如何使动画位置从最后一个位置开始

Question

如何在Unity中实现相对于最后位置的动画。 通常，在Unity中实现动画时，每个循环都从同一位置开始。 我想实现相对于动画对象的最后位置的动画，以避免使用力或数学计算。

Answer 1

我怎么知道的：

相对于最后位置的Unity动画而不循环

该代码解决了有关基于最后相对位置的动画的问题。 在此示例中，每次按Fire1时，将对一个框进行动画处理，以使其从X = 0移动到X =10。使用该动画将帮助我们基于曲线提供更丰富的过渡和平滑运动，而不会出现循环问题。

想法是将动画对象放在一个空的父对象中，以便使对象的动画基于本地位置。

动画完成后，我们将更新对象及其父位置以匹配最后一个位置。

如果您有任何疑问，请询问。

#pragma strict

/**
* Animation in Unity Relative to last position without looping
* @autor Knskank3
* http://stackoverflow.com/users/1287772/knskan3
* 04/09/2014
**/

/*
    This code solves the problem regarding animations based on last relative ImagePosition
    In this example, each time we press Fire1 a box will be animated to move from X = 0 to X = 10
    Using the animation will help us to provide richer transitions and smooth movements based on curves
    without the problem of looping
*/


// This var will determine if the animation is started
public var animation_started : boolean = false;
// This var will determine if the animation is finished
public var animation_finished : boolean = true;

function Update () {

    // if user triggers Fire1
    if( Input.GetButtonUp('Fire1')){

        // initialize the flags
        animation_started = true;
        animation_finished = false;

        // Start the animation
        // this animation moves the box from local X = 0 to X = 10 using a curve to deaccelerate
        animation.Play("boxanim");
    }

}

/* This function is trigger at the end of the animation */
public function animationFinished() : void {
    animation_finished = true;
}

/*  
    At the end of the frame if the animation is finished
    we update the position of the parent to the last position of the child
    and set the position of the child to zero inside the parent.
*/
function LateUpdate () {
    // if the animation is finished and it was started
    if(animation_finished && animation_started) {
        // set the flag
        animation_started = false;
        // update the parent position
        transform.parent.position = transform.position;
        // update the box position to zero inside the parent
        transform.localPosition = Vector3.zero;
    }
}