private void RotateBulletToNewDirectionIfNeeded(BulletTriggerEffect effect, Vector2 direction)
{
// If we need to rotate the bullet to it's flying direction
if (effect.RotateToNewDirection)
{
RotateBulletToNewDirection(direction);
}
}
private void ApplyDirectionalEffects(BulletTriggerEffect effect)
{
float speed = (Velocity.magnitude);
Vector2 direction = GetNewDirectionForBullet(effect);
Velocity = speed * direction;
RotateBulletToNewDirectionIfNeeded(effect, direction);
}
private void ApplyEffects(BulletTriggerEffect effect)
{
// Change the acceleration if we need to.
if (effect.applyAcceleration)
{
AccelerationSpeed = effect.triggerAcceleration;
}
if (effect.applyRotationalAcceleration)
{
RotationAccelerationSpeed = effect.triggerRotationalAcceleration;
}
if (effect.applyRotation)
{
RotationSpeed = effect.triggerRotationSpeed;
}
ApplySpeedAndDirectionByEffect(effect);
}
private Vector2 GetNewDirectionForBullet(BulletTriggerEffect effect)
{
Vector2 direction;
// If we need to make the bullet fly towards the player.
if (effect.DirectionTargetPlayer)
{
var target = Player.Instance.transform;
// Find out how much this bullet would have to rotate.
Quaternion rotation = Quaternion.LookRotation(target.position - transform.position, Vector3.up);
direction = (target.position - transform.position).normalized;
}
else
{
direction = effect.NewDirection.normalized;
}
return(direction);
}
private void ApplySpeedAndDirectionByEffect(BulletTriggerEffect effect)
{
// If we need to change both the speed and the direction.
if (effect.applySpeed && effect.changeDirection)
{
// Apply both at once.
float speed = effect.triggeredSpeed;
Vector2 direction = GetNewDirectionForBullet(effect);
Velocity = speed * direction;
RotateBulletToNewDirectionIfNeeded(effect, direction);
}
else if (effect.applySpeed)
{
// Apply speed only.
Velocity = Velocity.normalized * effect.triggeredSpeed;
}
else if (effect.changeDirection)
{
// Change direction only.
ApplyDirectionalEffects(effect);
}
}
