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本帖最后由 Harlotte 于 2024-5-18 15:24 编辑 / Y" I, `5 w+ o
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最近在研究JS 做了一个简单的逻辑来播放声音
- E! V# Z) Q0 C- var pit = 1;//初始化音高(速度), a! Y9 e [+ _* f8 O3 f
- var wheelsounds = ["mtr:df5g_wheel1","mtr:df5g_wheel2","mtr:df5g_wheel3"]
. j7 q W& k; H% R - function create(ctx, state, train) {
|1 s& R' ]& i- v$ c - state.number = new Array();
" [- b4 S d- e, d - state.soundsspeed = 0;//初始化速度( [ e6 p+ U( R8 ^# C
- state.speedsub = 0;
$ j' d; Q# f, P1 H V, P0 h - for(let i = 0; i < 100; i++){' P5 Y6 [5 H ]2 G ?4 T; X v$ a
- state.number[i]=0;//初始化数组$ ^% M" q1 r U
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- }
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- o3 g/ l& h* S1 X- function render(ctx, state, train) {5 y4 ?( z0 s% t& ]' J) s- B
- ctx.setDebugInfo("sounds=",1);//记录声音程序已启动( D7 a1 D- E- C( T; F1 d) g
- pit = 1 + train.speed() / 40;//更新音高(速度)0 {+ m: r: X) v5 b4 ?
- let gmk = getCurrentTrackModelKey(ctx,state,train);//获取当前轨道的自定义轨道名称 : N" Z- N9 x1 x i7 F8 b# f- ]
- state.speedsub = (train.speed() - state.soundsspeed) * Timing.delta() * 1000000;//计算速度差5 b6 L' @2 J& G' v
- ctx.setDebugInfo("speedsub=",state.speedsub)
" F5 g/ t; N! u! |$ k3 w - if(train.isOnRoute()&&gamerunning==1){//如果工作
, O, P' a6 B+ a: R! S5 j- ] - for (let i = 0; i < train.trainCars(); i++) {) \! l$ g2 T1 ?5 |
- ctx.setDebugInfo("soundsrun",1);//记录声音开启
5 R# C0 t6 b- v0 v - if(state.speedsub<-1){//如果车辆减速
3 g6 W6 T, ~ A9 b - ctx.setDebugInfo("shache",1);//记录刹车# `' q. V* F8 _5 D$ m) s
- 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1
5 a1 Q" V. ^6 T! [" B - 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21 Q3 V' U- r/ G, i$ Y7 ]
- }else if(state.speedsub>1){//如果车辆加速
, v, d* t! T, U& n7 K3 v% t - ctx.setDebugInfo("addspeed",1);//记录加速$ O3 Q' e5 z3 F( e$ k+ B; |& s9 ]
- 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% H* @1 |5 ^. ?2 h8 n+ z
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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
+ a0 d0 d/ ?0 D4 b$ ^ - if(gmk.indexOf("horn")!=-1){//如果在轨道名称里找到了horn,则播放鸣笛声; H) J) C+ b9 r9 r+ E S/ `
- ctx.setDebugInfo("horn",1);//记录鸣笛声开启
+ [" c6 l# C6 t3 F0 q, S6 ^' D( ` - 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
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- if(train.speed()*20*3.6>5){
2 S3 S) K8 N8 Q& p2 n - state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking2,pit,state.number[4],16,9);//播放普通轮轨声# C$ _8 U7 ]4 O+ S0 L0 h' F
- state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking1,pit,state.number[4],16,9);//播放普通轮轨声% [& d, K( G! `/ j6 f: e
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- if(train.speed()>0&&grnn(0,20+train.speed()/30)>19){
7 e: K: O3 Q6 m) V - 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
- ^2 g8 l+ k2 l' H2 }8 ^ - 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
. r3 y6 T0 n: u) a - }
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% I: N {0 O/ S0 D) n+ m - state.soundsspeed = train.speed();//更新速度4 r. ]7 z- U: g9 t1 o! s3 a6 Q
- for(let i=0;i<4;i++){: |4 s# w9 I! z3 q
- ctx.setDebugInfo(i+"=",state.number[i]);
4 W) A8 z4 t! Q$ X7 l - }
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2 f1 i, y5 z% ? - 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
6 f3 u! S" V+ C9 ]2 v - if(Timing.elapsed()>nu){//如果时间超过了播放时间+ C) V, w _' b/ V/ ?' T6 A
- ctx.playCarSound(Resources.id(name2) , i , vect.x() , vect.y() , vect.z() , ll , pit);//播放
d0 j- h) p! s" C7 t7 J3 o - nu = Timing.elapsed()+long; //更新播放时间
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- return nu;//返回新的播放时间
0 w" ]1 } R2 M - }
) k( S$ e& d" Y( n: c0 W - function grnn(min, max) {//随机小数. }! }1 Y5 z; b; g* Q
- return Math.random()*(max-min)+min;) Y' s3 e9 t# U/ k% }! f9 F
- }
$ G& {: b! X- f) s G1 x! S - function getCurrentTrackModelKey(ctx, state, train) {//获取当前轨道的自定义轨道名称,让ai写的
% E; S9 C( |. h7 h5 `7 L2 Y+ n - // 获取列车从车库开出的距离
: X5 Q/ H5 a+ k - let railProgress = train.railProgress();+ C5 @* ^0 Y7 r1 e3 [
- // 获取当前轨道的索引9 S9 O( A/ B$ I3 x
- let currentRailIndex = train.getRailIndex(railProgress, true);
7 r+ u' d9 k1 m' n9 C - // 检查当前轨道索引是否有效
7 I: h- `8 p8 e - if (currentRailIndex >= 0 && currentRailIndex < train.path().size()) {" ^3 ?' z5 B" f8 x* B5 a
- // 获取当前路径数据对象
' \( X% M5 S4 E' l8 d9 i' W - let currentPathData = train.path().get(currentRailIndex);
( }1 K z# V' u6 f: I8 \# H- | - // 获取当前轨道使用的自定义轨道名称0 a2 K2 H) ]8 U: x
- let trackModelKey = currentPathData.rail.getModelKey();
# W7 f- f% y6 J- E/ i3 A - return trackModelKey;
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- return null; // 或者是一个默认值
) g8 S9 Y' Z3 f- a' E - }
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3 w) H0 n1 p+ l! c* E3 V
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