//画面を更新する(球体地図)
public void updateScreen2()
{
double hinode_keido, hinoiri_keido, asayake, higure;
int hinoiriX = 0, hinodeX = 0;
int asayakeX = 0, higureX = 0;
double x, y;
double halfPI = Math.PI / 2.0;
//double scrDist = (scrWidth / 2.0) / Math.Tan(scrAngle / 180.0 * Math.PI);
//if (screen == null | screen2 == null) return;
//イメージを初期化
Color opaque = new Color(0, 0, 0, 0);
for (int i = 0; i < shadow.width; i++)
{
for (int j = 0; j < shadow.height; j++)
{
shadow.SetPixel(i, j, opaque);
}
}
EquatorialCoordinate sun = new EquatorialCoordinate();
EquatorialCoordinate moon = new EquatorialCoordinate();
double[] result = new double[3];
double[] result2 = new double[3];
double[] location = new double[2];
double asc = 0.0;
double dec = 0.0;
double moonasc = 0.0;
double moondec = 0.0;
try
{
SunAndMoon.getSunRightAscension(utc, result);
sun.setRightAscension(result[0]);
sun.setCelestialDeclination(result[1]);
sun.setDistance(result[2]);
asc = result[0]; //赤経
dec = result[1]; //赤緯
SunAndMoon.getMoonRightAscension(utc, result);
moon.setRightAscension(result[0]);
moon.setCelestialDeclination(result[1]);
moon.setDistance(result[2]);
moonasc = result[0];
moondec = result[1];
}
catch (Exception) { Debug.Log("Exception1 "); return; }
double phai0 = Almanac.getGreenidgeSiderealTime(utc);//グリニッジ恒星時
//恒星時をもとに、背景の回転を行う（恒星時は春分点の時角)
Material skybox = RenderSettings.skybox;
skybox.SetFloat("_Rotation", (float)-phai0);//時角のマイナス方向に回転。skyboxのマテリアルは左右が逆
//太陽位置計算(orbiterと同じコード)
{
double Theta = phai0 - asc;
if (Theta < 0)
{
Theta += 360.0;
}
double DegToRad = Math.PI / 180;
double denominator = (Math.Sin(dec * DegToRad) * Math.Cos(90.0 * DegToRad) - Math.Cos(dec * DegToRad) * Math.Sin(90.0 * DegToRad) * Math.Cos(Theta * DegToRad));
double A = Math.Atan((-Math.Cos(dec * DegToRad) * Math.Sin(Theta * DegToRad)) / denominator);
double h = Math.Asin(Math.Sin(dec * DegToRad) * Math.Sin(90.0 * DegToRad) + Math.Cos(dec * DegToRad) * Math.Cos(90.0 * DegToRad) * Math.Cos(Theta * DegToRad));
A = A / DegToRad;
h = h / DegToRad;
//Arctanの象限を検討せよ
if (denominator > 0)
{
//何故か解説書とは逆だが、分母が正の時に１８０度加算して象限を変える必要がある
A += 180.0;
}
Vector3 sunvector = new Vector3(1.0f, 0.0f, 0.0f);
sunvector = Quaternion.Euler(0.0f, 0.0f, (float)h) * sunvector;
sunvector = Quaternion.Euler(0.0f, (float)A, 0.0f) * sunvector;
float ratio = 1500.0f / sunvector.magnitude;
sunvector *= ratio;
GameObject game = GameObject.Find("Directional Light");
if (game != null)
{
game.transform.position = sunvector;
Vector3 forward = sunvector;
forward.Normalize();
game.transform.forward = -forward;
}
}
//日の出･日の入りの同時線を描く
double dist = sun.getDistance();
double parallax = SunAndMoon.getSunParallax(dist);//太陽視差
double k = SunAndMoon.getSunriseAltitude(SunAndMoon.getSunDiameter(dist), 0.0, SunAndMoon.refraction, parallax);
double celestialdeclination = sun.getCelestialDeclination();
for (int i = -90; i < 90; i++)
{
//緯度を取得
double latitude = i;//getLatitudeFromY(Yequator - i);
//緯度を元に時角を計算する
double jikaku = SunAndMoon.getTimeAngle(k, celestialdeclination, latitude);
if (!Double.IsNaN(jikaku))//時角がNaNでない
{
hinode_keido = SunAndMoon.reviseAngle(-jikaku + sun.getRightAscension() - phai0);
hinoiri_keido = SunAndMoon.reviseAngle(jikaku + sun.getRightAscension() - phai0);
