46 lines
2.2 KiB
C#
46 lines
2.2 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 RoundedRectangle : SplinePrimitive
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{
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public Vector2 size = Vector2.one;
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public float xRadius = 0.25f;
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public float yRadius = 0.25f;
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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(8, SplinePoint.Type.Broken);
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Vector2 edgeSize = size - new Vector2(xRadius, yRadius) * 2f;
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points[0].SetPosition(Vector3.up / 2f * edgeSize.y + Vector3.left / 2f * size.x);
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points[1].SetPosition(Vector3.up / 2f * size.y + Vector3.left / 2f * edgeSize.x);
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points[2].SetPosition(Vector3.up / 2f * size.y + Vector3.right / 2f * edgeSize.x);
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points[3].SetPosition(Vector3.up / 2f * edgeSize.y + Vector3.right / 2f * size.x);
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points[4].SetPosition(Vector3.down / 2f * edgeSize.y + Vector3.right / 2f * size.x);
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points[5].SetPosition(Vector3.down / 2f * size.y + Vector3.right / 2f * edgeSize.x);
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points[6].SetPosition(Vector3.down / 2f * size.y + Vector3.left / 2f * edgeSize.x);
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points[7].SetPosition(Vector3.down / 2f * edgeSize.y + Vector3.left / 2f * size.x);
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float xRad = 2f * (Mathf.Sqrt(2f) - 1f) / 3f * xRadius * 2f;
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float yRad = 2f * (Mathf.Sqrt(2f) - 1f) / 3f * yRadius * 2f;
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points[0].SetTangent2Position(points[0].position + Vector3.up * yRad);
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points[1].SetTangentPosition(points[1].position + Vector3.left * xRad);
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points[2].SetTangent2Position(points[2].position + Vector3.right * xRad);
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points[3].SetTangentPosition(points[3].position + Vector3.up * yRad);
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points[4].SetTangent2Position(points[4].position + Vector3.down * yRad);
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points[5].SetTangentPosition(points[5].position + Vector3.right * xRad);
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points[6].SetTangent2Position(points[6].position + Vector3.left * xRad);
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points[7].SetTangentPosition(points[7].position + Vector3.down * yRad);
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}
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}
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}
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