32 lines
1.2 KiB
C#
32 lines
1.2 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Dreamteck.Splines.Primitives
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{
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public class Ellipse : SplinePrimitive
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{
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public float xRadius = 1f;
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public float yRadius = 1f;
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public override Spline.Type GetSplineType()
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{
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return Spline.Type.Bezier;
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}
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protected override void Generate()
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{
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base.Generate();
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closed = true;
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CreatePoints(4, SplinePoint.Type.SmoothMirrored);
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points[0].position = Vector3.up * yRadius;
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points[0].SetTangentPosition(points[0].position + Vector3.right * 2 * (Mathf.Sqrt(2f) - 1f) / 1.5f * xRadius);
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points[1].position = Vector3.left * xRadius;
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points[1].SetTangentPosition(points[1].position + Vector3.up * 2 * (Mathf.Sqrt(2f) - 1f) / 1.5f * yRadius);
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points[2].position = Vector3.down * yRadius;
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points[2].SetTangentPosition(points[2].position + Vector3.left * 2 * (Mathf.Sqrt(2f) - 1f) / 1.5f * xRadius);
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points[3].position = Vector3.right * xRadius;
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points[3].SetTangentPosition(points[3].position + Vector3.down * 2 * (Mathf.Sqrt(2f) - 1f) / 1.5f * yRadius);
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}
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}
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}
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