// hinodeX =(int)getXfromLongitude(hinode_keido);
// hinoiriX = (int)getXfromLongitude(hinoiri_keido);//昼側か調べる
drawShadowTexture(hinode_keido, latitude, Color.white);
drawShadowTexture(hinoiri_keido, latitude, Color.white);
}
}
//輪郭の描画
VesselElements ve = new VesselElements(sun, moon, utc);
SolarEclipse.getCrossPoint(ve, result, result2);
double maxQ = SolarEclipse.getPenumbralQ(ve, result);
double minQ = SolarEclipse.getPenumbralQ(ve, result2);
//Debug.Log("MaxQ = " + maxQ + " minQ = " + minQ);
//月位置計算(orbiterと同じコード)
{
double Theta = phai0 - moonasc;
if (Theta < 0)
{
Theta += 360.0;
}
double DegToRad = Math.PI / 180;
double denominator = (Math.Sin(moondec * DegToRad) * Math.Cos(90.0 * DegToRad) - Math.Cos(moondec * DegToRad) * Math.Sin(90.0 * DegToRad) * Math.Cos(Theta * DegToRad));
double A = Math.Atan((-Math.Cos(moondec * DegToRad) * Math.Sin(Theta * DegToRad)) / denominator);
double h = Math.Asin(Math.Sin(moondec * DegToRad) * Math.Sin(90.0 * DegToRad) + Math.Cos(moondec * DegToRad) * Math.Cos(90.0 * DegToRad) * Math.Cos(Theta * DegToRad));
A = A / DegToRad;
h = h / DegToRad;
//Arctanの象限を検討せよ
if (denominator > 0)
{
//何故か解説書とは逆だが、分母が正の時に１８０度加算して象限を変える必要がある
A += 180.0;
}
Vector3 sunvector = new Vector3(1.0f, 0.0f, 0.0f);
sunvector = Quaternion.Euler(0.0f, 0.0f, (float)h) * sunvector;
sunvector = Quaternion.Euler(0.0f, (float)A, 0.0f) * sunvector;
float ratio = (float)(moon.getDistance() * Constants.AUde * 3.16f) / sunvector.magnitude;
sunvector *= ratio;
//
// Debug.Log("moondist = " + moon.getDistance());
GameObject game = GameObject.Find("Moon");
if (game != null)
{
game.transform.position = sunvector;
}
}
/* Vector3 moonPos = new Vector3((float)ve.getX0(), (float)ve.getY0(), (float)ve.getZ0());
* moonPos.Normalize();
* moonPos *= 20;
* GameObject moonobj = GameObject.Find("Moon");
*
* if (moonobj!= null)
* {
* moonobj.transform.position = moonPos;
* }
*/
//半影の描画
if (Double.IsNaN(maxQ) && Double.IsNaN(minQ))
{
double first_longitude = Double.NaN;
double first_latitude = Double.NaN;
double last_longitude = Double.NaN;
double last_latitude = Double.NaN;
for (double i = 0.0; i <= 360.0; i += 0.2)
{
SolarEclipse.getPenumbralOutline(ve, i, result);
if (Double.IsNaN(result[0]) | Double.IsNaN(result[1]) | Double.IsNaN(result[2]))
{
continue; //NaNが含まれていたらスキップする
}
if (first_longitude == double.NaN | first_latitude == double.NaN)
{
first_longitude = result[0];
first_latitude = result[1];
}
last_longitude = result[0];
last_latitude = result[1];
Coordinate.transformICRStoGCS(ve, result, location);
drawShadowTexture(location[0], location[1], Color.red);
}
//Debug.Log(first_longitude + ":" + first_latitude + "::" + last_longitude + ":" + last_latitude);
}
else if (!Double.IsNaN(maxQ) && !Double.IsNaN(minQ))
{
double first_x = double.NaN;
double first_y = double.NaN;
double first_z = double.NaN;
double last_x = double.NaN;
double last_y = double.NaN;
double last_z = double.NaN;
if ((maxQ - minQ) >= 0.0)
{
maxQ -= 360.0;
}
SolarEclipse.getPenumbralOutline(ve, maxQ, result);
Coordinate.transformICRStoGCS(ve, result, location);
//Debug.Log("MaxQ :" + location[0] + ":" + location[1]+ ":" + maxQ);
SolarEclipse.getPenumbralOutline(ve, minQ, result);
