我有一个应用于对象的航点脚本。例如，对于从一点到另一点的角色，停止一段时间然后继续行走。如果我想用键盘上的方向键控制字符，我怎么能修改代码，但是仍然让它们从一点到另一点走，留在路上。
@script ExecuteInEditMode()
var PathFolder : GameObject;
@Range (1.0, 18.0)
var speed : float = 3.0;
var closedLoop : boolean;
var usePingpong : boolean;
var showPaths : boolean = true;
@Range (10, 100)
var SlerpSegments : int = 20;
var useSlerp : boolean;
@Range (.01, .4)
var slerpPoint: float = .1; // amount before turning
//enum SlerpColor { Black=0,White=1,Grey=2,Blue=3,Cyan=4,Green=5,Magenta=6,Red=7,Yellow=8}
//var slerpColor = SlerpColor.Cyan;
//var colorArray = Array();
//var scolor;
private var numpoints : int=0;
private var curindex : int ; // current index
private var once : int = 0;
private var purpleArray = Array() ;
private var ppoint : float = 1.0 ; // purple point
private var ptimes : int = 0 ; // purple
private var waypoints = Array();
private var target : Vector3;
private var dir: Vector3; // direction
private var disttotarget: float; //distance to target
private var distofline: float; //distance of current line
private var distnormal: float; //distance normalized
private var rot: Quaternion; // rotation
private var turnam: float; // rotation
var stop : boolean;
var timer : float ;
private var cislo : float = 4.0 ; // purple point
function Start(){
}
function Update(){
if (!Application.isPlaying) {
RebuildWaypointList (); DrawWaypoints (); return;
}
if(showPaths) DrawWaypoints (); // remark this out later to speed up the program
if(once==0) RebuildWaypointList ();
MoveForward();
turnam=0.01; // for no slerping = almost at zero
if (useSlerp)turnam=slerpPoint;
if (distnormal<turnam)NextWayPoint();
}
//============= subroutines =============
function MoveForward(){
FindDistance(); dir= target - transform.position;
//==========================
if(useSlerp){
var rot: Quaternion = Quaternion.LookRotation(dir);
transform.rotation = Quaternion.Slerp(transform.rotation, rot, speed * Time.deltaTime);
} else {
transform.LookAt(target); // no Slerping
}
// move in the current forward direction at specified speed:
// to keep it grounded , use Rigidbody and check "Use Gravity".
//Debug.Log(curindex);
if(stop){
timer -= Time.deltaTime;
transform.Translate(Vector3.zero);
if(timer <= 0){
timer = 0.0;
stop=false; // kocka může zase jít
transform.Translate(Vector3(0, 0, speed * Time.deltaTime));
}else{
// timer -= Time.deltaTime;
transform.Translate(Vector3.zero);
}
}else{
transform.Translate(Vector3(0, 0, speed * Time.deltaTime));
}
}
function NextWayPoint(){
switch(curindex){
case 4: stop=true; //stop in point 3
timer=5; //5s
break;
default: stop=false; //go
}
if((curindex+1) < numpoints){ // normal going forward
curindex+=1;
}else{
curindex=0;
}
// ========= if ping pong then reverse =========
if(usePingpong && curindex==0){ // then at the end
// swap allthe Vector3 info in waypoints()
var n=numpoints-1; var nn=(numpoints)/2;
for(var a : int = 0; a <nn; a++){
var tempVector=waypoints[a];
waypoints[a] = waypoints[n-a];
waypoints[n-a] = tempVector;
}
curindex=0; target=waypoints[curindex]; return;
}
// ========= if no loop then jump to beginning =========
if(!closedLoop && curindex==0){
curindex=1; target=waypoints[1];
// go to first waypoint and exit subroutine
transform.position=waypoints[0];
transform.LookAt(target);
return;
}
target=waypoints[curindex]; // else update target
}
function FindDistance(){
var tempindex = curindex;
if((tempindex-1) >-0.5){
tempindex-=1;
}else{
tempindex=numpoints-1;
}
distofline = Vector3.Distance(target,waypoints[tempindex]);
disttotarget= Vector3.Distance(target,transform.position);
distnormal= disttotarget/distofline; // make a percentage 0.0 to 1.0
}
// =========================================
function RebuildWaypointList () {
var allpoints = PathFolder.GetComponentsInChildren(Transform);
for(var i : int = 1; i < allpoints.Length; i++){
waypoints[i-1] = (allpoints[i].position);
}
numpoints=allpoints.Length-1;
once=1; // flag to do this coroutine only once
target=waypoints[curindex]; // starts at 0
}
// =========================================
function DrawWaypoints () {
//if (Application.isPlaying) return;
for ( i=0; i < numpoints; i++){
if (i<numpoints-1){ // open path -1
if (Physics.Linecast(waypoints[i],waypoints[i+1])) { // true if collider
Debug.DrawLine (waypoints[i],waypoints[i+1], Color.red);
}else{
Debug.DrawLine (waypoints[i],waypoints[i+1], Color.green);
}
}
else if(closedLoop) { // closed loop
if (Physics.Linecast(waypoints[i],waypoints[0])) { // true if collider
Debug.DrawLine (waypoints[i],waypoints[0], Color.red);
}else{
Debug.DrawLine (waypoints[i],waypoints[0], Color.blue);
}
}
}
if (Application.isPlaying) { // game is running ... draw purple path
ppoint -=Time.deltaTime; // one second?
