using UnityEngine;
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public class Bezier
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="P0"></param>
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/// <param name="P1"></param>
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/// <param name="P2"></param>
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/// <param name="t">0.0 >= t <= 1.0 </param>
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/// <returns></returns>
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public static Vector3 BezierCurve(Vector3 P0, Vector3 P1, Vector3 P2, float t)
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{
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var t1 = (1 - t) * (1 - t);
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var t2 = t * (1 - t);
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var t3 = t * t;
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return P0 * t1 + 2 * t2 * P1 + t3 * P2;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="P0"></param>
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/// <param name="P1"></param>
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/// <param name="P2"></param>
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/// <param name="P3"></param>
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/// <param name="t">0.0 >= t <= 1.0 </param>
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/// <returns></returns>
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public static Vector3 BezierCurve(Vector3 P0, Vector3 P1, Vector3 P2, Vector3 P3, float t)
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{
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var t1 = (1 - t) * (1 - t) * (1 - t);
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var t2 = (1 - t) * (1 - t) * t;
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var t3 = t * t * (1 - t);
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var t4 = t * t * t;
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return P0 * t1 + 3 * t2 * P1 + 3 * t3 * P2 + P3 * t4;
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}
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}
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