void SetCurrentDirection()
{
Tweak.Stats = "";
Tweak.Stats += "_animDirection: " + _animDirection.ToString() + "\r\n";
Tweak.Stats += "_movementDirection: " + _movementDirection.ToString() + "\r\n";
if (_movementDirection != Vector2.Zero)
{
// Get direction we are pushing
AnimationDirection newDirection = DirectionHelper.GetDirectionFromHeading(_movementDirection);
if (newDirection == _animDirection)
{
return;
}
if (newDirection == DirectionHelper.GetOppositeDirection(_animDirection))
{
// If pushing in the opposite direction to current facing, change instantly
_animDirection = newDirection;
PlayNewCharacterAnimation();
}
else
{
// Only change when our heading when velocity starts moving slightly towards our heading
Vector2 velocity = DynamicBody.LinearVelocity;
if (velocity.LengthSquared() < 0.01f)
{
return;
}
Vector2 normalHeading = Vector2.Normalize(_movementDirection);
Vector2 normalVelocity = Vector2.Normalize(velocity);
float directionDotProduct = Vector2.Dot(normalHeading, normalVelocity);
if (directionDotProduct > DIRECTION_CHANGE_THRESHOLD)
{
_animDirection = newDirection;
PlayNewCharacterAnimation();
}
}
}
}
void UpdateDirectionBasedOnVelocity()
{
if (_heading.LengthSquared() > 0.001f)
{
// Get direction enemy is moving
AnimationDirection newDirection = DirectionHelper.GetDirectionFromHeadingBiasHorizontal(_heading, 0.2f);
if (newDirection == _animDirection)
{
return;
}
if (newDirection == DirectionHelper.GetOppositeDirection(_animDirection))
{
// If moving in the opposite direction to current facing, change instantly
_animDirection = newDirection;
PlayNewEnemyAnimation();
}
else
{
// Only change when our heading when velocity starts moving slightly towards our heading
Vector2 velocity = DynamicBody.LinearVelocity;
if (velocity.LengthSquared() < 0.1f)
{
return;
}
// Avoid flickering
Vector2 normalHeading = Vector2.Normalize(_heading);
Vector2 normalVelocity = Vector2.Normalize(velocity);
float directionDotProduct = Vector2.Dot(normalHeading, normalVelocity);
if (directionDotProduct > DIRECTION_CHANGE_THRESHOLD)
{
_animDirection = newDirection;
PlayNewEnemyAnimation();
}
}
}
}