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本帖最后由 Harlotte 于 2024-5-18 15:24 编辑 3 [' y. ~- _. X( N/ Q
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最近在研究JS 做了一个简单的逻辑来播放声音
J0 H0 a+ s8 R7 o$ X3 } K- var pit = 1;//初始化音高(速度), p$ k0 t' i" h4 Y2 _5 n; I
- var wheelsounds = ["mtr:df5g_wheel1","mtr:df5g_wheel2","mtr:df5g_wheel3"], @4 _1 z2 Z( {/ _7 G
- function create(ctx, state, train) {
7 D: A5 U5 V8 g* X: B( n - state.number = new Array();/ d7 u1 R: ]6 ?8 J1 s u& N
- state.soundsspeed = 0;//初始化速度
/ c( ~, P' b6 e, v" s - state.speedsub = 0;5 \- k6 M5 c/ R5 A3 W& d7 N$ L
- for(let i = 0; i < 100; i++){
# ~* F+ x" i/ u* z+ I+ `* k - state.number[i]=0;//初始化数组
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- }/ K J, o Q8 b2 w
- ) g) C* v% e5 Q# [
- function render(ctx, state, train) {: [- k6 a2 d' @( F+ T/ X
- ctx.setDebugInfo("sounds=",1);//记录声音程序已启动; }2 f0 b0 w- o* A
- pit = 1 + train.speed() / 40;//更新音高(速度)
* ~" r) h, T4 f7 G" |& ~$ y - let gmk = getCurrentTrackModelKey(ctx,state,train);//获取当前轨道的自定义轨道名称
G1 Q' D, x" {6 d0 U - state.speedsub = (train.speed() - state.soundsspeed) * Timing.delta() * 1000000;//计算速度差- z; h) I0 u. ]9 {
- ctx.setDebugInfo("speedsub=",state.speedsub)
) n& e/ M' s7 z$ v - if(train.isOnRoute()&&gamerunning==1){//如果工作! W3 o6 l! A9 ~' Q2 K/ M9 V
- for (let i = 0; i < train.trainCars(); i++) {6 f2 C+ H# B0 m+ h2 A! G& s3 L
- ctx.setDebugInfo("soundsrun",1);//记录声音开启
' R( J- O% X' O% g - if(state.speedsub<-1){//如果车辆减速( J; j4 N3 D- _" G1 a$ Z
- ctx.setDebugInfo("shache",1);//记录刹车
( y2 a* G0 f8 F+ I - 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11 V: p& S( S( l3 N1 J% B% B/ p0 O
- 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
# ]6 w- ~# d" D5 T! } - }else if(state.speedsub>1){//如果车辆加速
! @$ R; h* f0 j; c" O - ctx.setDebugInfo("addspeed",1);//记录加速
7 K: W. \0 k) y0 b9 v+ S - 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
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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4 r7 Q$ }8 F' Z) ~/ T6 N
- if(gmk.indexOf("horn")!=-1){//如果在轨道名称里找到了horn,则播放鸣笛声
W0 h) Y* t2 j e2 c: j8 w - ctx.setDebugInfo("horn",1);//记录鸣笛声开启
6 q. b4 X5 C" n+ e2 _- F - 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
1 J! C5 b( }; _. S: `' I - }, e& v; v7 `3 L }
- if(train.speed()*20*3.6>5){$ Y M1 W4 b0 x8 E" 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+ @6 L- r% L* z; V! K3 F- 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; a( F* Z/ d3 X# o; h' I* y
- }& O0 S+ R) ~! r) l0 L) z
- if(train.speed()>0&&grnn(0,20+train.speed()/30)>19){
S9 v3 z3 W9 S; _7 X% W( 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
/ C; [5 F$ V1 S4 w8 B8 Z- r' 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
* ^7 b6 ^" H) V a - }
5 Q* R" E7 ]5 a7 I! Y - }
. H a6 a/ q' E U3 ~% x/ S - }
7 e0 U9 S. l8 R; v! w( P* q - state.soundsspeed = train.speed();//更新速度
) u7 f0 i8 z# P( r; D ]- P - for(let i=0;i<4;i++){5 I4 ~+ `# f3 }. P2 I
- ctx.setDebugInfo(i+"=",state.number[i]);0 w& O+ G# P6 F9 i$ S0 y3 w) ^
- }- ^) r' \: s; s$ f6 w
- }
; h/ B1 B. `; k, n5 ` - 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
9 d: X7 n9 ]7 ?( H) D - if(Timing.elapsed()>nu){//如果时间超过了播放时间
" Y( E1 R9 v, D - ctx.playCarSound(Resources.id(name2) , i , vect.x() , vect.y() , vect.z() , ll , pit);//播放
2 X( G# r$ L# E) T' z, B5 X - nu = Timing.elapsed()+long; //更新播放时间
2 t4 x. O. u4 ` - }
1 X* n" G, k+ ]3 @0 [; P8 R - return nu;//返回新的播放时间
* }1 z7 b) d, r; Y5 b1 m5 S - }2 K/ m/ P2 l* r$ a+ B. _
- function grnn(min, max) {//随机小数* w. F& ^" Z- n! F" B
- return Math.random()*(max-min)+min;
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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
- m! }* Y2 W7 @4 S% m4 f - // 获取列车从车库开出的距离
5 `8 E: w& Y1 d# G* r - let railProgress = train.railProgress();
0 Z# }& `9 p0 ~( p. W: N* x - // 获取当前轨道的索引
) M, {; `. N6 m6 Z5 V - let currentRailIndex = train.getRailIndex(railProgress, true);
; K( r& d, `/ ~( g/ j8 P b - // 检查当前轨道索引是否有效2 h. y( l( w: V: t& ?8 p
- if (currentRailIndex >= 0 && currentRailIndex < train.path().size()) {: ~7 i5 A1 `) y' _: Y0 D1 e
- // 获取当前路径数据对象* l# a) S, w$ @ ~) G
- let currentPathData = train.path().get(currentRailIndex);
. T t9 h7 P% |+ {5 e - // 获取当前轨道使用的自定义轨道名称
8 [ S6 a0 K1 t% g - let trackModelKey = currentPathData.rail.getModelKey();6 n$ s3 A- F/ k5 [* ?1 D; }" t* T
- return trackModelKey;. y- c5 N7 l ~0 i+ l( G' _% l+ O
- }
2 p- Q" ]/ N N4 o( d6 f - return null; // 或者是一个默认值
) J* W( o# m* U' y) } - }
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5 F a b/ b; D# a
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