// TODO: Pass nodes into actual line draw thingy
public float GetConnectionCenterY(SF_NodeConnector cA, SF_NodeConnector cB)
{
Rect a = cA.node.rect;
Rect b = cB.node.rect;
if (cA.GetConnectionPoint().y > cB.GetConnectionPoint().y)
{
return(0.5f * (a.yMax + b.yMin));
}
else
{
return(0.5f * (b.yMax + a.yMin));
}
}
public static Vector2[] ConnectionBezierOffsetArray(float offset, SF_NodeConnector startCon, SF_NodeConnector endCon, int segments)
{
Vector2 start = startCon.GetConnectionPoint();
Vector2 end = endCon.GetConnectionPoint();
bool reversed = (start.x < end.x);
Vector2[] points;
int pCount = (segments + 1); // Point count per bezier
if (reversed)
{
points = new Vector2[pCount * 2]; // Two curves
}
else
{
points = new Vector2[pCount];
}
if (reversed)
{
// Calculate new start/end positions!
// We want an S shape, which essentially is two curves with a connected center
// Let's define the new points!
float midVert;
if (startCon.node.rect.center.y > endCon.node.rect.center.y)
{
midVert = (startCon.node.BoundsTop() + endCon.node.BoundsBottom()) / 2;
}
else
{
midVert = (startCon.node.BoundsBottom() + endCon.node.BoundsTop()) / 2;
}
float deltaX = Mathf.Abs(start.x - end.x);
float mul = Mathf.InverseLerp(0f, 100f, deltaX);
mul = SF_Tools.Smoother(mul) * 0.70710678118f;
Vector2 bAp0 = start; // Start Point
Vector2 bAp3 = new Vector2(start.x, midVert); // End Point
float tangentMag = Mathf.Abs(bAp0.y - bAp3.y) * mul; // TODO: Scale based on length if smaller than something
Vector2 tangentVec = new Vector2(tangentMag, 0f);
Vector2 bAp1 = bAp0 - tangentVec; // Start Tangent
Vector2 bAp2 = bAp3 - tangentVec; // End Tangent
for (int i = 0; i < pCount; i++)
{
float t = (float)i / (float)segments;
points[i] = CubicBezierOffset(offset, bAp0, bAp1, bAp2, bAp3, t);
}
// Second line! Let's go
Vector2 bBp0 = new Vector2(end.x, midVert); // Start Point
Vector2 bBp3 = end; // End Point
tangentMag = Mathf.Abs(bBp0.y - bBp3.y) * mul; // TODO: Scale based on length if smaler than something
tangentVec = new Vector2(tangentMag, 0f);
Vector2 bBp1 = bBp0 + tangentVec; // Start Tangent
Vector2 bBp2 = bBp3 + tangentVec; // End Tangent
for (int i = 0; i < pCount; i++)
{
float t = (float)i / (float)segments;
points[i + pCount] = CubicBezierOffset(offset, bBp0, bBp1, bBp2, bBp3, t);
}
}
else
{
for (int i = 0; i < pCount; i++)
{
float t = (float)i / (float)segments;
points[i] = ConnectionBezierOffset(offset, start, end, t);
}
}
return(points);
}
