particles.h

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// particles.h

#define MIN_SPEED        0.0f 
#define MIN_LIFETIME     0.1f // in seconds
#define MIN_SPREAD       0.01f // in degrees
#define MIN_EMISSION     1.0f // in particles / sec
#define MIN_SIZE         0.1f 
#define MIN_GRAVITY     -0.5f // as a multiple of normal gravity 
#define MIN_ALPHA        0.0f // as a ratio 

#define MAX_SPEED       25.0f 
#define MAX_LIFETIME    15.0f 
#define MAX_SPREAD     180.0f 
#define MAX_SIZE         4.0f 
#define MAX_GRAVITY      0.5f 
#define MAX_ALPHA        1.0f 
#define GRAVITY          9.8f 
#define NP_IMAGES          8
static char *ParticleList[NP_IMAGES]={"bubble","circle","cloud","spark","star","user1","user2","user3"};
static BOOL  ParticleBits[NP_IMAGES]={TRUE,TRUE,TRUE,TRUE,TRUE,TRUE,TRUE,TRUE};