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feature: 親指の向き・爪の向きのギズモを更新

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ousttrueさんによる元コミット: b2c3d14942
This commit is contained in:
0b5vr
2022-10-24 18:24:54 +09:00
parent b2c3d14942
commit 7a93206a94
1 changed files with 53 additions and 13 deletions
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66
Assets/VRM10/Editor/Vrm10InstanceEditor.cs
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@@ -188,8 +188,10 @@ namespace UniVRM10
{
if (instance.TryGetBoneTransform(HumanBodyBones.LeftThumbDistal, out var l2))
{
var color = new Color(1.0f, 0.5f, 0.5f, 0.8f);
DrawThumbGuide(Vector3.up, color, l0, l1, 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);
}
}
}
@@ -199,24 +201,62 @@ namespace UniVRM10
{
if (instance.TryGetBoneTransform(HumanBodyBones.RightThumbDistal, out var r2))
{
var color = new Color(0.5f, 0.5f, 1.0f, 0.8f);
DrawThumbGuide(Vector3.down, color, r0, r1, 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 up, Color color, Transform t0, Transform t1, Transform t2)
static void DrawThumbGuide(Vector3 metacarpalPos, Vector3 distalPos, Vector3 thumbDir, Vector3 nailNormal, Color color)
{
Handles.color = color;
Handles.matrix = Matrix4x4.identity;
var len = (t0.position - t1.position).magnitude;
var dir0 = (t0.position - t1.position).normalized;
var dir2 = (t2.position - t1.position).normalized;
var angle = Mathf.Acos(Vector3.Dot(dir0, dir2)) * Mathf.Rad2Deg;
Handles.DrawSolidArc(t1.position, up, dir0, angle, len);
Handles.color = Color.green;
Handles.DrawLine(t1.position, t1.position + Vector3.up * len);
Handles.Label(t1.position, "thumb guide");
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");
}
}
}