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本帖最后由 Harlotte 于 2024-5-18 15:24 编辑 ) j' ]) M+ L5 D% a" H+ x7 M
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最近在研究JS 做了一个简单的逻辑来播放声音# n7 _7 n# Q' G4 E7 b2 ?- Y
- var pit = 1;//初始化音高(速度)
# J8 C7 V4 e* w8 _/ X# m* F - var wheelsounds = ["mtr:df5g_wheel1","mtr:df5g_wheel2","mtr:df5g_wheel3"]
' ^4 e! [& y+ q, E) `1 O - function create(ctx, state, train) {
* g; u! t/ [8 ]7 X! A; l3 ` - state.number = new Array();
7 [" k! u4 X6 E; w1 a - state.soundsspeed = 0;//初始化速度% \5 o2 \8 _7 N% a# Q; z5 W
- state.speedsub = 0;
+ J# ^/ K: g( M8 H! e, X0 w; r, s - for(let i = 0; i < 100; i++){
$ D; A! [ l: S0 | {# W0 d4 s - state.number[i]=0;//初始化数组4 Y C4 c# V/ X7 p
- }
0 i( t( _2 Q/ |- X - }
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, e {/ ^1 M2 s4 V! `- function render(ctx, state, train) {
1 X7 w) ^- [- V; ]" S - ctx.setDebugInfo("sounds=",1);//记录声音程序已启动! c$ p+ t3 D2 r/ ~
- pit = 1 + train.speed() / 40;//更新音高(速度)
6 `2 c% s. s7 A! H - let gmk = getCurrentTrackModelKey(ctx,state,train);//获取当前轨道的自定义轨道名称
9 f7 Z& @) ~' B( q - state.speedsub = (train.speed() - state.soundsspeed) * Timing.delta() * 1000000;//计算速度差8 j2 K* V, m, B
- ctx.setDebugInfo("speedsub=",state.speedsub)
. o: W1 x- B0 I0 Q$ N* k; S- G9 D - if(train.isOnRoute()&&gamerunning==1){//如果工作
z- f6 A; V( {- X% O" l" | - for (let i = 0; i < train.trainCars(); i++) {2 v" z$ V" H' Y/ ?+ z' K' V
- ctx.setDebugInfo("soundsrun",1);//记录声音开启
3 p/ J( `2 \" V - if(state.speedsub<-1){//如果车辆减速
, s7 p, ^ o& B* O* d9 p0 I - ctx.setDebugInfo("shache",1);//记录刹车# ?9 e: z* R8 R' z' m `- \
- 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
, X% {* ]4 n/ L2 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26 s2 G, s; n5 C5 e+ Z
- }else if(state.speedsub>1){//如果车辆加速
8 V Y' Q8 T; n) ` - ctx.setDebugInfo("addspeed",1);//记录加速
1 h+ k% h: N) o( k - 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
; L8 I" x' N- l1 C5 w7 Y; c - }
. H. Z( E& o, a$ O$ a$ Z: ` - state.number[1]=sound(ctx,"mtr:df5g_engine2",i,soundspos.engine,pit,state.number[1],16,1);//播放怠速声
" U2 _% t$ N- u& h - if(gmk.indexOf("horn")!=-1){//如果在轨道名称里找到了horn,则播放鸣笛声5 G9 G: t* K5 @: E
- ctx.setDebugInfo("horn",1);//记录鸣笛声开启4 |. N9 N4 C- F* n3 r# J
- 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, d6 X9 T. {9 [4 g p, b6 j
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- if(train.speed()*20*3.6>5){
* |5 ^7 @1 p% o' O - state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking2,pit,state.number[4],16,9);//播放普通轮轨声' l; \- ~" a3 r% I: b3 [
- state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking1,pit,state.number[4],16,9);//播放普通轮轨声& e I8 Q2 @3 A% z: A4 [0 v6 X
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- if(train.speed()>0&&grnn(0,20+train.speed()/30)>19){
. w/ u& E" e3 c- 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. d5 \! o5 f. ?( s) A
- 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0 e1 A$ o# e8 R: d9 `
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- state.soundsspeed = train.speed();//更新速度: a. O; m) C# ^5 f
- for(let i=0;i<4;i++){
2 {' a2 {; g1 a - ctx.setDebugInfo(i+"=",state.number[i]);
1 j1 p; Z: Q- [: H" N# j" D - }
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- 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' T7 E6 T7 e* y) Z
- if(Timing.elapsed()>nu){//如果时间超过了播放时间
; q3 `8 y1 L" V+ F' R w- C- D - ctx.playCarSound(Resources.id(name2) , i , vect.x() , vect.y() , vect.z() , ll , pit);//播放" M" @* L8 z+ O1 B8 [" `8 o
- nu = Timing.elapsed()+long; //更新播放时间
0 j' D6 y6 b4 N ` - }
# M/ g. _5 l6 M5 q0 a) k - return nu;//返回新的播放时间
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- function grnn(min, max) {//随机小数
+ W n! Z1 N4 [9 C9 S - return Math.random()*(max-min)+min;: {( e: ^+ n6 {, p1 k2 U6 x' X9 \$ e
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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: f9 t1 Q0 E% K+ V( s- W8 P# ~
- // 获取列车从车库开出的距离" u w- Z T" v) p
- let railProgress = train.railProgress();
4 u% X, q5 u1 T& `3 u - // 获取当前轨道的索引
+ x! D+ K5 Z- q3 i. ? - let currentRailIndex = train.getRailIndex(railProgress, true);
6 H, {9 ?' v/ C - // 检查当前轨道索引是否有效5 W, ]# Q4 o, l: b' s( ^% w
- if (currentRailIndex >= 0 && currentRailIndex < train.path().size()) {6 B! D5 a8 I. {5 V4 w
- // 获取当前路径数据对象. D& q6 s' ^: l
- let currentPathData = train.path().get(currentRailIndex);8 q1 l3 r/ c4 D S0 K
- // 获取当前轨道使用的自定义轨道名称. Q0 s' d- ?# I2 ?# P3 J: i
- let trackModelKey = currentPathData.rail.getModelKey();
: h* }+ l# F7 g7 H( y - return trackModelKey;
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- return null; // 或者是一个默认值/ @' H5 |& h+ X5 R2 L+ Z% q
- }
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
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