Курсовая работа: Система координат канви

aPrXy = 0;

bPrXx = 0;

bPrXy = 0;

////////-ball #1-

if(V1>0 ) {

if((b->y-y)>0

alfaA = arccos((b->x-x)/AB);

else alfaA = -arccos((b->x-x)/AB);

if(dy>0

then gammaA = arccos(dx/V1)

else gammaA = -arccos(dx/V1);

betaA = gammaA-alfaA;

aPrX = V1*cos(betaA);

aPrY = V1*sin(betaA);

aPrXx = aPrX*cos(alfaA);

aPrXy = aPrX*sin(alfaA);

aPrYx = aPrY*sin(alfaA);

aPrYy = aPrY*cos(alfaA); }

//////////////-ball #2-

if(V2>0 ) {

if((y-b->y)>0

then alfaB = arccos((x-b->x)/AB); //=alfaA+pi

else alfaB = -arccos((x-b->x)/AB);

if(b->dy>0)

then gammaB = arccos(b->dx/V2);

else gammaB = -arccos(b->dx/V2);

betaB = gammaB-alfaB;

bPrX = V2*cos(betaB);

bPrY = V2*sin(betaB);