Coordinate.transformICRStoGCS(ve, result, location);
//Debug.Log("MinQ :" + location[0] + ":" + location[1] + ":" + minQ);
/*
* //maxQが通常の計算でNaNとなる場合に備えて、強制的に描画する。
* SolarEclipse.getPenumbralOutline(ve, maxQ, result);
* result[2] = -0.01;//強制的に基準面に設定する
* Coordinate.transformICRStoGCS(ve, result, location);
* drawShadowTexture(location[0], location[1], Color.black);
*/
for (double i = maxQ /*Math.Ceiling(maxQ)*/; i < minQ; i += 0.2)
{
SolarEclipse.getPenumbralOutline(ve, i, result);
if (Double.IsNaN(result[0]) | Double.IsNaN(result[1]) | Double.IsNaN(result[2]))
{
continue; //NaNが含まれていたらスキップする
}
if (Double.IsNaN(first_x) | Double.IsNaN(first_y) | Double.IsNaN(first_z))
{
first_x = result[0];
first_y = result[1];
first_z = result[2];
}
last_x = result[0];
last_y = result[1];
last_z = result[2];
Coordinate.transformICRStoGCS(ve, result, location);
drawShadowTexture(location[0], location[1], Color.red);
}
{
SolarEclipse.getPenumbralOutline(ve, minQ, result);
if (!Double.IsNaN(result[0]) & !Double.IsNaN(result[1]) & !Double.IsNaN(result[2]))
{
Coordinate.transformICRStoGCS(ve, result, location);
last_x = result[0];
last_y = result[2];
last_z = result[1];
drawShadowTexture(location[0], location[1], Color.red);
}
}
//drawClosingLine2(ve, first_x, first_y, first_z, last_x, last_y, last_z);
//Debug.Log(first_longitude + ":" + first_latitude + "::" + last_longitude + ":" + last_latitude);
/*
* //minQが通常の計算でNaNとなる場合に備えて、強制的に描画する。
* SolarEclipse.getPenumbralOutline(ve, minQ, result);
* result[2] = -0.01;//強制的に基準面に設定する
* Coordinate.transformICRStoGCS(ve, result, location);
* drawShadowTexture(location[0], location[1], Color.red);
*/
}
//本影の描画
for (int i = 0; i <= 360; i += 5)
{
SolarEclipse.getUmbralOutline(ve, (double)i, result);
if (Double.IsNaN(result[0]) | Double.IsNaN(result[1]) | Double.IsNaN(result[2]))
{
continue; //NaNが含まれていたらスキップする
}
Coordinate.transformICRStoGCS(ve, result, location);
drawShadowTexture(location[0], location[1], Color.black);
}
GameObject earthobj = GameObject.Find("perfectsphere");
Material[] mats = earthobj.GetComponent <Renderer>().materials;
Debug.Log("elements =" + mats.Length);
mats[0].SetTexture("_MainTex", (Texture)shadow);
//mats[1].SetTexture("_EmissionMap", shadow);
//repaint();
}
public void drawLines()
{
//テクスチャ初期化
Color opaque = new Color(0, 0, 0, 0);
for (int i = 0; i < shadow.width; i++)
{
for (int j = 0; j < shadow.height; j++)
{
shadow.SetPixel(i, j, opaque);
}
}
EquatorialCoordinate sun = new EquatorialCoordinate();
EquatorialCoordinate moon = new EquatorialCoordinate();
double[] result = new double[3];
double[] result2 = new double[3];
double[] location = new double[2];
double asc = 0.0;
double dec = 0.0;
double moonasc = 0.0;
double moondec = 0.0;
try
{
SunAndMoon.getSunRightAscension(utc, result);
sun.setRightAscension(result[0]);
sun.setCelestialDeclination(result[1]);
sun.setDistance(result[2]);
asc = result[0]; //赤経
dec = result[1]; //赤緯
SunAndMoon.getMoonRightAscension(utc, result);
moon.setRightAscension(result[0]);
moon.setCelestialDeclination(result[1]);
moon.setDistance(result[2]);
moonasc = result[0];
moondec = result[1];
}
catch (Exception) { Debug.Log("Exception1 "); return; }
