gistfile1.txt

  	// The [makeBullets()] function was called earlier. It calls for an amount of bullets, an amount of damage that each bullet will deal, an origin point, 
	// another point to shoot towards, a float for a range, a float for the max spread, and a float for knockback force.
	public void makeBullets ( int Quantity , int Damage, Vector2 Origin, Vector2 Direction, float Range, float Spread = 0f, float KnockBack = 0.0f){

		// This entire for loop repeats for each bullet being created.
		for( int i = Quantity ; i > 0 ; i-- ){

			// Gets the point where the ray will end. Uses normalized [Direction], adds a random value to it multiplied by the [Spread], 
			// which means if spread is zero, the bullets will fly perfectly straight.
			Vector2 rayEnd = new Vector2( (Direction.normalized.x + (Random.value - 0.5f) * Spread) * (Range + rangeMod), (Direction.normalized.y + (Random.value - 0.5f) * Spread) * (Range + rangeMod));

			// Creates and defines the bullet variable as a ray shooting from [Origin] towards [rayEnd] but only as far as [Range].
			RaycastHit2D bullet;
         		bullet = Physics2D.Raycast ( Origin , rayEnd, Range + rangeMod, ~layerMask );

			// Creates a [lineRend] variable and defines it as a newly created line renderer.
			LineRenderer lineRend = ((GameObject)Instantiate(bulletLinePrefab)).GetComponent<LineRenderer>();

			// Sets the first position of the line renderer to [Origin].
			lineRend.SetPosition( 0 , gun.transform.position);

			// Checks if the raycast hit something AND the thing it hit is within range.
			if ( bullet.collider != null && bullet.distance <= Range + rangeMod){

				// Checks if the the thing the ray hit has a rigidbody.
				if (bullet.collider.attachedRigidbody != null){

					// Adds force to the rigidbody equal to [KnockBack].
					bullet.collider.attachedRigidbody.AddForce(new Vector2 ( bullet.collider.transform.position.x - bullet.point.x , bullet.collider.transform.position.y - bullet.point.y ) * (KnockBack + knockbackMod), ForceMode2D.Impulse);

					// If the thing it hit has the "Enemy" tag...
					if (bullet.collider.tag == "Enemy"){

						// Tell the enemy it hit to take damage equal to [Damage].
						bullet.collider.SendMessage("Damage", (Damage + damageMod));
					}
				}

				// Set the second position of the line renderer (the end of the line renderer) to the point where the ray hit a collider.
				lineRend.SetPosition( 1 , bullet.point );
			
			} else if (bullet.collider == null){ // If there wasn't a collider...

				// Set the second position on the line renderer (the end of the line renderer) to the end of the ray, [rayEnd].
				lineRend.SetPosition( 1 , rayEnd + new Vector2 ( transform.position.x , transform.position.y ) );
			}		
		}
	}