1 files changed, 209 insertions, 0 deletions
diff --git a/modules/mono/glue/cs_files/Plane.cs b/modules/mono/glue/cs_files/Plane.cs
new file mode 100644
index 0000000000..ada6e465ac
--- /dev/null
+++ b/modules/mono/glue/cs_files/Plane.cs
@@ -0,0 +1,209 @@
+using System;
+
+namespace Godot
+{
+    public struct Plane : IEquatable<Plane>
+    {
+        Vector3 normal;
+
+        public float x
+        {
+            get
+            {
+                return normal.x;
+            }
+            set
+            {
+                normal.x = value;
+            }
+        }
+
+        public float y
+        {
+            get
+            {
+                return normal.y;
+            }
+            set
+            {
+                normal.y = value;
+            }
+        }
+
+        public float z
+        {
+            get
+            {
+                return normal.z;
+            }
+            set
+            {
+                normal.z = value;
+            }
+        }
+
+        float d;
+
+        public Vector3 Center
+        {
+            get
+            {
+                return normal * d;
+            }
+        }
+
+        public float distance_to(Vector3 point)
+        {
+            return normal.dot(point) - d;
+        }
+
+        public Vector3 get_any_point()
+        {
+            return normal * d;
+        }
+
+        public bool has_point(Vector3 point, float epsilon = Mathf.Epsilon)
+        {
+            float dist = normal.dot(point) - d;
+            return Mathf.abs(dist) <= epsilon;
+        }
+
+        public Vector3 intersect_3(Plane b, Plane c)
+        {
+            float denom = normal.cross(b.normal).dot(c.normal);
+
+            if (Mathf.abs(denom) <= Mathf.Epsilon)
+                return new Vector3();
+
+            Vector3 result = (b.normal.cross(c.normal) * this.d) +
+                                (c.normal.cross(normal) * b.d) +
+                                (normal.cross(b.normal) * c.d);
+
+            return result / denom;
+        }
+
+        public Vector3 intersect_ray(Vector3 from, Vector3 dir)
+        {
+            float den = normal.dot(dir);
+
+            if (Mathf.abs(den) <= Mathf.Epsilon)
+                return new Vector3();
+
+            float dist = (normal.dot(from) - d) / den;
+
+            // This is a ray, before the emiting pos (from) does not exist
+            if (dist > Mathf.Epsilon)
+                return new Vector3();
+
+            return from + dir * -dist;
+        }
+
+        public Vector3 intersect_segment(Vector3 begin, Vector3 end)
+        {
+            Vector3 segment = begin - end;
+            float den = normal.dot(segment);
+
+            if (Mathf.abs(den) <= Mathf.Epsilon)
+                return new Vector3();
+
+            float dist = (normal.dot(begin) - d) / den;
+
+            if (dist < -Mathf.Epsilon || dist > (1.0f + Mathf.Epsilon))
+                return new Vector3();
+
+            return begin + segment * -dist;
+        }
+
+        public bool is_point_over(Vector3 point)
+        {
+            return normal.dot(point) > d;
+        }
+
+        public Plane normalized()
+        {
+            float len = normal.length();
+
+            if (len == 0)
+                return new Plane(0, 0, 0, 0);
+
+            return new Plane(normal / len, d / len);
+        }
+
+        public Vector3 project(Vector3 point)
+        {
+            return point - normal * distance_to(point);
+        }
+
+        public Plane(float a, float b, float c, float d)
+        {
+            normal = new Vector3(a, b, c);
+            this.d = d;
+        }
+
+        public Plane(Vector3 normal, float d)
+        {
+            this.normal = normal;
+            this.d = d;
+        }
+
+        public Plane(Vector3 v1, Vector3 v2, Vector3 v3)
+        {
+            normal = (v1 - v3).cross(v1 - v2);
+            normal.normalize();
+            d = normal.dot(v1);
+        }
+
+        public static Plane operator -(Plane plane)
+        {
+            return new Plane(-plane.normal, -plane.d);
+        }
+
+        public static bool operator ==(Plane left, Plane right)
+        {
+            return left.Equals(right);
+        }
+
+        public static bool operator !=(Plane left, Plane right)
+        {
+            return !left.Equals(right);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (obj is Plane)
+            {
+                return Equals((Plane)obj);
+            }
+
+            return false;
+        }
+
+        public bool Equals(Plane other)
+        {
+            return normal == other.normal && d == other.d;
+        }
+
+        public override int GetHashCode()
+        {
+            return normal.GetHashCode() ^ d.GetHashCode();
+        }
+
+        public override string ToString()
+        {
+            return String.Format("({0}, {1})", new object[]
+            {
+                this.normal.ToString(),
+                this.d.ToString()
+            });
+        }
+
+        public string ToString(string format)
+        {
+            return String.Format("({0}, {1})", new object[]
+            {
+                this.normal.ToString(format),
+                this.d.ToString(format)
+            });
+        }
+    }
+}