Unity说我的阵列索引超出了范围

Question

因此，我试图以Unity创建插槽计算机，并且我收到一个错误，说我的数组索引超出了范围。这是错误的图片。如果有人能帮助我弄清楚，我会很感激。

#pragma strict
var id: int = -1; 
var GO: GameObject;
var mScript: master; // script
// 0=stopped 1, 2, 3, 4=spinning 5=finished
var stateWheel: int = 0;
var angleStart = 0.0;
var angleStop = 0.0;
var angT = 0.0;
var ang = 0.0;
var r = 0.0;
var angleRandom = 0.0;
var countFast: int;
var index: int = -1;
var totalFaster = 0.0;
var totalSlower = 0.0;

var t = 0.0;
var td = 0.0;
function Start (){
    GO = GameObject.Find("Master");
    mScript = GO.GetComponent (master);
    stateWheel = 0;
    angleStart = 0.0;
    angT = 0.0;
    t = 0.0;
} 
function Update () {    
     td = Time.deltaTime; // time since last Update
     t += td;
     switch (stateWheel) {
         case 0:
             initialize();
             return;
         case 1:
             rotateFaster();
             return;
        case 2:
             rotateFast();
             return;
        case 3:
             rotateSlower();
             return;
        case 4:
             rotateReverse();
             return;
        case 5:
             finished();
             return;
     }
 }
 function initialize() {
if (mScript.stateWheels[id] != 1) return;
mScript.stateWheels[id] = 0;
r = mScript.randomNo();
angleStop = 18.0*Mathf.RoundToInt(360.0*r/18.0);
if (angleStop >= 360) angleStop -= 360;
angleRandom = angleStop - angleStart;
if (angleRandom < 0) angleRandom += 360;
ang = 0.0;
stateWheel++;
 }
 function rotateFaster() {
     ang += 0.02;
     if (ang > 10) {
         var angleAdjust = (360 - 335) + (360 - 135);
         var a = angleAdjust + angleRandom;
         if (a >= 360) a -= 360;
         countFast = Mathf.RoundToInt(a/10) + 1;
         stateWheel++;
         return;
    }
    totalFaster += ang;
    if (totalFaster >= 360) totalFaster -= 360;
    angT += ang;
    if (angT >= 360) angT -= 360;
    transform.rotation = Quaternion.Euler(-angT, 0.0, 0.0);
}
function rotateFast() {
     countFast--;
     if (countFast == 0) stateWheel++;
     ang = 10;
    angT += ang;
     if (angT >= 360) angT -= 360;
transform.rotation = Quaternion.Euler(-angT, 0.0, 0.0);

}

 function rotateSlower() {
     ang -= 0.1;
     if (ang < 0) {
         stateWheel++;
         return;
     }
     totalSlower += ang;
     if (totalSlower>= 360) totalSlower -= 360;
     angT += ang;
     if (angT >= 360) angT -= 360;
     transform.rotation = Quaternion.Euler(-angT, 0.0, 0.0);
    }
    function rotateReverse() {
     angT -= 0.4;
     if (angT < angleStop) {
          angT = Mathf.RoundToInt(angT);
          stateWheel++;
     }
     transform.rotation = Quaternion.Euler(-angT, 0.0, 0.0);
    }
     function finished() {
      index = Mathf.RoundToInt(angT/18);
      if (index == 0) index += 20;
      angleStart = angT;
      stateWheel = 0;
     }

Answer 1

正如许多人在评论中所说的那样，问题显然是因为您将 id 设置为 -1 在 var id: int = -1;：array start索引为0。

当您尝试获取不存在的数组的元素（数组为null，index＆lt; 0或index> = = array的长度）时，您将获得此错误。