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Refactor for AB4

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This commit is contained in:
Lorenz Stechauner
2022-04-27 19:00:45 +02:00
parent 60ea5aa6f4
commit cf188f1b2d
10 changed files with 159 additions and 211 deletions
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2
angabe/Aufgabenblatt2.md
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@ -61,5 +61,3 @@ Himmelskörpern:
- Implementierung von `BodyForceMap`: 2 Punkte
- Anpassung von `Simulation`: 1 Punkt
- Gesamt: 5 Punkte

1
angabe/Aufgabenblatt3.md
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@ -47,4 +47,3 @@ Allgemeiner Hinweis: bei einigen Methoden sind Vorbedingungen (_pre-conditions_)
- Implementierung von `BodyForceTreeMap`: 2 Punkte
- Implementierung von `Simulation3`: 1 Punkt
- Gesamt: 5 Punkte

5
angabe/Aufgabenblatt4.md
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@ -106,7 +106,7 @@ wird. Sie dürfen hier keine Typumwandlungen (Casts) und auch nicht die Methoden
- Es ist möglich, aber nicht verlangt, `addForceTo(CosmicSystem cs)` ohne Verwendung von
`getBodies()` zu implementieren. Dazu kann in `addForceTo(CosmicSystem cs)` der Zugriff auf
die eizelnen Körper in `cs` dadurch erreicht werden, dass `this` für alle seine Himmelskörper
die einzelnen Körper in `cs` dadurch erreicht werden, dass `this` für alle seine Himmelskörper
und Untersysteme `addForceTo(cs)` aufruft. Wird beim rekursiven Abstieg ein einzelner Himmelskörper
erreicht (Blattknoten) ruft dieser `cs.addForceFrom(this)` auf.
@ -120,6 +120,3 @@ verändert wird, wenn `this` und `b` derselbe Himmelskörper sind.
- Implementierung von `Simulation4`: 1 Punkte
- Gesamt: 5 Punkte

204
src/Aufgabe4Test.java
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@ -1,112 +1,78 @@
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class Aufgabe4Test {
public static void main(String[] args) {
private NamedBodyForcePair sun2, mercury2, venus2, earth2, moon2, mars2, deimos2, phobos2, vesta2, pallas2, hygiea2, ceres2;
public void resetBodies() {
sun2 = new NamedBodyForcePair(SolSystem4.SUN);
earth2 = new NamedBodyForcePair(SolSystem4.EARTH);
moon2 = new NamedBodyForcePair(SolSystem4.MOON);
mars2 = new NamedBodyForcePair(SolSystem4.MARS);
deimos2 = new NamedBodyForcePair(SolSystem4.DEIMOS);
phobos2 = new NamedBodyForcePair(SolSystem4.PHOBOS);
mercury2 = new NamedBodyForcePair(SolSystem4.MERCURY);
venus2 = new NamedBodyForcePair(SolSystem4.VENUS);
vesta2 = new NamedBodyForcePair(SolSystem4.VESTA);
pallas2 = new NamedBodyForcePair(SolSystem4.PALLAS);
hygiea2 = new NamedBodyForcePair(SolSystem4.HYGIEA);
ceres2 = new NamedBodyForcePair(SolSystem4.CERES);
}
@Test
public void testEP2() {
assertEquals(2, 3);
//TODO: uncomment for testing
/*
//test classes HierachicalSystem and NamedBodyForcePair
//test classes HierarchicalSystem and NamedBodyForcePair
// create 12 bodies
Body sun1, earth1, moon1, mars1, deimos1, phobos1, mercury1, venus1, vesta1, pallas1,
hygiea1, ceres1;
NamedBodyForcePair sun2, mercury2, venus2, earth2, moon2, mars2, deimos2, phobos2, vesta2,
pallas2, hygiea2, ceres2;
Body sun1, earth1, moon1, mars1, deimos1, phobos1, mercury1, venus1, vesta1, pallas1, hygiea1, ceres1;
sun1 = new Body(1.989E30, new Vector3(0.0, 0.0, 0.0), new Vector3(0.0, 0.0, 0.0));
earth1 = new Body(5.972E24, new Vector3(-6.13135922534815E10, -1.383789852227691E11, 2.719682263474911E7), new Vector3(26832.720535473603, -11948.23168764519, 1.9948243075997851));
moon1 = new Body(7.349E22, new Vector3(-6.132484773775896E10, -1.387394951280871E11, 1.701046736294776E7), new Vector3(27916.62329282941, -12020.39526008238, -94.89703264508708));
mars1 = new Body(6.41712E23, new Vector3(-1.7923193702925848E11, 1.726665823982123E11, 7.991673845249474E9), new Vector3(-15925.78496403673, -15381.16179928219, 68.67560910598857));
deimos1 = new Body(1.8E20, new Vector3(-1.792255010450533E11, 1.726891122683271E11, 7.990659337380297E9), new Vector3(-17100.476719804457, -15020.348656808, 631.2927851249581));
