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caftrdrk.sit
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CParticle.h
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1990-08-01
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543b
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21 lines
#define _H_CParticle
#include "CAfterDark.h"
struct CParticle : CAfterDark
{
float Xo, Yo, X, Y, Vxo, Vyo, T, G;
OSErr Init(RgnHandle blankRgn, GMParamBlockPtr params);
OSErr Blank(RgnHandle blankRgn, GMParamBlockPtr params);
OSErr DrawFrame(RgnHandle blankRgn, GMParamBlockPtr params);
OSErr Close(RgnHandle blankRgn, GMParamBlockPtr params);
void InitialConditions(GMParamBlockPtr params);
};
#define GRAVITY_CONTROL 0
#define DELTAT_CONTROL 1
#define MAXVXO_CONTROL 2
#define MAXVYO_CONTROL 3
#define ABS(x) (x > 0 ? x : -x)