//¥ ------------------------------------------------------------------------------------------  ¥

//¥

//¥ Copyright © 1996 Apple Computer, Inc., All Rights Reserved

//¥

//¥

//¥     You may incorporate this sample code into your applications without

//¥     restriction, though the sample code has been provided "AS IS" and the

//¥     responsibility for its operation is 100% yours.  However, what you are

//¥     not permitted to do is to redistribute the source as "DSC Sample Code"

//¥     after having made changes. If you're going to re-distribute the source,

//¥     we require that you make it clear in the source that the code was

//¥     descended from Apple Sample Code, but that you've made changes.

//¥

//¥     Authors:

//¥         Chris De Salvo

//¥

//¥ ------------------------------------------------------------------------------------------  ¥

#ifndef __PARTICLES__

#define __PARTICLES__

//¥ ------------------------------  Includes

#include <QuickDraw.h>

//¥ ------------------------------  Public Definitions

#define kNumSpecks                  50

//¥ ------------------------------  Public Types

typedef struct Speck

{

    UInt32  age;

    UInt32  lifeTime;

    SInt32  h, v;

    SInt32  speedH, speedV;

} Speck, *SpeckPtr;

typedef struct Particles

{

    UInt32      numSpecks;

    SpeckPtr    specks;

    Rect        bounds;

    UInt8       color;

} Particles, *ParticlesPtr;

//¥ ------------------------------  Public Variables

//¥ ------------------------------  Public Functions

#ifdef __cplusplus

extern "C" {

#endif

extern ParticlesPtr ParticlesAllocate(SInt32 x, SInt32 y, UInt8 color);

extern void ParticlesDispose(ParticlesPtr *theParticles);

extern Rect ParticlesDraw(ParticlesPtr, CGrafPtr dest);

#ifdef __cplusplus

}

#endif

#endif