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#include "pong.h"
void ball(Rectangle *Player, Rectangle *Enemy, struct Balls *Ball, int *PlayerScore, int *EnemyScore) {
bool NoEnemy = false;
if (Enemy == NULL) {
NoEnemy = true;
}
// Moves
int CurrentTick = SDL_AtomicGet(&Ticks);
if(Ball->NextTick <= CurrentTick){
int RunThisManyTimes = 0;
if (CurrentTick > Ball->NextTick) {
RunThisManyTimes = (CurrentTick - Ball->NextTick);
}
for (int i = 0; i <= RunThisManyTimes; i++) {
Ball->Y += Ball->Angle;
if (Ball->Direction == LEFT) {
Ball->X -= Ball->Speed;
} else {
Ball->X += Ball->Speed;
}
// Moves hitbox with ball.
Ball->HitBox.x = Ball->X;
Ball->HitBox.y = Ball->Y;
// Check collisions against players.
if (CheckCollisionRecs(*Player, Ball->HitBox) && Ball->Direction == LEFT) {
Ball->Direction = RIGHT;
Ball->Speed *= 1.5f;
if (Ball->Speed > 40) {
Ball->Speed = 40;
}
if (Ball->Speed != 40) {
Ball->Angle = GetRandomValue(-10, 10);
} else {
Ball->Angle = GetRandomValue(-30, 30);
}
play_audio(0);
}
if (NoEnemy == false) {
if (CheckCollisionRecs(*Enemy, Ball->HitBox) && Ball->Direction == RIGHT) {
Ball->Direction = LEFT;
Ball->Speed *= 1.5f;
if (Ball->Speed > 40) {
Ball->Speed = 40;
}
if (Ball->Speed != 40) {
Ball->Angle = GetRandomValue(-10, 10);
} else {
Ball->Angle = GetRandomValue(-30, 30);
}
play_audio(SOUND_BOUNCE);
}
}
// Bounce ball if touches top or bottom of screen.
if ( (Ball->Y+32 >= 720 && Ball->Angle >=1) || (Ball->Y <= 0 && Ball->Angle <= -1) ) {
Ball->Angle *= -1;
play_audio(SOUND_BOUNCE);
}
}
Ball->NextTick = SDL_AtomicGet(&Ticks)+1;
// printf("%d,%d\n", SDL_AtomicGet(&Ticks), Ball->NextTick);
}
// printf("%d,%d\n", SDL_AtomicGet(&Ticks), Ball->NextTick);
// Calculates score and resets ball.
bool Scored = false;
if (Ball->X < 0 && NoEnemy == false) {
*EnemyScore += 1;
Scored = true;
} else if (Ball ->X > 1280 && NoEnemy == false) {
*PlayerScore += 1;
Scored = true;
} else if (Ball->X > (1280-32) && NoEnemy == true) {
*PlayerScore += 1;
Scored = false;
Ball->Direction = LEFT;
play_audio(SOUND_PLAYER_SCORE);
}
if (Scored == true) {
Ball->X = 1280/2.0f;
Ball->Y = 720/2.0f;
Ball->Speed = 3.0f;
Ball->Angle = 0;
}
return;
}
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