,
        R3.Component.COMPONENT_FOLLOW,
        {
            'currentComponent': R3.Component,
            'targetComponent': R3.Component
        },
        parentEntity
    );

    if (R3.Utils.UndefinedOrNull(id)) {
        id = R3.Utils.RandomId();
    }
    this.id = id;

    if (R3.Utils.UndefinedOrNull(name)) {
        name = this.constructor.name;
    }
    this.name = name;

    if (R3.Utils.UndefinedOrNull(currentComponent)) {
        currentComponent = null;
    }
    this.currentComponent = currentComponent;

    if (R3.Utils.UndefinedOrNull(targetComponent)) {
        targetComponent = null;
    }
    this.targetComponent = targetComponent;

    if(R3.Utils.UndefinedOrNull(targetPositionOffset)) {
        targetPositionOffset = new R3.API.Vector3(0, 0, 0);
    }
    this.targetPositionOffset = targetPositionOffset;

    if (R3.Utils.UndefinedOrNull(minDistance)) {
        minDistance = 2;
    }
    this.minDistance = minDistance;

    if (R3.Utils.UndefinedOrNull(moveSpeed)) {
        moveSpeed = 12.5;
    }
    this.moveSpeed = moveSpeed;

    this.target = new R3.API.Vector3(0, 0, 0);

    this.targetToParent = new R3.API.Vector3(0, 0, 0);

    this.rotatedTargetOffset = new R3.API.Vector3(0, 0, 0);

    this.rotated = new R3.API.Quaternion();
};

R3.D3.API.Follow.prototype = Object.create(R3.Component.prototype);
R3.D3.API.Follow.prototype.constructor = R3.D3.API.Follow;

/**
 * Object to R3.D3.API.Follow
 * @param objectComponent
 * @returns {R3.D3.API.Follow}
 * @constructor
 */
R3.D3.API.Follow.FromObject = function(objectComponent) {
    return new R3.D3.API.Follow(
        objectComponent.id,
        objectComponent.name,
        objectComponent.currentComponent,
        objectComponent.targetComponent,
        R3.API.Vector3.FromObject(objectComponent.targetPositionOffset),
        objectComponent.minDistance,
        objectComponent.moveSpeed,
        objectComponent.parentEntity
    );
};