private void Update()
{
if (Input.GetMouseButtonDown(0))
{
lastSegmentPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
lastSegmentPosition.z = 0;
var stemPositions = new List <Vector3>();
stemPositions.Add(lastSegmentPosition);
mainStem.SetStemPositions(stemPositions);
}
else if (Input.GetMouseButton(0))
{
var newPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
newPosition.z = 0;
var delta = newPosition - lastSegmentPosition;
if (delta.magnitude > segmentLength)
{
lastSegmentPosition = newPosition;
mainStem.AddStemPosition(newPosition);
}
}
if (Input.GetMouseButtonDown(1))
{
mainStem.RemoveStemPosition();
}
}
void Update()
{
Vector3 newHeadPosition = head.transform.position;
if (Vector3.Distance(lastHeadPosition, newHeadPosition) > growthThreashold)
{
lastHeadPosition = newHeadPosition;
stem.AddStemPosition(newHeadPosition);
}
int expectedLeavesCount = stem.Length() / spawnLeafEverySegments;
if (expectedLeavesCount > leaves.Count)
{
// There should be more leaves. Spawn a new one
Leaf leaf = Instantiate(leafPrefab);
leaf.name = "Leaf " + leaves.Count;
leaf.transform.position = stem.GetHeadPosition();
leaf.transform.parent = transform;
leaf.flip = leaves.Count % 2 != 0;
Vector3 growDirection = stem.GetGrowthDirection();
Vector3 leafDirection = new Vector3(growDirection.y, -growDirection.x, growDirection.z);
leaf.transform.right = leafDirection;
leaf.Spawn(stem.Length());
leaves.Add(leaf);
}
else if (expectedLeavesCount < leaves.Count && leaves.Count > 0)
{
// There is too many leaves. Remove the last one
int last = leaves.Count - 1;
Destroy(leaves[last]);
leaves.RemoveAt(last);
}
foreach (var l in leaves)
{
l.Grow(stem.Length());
}
}
