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本帖最后由 Harlotte 于 2024-5-18 15:24 编辑 ! V8 @, h$ v+ _0 D3 V1 p
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( d, w0 o7 a- n3 D" u最近在研究JS 做了一个简单的逻辑来播放声音
6 M% d8 {# v4 i; q3 g' ^- var pit = 1;//初始化音高(速度)1 X4 _- A; j( i4 @* O* j
- var wheelsounds = ["mtr:df5g_wheel1","mtr:df5g_wheel2","mtr:df5g_wheel3"]
* u8 x( `& H8 o3 Z6 Z - function create(ctx, state, train) {
/ F/ Y" p% @8 D4 R - state.number = new Array();
8 j5 D' G6 q+ @' I4 y8 Y - state.soundsspeed = 0;//初始化速度2 N6 W0 k# y$ [0 {& W3 B3 K
- state.speedsub = 0;
. Q$ @! L8 v5 e+ j" _) f* p - for(let i = 0; i < 100; i++){- K6 y$ u, C+ g9 i
- state.number[i]=0;//初始化数组
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- }
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6 Y5 O! b9 e. |) i& |8 Q$ J- function render(ctx, state, train) {* _( |% M, q. Y4 U2 z8 L4 `
- ctx.setDebugInfo("sounds=",1);//记录声音程序已启动
7 M& D1 \- @) D1 a. |1 w" S - pit = 1 + train.speed() / 40;//更新音高(速度)
) v q8 K5 i4 l4 S - let gmk = getCurrentTrackModelKey(ctx,state,train);//获取当前轨道的自定义轨道名称
/ M! y+ V* a* q3 @ - state.speedsub = (train.speed() - state.soundsspeed) * Timing.delta() * 1000000;//计算速度差
' N5 C! \0 d7 `- k# ?# q, x; p4 [6 S - ctx.setDebugInfo("speedsub=",state.speedsub)
# g7 v- N R2 G$ U - if(train.isOnRoute()&&gamerunning==1){//如果工作
2 f' C G! Z; r3 S3 n! z) W) [ - for (let i = 0; i < train.trainCars(); i++) {
+ P6 d6 b8 J9 R - ctx.setDebugInfo("soundsrun",1);//记录声音开启
1 e$ y1 A0 X- \6 w7 ^" G - if(state.speedsub<-1){//如果车辆减速* Z& H0 x0 ~6 ~6 X
- ctx.setDebugInfo("shache",1);//记录刹车; M! V% o ?: w0 b) d
- state.number[0]=sound(ctx,"mtr:df5g_shache",i,soundspos.braking1,pit,state.number[0],16,0.03+train.speed()*20*3.6/800);//更新返回时间 播放刹车声在转向架14 s: f$ I7 h+ D0 `8 T
- state.number[0]=sound(ctx,"mtr:df5g_shache",i,soundspos.braking2,pit,state.number[0],16,0.03+train.speed()*20*3.6/800);//更新返回时间 播放刹车声在转向架2
5 f, E% {& {# M+ | - }else if(state.speedsub>1){//如果车辆加速
! E( H9 l+ B! b/ d8 v8 H- q% j - ctx.setDebugInfo("addspeed",1);//记录加速
% k2 a( |# O7 Z8 B4 S( `5 p: {6 g - state.number[2]=sound(ctx,"mtr:df5g_engine",i,soundspos.engine,pit,state.number[2],20,grnn(0.8,1));//播放加速声8 u3 q0 v m9 x" A9 g$ K
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- state.number[1]=sound(ctx,"mtr:df5g_engine2",i,soundspos.engine,pit,state.number[1],16,1);//播放怠速声5 I" G) e% g+ N; P( U0 p ~. r
- if(gmk.indexOf("horn")!=-1){//如果在轨道名称里找到了horn,则播放鸣笛声* O+ F( E# D: J! j' S, O
- ctx.setDebugInfo("horn",1);//记录鸣笛声开启
) b7 J' z9 j' B% x* j! Y - state.number[3]=sound(ctx,"mtr:df5g_horn",i,soundspos.horn,1,state.number[3],32,5);//播放鸣笛声,单位是秒,推荐是5秒左右,可以根据需要调整 我这里是因为音频不合适循环播放,实际音频在1s左右) |. A' D# _! y) A7 s0 F9 [& n
