78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
I64 x=0,y=0;
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U0 DrawMap(CTask *,CDC *dc)
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{
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static I64 last_x;
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static Bool last_left;
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if (x<last_x)
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last_left=TRUE;
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else if (x>last_x)
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last_left=FALSE;
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dc->pen_width=1;
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if (last_left)
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Sprite3(dc,x,y,0,left_imgs [ToI64(6.0*tS)&3]);
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else
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Sprite3(dc,x,y,0,right_imgs[ToI64(6.0*tS)&3]);
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last_x=x;
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}
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#define AE1_MIN 0.02
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#define AE1_MAX 0.05
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#define AE2_MIN 0.15
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#define AE2_MAX 0.30
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U0 AEMap()
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{
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I64 i=0,
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cx=Fs->pix_width>>1,
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cy=Fs->pix_height>>1,
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c_min=MinI64(cx,cy),
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*r=NULL,
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x1=0,y1=0,z1=0,
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x_last=x1,y_last=y1;
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F64 a,a1=(AE1_MAX+AE1_MIN)/2,a2=(AE2_MAX+AE2_MIN)/2,a2_total=a2,
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x_scale=ToF64(cx)/c_min,y_scale=ToF64(cy)/c_min;
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CDC *dc=DCAlias;
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SettingsPush(Fs,TSF_SAME_SONG); //See $LK,"SettingsPush",A="MN:SettingsPush"$
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Fs->text_attr=YELLOW<<4+BLUE;
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DocClear;
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"$$BG,YELLOW$$%h*c",TEXT_ROWS,'\n';
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BibleVerse(,"Exodus,16:35",3);
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Fs->draw_it=&DrawMap;
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try {
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while (!ScanChar) {
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dc->color=BLACK;
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a1=Clamp(Wrap(a1+(AE1_MAX+AE1_MIN)/5.0*(Rand-0.5)),-AE1_MAX,AE1_MAX);
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a=a1;
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if ( 0.0<=a<=AE1_MIN) a=AE1_MIN;
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if (-AE1_MIN<=a<=0.0) a=-AE1_MIN;
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Free(r);
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r=Mat4x4IdentNew;
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Mat4x4RotZ(r,a);
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Mat4x4MulXYZ(r,&x1,&y1,&z1);
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a2=Clamp(Wrap(a2+(AE2_MAX+AE2_MIN)/5.0*(Rand-0.5)),-AE2_MAX,AE2_MAX);
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a=a2;
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if ( 0.0<=a<=AE2_MIN) a=AE2_MIN;
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if (-AE2_MIN<=a<=0.0) a=-AE2_MIN;
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a2_total+=a;
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x1=ClampI64(x1+6.0*Cos(a2_total),-c_min+10,c_min-10);
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y1=ClampI64(y1+6.0*Sin(a2_total),-c_min+10,c_min-10);
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x=x_scale*x1+cx; y=y_scale*y1+cy;
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if (i++&1)
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GrLine(dc,x_last,y_last,x,y);
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x_last=x; y_last=y;
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Sleep(15);
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}
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} catch
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Fs->catch_except=TRUE;
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DocClear;
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SettingsPop(Fs,TSF_SAME_SONG);
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Free(r);
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DCFill(dc);
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DCDel(dc);
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}
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