double phai0 = Almanac.getGreenidgeSiderealTime(utc);//グリニッジ恒星時
//太陽位置を計算してライトの位置と向きを変更する
{
//恒星時をもとに、背景の回転を行う（恒星時は春分点の時角)
Material skybox = RenderSettings.skybox;
skybox.SetFloat("_Rotation", (float)-phai0);//時角のマイナス方向に回転。skyboxのマテリアルは左右が逆
//赤緯・赤経は北極から見て時計回り。自覚、恒星時は反時計回り。時角に合わせて計算する
//float ramda = -(float)((-asc + phai0) * DegToRad);これを書き換えて下の式になる
float ramda = (float)((asc - phai0) * DegToRad);
float psy = (float)(dec * DegToRad);
float sundistance = 400;
float x = Mathf.Cos(psy) * Mathf.Cos(ramda) * sundistance;
float y = Mathf.Cos(psy) * Mathf.Sin(ramda) * sundistance;
float z = Mathf.Sin(psy) * sundistance;
GameObject light = GameObject.Find("Directional Light");
Vector3 sunpos = light.transform.position;
sunpos.Set(x, z, y);
light.transform.position = sunpos;
sunpos.Normalize();
sunpos *= -1;
light.transform.forward = sunpos;
}
/*
* //日の出･日の入りの同時線を描く
* {
* double dist = sun.getDistance();
* double parallax = SunAndMoon.getSunParallax(dist);//太陽視差
* double k = SunAndMoon.getSunriseAltitude(SunAndMoon.getSunDiameter(dist), 0.0, SunAndMoon.refraction, parallax);
* double celestialdeclination = sun.getCelestialDeclination();
*
* for (int i = -90; i < 90; i++)
* {
* //緯度を取得
* double latitude = i;//getLatitudeFromY(Yequator - i);
*
* //緯度を元に時角を計算する
* double jikaku = SunAndMoon.getTimeAngle(k, celestialdeclination, latitude);
*
* if (!Double.IsNaN(jikaku))//時角がNaNでない
* {
* double hinode_keido = SunAndMoon.reviseAngle(-jikaku + sun.getRightAscension() - phai0);
* double hinoiri_keido = SunAndMoon.reviseAngle(jikaku + sun.getRightAscension() - phai0);
* // hinodeX =(int)getXfromLongitude(hinode_keido);
* // hinoiriX = (int)getXfromLongitude(hinoiri_keido);//昼側か調べる
* drawShadowTexture(hinode_keido, latitude, Color.white);
* drawShadowTexture(hinoiri_keido, latitude, Color.white);
* }
* }
* }
*/
//輪郭の描画
//ベッセル数
VesselElements ve = new VesselElements(sun, moon, utc);
SolarEclipse.getCrossPoint(ve, result, result2);
//月影と地球外円との交点を調べる
double maxQ = SolarEclipse.getPenumbralQ(ve, result);
double minQ = SolarEclipse.getPenumbralQ(ve, result2);
//Debug.Log("MaxQ = " + maxQ + " minQ = " + minQ);
//半影の描画
if (Double.IsNaN(maxQ) && Double.IsNaN(minQ))
{
//交点が存在しない場合。月影がすべて地球上に投射されている。
double first_longitude = Double.NaN;
double first_latitude = Double.NaN;
double last_longitude;
double last_latitude;
Color gray = new Color(0, 0, 0, 0.4f);
//初期の点
SolarEclipse.getPenumbralOutline(ve, 0.0, result);
Coordinate.transformICRStoGCS(ve, result, location);
last_longitude = location[0];
last_latitude = location[1];
bool fill = true;
for (double i = 1.0; i <= 360.0; i += 1.0)
{
SolarEclipse.getPenumbralOutline(ve, i, result2);
if (Double.IsNaN(result2[0]) | Double.IsNaN(result2[1]) | Double.IsNaN(result2[2]))
{
fill = false;
continue;//NaNが含まれていたらスキップする
}
Coordinate.transformICRStoGCS(ve, result2, location);
// drawShadowTexture(location[0], location[1], gray);
//Debug.Log("i=" + i + ":" +location[0] + ":" + location[1]);
drawOutline(last_longitude, last_latitude, location[0], location[1], Color.red);
last_longitude = location[0];
last_latitude = location[1];
}
if (fill)
{
fillShadow(last_longitude - 2, last_latitude, shadow, gray);
}
/*
* byte[] pngData = shadow.EncodeToPNG(); // pngのバイト情報を取得.