phobos1 = new Body(1.08E20, new Vector3(-1.792253482539647E11, 1.72661109673625E11, 7.987848354800322E9), new Vector3(-14738.203714241401, -13671.17675223948, -411.0012490555253));
mercury1 = new Body(3.301E23, new Vector3(-5.167375560011926E10, -4.217574885682655E10, 1.14808913958168E9), new Vector3(21580.25398577148, -34951.03632847389, -4835.225596525241));
venus1 = new Body(4.86747E24, new Vector3(-3.123150865740532E10, 1.0395568504115701E11, 3.173401325838074E9), new Vector3(-33748.180519629335, -10014.25141045021, 1809.94488874165));
vesta1 = new Body(2.5908E20, new Vector3(-3.337493557929893E11, -4.7147908276077385E10, 4.1923010146878105E10), new Vector3(4440.54247538484, -19718.49074006637, 48.06573124543601));
pallas1 = new Body(2.14E20, new Vector3(4.3452066613895575E11, -2.057319365171432E11, 1.0549957423213101E11), new Vector3(5058.947582097117, 11184.45711782372, -8183.524138259704));
hygiea1 = new Body(8.32E19, new Vector3(-3.983943433707043E11, 2.325833000024021E11, -2.233667695713672E10), new Vector3(-6931.864585548552, -15686.8108598699, -690.5791992347208));
ceres1 = new Body(9.394E20, new Vector3(3.781372641419032E11, 1.96718960466285E11, -6.366459168068592E10), new Vector3(-8555.324226752316, 14718.33755980907, 2040.230135060142));
sun1 = new Body(1.989E30, new Vector3(0.0,0.0,0.0), new Vector3(0.0,0.0,
0.0));
earth1 = new Body(5.972E24, new Vector3(-6.13135922534815E10,-1.383789852227691E11,
2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
moon1 = new Body(7.349E22, new Vector3(-6.132484773775896E10,-1.387394951280871E11,
1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
mars1 = new Body(6.41712E23, new Vector3(-1.7923193702925848E11,1.726665823982123E11
,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
deimos1 = new Body(1.8E20, new Vector3(-1.792255010450533E11,1.726891122683271E11,
7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
phobos1 = new Body(1.08E20, new Vector3(-1.792253482539647E11,1.72661109673625E11,
7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
mercury1 = new Body(3.301E23, new Vector3(-5.167375560011926E10,
-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
venus1 = new Body(4.86747E24, new Vector3(-3.123150865740532E10,
1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
vesta1 = new Body(2.5908E20, new Vector3(-3.337493557929893E11,
-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
pallas1 = new Body(2.14E20, new Vector3(4.3452066613895575E11,-2.057319365171432E11,
1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
hygiea1 = new Body(8.32E19, new Vector3(-3.983943433707043E11,2.325833000024021E11,
-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
ceres1 = new Body(9.394E20, new Vector3(3.781372641419032E11,1.96718960466285E11,
-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
Body[] bodies = new Body[]{sun1, mercury1, venus1, earth1, moon1, mars1, deimos1, phobos1,
vesta1, pallas1, hygiea1, ceres1};
Body[] bodies = new Body[]{sun1, mercury1, venus1, earth1, moon1, mars1, deimos1, phobos1, vesta1, pallas1, hygiea1, ceres1};
Vector3[] forceOnBody = new Vector3[bodies.length];
resetBodies();
NamedBodyForcePair[] pairs = new NamedBodyForcePair[]{sun2, mercury2, venus2, earth2, moon2, mars2, deimos2, phobos2, vesta2, pallas2, hygiea2, ceres2};
// create the same 12 named body-force pairs
sun2 = new NamedBodyForcePair("Sun",1.989E30, new Vector3(0.0,0.0,0.0)
, new Vector3(0.0,0.0,0.0));
earth2 = new NamedBodyForcePair("Earth",5.972E24,
new Vector3(-6.13135922534815E10,-1.383789852227691E11,2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
moon2 = new NamedBodyForcePair("Moon",7.349E22,
new Vector3(-6.132484773775896E10,-1.387394951280871E11,1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
mars2 = new NamedBodyForcePair("Mars",6.41712E23,
new Vector3(-1.7923193702925848E11,1.726665823982123E11,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
deimos2 = new NamedBodyForcePair("Deimos",1.8E20,
