private void FixedUpdate()
{
Vector3 forceToOrigin = /*Vector3.zero*/ -transform.localPosition;
physicsObject.AddForce(forceToOrigin);
if (Shake && Settings.SHAKE)
{
physicsObject.AddForce(Random.insideUnitSphere * scale);
}
Vector3 origin = transform.position;
Parallel.For(0, particles.Count, i => { //greatly speeds up the calculation for higher period elements
//for (int i = 0, len = particles.Count; i < len; i++) {
//{
//find the distance from origin
Vector3 diffOrgin = origin - particles[i].PhysicsObj.Position;
//calculate the force to center ( clamp is used so particles slow near center
Vector3 forceToCenter = Vector3.ClampMagnitude(diffOrgin.normalized * (PARTICLE_SPEED * scale), diffOrgin.sqrMagnitude);
particles[i].PhysicsObj.AddForce(forceToCenter);
for (int j = 0; j < i; j++)
{
//find the distance between particles
Vector3 diffOther = particles[i].PhysicsObj.Position - particles[j].PhysicsObj.Position;
//rare occurance, but seperate from identical other
if (diffOther.sqrMagnitude < 0.0001f)
{
particles[i].PhysicsObj.AddForce(Vector3.one * Mathf.Epsilon);
}
//calculate the amount of overlap
float overlap = diffOther.magnitude - (2 * particles[i].Radius); //radius is the same for both
//check if actually overlapping
if (overlap < 0)
{
//add force to seperate
Vector3 forceToSeperate = diffOther.normalized * overlap * PARTICLE_SPEED * scale;
//apply forces to the particles
particles[i].PhysicsObj.AddForce(-forceToSeperate);
particles[j].PhysicsObj.AddForce(forceToSeperate);
}
}
//}
});
}
public void ApplyForce(Vector2 force)
{
if (_physics.IsStatic == false)
{
_physics.AddForce(force);
}
}
private void Knockback(Vector2 dir)
{
dir = new Vector2(dir.x, 3.0f);
physicsObject.SetVelocity(Vector3.zero);
physicsObject.grounded = false;
physicsObject.AddForce(dir * Time.deltaTime);
}
//Controls the player moving up and down a rope
private void VerticalInput()
{
if (touchingRope)
{
if (Input.GetKey(KeyCode.UpArrow))
{
if (!climbing)
{
InitClimbing();
}
verInput = PlayerCharacter.Instance.ClimbSpeed * Time.deltaTime;
}
else if (Input.GetKey(KeyCode.DownArrow))
{
if (!climbing)
{
InitClimbing();
}
verInput = -PlayerCharacter.Instance.ClimbSpeed * Time.deltaTime;
}
else
{
verInput = 0f;
}
}
else if (climbing) //If you're not touching the rope, but still technically climbing
{
climbing = false; //no longer climbing
physicsObject.SetVelY(0f); //reset your velocity
if (verInput > 0) //If you were climbing up
{
physicsObject.AddForce(new Vector3(0f, PlayerCharacter.Instance.ClimbSpeed * Time.fixedDeltaTime / 3.0f, 0f)); //Give the player a little boost so they can get up to the platform
}
verInput = 0f;
physicsObject.enableGravity = true; //Reenable gravity
physicsObject.disableGroundedCheck = false;
}
}
public override void ApplyForce()
{
// Get the direction between the two objects
direction = objectA.Position - objectB.Position;
if (direction != Vector3.zero)
{
// Get the length and direction to calculate spring force
currLength = direction.magnitude;
direction.Normalize();
// Apply spring force and damping
// Hooke's Law: -k * x where k is a constant and x is the length
// Damped oscillator: this means the damping is proportional to the
// velocity in a harmonic oscillator (spring).
Vector3 v = objectA.Velocity - objectB.Velocity;
Vector3 force = -stiffness * ((currLength - restLength) * direction);
force += -damping *Vector3.Dot(v, direction) * direction;
// Apply the equal force to both objects, but opposite directions
objectA.AddForce(force);
objectB.AddForce(-force);
}
}
public void AddForceAndNormal(Vector3 force, PhysicsObject offender)
{
forces.Add(force);
offender.AddForce(-force);
}
// Update is called once per frame
void Update () {
if (Input.GetKey(TestKey))
physics.AddForce(TestForce);
}