*
* // ファイルダイアログの表示.
* string filePath = EditorUtility.SaveFilePanel("Save Texture", "", shadow.name + ".png", "png");
*
* if (filePath.Length > 0)
* {
* // pngファイル保存.
* File.WriteAllBytes(filePath, pngData);
* }
*/
//Debug.Log(first_longitude + ":" + first_latitude + "::" + last_longitude + ":" + last_latitude);
}
else if (!Double.IsNaN(maxQ) && !Double.IsNaN(minQ))//交点が存在する
{
double first_x = double.NaN;
double first_y = double.NaN;
double first_z = double.NaN;
double last_x = double.NaN;
double last_y = double.NaN;
double last_z = double.NaN;
Color gray = new Color(0, 0, 0, 0.4f);
if ((maxQ - minQ) >= 0.0)
{
maxQ -= 360.0;
}
SolarEclipse.getPenumbralOutline(ve, maxQ, result);
Coordinate.transformICRStoGCS(ve, result, location);
//Debug.Log("MaxQ :" + location[0] + ":" + location[1]+ ":" + maxQ);
SolarEclipse.getPenumbralOutline(ve, minQ, result);
Coordinate.transformICRStoGCS(ve, result, location);
//Debug.Log("MinQ :" + location[0] + ":" + location[1] + ":" + minQ);
/*
* //maxQが通常の計算でNaNとなる場合に備えて、強制的に描画する。
* SolarEclipse.getPenumbralOutline(ve, maxQ, result);
* result[2] = -0.01;//強制的に基準面に設定する
* Coordinate.transformICRStoGCS(ve, result, location);
* drawShadowTexture(location[0], location[1], Color.black);
*/
for (double i = maxQ /*Math.Ceiling(maxQ)*/; i < minQ; i += 0.2)
{
SolarEclipse.getPenumbralOutline(ve, i, result);
if (Double.IsNaN(result[0]) | Double.IsNaN(result[1]) | Double.IsNaN(result[2]))
{
continue; //NaNが含まれていたらスキップする
}
if (Double.IsNaN(first_x) | Double.IsNaN(first_y) | Double.IsNaN(first_z))
{
first_x = result[0];
first_y = result[1];
first_z = result[2];
}
last_x = result[0];
last_y = result[1];
last_z = result[2];
Coordinate.transformICRStoGCS(ve, result, location);
drawShadowTexture(location[0], location[1], gray);
}
{
SolarEclipse.getPenumbralOutline(ve, minQ, result);
if (!Double.IsNaN(result[0]) & !Double.IsNaN(result[1]) & !Double.IsNaN(result[2]))
{
Coordinate.transformICRStoGCS(ve, result, location);
last_x = result[0];
last_y = result[2];
last_z = result[1];
drawShadowTexture(location[0], location[1], gray);
}
}
}
//本影の描画
for (int i = 0; i <= 360; i += 5)
{
SolarEclipse.getUmbralOutline(ve, (double)i, result);
if (Double.IsNaN(result[0]) | Double.IsNaN(result[1]) | Double.IsNaN(result[2]))
{
continue; //NaNが含まれていたらスキップする
}
Coordinate.transformICRStoGCS(ve, result, location);
drawShadowTexture(location[0], location[1], Color.black);
}
//
shadow.Apply();
}