improve rise/down calc

basic/sun_test.go

@@ -66,3 +66,40 @@ func Test_SunRise(t *testing.T) {
 	fmt.Println(JDE2Date((b)))
 	fmt.Println(time.Now().UnixNano() - a)
 }
+
+func Test_SunTwilightMo(t *testing.T) {
+	cst := time.FixedZone("cst", 8*3600)
+	jde := Date2JDE(time.Date(2023, 10, 3, 15, 59, 0, 0, cst))
+	fmt.Println(GetAsaTime(jde, 113.58880556, 87.66833333, 8, -6))
+
+	for i := 10.0; i < 90.0; i += 0.3 {
+		fmt.Println(i, GetAsaTime(jde, 113.5880556, float64(i), 8, -6))
+	}
+}
+
+func Test_SunTwilightEv(t *testing.T) {
+	cst := time.FixedZone("cst", 8*3600)
+	jde := Date2JDE(time.Date(2023, 10, 3, 15, 59, 0, 0, cst))
+	for i := 10.0; i < 90.0; i += 0.3 {
+		fmt.Println(i, GetBanTime(jde, 115, float64(i), 8, -18))
+	}
+}
+
+func Test_SunRiseRound(t *testing.T) {
+	jde := GetNowJDE()
+	for i := 10.0; i < 90.0; i += 0.3 {
+		fmt.Println(i, GetSunRiseTime(jde, 115, float64(i), 8, 0, 0))
+	}
+}
+func Test_SunDown(t *testing.T) {
+	jde := GetNowJDE()
+	for i := 10.0; i < 90.0; i += 0.3 {
+		fmt.Println(i, GetSunDownTime(jde, 115, float64(i), 8, 0, 0))
+	}
+}
+
+func Test_SunAz(t *testing.T) {
+	cst := time.FixedZone("cst", 8*3600)
+	fmt.Println(SunAngle(Date2JDE(time.Date(2022, 5, 30, 11, 55, 0, 0, cst)),
+		120, 30, 8.0))
+}