Vector2。

THREE/Math/Matrix3.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Matrix3
+    {
+    }
+}

THREE/Math/Matrix4.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Matrix4
+    {
+    }
+}

THREE/Math/Plane.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Plane
+    {
+    }
+}

THREE/Math/Quaternion.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Quaternion
+    {
+    }
+}

THREE/Math/Ray.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Ray
+    {
+    }
+}

THREE/Math/Sphere.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Sphere
+    {
+    }
+}

THREE/Math/Spherical.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Spherical
+    {
+    }
+}

THREE/Math/Triangle.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Triangle
+    {
+    }
+}

THREE/Math/Vector2.cs

@@ -0,0 +1,140 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    public class Vector2
+    {
+        public double x = 0;
+        public double y = 0;
+
+        public Vector2(double x = 0, double y = 0)
+        {
+            this.x = x;
+            this.y = y;
+        }
+
+        public double width
+        {
+            get
+            {
+                return this.x;
+            }
+            set
+            {
+                this.x = value;
+            }
+        }
+
+        public double height
+        {
+            get
+            {
+                return this.y;
+            }
+            set
+            {
+                this.y = value;
+            }
+        }
+
+        public bool isVector2 = true;
+
+        public Vector2 Set(double x, double y)
+        {
+            this.x = x;
+            this.y = y;
+            return this;
+        }
+
+        public Vector2 SetScalar(double scalar)
+        {
+            this.x = scalar;
+            this.y = scalar;
+            return this;
+        }
+
+        public Vector2 SetX(double x)
+        {
+            this.x = x;
+            return this;
+        }
+
+        public Vector2 SetY(double y)
+        {
+            this.y = y;
+            return this;
+        }
+
+        public Vector2 SetComponent(int index, double value)
+        {
+            switch (index)
+            {
+                case 0:
+                    this.x = value;
+                    break;
+                case 1:
+                    this.y = value;
+                    break;
+                default:
+                    throw new Exception($"index is out of range: {index}");
+            }
+
+            return this;
+        }
+
+        public double GetComponent(int index)
+        {
+            switch (index)
+            {
+                case 0:
+                    return this.x;
+                case 1:
+                    return this.y;
+                default:
+                    throw new Exception($"index is out of range: {index}");
+            }
+        }
+
+        public Vector2 Clone(Vector2 v)
+        {
+            this.x = v.x;
+            this.y = v.y;
+
+            return this;
+        }
+
+        public Vector2 Add(Vector2 v, Vector2 w = null)
+        {
+            if (w != null)
+            {
+                // console.warn('THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');
+                return this.AddVectors(v, w);
+            }
+
+            this.x += v.x;
+            this.y += v.y;
+
+            return this;
+        }
+
+        public Vector2 AddScalar(double s)
+        {
+            this.x += s;
+            this.y += s;
+
+            return this;
+        }
+
+        public Vector2 AddVectors(Vector2 a, Vector2 b)
+        {
+            this.x = a.x + b.x;
+            this.y = a.y + b.y;
+
+            return this;
+        }
+    }
+}

THREE/Math/Vector3.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Vector3
+    {
+    }
+}

THREE/Math/Vector4.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace THREE.Math
+{
+    class Vector4
+    {
+    }
+}

THREE/THREE.csproj

@@ -49,6 +49,17 @@
     <Compile Include="Math\Interpolant.cs" />
     <Compile Include="Math\Line3.cs" />
     <Compile Include="Math\Math.cs" />
+    <Compile Include="Math\Matrix3.cs" />
+    <Compile Include="Math\Matrix4.cs" />
+    <Compile Include="Math\Plane.cs" />
+    <Compile Include="Math\Quaternion.cs" />
+    <Compile Include="Math\Ray.cs" />
+    <Compile Include="Math\Sphere.cs" />
+    <Compile Include="Math\Spherical.cs" />
+    <Compile Include="Math\Triangle.cs" />
+    <Compile Include="Math\Vector2.cs" />
+    <Compile Include="Math\Vector3.cs" />
+    <Compile Include="Math\Vector4.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />