From 4056f06baea18d3c5ae23c4a022fc6ae6b135bb2 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 14 Oct 2020 10:15:19 +0800
Subject: +dynamic bone

---
 .../Scripts/DynamicBonePlaneCollider.cs            | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 Assets/ThirdParty/DynamicBone/Scripts/DynamicBonePlaneCollider.cs

(limited to 'Assets/ThirdParty/DynamicBone/Scripts/DynamicBonePlaneCollider.cs')

diff --git a/Assets/ThirdParty/DynamicBone/Scripts/DynamicBonePlaneCollider.cs b/Assets/ThirdParty/DynamicBone/Scripts/DynamicBonePlaneCollider.cs
new file mode 100644
index 00000000..7265d26a
--- /dev/null
+++ b/Assets/ThirdParty/DynamicBone/Scripts/DynamicBonePlaneCollider.cs
@@ -0,0 +1,76 @@
+using UnityEngine;
+
+[AddComponentMenu("Dynamic Bone/Dynamic Bone Plane Collider")]
+public class DynamicBonePlaneCollider : DynamicBoneColliderBase
+{
+    void OnValidate()
+    {
+    }
+
+    public override bool Collide(ref Vector3 particlePosition, float particleRadius)
+    {
+        Vector3 normal = Vector3.up;
+        switch (m_Direction)
+        {
+            case Direction.X:
+                normal = transform.right;
+                break;
+            case Direction.Y:
+                normal = transform.up;
+                break;
+            case Direction.Z:
+                normal = transform.forward;
+                break;
+        }
+
+        Vector3 p = transform.TransformPoint(m_Center);
+        Plane plane = new Plane(normal, p);
+        float d = plane.GetDistanceToPoint(particlePosition);
+
+        if (m_Bound == Bound.Outside)
+        {
+            if (d < 0)
+            {
+                particlePosition -= normal * d;
+                return true;
+            }
+        }
+        else
+        {
+            if (d > 0)
+            {
+                particlePosition -= normal * d;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    void OnDrawGizmosSelected()
+    {
+        if (!enabled)
+            return;
+
+        if (m_Bound == Bound.Outside)
+            Gizmos.color = Color.yellow;
+        else
+            Gizmos.color = Color.magenta;
+
+        Vector3 normal = Vector3.up;
+        switch (m_Direction)
+        {
+            case Direction.X:
+                normal = transform.right;
+                break;
+            case Direction.Y:
+                normal = transform.up;
+                break;
+            case Direction.Z:
+                normal = transform.forward;
+                break;
+        }
+
+        Vector3 p = transform.TransformPoint(m_Center);
+        Gizmos.DrawLine(p, p + normal);
+    }
+}
-- 
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