Added script test directory.

TheForceEngine/ScriptTests/Test_VectorMath.fs

@@ -0,0 +1,72 @@
+/////////////////////////////////////////////////////////////
+// Vector Math Tests
+/////////////////////////////////////////////////////////////
+
+// Swizzle
+void test_float2_swizzle()
+{
+	test.beginTest("float2_swizzle");
+	float2 a = float2(1, 2);
+	// float2 -> float2 swizzles.
+	test.expectEq(a.xy, float2(1,2));
+	test.expectEq(a.yx, float2(2,1));
+	test.expectEq(a.xx, float2(1,1));
+	test.expectEq(a.yy, float2(2,2));
+	// float2 -> scalar swizzles.
+	test.expectEq(a.x, 1.0f);
+	test.expectEq(a.y, 2.0f);
+}
+
+// float2 x float2 math
+void test_float2_float2_math()
+{
+	test.beginTest("float2_float2_math");
+	float2 a = float2(1, 2);
+	float2 b = float2(3, 4);
+	float2 c = float2(0, 1);
+	test.expectEq(a + b, float2(4, 6));
+	test.expectEq(a - b, float2(-2, -2));
+	test.expectEq(a * b, float2(3, 8));
+	test.expectEq(a / b, float2(1.0/3.0, 2.0/4.0));
+
+	const float neg45 = math.radians(-45.0); // -45 degrees in radians.
+	// Only concern ourselves with math functions that effect vector types,
+	// scalar/per-component functions should be tested separately.
+	test.expectEq(math.distance(a, b), 2.828427125f);
+	test.expectEq(math.dot(a, b), 11.0f);
+	test.expectEq(math.length(a), 2.2360679775f);
+	test.expectEq(math.normalize(a), float2(0.4472135955, 0.894427191));
+	test.expectEq(math.perp(a, b), -2.0f);
+	test.expectEq(math.sincos(neg45), float2(-0.7071067812, 0.7071067812));
+
+	test.expectTrue(math.all(a));
+	test.expectTrue(math.any(a));
+	test.expectFalse(math.all(c));
+	test.expectTrue(math.any(c));
+}
+
+// float2 x scalar math
+void test_float2_scalar_math()
+{
+	test.beginTest("float2_scalar_math");
+	float2 a = float2(3, 4);
+	test.expectEq(a * 0.0, float2(0));
+	test.expectEq(a * 1.0, float2(3, 4));
+	test.expectEq(a.yx * 0.5, float2(2.0, 1.5));
+
+	test.expectEq(a / 2.0, float2(1.5, 2));
+	test.expectEq(a + 2.0, float2(5, 6));
+	test.expectEq(a - 2.0, float2(1, 2));
+	test.expectEq(a * 2.0, float2(6, 8));
+}
+
+void main()
+{
+	test.beginSystem("Vector Math");
+	{
+		test_float2_swizzle();
+		test_float2_float2_math();
+		test_float2_scalar_math();
+	}
+	test.report();
+}