public void Execute(int index)
{
// If index is different, this means this line entity was already in the
// array, there for this is a duplicate and we can skip it.
if (LineEntities.IndexOf <Entity>(LineEntities[index]) != index)
{
return;
}
newKnotData = Ecb.SetBuffer <LineKnotData>(index, LineEntities[index]);
line = Lines[LineEntities[index]];
lineProfile = LineProfiles.Exists(line.Profile) ? LineProfiles[line.Profile] : LineProfile.Default();
var b1 = BezierData[index].B1;
var b2 = BezierData[index].B2;
SetKnotsForBezier(b1);
if (!b1.c2.IsCloseTo(b2.c2, lineProfile.KnotSpacing))
{
SetKnotsForBezier(new float3x3(b1.c2, math.lerp(b1.c2, b2.c2, 0.5f), b2.c2));
}
SetKnotsForBezier(b2, true);
AdjustHeight(HeightBezierData[index]);
var jpA = LineJoinPoints[index].A;
var jpB = LineJoinPoints[index].B;
if (newKnotData.Length > 0)
{
jpA.Pivot = newKnotData[0].Position;
jpB.Pivot = newKnotData[newKnotData.Length - 1].Position;
}
LineJoinPoints[index] = new JoinPointPair {
A = jpA, B = jpB
};
}
public void Execute(int index)
{
var modifiers = LineTool.Data.Modifiers;
var jp1 = LineJoinPoints[index].A;
var jp2 = LineJoinPoints[index].B;
var pointAIsConnected = JoinPoints.Exists(jp1.JoinToPointEntity);
var pointBIsConnected = JoinPoints.Exists(jp2.JoinToPointEntity);
var pointA = jp1.Pivot;
var pointB = jp2.Pivot;
// Two curves b1, b2
float3x3 b1, b2;
// c0 is the origin
b1.c0 = pointA;
b2.c0 = pointB;
// If join points invalid or not connected initialise to facing other point
jp1.Direction = jp1.Direction.Equals(float3.zero) ||
float.IsNaN(jp1.Direction.x) ||
!pointBIsConnected && !pointAIsConnected
? Normalize(pointB - pointA)
: jp1.Direction;
jp2.Direction = jp2.Direction.Equals(float3.zero) ||
float.IsNaN(jp2.Direction.x) ||
!pointAIsConnected && !pointBIsConnected
? Normalize(pointA - pointB)
: jp2.Direction;
var forwards = new float3x2(jp1.Direction, jp2.Direction);
var distances = new float2(
Distance(pointA, pointB, forwards.c0),
Distance(pointB, pointA, forwards.c1));
var scales = new float2(
Scale(modifiers.From.Size, distances.x),
Scale(modifiers.To.Size, distances.y));
if (pointAIsConnected && !pointBIsConnected)
{
distances.y = 0f;
b1.c1 = GetOrigin();
jp2.Direction = Normalize(b1.c1 - b2.c0);
b1.c2 = Target(b1.c1, b2.c0, distances.x, distances.y, scales.x, scales.y, modifiers.From.Ratio);
b2.c2 = b2.c1 = b2.c0;
}
else if (!pointAIsConnected && pointBIsConnected)
{
distances.x = 0f;
b2.c1 = GetEnd();
// Do Rotate
jp1.Direction = Normalize(b2.c1 - b1.c0);
b2.c2 = Target(b2.c1, b1.c0, distances.y, distances.x, scales.y, scales.x, modifiers.To.Ratio);
b1.c2 = b1.c1 = b1.c0;
}
else
{
if (!pointAIsConnected)
{
jp1.Direction = Normalize(b2.c0 - b1.c0);
}
if (!pointBIsConnected)
{
jp2.Direction = Normalize(b1.c0 - b2.c0);
}
b1.c1 = GetOrigin();
b2.c1 = GetEnd();
b1.c2 = Target(b1.c1, b2.c1, distances.x, distances.y, scales.x, scales.y, modifiers.From.Ratio);
b2.c2 = Target(b2.c1, b1.c1, distances.y, distances.x, scales.y, scales.x, modifiers.To.Ratio);
}
BezierData[index] = new BezierData
{
B1 = b1,
B2 = b2
};
LineJoinPoints[index] = new JoinPointPair
{
A = jp1,
B = jp2
};
float3 GetOrigin()
{
return(GetControlPoint(forwards.c0, pointA, distances.x, scales.x, modifiers.From.Ratio));
}
float3 GetEnd()
{
return(GetControlPoint(forwards.c1, pointB, distances.y, scales.y, modifiers.To.Ratio));
}