| public static PointOnBezier ( Vector3 p0, Vector3 p1, Vector3 p2, Vector3 p3, float t ) : Vector3 | ||
| p0 | Vector3 | |
| p1 | Vector3 | |
| p2 | Vector3 | |
| p3 | Vector3 | |
| t | float | |
| return | Vector3 | |
private Vector3 GetPointRaw(float t)
{
int base_coord = (int)t * 3;
float t_sub = t - (int)t;
if (t == (int)t && t != 0)
{
base_coord -= 3;
t_sub = 1;
}
if (base_coord + 3 >= points.Length)
{
return(transform.TransformPoint(points[points.Length - 1]));
}
if (base_coord < 0)
{
return(transform.TransformPoint(points[0]));
}
Vector3 p0 = points[base_coord];
Vector3 p1 = points[base_coord + 1];
Vector3 p2 = points[base_coord + 2];
Vector3 p3 = points[base_coord + 3];
return(Bezier.PointOnBezier(p0, p1, p2, p3, t_sub));
}
private void OnSceneGUI()
{
Bezier b = target as Bezier;
Transform tr = b.transform;
Quaternion r = Tools.pivotRotation == PivotRotation.Local ? tr.rotation : Quaternion.identity;
Vector3 p0 = tr.TransformPoint(b.p0);
Vector3 p1 = tr.TransformPoint(b.p1);
Vector3 p2 = tr.TransformPoint(b.p2);
Vector3 p3 = tr.TransformPoint(b.p3);
Handles.color = Color.white;
float t = 0;
Vector3 prev = p0;
for (int x = 1; x <= curve_draw_iter; x++)
{
t = (float)x / (float)curve_draw_iter;
Vector3 next = Bezier.PointOnBezier(p0, p1, p2, p3, t);
Handles.DrawLine(prev, next);
prev = next;
}
EditorGUI.BeginChangeCheck();
p0 = Handles.DoPositionHandle(p0, r);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(b, "Move Point");
EditorUtility.SetDirty(b);
b.p0 = tr.InverseTransformPoint(p0);
}
EditorGUI.BeginChangeCheck();
p1 = Handles.DoPositionHandle(p1, r);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(b, "Move Point");
EditorUtility.SetDirty(b);
b.p1 = tr.InverseTransformPoint(p1);
}
EditorGUI.BeginChangeCheck();
p2 = Handles.DoPositionHandle(p2, r);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(b, "Move Point");
EditorUtility.SetDirty(b);
b.p2 = tr.InverseTransformPoint(p2);
}
EditorGUI.BeginChangeCheck();
p3 = Handles.DoPositionHandle(p3, r);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(b, "Move Point");
EditorUtility.SetDirty(b);
b.p3 = tr.InverseTransformPoint(p3);
}
}
