// Use this for initialization
void Start()
{
tempVec = new Vector2();
for (int i = 0; i < balls.Count; i++)
{
// Create one new ball
GameObject b = balls[i];
Ball2D ball = b.GetComponent <Ball2D>();
// Make sure this ball spawns at an empty spot
do
{
tempVec = b.transform.position;
//tempVec.x = Random.Range(0, GlobalVariable.SCREEN_WIDTH - 2 * (GlobalVariable.SHOULDER_WIDTH + GlobalVariable.BALL_SIZE)) * (GlobalVariable.SCREEN_WIDTH - 2 * (GlobalVariable.SHOULDER_WIDTH + GlobalVariable.BALL_SIZE)) + GlobalVariable.SHOULDER_WIDTH + GlobalVariable.BALL_SIZE;
//tempVec.y = Random.Range(0, 500) * (GlobalVariable.SCREEN_HEIGHT - 2 * (GlobalVariable.SHOULDER_WIDTH + GlobalVariable.BALL_SIZE)) + GlobalVariable.SHOULDER_WIDTH + GlobalVariable.BALL_SIZE;
tempVec.x = Random.Range(ball.mRadius + GlobalVariable.SHOULDER_WIDTH, GlobalVariable.SCREEN_WIDTH - GlobalVariable.SHOULDER_WIDTH);
tempVec.y = Random.Range(ball.mRadius + GlobalVariable.SHOULDER_WIDTH, GlobalVariable.SCREEN_HEIGHT - GlobalVariable.SHOULDER_WIDTH);
b.transform.position = tempVec;
ball.mPos.x = tempVec.x;
ball.mPos.y = tempVec.y;
} while (checkBallColli(ball));
}
}
// Update is called once per frame
void Update()
{
for (int i = 0; i < balls.Count; i++)
{
GameObject b1 = balls[i];
Ball2D ball = b1.GetComponent <Ball2D>();
ball.UpdatePhysics();
for (int j = 0; j < balls.Count; j++)
{
GameObject b2 = balls[j];
Ball2D ball2 = b2.GetComponent <Ball2D>();
if (ball != ball2)
{
if (ball.isCollidingWith(ball2))
{
handleBallColli(ball, ball2, Time.deltaTime);
}
}
}
for (int k = 0; k < holes.Count; k++)
{
Hole2D hole = holes[k].GetComponent <Hole2D>();
if (ball.isInside(hole))
{
b1.SetActive(false);
break;
}
}
}
}
// If 2 balls are overlapping by this time, move them back to when they just collided
void adjustBallsDist(Ball2D ball1, Ball2D ball2, float overlapDistance)
{
HVector2D vectorDifference = new HVector2D(ball1.transform.position.x - ball2.transform.position.x, ball1.transform.position.y - ball2.transform.position.y);
vectorDifference.normalize();
HVector2D vectorDifference2 = vectorDifference * -1.0f;
float moveBackDistance = overlapDistance / 2.0f;
mPos = new HVector2D(ball1.transform.position.x, ball1.transform.position.y);
mPos2 = new HVector2D(ball2.transform.position.x, ball2.transform.position.y);
HVector2D moveBall1 = new HVector2D(vectorDifference.x * moveBackDistance, vectorDifference.y * moveBackDistance);
HVector2D moveBall2 = new HVector2D(vectorDifference2.x * moveBackDistance, vectorDifference2.y * moveBackDistance);
mPos += moveBall1;
mPos2 += moveBall2;
tempVec.x = mPos.x;
tempVec.y = mPos.y;
tempVec2.x = mPos2.x;
tempVec2.y = mPos2.y;
if (ball1.mVel.x > 0.0f || ball1.mVel.y > 0.0f)
{
ball1.transform.position = tempVec;
}
if (ball2.mVel.x > 0.0f || ball2.mVel.y > 0.0f)
{
ball2.transform.position = tempVec2;
}
}
void handleBallColli(Ball2D ball1, Ball2D ball2, float elapsed)
{
if (ball1.isActiveAndEnabled && ball2.isActiveAndEnabled)
{
HVector2D ball1Pos = new HVector2D(ball1.transform.position.x, ball1.transform.position.y);
HVector2D ball2Pos = new HVector2D(ball2.transform.position.x, ball2.transform.position.y);
HVector2D distance = new HVector2D(ball1Pos.x - ball2Pos.x, ball1Pos.y - ball2Pos.y);
HVector2D v1p = ball1.mVel.projection(distance);
HVector2D v2p = ball2.mVel.projection(distance);
HVector2D v1pp = (v2p * (ball2.mMass * 2.0f)) / (ball1.mMass + ball2.mMass);
HVector2D v2pp = (v1p * (ball2.mMass * 2.0f)) / (ball1.mMass + ball2.mMass);
