private void ApplyMagnetAttractions(MagnetState state, float deltaSeconds)
{
if (state != MagnetState.None)
{
for (int i = 0; i < _magnetTrackingZone.ObjectsInArea.Count; i++)
{
GameObject go = _magnetTrackingZone.ObjectsInArea[i];
Vector3 positionDifference = Transform.Position - go.Transform.Position;
float distanceAttenuationFactor = (float)Math.Pow(1 - (positionDifference.Length() / Radius), 2.0);
distanceAttenuationFactor = Math.Max(0, distanceAttenuationFactor);
Magnet magnet = go.GetComponent <Magnet>();
Vector3 forceDir = Vector3.Normalize(positionDifference);
if (magnet.State != state)
{
forceDir *= -1f;
}
float totalStrength = MagnetStrength + magnet.Strength;
Vector3 frameImpulse = forceDir * totalStrength * distanceAttenuationFactor * deltaSeconds;
magnet.SetCurrentImpulse(frameImpulse);
_ballCollider.Entity.LinearMomentum += frameImpulse;
Collider otherCollider = go.GetComponent <Collider>();
otherCollider.Entity.LinearMomentum += -frameImpulse;
}
}
}
private new void Start()
{
base.Start();
state = MagnetState.SHOOT;
if (speed == 0)
{
speed = 10.0f;
}
if (returnSpeed == 0)
{
returnSpeed = speed * 2.0f;
}
body = GetComponent <Rigidbody>();
if (body != null)
{
body.velocity = transform.forward * speed;
}
else
{
Debug.Log("Body for magnet missile not created");
}
}
private void SetParticleState(MagnetState state)
{
if (_magnetParticles != null)
{
_magnetParticles.ColorTint = state == MagnetState.Red ? RgbaFloat.Red : state == MagnetState.Blue ? RgbaFloat.Blue : RgbaFloat.LightGrey;
}
}
//_/_/_/_/_/_/_/_/_/_/_/_/_/_/
// CoreCube API < recv >
//_/_/_/_/_/_/_/_/_/_/_/_/_/_/
protected override void Recv_sensor(byte[] data)
{
base.Recv_sensor(data);
int type = data[0];
// Motion Sensor https://toio.github.io/toio-spec/docs/2.2.0/ble_sensor
if (1 == type)
{
var _shakeLevel = data[5];
if (_shakeLevel != this.shakeLevel)
{
this.shakeLevel = _shakeLevel;
this.shakeCallback.Notify(this);
}
}
// Magnetic Sensor https://toio.github.io/toio-spec/docs/2.2.0/ble_magnetic_sensor
else if (2 == type)
{
var _magnetState = (MagnetState)data[1];
if (this.magneticSensorRequest != null)
{
this.magneticSensorRequest.hasReceivedData = true;
}
this._magnetState = _magnetState;
if (this.magneticMode == MagneticMode.MagnetState)
{
this.magnetStateCallback.Notify(this);
}
}
}
protected override void OnTriggerEnter(Collider other)
{
if (state == MagnetState.RETURN)
{
return;
}
switch (other.gameObject.layer)
{
case GameLayer.Units:
{
Unit targetUnit = other.GetComponent <Unit>();
if (targetUnit != null && owner != targetUnit)
{
float distance = (owner.transform.position - targetUnit.transform.position).magnitude;
if (distance <= repellDistance)
{
targetUnit.body.velocity += owner.view_direction * repellPower;
}
else
{
targetUnit.body.velocity += -owner.view_direction * attractPower;
}
GameObject.Destroy(this.gameObject);
Debug.Log("Missile deleted by collision");
return;
}
break;
}
case GameLayer.Items:
{
Item targetItem = other.GetComponent <Item>();
if (targetItem != null && targetItem.magnetic)
{
state = MagnetState.RETURN;
carryItem = targetItem;
carryItem.transform.SetParent(transform);
carryItem.transform.localPosition = Vector3.zero;
if (carryItem.body)
{
carryItem.body.detectCollisions = false;
carryItem.body.useGravity = false;
carryItem.body.constraints = RigidbodyConstraints.FreezeAll;
}
return;
}
break;
}
}
}
private void ReportUp()
{
if (currentMagnetState == MagnetState.Down)
{
currentMagnetState = MagnetState.Up;
OnUp(this);
if (vibrateOnUp)
{
Handheld.Vibrate();
}
CheckForClick();
}
}
private void ReportDown()
{
