C# (CSharp) Matrix22D.CreateRotation示例

        public void CreateRotation2()
        {
            double    angle = (double)MathHelper.ToRadians(30);
            Matrix22D m     = Matrix22D.CreateRotation(angle);

            Assert.IsTrue(Vector2D.AreNumericallyEqual(new Vector2D((double)Math.Cos(angle), (double)Math.Sin(angle)), m * Vector2D.UnitX));
        }

示例#2

显示文件

文件： Matrix22DTest.cs 项目： terrynoya/DigitalRune

        public void CreateRotation()
        {
            Matrix22D m = Matrix22D.CreateRotation(0.0);

            Assert.AreEqual(Matrix22D.Identity, m);

            m = Matrix22D.CreateRotation((double)Math.PI / 2);
            Assert.IsTrue(Vector2D.AreNumericallyEqual(Vector2D.UnitY, m * Vector2D.UnitX));
        }