| public static SafeDeltaDivide ( float dy, float dx ) : float | ||
| dy | float | |
| dx | float | |
| return | float | |
public float CalculateSmoothTangent(int index, int component)
{
AnimationCurve curve = this.GetCurve(component);
float result;
if (curve.length < 2)
{
result = 0f;
}
else if (index <= 0)
{
result = this.CalculateLinearTangent(curve[0], curve[1], component);
}
else if (index >= curve.length - 1)
{
result = this.CalculateLinearTangent(curve[curve.length - 1], curve[curve.length - 2], component);
}
else
{
float time = curve[index - 1].time;
float time2 = curve[index].time;
float time3 = curve[index + 1].time;
Vector3 euler = this.EvaluateEulerCurvesDirectly(time);
Vector3 vector = this.EvaluateEulerCurvesDirectly(time2);
Vector3 euler2 = this.EvaluateEulerCurvesDirectly(time3);
Quaternion quaternion = Quaternion.Euler(euler);
Quaternion quaternion2 = Quaternion.Euler(vector);
Quaternion quaternion3 = Quaternion.Euler(euler2);
if (quaternion.x * quaternion2.x + quaternion.y * quaternion2.y + quaternion.z * quaternion2.z + quaternion.w * quaternion2.w < 0f)
{
quaternion = new Quaternion(-quaternion.x, -quaternion.y, -quaternion.z, -quaternion.w);
}
if (quaternion3.x * quaternion2.x + quaternion3.y * quaternion2.y + quaternion3.z * quaternion2.z + quaternion3.w * quaternion2.w < 0f)
{
quaternion3 = new Quaternion(-quaternion3.x, -quaternion3.y, -quaternion3.z, -quaternion3.w);
}
Quaternion quaternion4 = default(Quaternion);
float dx = time2 - time;
float dx2 = time3 - time2;
for (int i = 0; i < 4; i++)
{
float dy = quaternion2[i] - quaternion[i];
float dy2 = quaternion3[i] - quaternion2[i];
float num = QuaternionCurveTangentCalculation.SafeDeltaDivide(dy, dx);
float num2 = QuaternionCurveTangentCalculation.SafeDeltaDivide(dy2, dx2);
quaternion4[i] = 0.5f * num + 0.5f * num2;
}
float num3 = Mathf.Abs(time3 - time) * 0.01f;
Quaternion q = new Quaternion(quaternion2.x - quaternion4.x * num3, quaternion2.y - quaternion4.y * num3, quaternion2.z - quaternion4.z * num3, quaternion2.w - quaternion4.w * num3);
Quaternion q2 = new Quaternion(quaternion2.x + quaternion4.x * num3, quaternion2.y + quaternion4.y * num3, quaternion2.z + quaternion4.z * num3, quaternion2.w + quaternion4.w * num3);
Vector3 eulerFromQuaternion = QuaternionCurveTangentCalculation.GetEulerFromQuaternion(q, vector);
Vector3 eulerFromQuaternion2 = QuaternionCurveTangentCalculation.GetEulerFromQuaternion(q2, vector);
result = ((eulerFromQuaternion2 - eulerFromQuaternion) / (num3 * 2f))[component];
}
return(result);
}
public float CalculateSmoothTangent(int index, int component)
{
AnimationCurve curve = this.GetCurve(component);
if (curve.length < 2)
{
return(0.0f);
}
if (index <= 0)
{
return(this.CalculateLinearTangent(curve[0], curve[1], component));
}
if (index >= curve.length - 1)
{
return(this.CalculateLinearTangent(curve[curve.length - 1], curve[curve.length - 2], component));
}
float time1 = curve[index - 1].time;
float time2 = curve[index].time;
float time3 = curve[index + 1].time;
Vector3 eulerCurvesDirectly1 = this.EvaluateEulerCurvesDirectly(time1);
Vector3 eulerCurvesDirectly2 = this.EvaluateEulerCurvesDirectly(time2);
Vector3 eulerCurvesDirectly3 = this.EvaluateEulerCurvesDirectly(time3);
Quaternion quaternion1 = Quaternion.Euler(eulerCurvesDirectly1);
Quaternion quaternion2 = Quaternion.Euler(eulerCurvesDirectly2);
Quaternion quaternion3 = Quaternion.Euler(eulerCurvesDirectly3);
if ((double)quaternion1.x * (double)quaternion2.x + (double)quaternion1.y * (double)quaternion2.y + (double)quaternion1.z * (double)quaternion2.z + (double)quaternion1.w * (double)quaternion2.w < 0.0)
{
quaternion1 = new Quaternion(-quaternion1.x, -quaternion1.y, -quaternion1.z, -quaternion1.w);
}
if ((double)quaternion3.x * (double)quaternion2.x + (double)quaternion3.y * (double)quaternion2.y + (double)quaternion3.z * (double)quaternion2.z + (double)quaternion3.w * (double)quaternion2.w < 0.0)
{
quaternion3 = new Quaternion(-quaternion3.x, -quaternion3.y, -quaternion3.z, -quaternion3.w);
}
Quaternion quaternion4 = new Quaternion();
float dx1 = time2 - time1;
float dx2 = time3 - time2;
for (int index1 = 0; index1 < 4; ++index1)
{
float dy1 = quaternion2[index1] - quaternion1[index1];
float dy2 = quaternion3[index1] - quaternion2[index1];
float num1 = QuaternionCurveTangentCalculation.SafeDeltaDivide(dy1, dx1);
float num2 = QuaternionCurveTangentCalculation.SafeDeltaDivide(dy2, dx2);
quaternion4[index1] = (float)(0.5 * (double)num1 + 0.5 * (double)num2);
}
float num = Mathf.Abs(time3 - time1) * 0.01f;
Quaternion q1 = new Quaternion(quaternion2.x - quaternion4.x * num, quaternion2.y - quaternion4.y * num, quaternion2.z - quaternion4.z * num, quaternion2.w - quaternion4.w * num);
Quaternion q2 = new Quaternion(quaternion2.x + quaternion4.x * num, quaternion2.y + quaternion4.y * num, quaternion2.z + quaternion4.z * num, quaternion2.w + quaternion4.w * num);
Vector3 eulerFromQuaternion = QuaternionCurveTangentCalculation.GetEulerFromQuaternion(q1, eulerCurvesDirectly2);
return(((QuaternionCurveTangentCalculation.GetEulerFromQuaternion(q2, eulerCurvesDirectly2) - eulerFromQuaternion) / (num * 2f))[component]);
}