OSGraphicDraw

OSGraphicDraw/Vec3.cs

@@ -0,0 +1,39 @@
+using System;
+
+namespace CMLeonOS.OSGraphicDraw
+{
+    internal struct Vec3
+    {
+        internal double X;
+        internal double Y;
+        internal double Z;
+
+        internal Vec3(double x, double y, double z)
+        {
+            X = x;
+            Y = y;
+            Z = z;
+        }
+
+        internal static Vec3 RotateX(Vec3 v, double radians)
+        {
+            double c = Math.Cos(radians);
+            double s = Math.Sin(radians);
+            return new Vec3(v.X, (v.Y * c) - (v.Z * s), (v.Y * s) + (v.Z * c));
+        }
+
+        internal static Vec3 RotateY(Vec3 v, double radians)
+        {
+            double c = Math.Cos(radians);
+            double s = Math.Sin(radians);
+            return new Vec3((v.X * c) + (v.Z * s), v.Y, (-v.X * s) + (v.Z * c));
+        }
+
+        internal static Vec3 RotateZ(Vec3 v, double radians)
+        {
+            double c = Math.Cos(radians);
+            double s = Math.Sin(radians);
+            return new Vec3((v.X * c) - (v.Y * s), (v.X * s) + (v.Y * c), v.Z);
+        }
+    }
+}