if (currentMagnetState == MagnetState.Up)
{
currentMagnetState = MagnetState.Down;
OnDown(this);
if (vibrateOnDown)
{
Handheld.Vibrate();
}
clickStartTime = Time.time;
}
}
public override void Update(float deltaSeconds)
{
MagnetState newState = MagnetState.None;
if (_input.GetMouseButton(Veldrid.Platform.MouseButton.Left))
{
newState = MagnetState.Red;
}
else if (_input.GetMouseButton(Veldrid.Platform.MouseButton.Right))
{
newState = MagnetState.Blue;
}
SetParticleState(newState);
ApplyMagnetAttractions(newState, deltaSeconds);
}
private void ReportUp()
{
if (currentMagnetState == MagnetState.Down) {
currentMagnetState = MagnetState.Up;
OnUp(this);
#if UNITY_ANDROID && !UNITY_EDITOR
if (vibrateOnUp) Handheld.Vibrate();
#endif
CheckForClick();
}
}
private void ReportDown()
{
if (currentMagnetState == MagnetState.Up) {
currentMagnetState = MagnetState.Down;
OnDown(this);
#if UNITY_ANDROID && !UNITY_EDITOR
if (vibrateOnDown) Handheld.Vibrate();
#endif
clickStartTime = Time.time;
}
}
GameObject lasthit = null; //last magnetizable object
void FixedUpdate()
{
// Moving the arm.
mousePos = Camera.main.ScreenToWorldPoint(
new Vector3(Input.mousePosition.x, Input.mousePosition.y, transform.position.z)
);
relPos = Camera.main.ScreenToWorldPoint(Input.mousePosition) - transform.position;
relPos.Normalize();
rot_z = Mathf.Atan2(relPos.y, relPos.x) * Mathf.Rad2Deg;
transform.rotation = Quaternion.Euler(0f, 0f, rot_z + 90);
// Magnetism! Magic!
if (!Input.GetMouseButton(0))
{
magnetState = MagnetState.Off;
}
switch (magnetState)
{
// TODO: Switch the threshold logic to just adding a FixedJoint between gun and box on collision
case MagnetState.On:
hit = Physics2D.CircleCast(tip.position, 1, relPos, magnetStrength, magneticLayer);
if (hit && hit.rigidbody.gameObject.GetComponent <BlockController>().blockProperty != BlockController.BlockProperty.Stuck)
{
//magnetState = MagnetState.Pulling;
if (hit.distance > threshold)
{
// Pull!
// TODO: Add pulling particles?
hit.rigidbody.velocity = -relPos * magnetSpeed; // magnetStrength;
hit.rigidbody.gravityScale = 0; // Gravity removal, so it keeps getting pulled. Physics be damned.
}
else
{
// Sticky sticky!
attached = hit.rigidbody.gameObject;
magnetState = MagnetState.Attached;
}
}
break;
//case MagnetState.Pulling:
//break;
case MagnetState.Attached:
//hit.rigidbody.velocity = Vector2.zero;
// TODO: Add attached particles to box?
attached.transform.parent = transform.parent.transform; // ...just transform?
attached.GetComponent <Rigidbody2D>().gravityScale = 0f; // block have stay float -by feihei
//attached.transform.position = tip.position;
//part of Snap code -by feihei
attached.layer = LayerMask.NameToLayer("GrabbedBox"); //there's a lot of prlblem when player able to collide box when it's attached so I make it so it won't - by feihei
attached.GetComponent <blockSnap>().snapGrid = null;
if (attached.GetComponent <blockSnap>() && snapWhenMagnet)
{
attached.transform.position = new Vector2(attached.transform.position.x, tip.position.y);
attached.GetComponent <blockSnap>().manualSnap(tip.position, attached);
}
else
{
attached.transform.position = tip.position;
}
break;
case MagnetState.Off:
if (Input.GetMouseButton(0))
{
magnetState = MagnetState.On;
}
if (attached)
{
attached.layer = attached.GetComponent <BlockController>().orgLayer;
attached.transform.parent = null;
attached.GetComponent <Rigidbody2D>().gravityScale = attached.GetComponent <BlockController>().orgGravity; // reset gravity. Hard coding is smart, yes? :(
}
break;
}
}
void Start()
{
sr = GetComponent <SpriteRenderer>();
magnetState = MagnetState.Off;
}
