private int NextIndex(int i, int j, int uOrder, int vOrder, int width, JoinType joinType)
{
int u = i, v = 0;
switch (joinType)
{
case JoinType.FirstVRow:
u = i;
v = j;
break;
case JoinType.LastVRow:
u = i;
v = vOrder - j;
break;
case JoinType.FirstURow:
u = j;
v = i;
break;
case JoinType.LastURow:
u = uOrder - j;
v = i;
break;
}
return(BezierGenerator.DoubleCoordinatesToIndex(u, v, width));
}
private void CreateURow(BezierGenerator target, int addIndex)
{
if (addIndex > target.uOrder + 1)
{
return;
}
for (int i = 0; i <= target.vOrder; i++)
{
int index = BezierGenerator.DoubleCoordinatesToIndex(addIndex, i, target.uOrder + 2);
target.controlPoints.Insert(index, Vector3.zero);
}
target.uOrder++;
}
private void OnSceneGUI()
{
var t = target as BezierGenerator;
m_controlPoints = new List <Vector3>(t.controlPoints);
var uv = new Vector2(t.uOrder, t.vOrder);
for (int i = 0; i < m_controlPoints.Count; i++)
{
EditorGUI.BeginChangeCheck();
m_controlPoints[i] =
Handles.PositionHandle(t.transform.TransformPoint(m_controlPoints[i]), Quaternion.AngleAxis(180, t.transform.up) * t.transform.rotation);
if (EditorGUI.EndChangeCheck())
{
DisplaceVertices(t, m_controlPoints, i);
}
Vector2 coord = BezierGenerator.IndexToDoubleCoordinates(i, t.uOrder + 1);
Handles.Label(m_controlPoints[i], "(" + (int)coord.x + "," + (int)coord.y + ")", "button");
}
Handles.color = Color.yellow;
for (var v = 0; v < uv.y + 1; v++)
{
for (var u = 0; u < uv.x + 1; u++)
{
if (u > 0)
{
Handles.DrawDottedLine(
m_controlPoints[BezierGenerator.DoubleCoordinatesToIndex(u, v, (int)uv.x + 1)],
m_controlPoints[BezierGenerator.DoubleCoordinatesToIndex(u - 1, v, (int)uv.x + 1)], 0.2f);
}
if (v > 0)
{
Handles.DrawDottedLine(
m_controlPoints[BezierGenerator.DoubleCoordinatesToIndex(u, v, (int)uv.x + 1)],
m_controlPoints[BezierGenerator.DoubleCoordinatesToIndex(u, v - 1, (int)uv.x + 1)], 0.2f);
}
}
}
if (GUI.changed)
{
t.reDraw = true;
}
}
private void DisplaceVertices(BezierGenerator target, List <Vector3> cp, int cpIndex)
{
Vector3 delta = cp[cpIndex] - target.transform.TransformPoint(target.controlPoints[cpIndex]);
if (_pushURow || _pushVRow)
{
Vector2 uvCoords = BezierGenerator.IndexToDoubleCoordinates(cpIndex, target.uOrder + 1);
for (int j = 0; j <= (_pushURow ? target.uOrder : target.vOrder); j++)
{
int index = 0;
if (_pushURow)
{
index = BezierGenerator.DoubleCoordinatesToIndex(j, (int)uvCoords.y, target.uOrder + 1);
}
else
{
index = BezierGenerator.DoubleCoordinatesToIndex((int)uvCoords.x, j, target.uOrder + 1);
}
if (index != cpIndex)
{
if (index < cpIndex)
{
cp[index] += delta;
}
else
{
cp[index] = target.transform.TransformPoint(cp[index]);
cp[index] += delta;
}
target.controlPoints[index] = target.transform.InverseTransformPoint(cp[index]);
}
}
}
target.controlPoints[cpIndex] = target.transform.InverseTransformPoint(cp[cpIndex]);
}
