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#include "pong.h"
#include <SDL2/SDL_atomic.h>
void enemy(struct Players *Enemy, struct Balls ball) {
int CurrentTick = SDL_AtomicGet(&Ticks);
int RunThisManyTimes = 0;
if (Enemy->NextTick <= CurrentTick) {
if(CurrentTick > Enemy->NextTick) {
RunThisManyTimes = (CurrentTick - Enemy->NextTick);
}
int i = 0;
for (i = 0; i <= RunThisManyTimes; i++) {
/* Changes direction */
if (!CheckCollisionRecs(ball.HitBox, Enemy->BallDetector)) {
if (Enemy->Y+120 > ball.Y) {
Enemy->Direction = 0;
} else if (Enemy->Y < ball.Y) {
Enemy->Direction = 1;
}
} else {
Enemy->Direction = 3;
}
/* Moves */
switch(Enemy->Direction) {
case 0:
Enemy->Y -= 15;
break;
case 1:
Enemy->Y += 15;
break;
default:
break;
}
/* Prevents from going off screen. */
if ( Enemy->Y > 480 ) {
Enemy->Y = 480;
} else if (Enemy->Y < 0) {
Enemy->Y = 0;
}
/* Updates hitbox and detector */
Enemy->HitBox.y = Enemy->Y;
Enemy->BallDetector.y = Enemy->Y+80;
}
Enemy->NextTick = SDL_AtomicGet(&Ticks)+1;
}
return;
}
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