/*REMINDER: (declared above)
*
* private Rectangle cBallHitBox;
* private Circle cBall;
* private Circle cBallNext;*/
void UpdateCbNextAndHitbox()
{
yNext = cBall.center.y * cb.damp + cb.viy * Time.deltaTime;
if (cBall.center.y > 8.3f)
{
wind = cloud.getWind(); //when the cannonball is above the stonehedge
}
else
{
wind = 0;
}
// viyNext = cb.viy - cb.gravity * Time.deltaTime; //i dont think i need this
xNext = cBall.center.x * cb.damp + cb.vix * Time.deltaTime + wind * Time.deltaTime;
//update cBallNext
cBallNext.setCenter(new Vector2(xNext, yNext));
Vector2 centerToNext = new Vector2(cBallNext.center.x - cBall.center.x, cBallNext.center.y - cBall.center.y);
Vector2 norm = new Vector2(centerToNext.y, -centerToNext.x); //centerToNext and norm are perpendicular, aka centerToNext dot norm = 0
norm.Normalize();
//four corners of rectangle hit box
Vector2 a = new Vector2(cBall.center.x - radius * norm.x, cBall.center.y - radius * norm.y);
Vector2 b = new Vector2(cBall.center.x + radius * norm.x, cBall.center.y + radius * norm.y);
Vector2 c = new Vector2(cBallNext.center.x + radius * norm.x, cBallNext.center.y + radius * norm.y);
Vector2 d = new Vector2(cBallNext.center.x - radius * norm.x, cBallNext.center.y - radius * norm.y);
//update hitbox
cBallHitBox.setCorners(a, b, c, d);
}
public void MoveCannonball()
{
y = y * damp + viy * Time.deltaTime;
if (y > 8.3f)
{
wind = cloud.getWind(); //when the cannonball is above the stonehedge
}
else
{
wind = 0;
}
viy -= gravity * Time.deltaTime;
x = x * damp + vix * Time.deltaTime + wind * Time.deltaTime;
transform.position = new Vector3(x, y, 1);
}