if(ppoint<0){
//print("ptimes1 =" + ptimes + " : purpArray ="+purpleArray);
purpleArray.Add(this.transform.position); ptimes +=1;
if(ptimes>SlerpSegments){
purpleArray.RemoveAt(0); // remove the first index
ptimes -=1;
}
//print("ptimes2 =" + ptimes + " : purpArray ="+purpleArray);
ppoint=(1/speed)*.75;
}
SelectColor();
if(ptimes<1 || !useSlerp)return;
for ( i=0; i < ptimes-1; i++){
//Debug.Log("parray" +i+"=" +purpleArray[i]+ " parray"+(i+1)+"=" + purpleArray[i+1]);
var a = purpleArray[i];
var b = purpleArray[i+1];
//Debug.Log(">>" + a + b);
Debug.DrawLine (a,b, Color.magenta);
}
}
}
function SelectColor(){
// I gave up on this after a whole day...... maybe you can get it working.
//var colors : Color[]={Color.black=0,Color.white=1}
//,Color.grey,Color.blue,Color.cyan,Color.green,Color.magenta,Color.red,Color.yellow}
//GUI.color = new Color( 1, 1, 1, 0.5f )
//GUI.color = colors[1];
//Black=0,White=1,Grey=2,Blue=3,Cyan=4,
//Green=5,Magenta=6,Red=7,Yellow=8
//print("GUIcolor="+GUI.color);
//int indx= Random.Range(0,colors.Length);
//GUIText.material.color = colors[indx];
// print("color="+slerpColor);
//if(slerpColor="Magenta")scolor="magenta";
//colorArray[0] = Vector4(0,0,0,1);
//colorArray[1] = Vector4(1,1,1,1);
//var cVector = colorArray[1]; print ("cv " +cVector);
//GUI.color = new Color(colorArray[1]);
//print (colorArray);
//var color : Color = Color(0.2, 0.3, 0.4, 0.5);
//print ("v=" + colorArray[1]);
//GUI.color= colorArray[1];
/*
black Solid black. RGBA is (0, 0, 0, 1).
blue Solid blue. RGBA is (0, 0, 1, 1).
clear Completely transparent. RGBA is (0, 0, 0, 0).
cyan Cyan. RGBA is (0, 1, 1, 1).
gray Gray. RGBA is (0.5, 0.5, 0.5, 1).
green Solid green. RGBA is (0, 1, 0, 1).
grey English spelling for gray. RGBA is the same (0.5, 0.5, 0.5, 1).
magenta Magenta. RGBA is (1, 0, 1, 1).
red Solid red. RGBA is (1, 0, 0, 1).
white Solid white. RGBA is (1, 1, 1, 1).
yellow Yellow. RGBA is (1, 0.92, 0.016, 1), but the color is nice to look at!
var colors : Color[] = {Color.red, Color.cyan, Color.yellow }; //etc
switch (slerpColor) {
case 0: GUI.color = Color.black; break;
case 1: GUI.color = Color.white; break;
case 2: GUI.color = Color.grey; break;
case 3: GUI.color = Color.blue; break;
case 4: GUI.color = Color.cyan; break;
case 5: GUI.color = Color.green; break;
case 6: GUI.color = Color.magenta; break;
case 7: GUI.color = Color.red; break;
case 8: GUI.color = Color.yellow; break;
}
//print("scolor="+scolor);
//GUI.color = Color.scolor;
//Black=0,White=1,Grey=2,Blue=3,Cyan=4,
//Green=5,Magenta=6,Red=7,Yellow=8
print("GUIcolor="+GUI.color);
*/
}
答案 0 :(得分：0)
移动
if (distnormal<turnam)NextWayPoint();
进入KeyDown事件处理程序。