public void UpdatePicker(IColorable currentSelectable)
{
if (currentSelectable == null)
{
return;
}
if (currentSelectable.ColorFillArea)
{
_currentColor = currentSelectable.GetInlineAreaColor();
}
else
{
_currentColor = currentSelectable.GetPathColor();
}
_alpha.value = _currentColor.a;
Color.RGBToHSV(_currentColor, out _currentHue, out _currentSaturation, out _currentValue);
float hue = 360 * _currentHue;
Vector2 direction = CurveMath.Rotate(Vector2.right, hue);
_hueSelector.localPosition = direction.normalized * _hueRadius;
_image.color = Color.HSVToRGB(_currentHue, 1, 1);
Vector2 newPositon;
newPositon.x = _currentSaturation * _svRectWidth - _saturationValueRectWidth;
newPositon.y = _currentValue * _svRectWidth - _saturationValueRectWidth;
_colorSelector.localPosition = newPositon;
OnColorChanged?.Invoke(currentSelectable.GetInlineAreaColor(), currentSelectable.GetPathColor());
}
public void OnPointDragged(MovePointBehaviour.PointMoveEventArgs e)
{
var oldPoint = e.OldPoint;
var newPoint = e.NewPoint;
var index = Curve.IndexOf(e.OldPoint);
var prevPoint = Curve.Points[index - 1];
var biggestValueForY = double.MinValue;
var newCurve = Curve.Points.GetRange(0, Curve.Points.Count);
newCurve[index] = newPoint;
var lastPoint = newCurve[newCurve.Count - 1];
for (double x = 0; x < lastPoint.X; x++)
{
var y = CurveMath.SolveCubicSpline(newCurve, x);
if (biggestValueForY > y)
{
newPoint = oldPoint;
break;
}
if (y > biggestValueForY)
{
biggestValueForY = y;
}
}
e.NewPoint = newPoint;
Curve.Points[index] = e.NewPoint;
Points = CalculateNewPoints();
}
void SetInsertedHandlesPosition(BezierSegment insertedSegment, BezierSegment neighborSegment, BezierSegment segment)
{
int index = _currentHoverData.HoveredSegmentPointIndex;
Vector2 tangent = segment.Tangent(index - 1);
float segmentCount = segment.SegmentCount;
float quotient = (index / segmentCount);
Vector2 b = segment.SegmentPoints[index - 1];
insertedSegment.Point = b;
Vector2 q = CurveMath.GetPointOnLine(neighborSegment.SecondHandle, segment.FirstHandle, quotient);
Vector2 q0 = neighborSegment.MoveHandleCloserToPoint(1 - quotient, true);
segment.MoveHandleCloserToPoint(quotient, false);
Vector2 r0 = CurveMath.GetIntersectionPointCoordinates(q0, q - q0, b, tangent);
insertedSegment.SecondHandle = b + (b - r0) / index * (segmentCount - index);
insertedSegment.FirstHandle = r0;
_currentPathObject.UpdatePointsHandlesRenderer();
}
public virtual void OnDrawGizmos()
{
if (!ShowCurve || !P0 || !P1 || !P0_Tangent || !P1_Tangent)
{
return;
}
//draw tangents
Gizmos.color = new Color(1, 0, 0, 1.0f);
Gizmos.DrawLine(P0.transform.position, P0_Tangent.transform.position);
Gizmos.color = new Color(1, 0, 0, 1.0f);
Gizmos.DrawLine(P1.transform.position, P1_Tangent.transform.position);
//draw curve
Vector3 prevPos = P0.transform.position;
for (int c = 1; c <= Resolution; c++)
{
float t = (float)c / Resolution;
Vector3 currPos = CurveMath.CalculateBezierPoint(t, P0.transform.position, P0_Tangent.transform.position, P1_Tangent.transform.position, P1.transform.position);
Vector3 currTan = (currPos - prevPos).normalized;
float mag = (currPos - prevPos).magnitude;
Gizmos.color = new Color(0, 0, mag, 1);
Gizmos.DrawLine(prevPos, currPos);
prevPos = currPos;
}
}
public override bool OverPathObject()
{
Vector2 mousePosition = Program.Instance.GetMouseCanvasPosition();
// not over bounding box
if (!MouseOverObject())
{
return(false);
}
int crossings = 0;
for (int i = 0; i < _pointsSorted.Count - 1; i++)
{
float biggerY = _pointsSorted[i].y > _pointsSorted[i + 1].y ? _pointsSorted[i].y : _pointsSorted[i + 1].y;
bool isFound;
if (mousePosition.y <= biggerY)
{
if ((mousePosition.x >= _pointsSorted[i].x && mousePosition.x <= _pointsSorted[i + 1].x) || (mousePosition.x <= _pointsSorted[i].x && mousePosition.x >= _pointsSorted[i + 1].x))
{
if (mousePosition.y <= CurveMath.GetIntersectionPointCoordinates(_pointsSorted[i], _pointsSorted[i + 1], mousePosition, mousePosition + Vector2.up, out isFound).y)
{
if (isFound)
{
crossings++;
}
}
}
}
}
return(crossings % 2 == 1);
}
void BezierCurve(BezierSegment otherSegment)
{
int segments = SegmentCount;
for (int i = 1; i <= segments; i++)
{
float t = i / (float)segments;
Vector2 pointToAddWithZIsIndex = CurveMath.CalculateBezierPoint(t, otherSegment.Point, otherSegment.SecondHandle, FirstHandle, Point);
segmentPoints[i - 1] = pointToAddWithZIsIndex;
}
_pathObject.UpdateLineRenderer(this);
}
private void GetCorePoints(ref Vector3[] pos)
