|
|
还没有账号?赶快去注册吧!
您需要 登录 才可以下载或查看,没有账号?立即注册
×
本帖最后由 Harlotte 于 2024-5-18 15:24 编辑 + p0 T( w/ V! W I1 |- k# x
# \+ F8 J, C. k% g
- l$ B& p* I8 r最近在研究JS 做了一个简单的逻辑来播放声音
3 t, v9 x, r. O- var pit = 1;//初始化音高(速度)+ N+ e) S% t7 n9 z( {
- var wheelsounds = ["mtr:df5g_wheel1","mtr:df5g_wheel2","mtr:df5g_wheel3"]; P7 i: ~$ Y) c0 c8 s2 A$ w
- function create(ctx, state, train) {0 y1 F9 g: M3 \4 q: q' v" M
- state.number = new Array();5 ^" b z/ b& \7 v. }$ Z P
- state.soundsspeed = 0;//初始化速度; w+ _2 E' ~1 C* f, r3 w! i
- state.speedsub = 0;
! b' J( |6 [" G. w8 L- l. l - for(let i = 0; i < 100; i++){
* J! F; z! k8 Y - state.number[i]=0;//初始化数组
" ^9 t3 N2 @' i% ]; o( R - }: j9 C5 N$ [4 M3 Q! U4 C* |6 q
- }* H" V8 D7 p' Y( D
- 4 \: N$ s! ~% \2 p e; r3 F7 A
- function render(ctx, state, train) {( S6 @( z4 O1 O. e
- ctx.setDebugInfo("sounds=",1);//记录声音程序已启动0 i, W& q+ n- U2 T8 N' E: s v
- pit = 1 + train.speed() / 40;//更新音高(速度)6 m3 J. m' u, o# q- E7 w
- let gmk = getCurrentTrackModelKey(ctx,state,train);//获取当前轨道的自定义轨道名称 & S5 N) e! _: t5 j. J+ P& }3 r" V
- state.speedsub = (train.speed() - state.soundsspeed) * Timing.delta() * 1000000;//计算速度差1 K# ^' I3 ?, k: A
- ctx.setDebugInfo("speedsub=",state.speedsub)! r8 S. m4 ~ M* E. H
- if(train.isOnRoute()&&gamerunning==1){//如果工作
9 {9 {" ]7 e2 N8 W1 m - for (let i = 0; i < train.trainCars(); i++) {* \( I7 {$ d+ O, _, r2 H! x8 m$ P" V
- ctx.setDebugInfo("soundsrun",1);//记录声音开启" P* L0 r. r$ g/ ~- z5 M0 Q4 d8 ]6 t v
- if(state.speedsub<-1){//如果车辆减速
4 w3 E( w: ~6 ^2 Z- E - ctx.setDebugInfo("shache",1);//记录刹车, i w5 `& i8 k! e+ @
- 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17 V. \" o0 j; w$ [/ G
- 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 k- k4 l$ |; y
- }else if(state.speedsub>1){//如果车辆加速
' n. c, b$ A4 k7 i( D8 q: r - ctx.setDebugInfo("addspeed",1);//记录加速7 o4 O7 w/ M6 ~( f# v# c' `4 Y! M
- 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 z8 W" M. ^) ]6 \
- }; u2 a! k) k1 h @3 L+ q
- state.number[1]=sound(ctx,"mtr:df5g_engine2",i,soundspos.engine,pit,state.number[1],16,1);//播放怠速声. C! z# j X% Q) W" q! q& C/ b
- if(gmk.indexOf("horn")!=-1){//如果在轨道名称里找到了horn,则播放鸣笛声
7 S# }4 y: l! ~8 N - ctx.setDebugInfo("horn",1);//记录鸣笛声开启
1 h2 e' D* W2 r& _2 { - 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6 S! K* L" P5 Y- ?) d
- }, z8 ]) H# O" V- Q. H8 a% z8 A
- if(train.speed()*20*3.6>5){
. b. K5 z- _8 `' n( G+ P$ K' _7 a - state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking2,pit,state.number[4],16,9);//播放普通轮轨声
, B& V+ F/ n( J! ?0 H& t/ S2 _3 ` - state.number[4]=sound(ctx,"mtr:df5g_wheelrun",i,soundspos.braking1,pit,state.number[4],16,9);//播放普通轮轨声
6 {8 |7 T5 X* E" X' D0 H- r3 D9 Z5 f9 n - }! ~$ j* k. P" Q+ V3 g r
- if(train.speed()>0&&grnn(0,20+train.speed()/30)>19){; S; F* G+ H3 O$ w5 ~
- 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
; t) Y2 I# Q4 g/ T2 u - 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
k- | u9 O. X6 l& l - }
0 ^3 D5 _8 R5 T' Z3 t - }
, m. o4 H( _ A( A7 e - }1 y/ N6 r. Z- ]! @ y5 L. P
- state.soundsspeed = train.speed();//更新速度
% G7 _3 u; ^+ \: t% ? - for(let i=0;i<4;i++){
* k: z1 ^, |% G8 j; [6 I0 F4 H - ctx.setDebugInfo(i+"=",state.number[i]);3 @3 h& s0 s/ ^& ~ R
- }
7 @# ]# @& V D - }7 V) x6 P8 m1 J w Z) Y
- 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: ]8 a) j" P* I/ ]
- if(Timing.elapsed()>nu){//如果时间超过了播放时间
l& \( p: v- H3 N l8 ?2 l: ? - ctx.playCarSound(Resources.id(name2) , i , vect.x() , vect.y() , vect.z() , ll , pit);//播放2 B4 k6 B5 v; ]' F* H! n3 I
- nu = Timing.elapsed()+long; //更新播放时间- j+ o3 y) s- r) V; F2 G2 T
- }
R3 h6 V$ |! M* s7 H4 Y. h - return nu;//返回新的播放时间! i- g% B- N# ^- i
- }. G7 }) M) k" ]+ j9 h& y- ?
- function grnn(min, max) {//随机小数
& k1 M# \* a) D) y9 _9 l+ c9 @ - return Math.random()*(max-min)+min; E0 @+ N+ N9 p2 u; j2 W
- }7 N5 l& r! f4 F( s& d; n) ~
- function getCurrentTrackModelKey(ctx, state, train) {//获取当前轨道的自定义轨道名称,让ai写的% N9 D, v+ {6 x: e% U: u
- // 获取列车从车库开出的距离
- \+ A$ Y* t2 k! @/ B2 S - let railProgress = train.railProgress();
2 c) X$ R3 p6 h# \1 q! V - // 获取当前轨道的索引; \1 X" ^6 t. h" ?$ j/ D
- let currentRailIndex = train.getRailIndex(railProgress, true);
- a! g; L( L S% c3 t8 k - // 检查当前轨道索引是否有效
. [- A2 _( I0 d# S - if (currentRailIndex >= 0 && currentRailIndex < train.path().size()) {0 ~+ j1 E% n. q8 l
- // 获取当前路径数据对象8 z1 O2 ?! V4 D; C. P; o6 M- n
- let currentPathData = train.path().get(currentRailIndex);7 K4 l& s3 O I: p' l
- // 获取当前轨道使用的自定义轨道名称
7 w: z8 T8 U5 x' p5 G - let trackModelKey = currentPathData.rail.getModelKey();
0 `/ N3 V5 J* t( p' B9 ~ - return trackModelKey;
" d1 Q! A1 c2 S% E0 \ - }% P Z; S1 O: z( C. O
- return null; // 或者是一个默认值
$ N- L- O3 N- J1 z$ t - }
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
8 b( n( _. w; b8 f' X' } |
|