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104 lines
2.9 KiB
C#
104 lines
2.9 KiB
C#
/******************************************************************************/
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/*
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Project - MudBun
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Publisher - Long Bunny Labs
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http://LongBunnyLabs.com
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Author - Ming-Lun "Allen" Chou
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http://AllenChou.net
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*/
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/******************************************************************************/
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using System.Collections.Generic;
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using Unity.Collections;
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using UnityEngine;
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#if MUDBUN_BURST
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using Unity.Burst;
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using Unity.Mathematics;
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using AOT;
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#endif
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namespace MudBun
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{
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#if MUDBUN_BURST
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[BurstCompile]
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#endif
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public class MudSphere : MudSolid
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{
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[SerializeField] private float m_radius = 0.5f;
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public float Radius { get => m_radius; set { m_radius = value; MarkDirty(); } }
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[Range(-1.0f, 1.0f)] public float PivotShift = 0.0f;
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public Vector3 PivotShiftOffset => -0.5f * transform.up * PivotShift * transform.localScale.y;
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public override Aabb RawBoundsRs
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{
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get
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{
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Vector3 r = m_radius * VectorUtil.Abs(transform.localScale);
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Vector3 posRs = PointRs(transform.position) + VectorRs(PivotShiftOffset);
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Aabb bounds = new Aabb(-r, r);
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bounds.Rotate(RotationRs(transform.rotation));
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bounds.Min += posRs;
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bounds.Max += posRs;
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return bounds;
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}
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}
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public override void SanitizeParameters()
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{
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base.SanitizeParameters();
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Validate.NonNegative(ref m_radius);
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}
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public override int FillComputeData(NativeArray<SdfBrush> aBrush, int iStart, List<Transform> aBone)
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{
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SdfBrush brush = SdfBrush.New();
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brush.Type = (int) SdfBrush.TypeEnum.Sphere;
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brush.Radius = m_radius;
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brush.Data0.x = PivotShift;
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if (aBone != null)
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{
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brush.BoneIndex = aBone.Count;
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aBone.Add(gameObject.transform);
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}
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aBrush[iStart] = brush;
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return 1;
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}
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#if MUDBUN_BURST
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[BurstCompile]
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[MonoPInvokeCallback(typeof(Sdf.SdfBrushEvalFunc))]
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[RegisterSdfBrushEvalFunc(SdfBrush.TypeEnum.Sphere)]
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public static unsafe float EvaluateSdf(float res, ref float3 p, in float3 pRel, SdfBrush* aBrush, int iBrush)
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{
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float3 pRelCopy = pRel;
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float3 h = math.abs(0.5f * aBrush[iBrush].Size);
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float pivotShift = aBrush[iBrush].Data0.x;
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pRelCopy.y += pivotShift * h.y;
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return Sdf.Ellipsoid(pRelCopy, aBrush[iBrush].Radius * aBrush[iBrush].Size);
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}
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#endif
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public override void DrawSelectionGizmosRs()
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{
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base.DrawSelectionGizmosRs();
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GizmosUtil.DrawInvisibleSphere(PointRs(transform.position) + VectorRs(PivotShiftOffset), m_radius, transform.localScale, RotationRs(transform.rotation));
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}
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public override void DrawOutlineGizmosRs()
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{
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base.DrawOutlineGizmosRs();
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GizmosUtil.DrawWireSphere(PointRs(transform.position) + VectorRs(PivotShiftOffset), m_radius, transform.localScale, RotationRs(transform.rotation));
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}
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}
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}
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