public Vector3[] GetSegmentPoints(Vector3 worldPoint)
{
Vector3[] res = new Vector3[2];
Vector3 initSegment = Vector3.zero;
Vector3 endSegment = Vector3.zero;
BranchPoint nearestPoint = GetNearestPointFrom(worldPoint);
BranchPoint nextPoint = nearestPoint.GetNextPoint();
BranchPoint previousPoint = nearestPoint.GetPreviousPoint();
if (nextPoint != null && previousPoint != null)
{
float distanceToNextPoint = (worldPoint - nextPoint.point).magnitude;
float distanceToPreviousPoint = (worldPoint - previousPoint.point).magnitude;
if (distanceToNextPoint <= distanceToPreviousPoint)
{
initSegment = nearestPoint.point;
endSegment = nextPoint.point;
}
else
{
initSegment = previousPoint.point;
endSegment = nearestPoint.point;
}
}
res[0] = initSegment;
res[1] = endSegment;
return(res);
}
//private Vector3 GetNewLeafUpward()
//{
// Vector3 oldForward = leaves[i].lpForward;
// Vector3 newLeafPosition = Vector3.LerpUnclamped(previousPoint.point, nextPoint.point, leaves[i].displacementFromInitSegment);
// float angle = Vector3.Angle(oldForward, newForward);
// Vector3 axis = cameraForward;
// Vector3 crossNewForwardOldForward = Vector3.Cross(newForward, oldForward);
// float sign = Mathf.Sign(Vector3.Dot(crossNewForwardOldForward, cameraForward));
// Vector3 newUpward = Quaternion.AngleAxis(angle * -sign, axis) * leaves[i].lpUpward;
// return newUpward;
//}
public void RepositionLeavesAfterAdd02(BranchPoint newPoint)
{
BranchPoint previousPoint = newPoint.GetPreviousPoint();
BranchPoint nextPoint = newPoint.GetNextPoint();
List <LeafPoint> leaves = new List <LeafPoint>();
GetLeavesInSegment(previousPoint, leaves);
//leaves.AddRange(GetLeavesInSegment(removedPoint));
Vector3 dirSegment01 = (newPoint.point - previousPoint.point).normalized;
Vector3 dirSegment02 = (nextPoint.point - newPoint.point).normalized;
for (int i = 0; i < leaves.Count; i++)
{
Vector3 oldLeafVector01 = leaves[i].point - branchPoints[leaves[i].initSegmentIdx].point;
Vector3 oldLeafVector02 = leaves[i].point - branchPoints[leaves[i].endSegmentIdx].point;
Vector3 projectionOnSegment01 = previousPoint.point + dirSegment01 * Vector3.Dot(oldLeafVector01, dirSegment01);
Vector3 projectionOnSegment02 = nextPoint.point + dirSegment02 * Vector3.Dot(oldLeafVector02, dirSegment02);
Vector3 newLeafPositionToNewPoint = newPoint.point - projectionOnSegment01;
if (Vector3.Dot(newLeafPositionToNewPoint, dirSegment01) >= 0)
{
leaves[i].SetValues(projectionOnSegment01, leaves[i].lpLength, dirSegment01, leaves[i].lpUpward, leaves[i].chosenLeave, previousPoint, newPoint);
}
else
{
leaves[i].SetValues(projectionOnSegment02, leaves[i].lpLength, dirSegment02, leaves[i].lpUpward, leaves[i].chosenLeave, newPoint, nextPoint);
}
}
}
public void RepositionLeavesAfterRemove02(BranchPoint removedPoint)
{
BranchPoint previousPoint = removedPoint.GetPreviousPoint();
BranchPoint nextPoint = removedPoint.GetNextPoint();
List <LeafPoint> leaves = GetLeavesInSegment(previousPoint);
leaves.AddRange(GetLeavesInSegment(removedPoint));
for (int i = 0; i < leaves.Count; i++)
{
Vector3 pointToLeaf = leaves[i].point - previousPoint.point;
Vector3 newSegmentDir = (nextPoint.point - previousPoint.point).normalized;
float dotProduct = Vector3.Dot(pointToLeaf, newSegmentDir);
Vector3 newLeafPosition = previousPoint.point + newSegmentDir * dotProduct;
//leaves[i].point = newLeafPosition;
leaves[i].SetValues(newLeafPosition, leaves[i].lpLength, previousPoint.initialGrowDir,
-previousPoint.grabVector, leaves[i].chosenLeave, previousPoint, nextPoint);
//leaves[i].lpLength = 0f;
}
}