{
Vector3 prevPos = P0.transform.position;
pos[0] = prevPos;
float lastId = (float)(Resolution - 1);
for (int c = 1; c < Resolution; c++)
{
float t = c / lastId;
pos[c] = CurveMath.CalculateBezierPoint(t, P0.transform.position, P0_Tangent.transform.position, P1_Tangent.transform.position, P1.transform.position);
prevPos = pos[c];
}
}
public override List <PathPointData> GetPathData(float prevDistance, Vector3 prevPosition)
{
List <PathPointData> pathData = new List <PathPointData>();
int iterations = 20;
Vector3 prevPoint;
Vector3 currPoint;
float distance = prevDistance;
for (int nodeIndex = 0; nodeIndex < CurveNodes.Count - 1; nodeIndex++)
{
prevPoint = CurveNodes[nodeIndex].NodePosiion;
for (int i = 1; i <= iterations; i++)
{
currPoint = CurveMath.NodeLerpPostion(
CurveNodes[nodeIndex],
CurveNodes[nodeIndex + 1],
(float)i / (float)iterations);
pathData.Add(
new PathPointData(
distance,
prevPoint + prevPosition,
CurveMath.NodeLerpRotation(
CurveNodes[nodeIndex],
CurveNodes[nodeIndex + 1],
currPoint - prevPoint,
(float)i / (float)iterations)));
distance += (currPoint - prevPoint).magnitude;
prevPoint = currPoint;
}
}
pathData.Add(
new PathPointData(
distance,
CurveNodes[CurveNodes.Count - 1].NodePosiion + prevPosition,
CurveNodes[CurveNodes.Count - 1].GetMainRotation()));
return(pathData);
}
public void CalculateVelocityField()
{
VelocityField.Clear();
Vector3 prevPos = P0.transform.position;
for (int c = 1; c <= Resolution; c++)
{
float t = (float)c / Resolution;
Vector3 currPos = CurveMath.CalculateBezierPoint(t, P0.transform.position, P0_Tangent.transform.position, P1_Tangent.transform.position, P1.transform.position);
Vector3 currTan = (currPos - prevPos).normalized;
float mag = VelocityMagCurve.Evaluate(t);
VelocityFieldNode ti = new VelocityFieldNode();
ti.TargetPosition = prevPos;
ti.TargetVelocity = currTan;
ti.Mag = mag;
VelocityField.Add(ti);
prevPos = currPos;
}
}
public void OnPointDragged(MovePointBehaviour.PointMoveEventArgs e)
{
var oldPoint = e.OldPoint;
var newPoint = e.NewPoint;
var index = Curve.IndexOf(e.OldPoint);
var newCurve = Curve.Points.GetRange(0, Curve.Points.Count);
newCurve[index] = newPoint;
var firstPoint = newCurve[0];
var lastPoint = newCurve[newCurve.Count - 1];
var biggestValueForY = double.MinValue;
if (ValidateCurve)
{
for (double x = firstPoint.X + 0.01; x < lastPoint.X - 0.01; x++)
{
var y = CurveMath.SolveCubicSpline(newCurve, x);
if (y < biggestValueForY || newPoint.X >= lastPoint.X || newPoint.X <= firstPoint.X)
{
newPoint = oldPoint;
break;
}
if (y > biggestValueForY)
{
biggestValueForY = y;
}
}
}
e.NewPoint = newPoint;
Curve.Points[index] = e.NewPoint;
Points = CalculateNewPoints();
UpdateSelectedPoint();
}
void IsAnyOtherPointBelow(out bool isAnysmaller, Vector2 left, Vector2 right)
{
float leftY = left.y;
float leftX = left.x;
float rightY = right.y;
float rightX = right.x;
float _currentSmallest = float.MaxValue;
isAnysmaller = false;
for (int i = 2; i < _points.Count - 2; i++)
{
Vector2 currentPoint = _points[i];
if (currentPoint.x > leftX && currentPoint.x < rightX)
{
float currentY = currentPoint.y;
if (currentY < leftY && currentY < rightY)
{
Vector2 followingPoint = _points[i + 1];
Vector2 previousPoint = _points[i - 1];
if ((previousPoint.y > leftY && previousPoint.x > leftX && previousPoint.x < rightX) ||
(followingPoint.y > leftY && followingPoint.x > leftX && followingPoint.x < rightX))
{
bool found;
Vector2 intersection = CurveMath.GetIntersectionPointCoordinates(currentPoint, previousPoint, left, right, out found);
if (found && CurveMath.IsPointOnLine(left, right, intersection))
{
if (currentY < _currentSmallest)
{
_currentSmallest = currentY;
beneathIndex = i;
isAnysmaller = true;
}
}
}
}
}
}
}
private IEnumerable <Point> CalculateNewPoints()
{
var points = CurveMath.GetInterpolatedCubicSplinedCurve(Curve.Points);
return(points);
}
public double getY(double x)
{
return(CurveMath.SolveCubicSpline(curve.Points, x));
}
public void GetPositionAt(float val, ref Vector3 pos)
{
val = Mathf.Clamp(val, 0.0f, 1.0f);
pos = CurveMath.CalculateBezierPoint(val, P0.transform.position, P0_Tangent.transform.position, P1_Tangent.transform.position, P1.transform.position);
}
private void UpdateCurve()
{
var points = model.Curve.Points;
Points = CurveMath.GetInterpolatedCubicSplinedCurve(model.Curve.Points);
}
private IEnumerable <Point> CalculateNewPoints()
{
return(CurveMath.GetInterpolatedCubicSplinedCurve(Model.Points));
}