public CurveResult Evaluate(float curveT, ref CurveResult result)
{
//CurveResult result = new CurveResult();
unsafe
{
fixed(CurveResult *p = &result)
{
SDK_GfxICurve_EvaluateNative(mCoreObject, curveT, p);
}
}
return(result);
}
public override void Evaluate(float curveT, Binding.AnimationElementBinding bindingElement)
{
var binding = bindingElement as BoneAnimationBinding;
if (binding == null)
{
return;
}
var boneCurve = Curve as CGfxBoneCurve;
CurveResult curveResult = new CurveResult();
curveResult.BoneSRTResult = binding.Bone.Transform;
curveResult = boneCurve.Evaluate(curveT, ref curveResult);
binding.MotionData = boneCurve.EvaluateMotionState(curveT);
binding.Value = curveResult;
}
/// Bezier :
/// Evaluate a Bezier curve at a particular parameter value
/// Fill in control points for resulting sub-curves if "Left" and
/// "Right" are non-null.
///
/// - int degree; Degree of bezier curve
/// - Point2* V; Control pts
/// - double t; Parameter value
private static CurveResult Curve(Vector2[] V, int degree, double t)
{
const int WDegree = 5;
Vector2[,] Vtemp = new Vector2[5 + 1, WDegree + 1];
// Copy control points
for (var j = 0; j <= degree; j++)
{
Vtemp[0, j] = V[j];
}
// Triangle computation
for (var i = 1; i <= degree; i++)
{
for (var j = 0; j <= degree - i; j++)
{
Vtemp[i, j] = new Vector2
{
X = (1.0 - t) * Vtemp[i - 1, j].X + t * Vtemp[i - 1, j + 1].X,
Y = (1.0 - t) * Vtemp[i - 1, j].Y + t * Vtemp[i - 1, j + 1].Y
};
}
}
var result = new CurveResult
{
Point = Vtemp[degree, 0],
LeftCurve = new Vector2[WDegree + 1],
RightRight = new Vector2[WDegree + 1]
};
for (var i = 0; i <= degree; i++)
{
result.LeftCurve[i] = Vtemp[i, 0];
result.RightRight[i] = Vtemp[degree - i, i];
}
return(result);
}
