public void TestAngleFromVector2()
{
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(Vector2.right), 0f));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(Vector2.up), CPMath.PI * 0.5f));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(Vector2.left), CPMath.PI));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(Vector2.down), -CPMath.PI * 0.5f));
float angle1 = 0.132f;
Vector2 vec1 = CPMath.AngleToVector2(angle1);
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(vec1), angle1));
float angle2 = 2.834f;
Vector2 vec2 = CPMath.AngleToVector2(angle2);
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(vec2), angle2));
float angle3 = 4.324f;
Vector2 vec3 = CPMath.AngleToVector2(angle3);
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(vec3), angle3 - CPMath.TAU));
float angle4 = 6.123f;
Vector2 vec4 = CPMath.AngleToVector2(angle4);
Assert.IsTrue(TestUtils.Approx(CPMath.AngleFromVector2(vec4), angle4 - CPMath.TAU));
}
public void TestAngleToVector2()
{
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(0f), Vector2.right));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(CPMath.PI * 0.5f), Vector2.up));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(CPMath.PI), Vector2.left));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(CPMath.PI * 1.5f), Vector2.down));
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(CPMath.PI * 2f), Vector2.right));
Vector2 vec1 = new Vector2(3f, 9f);
float angle1 = CPMath.AngleFromVector2(vec1);
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(angle1), vec1.normalized));
Vector2 vec2 = new Vector2(-2.34f, 9.8f);
float angle2 = CPMath.AngleFromVector2(vec2) - CPMath.TAU;
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(angle2), vec2.normalized));
Vector2 vec3 = new Vector2(-2f, -100f);
float angle3 = CPMath.AngleFromVector2(vec3) + 2f * CPMath.TAU;
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(angle3), vec3.normalized));
Vector2 vec4 = new Vector2(3.45f, -9f);
float angle4 = CPMath.AngleFromVector2(vec4) - 3f * CPMath.TAU;
Assert.IsTrue(TestUtils.Approx(CPMath.AngleToVector2(angle4), vec4.normalized));
}