ball1.mVel = ball1.mVel - v1p + v1pp;
ball2.mVel = ball2.mVel - v2p + v2pp;
float overlapDistance = ball1.mRadius * 2.0f - GlobalVariable.findDistance(ball1Pos, ball2Pos);
if (overlapDistance > 0.0f)
{
adjustBallsDist(ball1, ball2, overlapDistance);
}
}
}
public bool isCollidingWith(Ball2D other)
{
HVector2D thisBall = new HVector2D(transform.position.x, transform.position.y);
HVector2D thatBall = new HVector2D(other.transform.position.x, other.transform.position.y);
return(GlobalVariable.findDistance(thisBall, thatBall) <= mRadius * 2);
}
bool checkBallColli(Ball2D toCheck)
{
for (int i = 0; i < balls.Count; i++)
{
// Create one new ball
GameObject b = balls[i];
Ball2D ball = b.GetComponent <Ball2D>();
if (ball.isCollidingWith(toCheck) && toCheck != ball)
{
return(true);
}
}
return(false);
}
// Update is called once per frame
void Update()
{
for (int i = 0; i < balls.Count; i++)
{
GameObject b1 = balls[i];
Ball2D ball = b1.GetComponent <Ball2D>();
ball.UpdatePhysics();
for (int j = 0; j < balls.Count; j++)
{
GameObject b2 = balls[j];
Ball2D ball2 = b2.GetComponent <Ball2D>();
if (ball != ball2)
{
if (ball.isCollidingWith(ball2))
{
handleBallColli(ball, ball2, Time.deltaTime);
AudioSource.PlayClipAtPoint(hitSound, transform.position);
}
}
}
for (int k = 0; k < holes.Count; k++)
{
Hole2D hole = holes[k].GetComponent <Hole2D>();
if (ball.isInside(hole))
{
b1.SetActive(false);
if (b1.gameObject.tag == "Player")
{
gameOver.SetActive(true);
Time.timeScale = .25f;
Invoke("Reset", 1.0f);
}
break;
}
}
}
}
void handleBallColli(Ball2D ball1, Ball2D ball2, float elapsed)
{
/*
* HVector2D difference = ball1.mPos - ball2.mPos;
* //float differenceInY = ball1.mPos.y - ball2.mPos.y;
*
* float distanceBetween2Balls = Mathf.Sqrt(Mathf.Pow(difference.x, 2) + Mathf.Pow(difference.y, 2));
* float radiusAddedTogether = ball1.mRadius + ball2.mRadius;
*
* //checks if any other balls have collided
* if (distanceBetween2Balls <= radiusAddedTogether)
* {
* adjustBallsDist(ball1, ball2, )
* }
* else
* {
*
* }
*/
}
public bool isCollidingWith(Ball2D other)
{
//Finds the difference
float differenceInX = this.mPos.x - other.mPos.x;
float differenceInY = this.mPos.y - other.mPos.y;
//Finds the distance and the combined radius of the two balls
float distanceBetween2Balls = Mathf.Sqrt(Mathf.Pow(differenceInX, 2) + Mathf.Pow(differenceInY, 2));
float radiusAddedTogether = this.mRadius + other.mRadius;
//Checks if any other balls have collided
if (distanceBetween2Balls <= radiusAddedTogether)
{
return(true);
}
else
{
return(false);
}
}
public bool isCollidingWith(Ball2D other)
{
//if distance between the centre point of the 2 balls
// <= to the radius added together
//finds the difference, does the pythogoras theorem
float differenceInX = this.mPos.x - other.mPos.x;
float differenceInY = this.mPos.y - other.mPos.y;
//math.pow does the power
float distanceBetween2Balls = Mathf.Sqrt(Mathf.Pow(differenceInX, 2) + Mathf.Pow(differenceInY, 2));
float radiusAddedTogether = this.mRadius + other.mRadius;
if (distanceBetween2Balls <= radiusAddedTogether)
{
return(true);
}
else
{
return(false);
}
}
// If 2 balls are overlapping by this time, move them back to when they just collided
void adjustBallsDist(Ball2D ball1, Ball2D ball2, float overlapDistance)
{
}
void handleBallColli(Ball2D ball1, Ball2D ball2, float elapsed)
{
}
private void Start()
{
ball = drawnObject.GetComponent <Ball2D>();
}
private void Start()
{
ball = drawnObject.GetComponent <Ball2D>();
mRadius = GlobalVariable.BALL_SIZE / 2;
}
