/// <summary>
/// Given a list of points convert to animation curve using supplied conversionProperties.
/// </summary>
/// <param name="animCurve">AnimationCurve that contains converted results.</param>
/// <param name="conversionProperties">Struct that defines various curve conversion properties.</param>
/// <param name="inPts">List of 2D Points on curve.</param>
/// <param name="debug">When true will log various debug statements.</param>
public static void ConvertToAnimCurve(AnimationCurve animCurve, ConversionProperties conversionProperties, List <Vector2> inPts, bool debug = false)
{
Keyframe keyFrame;
Keyframe[] keyFrames = new Keyframe[inPts.Count + 1];
float[] keyAngles = new float[inPts.Count + 1];
for (int i = 0; i < inPts.Count; i++)
{
keyFrame = new Keyframe();
if (i > 0 && i < inPts.Count - 1)
{
// keyAngles[ i ] = Mathf.Atan2(inPts[ i ].y - inPts[ i-1 ].y, inPts[ i ].x - inPts[ i-1 ].x) * 180f / Mathf.PI;
Vector2 left = new Vector2(inPts[i].y - inPts[i - 1].y, inPts[i].x - inPts[i - 1].x); //.normalized;
Vector2 right = new Vector2(inPts[i + 1].y - inPts[i].y, inPts[i + 1].x - inPts[i - 1].x); //.normalized;
keyAngles[i] = Vector2.Angle(left, right);
if (keyAngles[i] > conversionProperties.m_SmoothTangentMaxAngle)
{
keyFrame.inTangent = Mathf.Atan2(inPts[i].y - inPts[i - 1].y, inPts[i].x - inPts[i - 1].x);
keyFrame.outTangent = Mathf.Atan2(inPts[i + 1].y - inPts[i].y, inPts[i + 1].x - inPts[i].x);
}
}
keyFrame.value = inPts[i].y;
keyFrame.time = inPts[i].x;
keyFrames[i] = keyFrame;
}
// Last Frame
keyFrame = new Keyframe();
keyFrame.value = inPts[inPts.Count - 1].y;
keyFrame.time = inPts[inPts.Count - 1].x;
keyFrames[inPts.Count] = keyFrame;
animCurve.keys = keyFrames;
for (int i = 0; i < keyFrames.Length; i++)
{
RuntimeAnimationUtility.TangentMode tangent = (keyAngles[i] > conversionProperties.m_SmoothTangentMaxAngle) ? RuntimeAnimationUtility.TangentMode.Linear : conversionProperties.m_TangentMode;
RuntimeAnimationUtility.SetKeyBroken(animCurve, i, (keyAngles[i] > conversionProperties.m_SmoothTangentMaxAngle));
RuntimeAnimationUtility.SetKeyLeftTangentMode(animCurve, i, tangent);
RuntimeAnimationUtility.SetKeyRightTangentMode(animCurve, i, tangent);
}
if (debug)
{
AnimationCurveToString(animCurve, keyAngles);
}
}
public static void ConvertToAnimCurve(AnimationCurve animCurve, ConversionProperties conversionProperties, CubicBezier[] curves, bool debug = false)
{
Keyframe keyFrame;
Keyframe[] keyFrames = new Keyframe[curves.Length + 1];
float curveLength = 1f / curves.Length;
float curveTime = 0;
for (int i = 0; i < curves.Length; i++)
{
keyFrame = new Keyframe();
keyFrame.value = curves[i].p0.y;
keyFrame.time = curveTime;
curveTime += curveLength;
keyFrames[i] = keyFrame;
}
keyFrame = new Keyframe();
keyFrame.value = curves[curves.Length - 1].p3.y;
keyFrame.time = curveTime;
curveTime += curveLength;
keyFrames[curves.Length] = keyFrame;
animCurve.keys = keyFrames;
for (int i = 0; i < keyFrames.Length; i++)
{
RuntimeAnimationUtility.SetKeyLeftTangentMode(animCurve, i, conversionProperties.m_TangentMode);
RuntimeAnimationUtility.SetKeyRightTangentMode(animCurve, i, conversionProperties.m_TangentMode);
}
if (debug)
{
AnimationCurveToString(animCurve);
}
}
