private void Draw()
{
CubicBezier worldBezier = cubicBezierPath.WorldSpaceBezier;
// draw bezier
Vector3[] cPointCache = new EvaluationCache(worldBezier, CubicBezier.GoodNumMidPoints).Values;
/*Handles.color = Color.yellow;
* Handles.DrawAAPolyLine(cPointCache);
*/
for (int i = 0; i < cPointCache.Length - 1; i++)
{
Handles.color = Color.Lerp(Color.yellow, Color.magenta, (float)i / cPointCache.Length);
var lineSegment = new Vector3[2];
lineSegment[0] = cPointCache[i];
lineSegment[1] = cPointCache[i + 1];
Handles.DrawAAPolyLine(lineSegment);
}
// draw direction cone cap
if (!settings.HideDirectionCones && targetScript.transform.lossyScale != Vector3.zero) //check for zero vector, since LookRotation logs messages
{
float startConeSize = PathEditorUtility.Nice3DHandleSize(worldBezier.Evaluate(0f));
float endConeSize = PathEditorUtility.Nice3DHandleSize(worldBezier.Evaluate(1f));
Handles.color = Color.yellow;
Handles.ConeCap(0, worldBezier.Evaluate(0f), Quaternion.LookRotation(worldBezier.Tangent(0f)), startConeSize);
Handles.color = Color.magenta;
Handles.ConeCap(0, worldBezier.Evaluate(1f), Quaternion.LookRotation(worldBezier.Tangent(1f)), endConeSize);
}
// draw tangent lines
if (!settings.HideTangentLines)
{
Handles.color = Color.cyan;
Handles.DrawDottedLine(worldBezier.StartPosition, worldBezier.StartTangent, 7.5f);
Handles.DrawDottedLine(worldBezier.EndPosition, worldBezier.EndTangent, 7.5f);
}
// test t
if (settings.TestInterpolate)
{
PathEditorUtility.DrawTestInterpolate(worldBezier, settings.EditorData.T);
}
// draw GUI
InterpolateSceneGUI();
ToolShelf();
}
public void TangentTest()
{
Point startPoint = new Point(0, 0, 0);
Point startControlPoint = new Point(1.3, 3, 0);
Point endControlPoint = new Point(6, 4, 0);
Point endPoint = new Point(8, 1.6, 0);
CubicBezier bezier = new CubicBezier(startPoint, endPoint, startControlPoint, endControlPoint);
Assert.AreEqual(new Vector(0.93280749948951, 0.360375039224594, 0), bezier.Tangent(0.4));
}
