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Merge pull request #1885 from 0b5vr/thumb-nail-gizmo

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親指の向き・爪の向きのガイドを行うGizmo
This commit is contained in:
ousttrue
2022-10-24 19:24:35 +09:00
committed by GitHub
parent d2b4ad1964 7a93206a94
commit c3308981e8
2 changed files with 91 additions and 0 deletions
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89
Assets/VRM10/Editor/Vrm10InstanceEditor.cs
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@@ -169,5 +169,94 @@ namespace UniVRM10
base.OnInspectorGUI();
}
public void OnSceneGUI()
{
// 親指のガイド
DrawThumbGuide(target as Vrm10Instance);
}
static void DrawThumbGuide(Vrm10Instance instance)
{
if (instance == null)
{
return;
}
if (instance.TryGetBoneTransform(HumanBodyBones.LeftThumbProximal, out var l0))
{
if (instance.TryGetBoneTransform(HumanBodyBones.LeftThumbIntermediate, out var l1))
{
if (instance.TryGetBoneTransform(HumanBodyBones.LeftThumbDistal, out var l2))
{
var color = new Color(0.5f, 1.0f, 0.0f, 1.0f);
var thumbDir = (Vector3.forward + Vector3.left).normalized;
var nailNormal = (Vector3.forward + Vector3.right).normalized;
DrawThumbGuide(l0.position, l2.position, thumbDir, nailNormal, color);
}
}
}
if (instance.TryGetBoneTransform(HumanBodyBones.RightThumbProximal, out var r0))
{
if (instance.TryGetBoneTransform(HumanBodyBones.RightThumbIntermediate, out var r1))
{
if (instance.TryGetBoneTransform(HumanBodyBones.RightThumbDistal, out var r2))
{
var color = new Color(0.5f, 1.0f, 0.0f, 1.0f);
var thumbDir = (Vector3.forward + Vector3.right).normalized;
var nailNormal = (Vector3.forward + Vector3.left).normalized;
DrawThumbGuide(r0.position, r2.position, thumbDir, nailNormal, color);
}
}
}
}
static void DrawThumbGuide(Vector3 metacarpalPos, Vector3 distalPos, Vector3 thumbDir, Vector3 nailNormal, Color color)
{
Handles.color = color;
Handles.matrix = Matrix4x4.identity;
var thumbVector = distalPos - metacarpalPos;
var thumbLength = thumbVector.magnitude * 1.5f;
var thickness = thumbLength * 0.1f;
var tipCenter = metacarpalPos + thumbDir * (thumbLength - thickness);
var crossVector = Vector3.Cross(thumbDir, nailNormal);
// 指の形を描く
Handles.DrawLine(metacarpalPos + crossVector * thickness, tipCenter + crossVector * thickness);
Handles.DrawLine(metacarpalPos - crossVector * thickness, tipCenter - crossVector * thickness);
Handles.DrawWireArc(tipCenter, nailNormal, crossVector, 180f, thickness);
Handles.DrawLine(metacarpalPos + nailNormal * thickness, tipCenter + nailNormal * thickness);
Handles.DrawLine(metacarpalPos - nailNormal * thickness, tipCenter - nailNormal * thickness);
Handles.DrawWireArc(tipCenter, crossVector, -nailNormal, 180f, thickness);
Handles.DrawWireDisc(metacarpalPos, thumbDir, thickness);
Handles.DrawWireDisc(tipCenter, thumbDir, thickness);
// 爪の方向に伸びる線を描く
Handles.DrawDottedLine(tipCenter, tipCenter + nailNormal * thickness * 8.0f, 1.0f);
// 爪を描く
Vector2[] points2 = {
new Vector2(-0.2f, -0.5f),
new Vector2(0.2f, -0.5f),
new Vector2(0.5f, -0.3f),
new Vector2(0.5f, 0.3f),
new Vector2(0.2f, 0.5f),
new Vector2(-0.2f, 0.5f),
new Vector2(-0.5f, 0.3f),
new Vector2(-0.5f, -0.3f),
new Vector2(-0.2f, -0.5f),
};
Vector3[] points = points2
.Select(v => tipCenter + (nailNormal + crossVector * v.x + thumbDir * v.y) * thickness)
.ToArray();
Handles.DrawAAPolyLine(points);
Handles.color = color * new Color(1.0f, 1.0f, 1.0f, 0.1f);
Handles.DrawAAConvexPolygon(points);
// 文字ラベルを描く
Handles.Label(tipCenter + nailNormal * thickness * 6.0f, "Thumb nail direction");
}
}
}

2
Assets/VRM10/Runtime/Components/Vrm10Instance/Vrm10Instance.cs
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@@ -148,5 +148,7 @@ namespace UniVRM10
}
return true;
}
}
}