path: root/src/ball.c

#include "raylib.h"
#include "pong.h"

void ball(Rectangle *Player, Rectangle *Enemy, struct Balls *Ball, int *PlayerScore, int *EnemyScore) {
	
	// Moves ball
	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(-20, 20);
        }
        play_audio(0);
	}
	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);
	}

	// Calculates score and resets ball.
	bool Scored = false;
	if (Ball->X < 0) {
		*EnemyScore += 1;
		Scored = true;
	} else if (Ball ->X > 1280) {
		*PlayerScore += 1;
		Scored = true;
	}
	if (Scored == true) {
		Ball->X = 1280/2.0f;
		Ball->Y = 720/2.0f;
		Ball->Speed = 3.0f;
		Ball->Angle = 0;
	}

	return;
}