public void Update(float aDeltaTime, float aTimeScale) { if (_enableRotation) { Angle += _angularSpeed * aDeltaTime * aTimeScale; _angularSpeed += _accel * aDeltaTime * aTimeScale; _angularSpeed *= _drag; } else if (_animateAngle) { float delta = _particle.CurrentLifeTime / _particle.LifeTime; Angle = AntMath.LerpAngleDeg(_startAngle, _endAngle, _curve.Evaluate(delta)); } }
private void UpdateMovement() { if (AntMath.Distance(_currentPoint, (Vector2)_t.position) < 0.5f) { // Arrived to the current way point. _pointIndex++; if (_pointIndex < _route.Count) { // Move to next one. _currentPoint = _route[_pointIndex]; } else { // This is end of the way. float dist = AntMath.Distance(_currentPoint, (Vector2)_t.position); if (dist < 0.5f) { // Enable break. _speed = AntMath.Lerp(_speed, 0.0f, 1.0f - breakCurve.Evaluate(dist / 0.5f)); _isBrake = true; } if (AntMath.Equal(_speed, 0.0f, 0.1f)) { // Absolutely arrived. StopMove(); if (EventArrived != null) { EventArrived(this); } } } _steeringTime = 0.0f; _isSteering = false; } float targetAngle = AntMath.Angle(AntMath.AngleDeg(_t.position, _currentPoint)); _debugTargetAngle = targetAngle * AntMath.RADIANS; float angleDiff = AntMath.AngleDifference(Angle, targetAngle) * AntMath.DEGREES; // If our direction incorrect. if (!AntMath.Equal(angleDiff, 0.0f, 0.01f) && !_isSteering) { // Correct our angle to the current way point. _isSteering = true; _steeringTime = 0.0f; _totalSteeringTime = totalSteeringTime * (1.0f - Mathf.Abs(angleDiff / 360.0f)); } // Acceleration! if (!_isBrake && _accelerationTime < totalAccelTime) { _accelerationTime += Time.deltaTime; _speed = AntMath.Lerp(_speed, moveSpeed, accelCurve.Evaluate(_accelerationTime / totalAccelTime)); } // Correction of the angle. if (_isSteering) { _steeringTime += Time.deltaTime; Angle = AntMath.LerpAngleDeg(Angle, targetAngle, steeringCurve.Evaluate(_steeringTime / _totalSteeringTime)); if (AntMath.Equal(angleDiff, 0.0f, 0.01f)) { _isSteering = false; _steeringTime = 0.0f; } } // Movement. float ang = Angle * AntMath.RADIANS; Velocity = new Vector2(_speed * Mathf.Cos(ang), _speed * Mathf.Sin(ang)); }