- }
' D5 M: p- Y u6 X+ s7 v - if(train.speed()*20*3.6>5){
3 |1 Q7 a/ @. y( @# s - state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking2,pit,state.number[4],16,9);//播放普通轮轨声' H4 h& G. d Z- p8 H% ?! k s& e4 Q
- state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking1,pit,state.number[4],16,9);//播放普通轮轨声
+ U b/ k% }. [1 b2 d+ W - } ]) g& A* N0 ?7 T
- if(train.speed()>0&&grnn(0,20+train.speed()/30)>19){
5 Z* ?3 J% Z% E6 F; |% c - state.number[5]=sound(ctx,wheelsounds[Math.floor(grnn(0,3))],i,soundspos.braking2,0.8,state.number[5],32,0.05);//播放撞轨声* \( K) q' c+ k T. f
- state.number[5]=sound(ctx,wheelsounds[Math.floor(grnn(0,3))],i,soundspos.braking1,0.8,state.number[5],32,0.05);//播放撞轨声
3 ]( n! _2 j& d ~+ V3 T - }
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- state.soundsspeed = train.speed();//更新速度, e0 r1 x: ?! c: Z, j- x* g5 k, n
- for(let i=0;i<4;i++){
: e; Q/ M9 a% _5 R" ~( V - ctx.setDebugInfo(i+"=",state.number[i]);
% |$ p; M, [' e* G/ j6 U - }
4 N" j( d- R# @9 m4 w - }
y, z4 Q8 N& v$ P: g - function sound(ctx,name2,i,vect,pit,nu,ll,long){//播放声音pit是音高(速度) nu是一个数组,用来记录播放时间,ll是音频响度,long是循环播放时间) Y1 e6 e4 \% P! P' h2 l! J; a5 u6 E
- if(Timing.elapsed()>nu){//如果时间超过了播放时间
. h% J9 a% h r - ctx.playCarSound(Resources.id(name2) , i , vect.x() , vect.y() , vect.z() , ll , pit);//播放: ^8 M' |/ Z7 O5 N! m1 R' u
- nu = Timing.elapsed()+long; //更新播放时间% s% ^& e# _3 y' u& F
- }
. [, q! A3 C+ d$ r1 b. l# l - return nu;//返回新的播放时间/ l. k7 I: m8 _ L- b
- }
* A4 G$ p/ x& f# u+ d - function grnn(min, max) {//随机小数
# V5 I1 m( K' [, ^+ p/ T% ^ - return Math.random()*(max-min)+min;" e3 X2 n" }9 ?( x; ^
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- function getCurrentTrackModelKey(ctx, state, train) {//获取当前轨道的自定义轨道名称,让ai写的2 r) C. X& Y' c7 X# X0 [
- // 获取列车从车库开出的距离
2 D- Q1 b/ {6 A% K f" y7 b% g - let railProgress = train.railProgress();! ?( K% b7 U+ G2 k' q& v. m# p
- // 获取当前轨道的索引 p* b6 c7 ?; C! ]* g( P6 |- i
- let currentRailIndex = train.getRailIndex(railProgress, true);0 ]1 U9 d, R" R1 U8 G9 o
- // 检查当前轨道索引是否有效: }9 a9 s, Z3 d+ c9 A+ u" j
- if (currentRailIndex >= 0 && currentRailIndex < train.path().size()) {
% q2 t5 w; {; q: [3 I! |6 X" N - // 获取当前路径数据对象
, ?, [/ Z. m5 A# d! U& c- g# w$ a - let currentPathData = train.path().get(currentRailIndex);
% J" G" Y9 q7 V4 j' E! C( i - // 获取当前轨道使用的自定义轨道名称
- ~ U- A9 { g6 E: o4 Y - let trackModelKey = currentPathData.rail.getModelKey();8 _3 d! h: d7 z* Y: U$ R3 L1 g5 S
- return trackModelKey;
+ `! m8 Z' g- J W1 L - }
' ]6 Q/ O5 j+ n0 L" z# ?2 ^2 L6 D - return null; // 或者是一个默认值
" X0 |+ o; W3 B/ G* n, W - }
复制代码 相比bve 用这种方式可以搞更多的逻辑,随机叠加音频,实测效果非常不错 I1 a% F! p- r
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