IEnumerator SmallSnowFlakesParticlesRoutine2(GameObject target, Vector2 offset, float range, int duration)
{
while (target?.parent != null)
{
for (int i = 0; i < _smallSnowFlakes2.Length; i++)
{
var pos = MRandom.InsideUnitCircle() * range;
var snow = _smallSnowFlakes2[i];
target.parent.AddChild(snow);
snow.Show(target, pos, offset);
yield return(new WaitForMilliSeconds(duration / _smallSnowFlakes2.Length));
}
}
}
void Update()
{
if (!Enabled)
{
return;
}
Vector2 pos = new Vector2(this.x, this.y);
if (_followEnabled && _target != null)
{
Vector2 targetP = new Vector2(_target.x, _target.y);
if (_hasSpeedListener)
{
//Target point is in front of target, set offset
float dist = Mathf.Map(_iHasSpeed.Speed, 0, _iHasSpeed.MaxSpeed, 0, TargetFrontDistance);
//TODO: make IHasSpeed has a Vector2 _forward
float xDir = Mathf.Cos(_target.rotation.DegToRad());
float yDir = Mathf.Sin(_target.rotation.DegToRad());
targetP = targetP + (new Vector2(xDir, yDir)) * dist;
}
Vector2 targetDirection = (targetP - pos);
float directionMag = targetDirection.Magnitude;
if (directionMag > 0)
{
interpVelocity = directionMag * speed;
float lastX = _targetPos.x;
float lastY = _targetPos.y;
_targetPos = pos + (targetDirection.Normalized * interpVelocity * Time.delta);
if (_targetPos.x - MyGame.HALF_SCREEN_WIDTH < 0 || _targetPos.x + MyGame.HALF_SCREEN_WIDTH > _map.MapWidthInPixels)
{
_targetPos.x = lastX;
}
if (_targetPos.y - MyGame.HALF_SCREEN_HEIGHT < 0 || _targetPos.y + MyGame.HALF_SCREEN_HEIGHT > _map.MapHeightInPixels)
{
_targetPos.y = lastY;
}
//var nextPos = Vector2.Lerp(pos, targetPos + offset, 0.25f);
// float nextX = Easing.Ease(Easing.Equation.CubicEaseOut, 1, pos.x, _targetPos.x, 4);
// float nextY = Easing.Ease(Easing.Equation.CubicEaseOut, 1, pos.y, _targetPos.y, 4);
float nextX = pos.x + Easing.Ease(Easing.Equation.CubicEaseOut, 1, 0, _targetPos.x - pos.x, 4);
float nextY = pos.y + Easing.Ease(Easing.Equation.CubicEaseOut, 1, 0, _targetPos.y - pos.y, 4);
this.SetXY(nextX, nextY);
}
}
pos.x = x;
pos.y = y;
if (shakeDuration > 0)
{
var shakePos = pos + MRandom.InsideUnitCircle() * shakeAmount;
shakeDuration -= Time.deltaTime * decreaseFactor;
SetXY(shakePos.x, shakePos.y);
}
else
{
shakeDuration = 0f;
SetXY(pos.x, pos.y);
}
//Debug
float lScale = scale;
if (Input.GetKey(Key.W))
{
lScale -= 5 * Time.delta;
}
else if (Input.GetKey(Key.S))
{
lScale += 5 * Time.delta;
}
else if (Input.GetKey(Key.X))
{
lScale = 1;
}
scale = Mathf.Clamp(lScale, 0.01f, 100);
}
