/ BBS in a Box 10 / BBS In A Box Volume X (AMUG) (January 1994).bin / Files / Prog / U-Z / VideoToolBox.cpt / VideoToolboxSources / MakeNoise.c

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+--------+-------------------------+-------------------------+--------+--------+
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|00000080| 2f 2a 20 4d 61 6b 65 4e | 6f 69 73 65 2e 63 0d a9 |/* MakeN|oise.c..|
|00000090| 20 31 39 38 39 2d 31 39 | 39 32 20 44 65 6e 69 73 | 1989-19|92 Denis|
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|00000e00| 31 30 2f 32 32 2f 39 32 | 20 64 67 70 20 43 68 65 |10/22/92| dgp Che|
|00000e10| 63 6b 20 66 6f 72 20 65 | 72 72 6f 72 20 69 6e 20 |ck for e|rror in |
|00000e20| 43 6f 70 79 42 69 74 73 | 2e 0d 2a 2f 0d 23 69 6e |CopyBits|..*/.#in|
|00000e30| 63 6c 75 64 65 20 22 56 | 69 64 65 6f 54 6f 6f 6c |clude "V|ideoTool|
|00000e40| 62 6f 78 2e 68 22 0d 23 | 69 6e 63 6c 75 64 65 20 |box.h".#|include |
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|00000e60| 61 6b 65 4e 6f 69 73 65 | 28 64 6f 75 62 6c 65 20 |akeNoise|(double |
|00000e70| 64 78 2c 64 6f 75 62 6c | 65 20 64 79 2c 50 69 78 |dx,doubl|e dy,Pix|
|00000e80| 4d 61 70 20 6d 6f 76 69 | 65 5b 5d 2c 73 68 6f 72 |Map movi|e[],shor|
|00000e90| 74 20 2a 6d 61 78 46 72 | 61 6d 65 73 50 74 72 29 |t *maxFr|amesPtr)|
|00000ea0| 0d 7b 0d 09 69 6e 74 20 | 69 2c 65 72 72 6f 72 3b |.{..int |i,error;|
|00000eb0| 0d 09 42 6f 6f 6c 65 61 | 6e 20 72 61 6e 64 6f 6d |..Boolea|n random|
|00000ec0| 50 68 61 73 65 3d 31 3b | 0d 0d 09 2f 2a 0d 09 41 |Phase=1;|.../*..A|
|00000ed0| 6c 77 61 79 73 20 61 6c | 6c 6f 63 61 74 65 20 65 |lways al|locate e|
|00000ee0| 61 63 68 20 66 72 61 6d | 65 27 73 20 64 61 74 61 |ach fram|e's data|
|00000ef0| 20 61 72 65 61 2e 0d 09 | 54 68 69 73 20 69 73 20 | area...|This is |
|00000f00| 61 6e 20 6f 6c 64 20 64 | 65 63 69 73 69 6f 6e 2c |an old d|ecision,|
|00000f10| 20 77 68 69 63 68 20 73 | 65 65 6d 73 20 73 69 6c | which s|eems sil|
|00000f20| 6c 79 20 6e 6f 77 2c 20 | 62 75 74 20 74 6f 6f 20 |ly now, |but too |
|00000f30| 6d 61 6e 79 20 70 72 6f | 67 72 61 6d 73 0d 09 77 |many pro|grams..w|
|00000f40| 6f 75 6c 64 20 62 72 65 | 61 6b 20 69 66 20 49 20 |ould bre|ak if I |
|00000f50| 63 68 61 6e 67 65 64 20 | 69 74 2c 20 73 6f 20 69 |changed |it, so i|
|00000f60| 74 20 73 74 61 79 73 2e | 0d 09 2a 2f 0d 09 66 6f |t stays.|..*/..fo|
|00000f70| 72 20 28 69 3d 30 3b 69 | 3c 2a 6d 61 78 46 72 61 |r (i=0;i|<*maxFra|
|00000f80| 6d 65 73 50 74 72 3b 69 | 2b 2b 29 7b 0d 09 09 6d |mesPtr;i|++){...m|
|00000f90| 6f 76 69 65 5b 69 5d 3d | 6d 6f 76 69 65 5b 30 5d |ovie[i]=|movie[0]|
|00000fa0| 3b 0d 09 09 6d 6f 76 69 | 65 5b 69 5d 2e 62 61 73 |;...movi|e[i].bas|
|00000fb0| 65 41 64 64 72 3d 4e 55 | 4c 4c 3b 0d 09 09 65 72 |eAddr=NU|LL;...er|
|00000fc0| 72 6f 72 3d 4d 61 6b 65 | 4e 6f 69 73 65 31 28 64 |ror=Make|Noise1(d|
|00000fd0| 78 2c 64 79 2c 72 61 6e | 64 6f 6d 50 68 61 73 65 |x,dy,ran|domPhase|
|00000fe0| 2c 26 6d 6f 76 69 65 5b | 69 5d 29 3b 0d 09 09 69 |,&movie[|i]);...i|
|00000ff0| 66 28 65 72 72 6f 72 29 | 62 72 65 61 6b 3b 0d 09 |f(error)|break;..|
|00001000| 7d 0d 09 2a 6d 61 78 46 | 72 61 6d 65 73 50 74 72 |}..*maxF|ramesPtr|
|00001010| 3d 69 3b 0d 7d 0d 0d 42 | 6f 6f 6c 65 61 6e 20 4d |=i;.}..B|oolean M|
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|00001030| 20 64 78 2c 64 6f 75 62 | 6c 65 20 64 79 2c 42 6f | dx,doub|le dy,Bo|
|00001040| 6f 6c 65 61 6e 20 72 61 | 6e 64 6f 6d 50 68 61 73 |olean ra|ndomPhas|
|00001050| 65 2c 50 69 78 4d 61 70 | 20 2a 66 72 61 6d 65 29 |e,PixMap| *frame)|
|00001060| 0d 7b 0d 09 42 69 74 4d | 61 70 20 62 75 66 66 65 |.{..BitM|ap buffe|
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|00001080| 63 74 20 73 72 63 52 65 | 63 74 3b 0d 09 73 69 7a |ct srcRe|ct;..siz|
|00001090| 65 5f 74 20 66 72 61 6d | 65 42 79 74 65 73 2c 62 |e_t fram|eBytes,b|
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|000010b0| 43 6f 6c 6f 72 20 62 6c | 61 63 6b 52 47 42 3d 7b |Color bl|ackRGB={|
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|00001130| 47 65 74 46 6f 72 65 43 | 6f 6c 6f 72 28 26 66 6f |GetForeC|olor(&fo|
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|00001340| 74 28 22 5c 30 30 37 4d | 61 6b 65 4e 6f 69 73 65 |t("\007M|akeNoise|
|00001350| 31 3a 20 73 6f 72 72 79 | 2c 20 6e 6f 74 20 65 6e |1: sorry|, not en|
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+--------+-------------------------+-------------------------+--------+--------+