public void Calculate()
{
try
{//parse strings into floating point numbers
float pos1_x = Single.Parse(pos1_inputs[0].text);
float pos1_y = Single.Parse(pos1_inputs[1].text);
float pos1_z = Single.Parse(pos1_inputs[2].text);
float pos2_x = Single.Parse(pos2_inputs[0].text);
float pos2_y = Single.Parse(pos2_inputs[1].text);
float pos2_z = Single.Parse(pos2_inputs[2].text);
float num = Single.Parse(radius_input.text);
if (num < 0)
{
throw new Exception("Only positive radii allowed!");
}
pos1 = new MyVector3(pos1_x, pos1_y, pos1_z);
pos2 = new MyVector3(pos2_x, pos2_y, pos2_z);
radius = num;
}
catch (Exception e)
{//parsing failed
Debug.LogError(e.Message);
pos1_inputs[0].text = "";
pos1_inputs[1].text = "";
pos1_inputs[2].text = "";
pos2_inputs[0].text = "";
pos2_inputs[1].text = "";
pos2_inputs[2].text = "";
radius_input.text = "";
return;
}
//printe vectors to the scene
directionalUnitVect.text = MyVector3.DirectionalUnitVector(pos1, pos2).Print();
closerThanRadius.text = MyVector3.CloserThanRadius(pos1, pos2, radius).ToString();
}
private void FixedUpdate()
{
//check collision between any pair of balls
for (int i = 0; i < balls.Length - 1; i++)
{
for (int j = i + 1; j < balls.Length; j++)
{
if (MyVector3.CloserThanRadius(balls[i].GetPosition(), balls[j].GetPosition(), 2 * SnookerBall.radius))
{//the distance between the centers of the two balls is less than twice the radius
//this means there is a collision
HandleCollision(balls[i], balls[j]);
}
}
}
}
public void FixedUpdate()
{
if (rotating)
{//the ball is rotating around a waypoint
//angle ball->current waypoint->next waypoint at the end of the previous update (clockwise winding)
float prevAngle = MyVector3_Cylindrical.DeltaAngleRadiants(rotationPosition, directionConcesutiveWaypoints);
int sign = clockwise ? -1 : 1;
float dAngle = angularVelocity * Time.fixedDeltaTime * sign;
rotationPosition.RotateByAngle(dAngle);
//angle ball->current waypoint->next waypoint at the current update
float angle = MyVector3_Cylindrical.DeltaAngleRadiants(rotationPosition, directionConcesutiveWaypoints);
if ((!clockwise && prevAngle > Mathf.PI && angle < Mathf.PI) ||
(clockwise && prevAngle < Mathf.PI && angle > Mathf.PI) ||
dAngle > Mathf.PI)
{//the ball has moved past the next movement direction on this frame
SetLinearMovementVariables();
}
else
{//the ball has NOT crossed the next movement direction on this frame
position = MyVector3.Add(rotationPosition.ToCartesian(), waypoints_position[target]);
}
}
else
{
if (MyVector3.CloserThanRadius(position, waypoints_position[target], rotationRadius))
{//the ball is closer to the waypoint than the specified radius
SetRotationVariables();
}
else
{
MyVector3 deltaPos = movementDirection.Scale(Time.fixedDeltaTime * velocity);
float distanceFromWaypoint = MyVector3.Subtract(waypoints_position[target], position).Magnitude();
if (distanceFromWaypoint - deltaPos.Magnitude() <= rotationRadius)
{//the ball has moved closer than the specified radius on this frame
position = MyVector3.Subtract(waypoints_position[target], movementDirection.Scale(rotationRadius));
SetRotationVariables();
}
else
{//the ball has NOT moved closer than the specified radius on this frame
position = MyVector3.Add(position, deltaPos);
}
}
}
//place object in the scene
MoveGameObject();
}
