+init

1 files changed, 64 insertions, 0 deletions

diff --git a/UnityEngine.PostProcessing/ColorGradingCurve.cs b/UnityEngine.PostProcessing/ColorGradingCurve.cs
new file mode 100644
index 0000000..49ea13a
--- /dev/null
+++ b/UnityEngine.PostProcessing/ColorGradingCurve.cs
@@ -0,0 +1,64 @@
+using System;
+
+namespace UnityEngine.PostProcessing;
+
+[Serializable]
+public sealed class ColorGradingCurve
+{
+	public AnimationCurve curve;
+
+	[SerializeField]
+	private bool m_Loop;
+
+	[SerializeField]
+	private float m_ZeroValue;
+
+	[SerializeField]
+	private float m_Range;
+
+	private AnimationCurve m_InternalLoopingCurve;
+
+	public ColorGradingCurve(AnimationCurve curve, float zeroValue, bool loop, Vector2 bounds)
+	{
+		this.curve = curve;
+		m_ZeroValue = zeroValue;
+		m_Loop = loop;
+		m_Range = bounds.magnitude;
+	}
+
+	public void Cache()
+	{
+		if (!m_Loop)
+		{
+			return;
+		}
+		int length = curve.length;
+		if (length >= 2)
+		{
+			if (m_InternalLoopingCurve == null)
+			{
+				m_InternalLoopingCurve = new AnimationCurve();
+			}
+			Keyframe key = curve[length - 1];
+			key.time -= m_Range;
+			Keyframe key2 = curve[0];
+			key2.time += m_Range;
+			m_InternalLoopingCurve.keys = curve.keys;
+			m_InternalLoopingCurve.AddKey(key);
+			m_InternalLoopingCurve.AddKey(key2);
+		}
+	}
+
+	public float Evaluate(float t)
+	{
+		if (curve.length == 0)
+		{
+			return m_ZeroValue;
+		}
+		if (!m_Loop || curve.length == 1)
+		{
+			return curve.Evaluate(t);
+		}
+		return m_InternalLoopingCurve.Evaluate(t);
+	}
+}