private void DrawCurve(SineDeformer sine)
{
var forward = sine.Axis.forward;
var size = HandleUtility.GetHandleSize(sine.Axis.position) * 5f;
var a = sine.Axis.position - (forward * size);
var b = sine.Axis.position + (forward * size);
var pointSet = false;
var lastPointOnCurve = Vector3.zero;
for (int i = 0; i <= DeformHandles.DEF_CURVE_SEGMENTS; i++)
{
var pointOnLine = sine.Axis.worldToLocalMatrix.MultiplyPoint3x4(Vector3.Lerp(a, b, i / (float)DeformHandles.DEF_CURVE_SEGMENTS));
var newPointOnCurve = pointOnLine + Vector3.up * Mathf.Sin((pointOnLine.z * sine.Frequency + sine.GetTotalOffset()) * Mathf.PI * 2f);
newPointOnCurve.y *= sine.Amplitude;
newPointOnCurve.y *= Mathf.Exp(-sine.Falloff * Mathf.Abs(newPointOnCurve.z));
newPointOnCurve = sine.Axis.localToWorldMatrix.MultiplyPoint3x4(newPointOnCurve);
if (pointSet)
{
DeformHandles.Line(lastPointOnCurve, newPointOnCurve, DeformHandles.LineMode.Solid);
}
lastPointOnCurve = newPointOnCurve;
pointSet = true;
}
}
