private static float GetTimeOfImpactPlane(BallBounce bounce, Plane plane)
{
Vector3 center = bounce.transform.position;
float distanceBefore = plane.DistanceTo(center - bounce.velocity) - bounce.GetRadius();
float distanceAfter = plane.DistanceTo(center) - bounce.GetRadius();
float t = -(distanceBefore * Time.deltaTime) / (distanceAfter - distanceBefore);
return(t);
}
private static void ResolveCollisionPlane(BallBounce bounce, Plane plane)
{
Vector3 velocity = bounce.velocity;
Vector3 perpendicular = plane.PerpToSurface(velocity);
Vector3 parallel = plane.ParallelToSurface(velocity);
float timeOfImpact = SetTimeOfImpactPositionPlane(bounce, plane);
Vector3 center = bounce.transform.position;
float distance = plane.DistanceTo(center) - bounce.GetRadius();
bounce.velocity = ((parallel * bounce.coefficientOfRestitution) - perpendicular);
bounce.transform.position = (center + (bounce.velocity * timeOfImpact)) + (distance * perpendicular.normalized);
}
private static void CollisionCheckSphere(int currentIndex)
{
BallBounce bounce1 = _ballBounces[currentIndex];
float radius1 = bounce1.GetRadius();
Vector3 center1 = bounce1.transform.position;
for (int i = currentIndex + 1; i < _ballBounces.Length; i++)
{
BallBounce bounce2 = _ballBounces[i];
float radius2 = bounce2.GetRadius();
Vector3 center2 = bounce2.transform.position;
float distance = (center2 - center1).magnitude - (radius1 + radius2);
if (distance < CollisionDistance)
{
ResolveCollisionSphere(bounce1, bounce2);
}
}
}
private static void CollisionCheckPlane(int currentIndex)
{
BallBounce currentBounce = _ballBounces[currentIndex];
for (int i = 0; i < _planes.Length; i++)
{
Plane currentPlane = _planes[i];
float distance = currentPlane.DistanceTo(currentBounce.transform.position) - currentBounce.GetRadius();
if (distance < CollisionDistance)
{
ResolveCollisionPlane(currentBounce, currentPlane);
}
}
}