new Vector3(-1.792255010450533E11,1.726891122683271E11,7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
phobos2 = new NamedBodyForcePair("Phobos",1.08E20,
new Vector3(-1.792253482539647E11,1.72661109673625E11,7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
mercury2 = new NamedBodyForcePair("Mercury",3.301E23,
new Vector3(-5.167375560011926E10,-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
venus2 = new NamedBodyForcePair("Venus",4.86747E24,
new Vector3(-3.123150865740532E10,1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
vesta2 = new NamedBodyForcePair("Vesta",2.5908E20,
new Vector3(-3.337493557929893E11,-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
pallas2 = new NamedBodyForcePair("Pallas",2.14E20,
new Vector3(4.3452066613895575E11,-2.057319365171432E11,1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
hygiea2 = new NamedBodyForcePair("Hygiea",8.32E19,
new Vector3(-3.983943433707043E11,2.325833000024021E11,-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
ceres2 = new NamedBodyForcePair("Ceres",9.394E20,
new Vector3(3.781372641419032E11,1.96718960466285E11,-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
NamedBodyForcePair[] pairs = new NamedBodyForcePair[] {sun2, mercury2, venus2, earth2,
moon2, mars2, deimos2, phobos2,
vesta2, pallas2, hygiea2, ceres2};
// check basic functions of 'HierachicalSystem'
System.out.println("Test1:");
// check basic functions of 'HierarchicalSystem'
CosmicSystem earthSystem = new HierarchicalSystem(earth2, moon2);
CosmicSystem marsSystem = new HierarchicalSystem(mars2, deimos2, phobos2);
CosmicSystem solarSystem = new HierarchicalSystem(sun2, mercury2, venus2, earthSystem,
marsSystem, vesta2, pallas2, hygiea2, ceres2);
CosmicSystem solarSystem = new HierarchicalSystem(sun2, mercury2, venus2, earthSystem, marsSystem, vesta2, pallas2, hygiea2, ceres2);
testValue(earthSystem.numberOfBodies(), 2);
testValue(solarSystem.numberOfBodies(), 12);
assertEquals(2, earthSystem.numberOfBodies());
assertEquals(12, solarSystem.numberOfBodies());
System.out.println("Test2:");
System.out.println(solarSystem.toString());
testValue(solarSystem.toString().contains("Mars"), true);
testValue(solarSystem.toString().contains("Deimos"), true);
testValue(solarSystem.toString().contains("Moon"), true);
testValue(earthSystem.toString().contains("Moon"), true);
testValue(earthSystem.toString().contains("Earth"), true);
assertTrue(solarSystem.toString().contains("Mars"));
assertTrue(solarSystem.toString().contains("Deimos"));
assertTrue(solarSystem.toString().contains("Moon"));
assertTrue(earthSystem.toString().contains("Moon"));
assertTrue(earthSystem.toString().contains("Earth"));
System.out.println("Test3:");
testValue(solarSystem.getMass(),1.9890118865556799E30);
assertEquals(1.9890118865556799E30, solarSystem.getMass());
System.out.println("Test4:");
BodyLinkedList bl = solarSystem.getBodies();
testValue(bl.size(),12);
assertEquals(12, bl.size());
HashSet<Body> set = new HashSet<>();
while(bl.size() > 0) {
while (bl.size() > 0) {
set.add(bl.pollFirst());
}
testValue(set.size(), 12);
assertEquals(12, set.size());
System.out.println("Test5:");
for (int seconds = 0; seconds < 50000; seconds++) {
// for each body (with index i): compute the total force exerted on it.
for (int i = 0; i < bodies.length; i++) {
@ -129,41 +95,12 @@ public class Aufgabe4Test {
}
for (int i = 0; i < bodies.length; i++) {
testValue(bodies[i].massCenter().distanceTo(pairs[i].getMassCenter()),0);
assertEquals(0, bodies[i].massCenter().distanceTo(pairs[i].getMassCenter()));
}
System.out.println("Test6:");
sun2 = new NamedBodyForcePair("Sun",1.989E30, new Vector3(0.0,0.0,0.0)
, new Vector3(0.0,0.0,0.0));
earth2 = new NamedBodyForcePair("Earth",5.972E24,
new Vector3(-6.13135922534815E10,-1.383789852227691E11,2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
moon2 = new NamedBodyForcePair("Moon",7.349E22,
new Vector3(-6.132484773775896E10,-1.387394951280871E11,1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
mars2 = new NamedBodyForcePair("Mars",6.41712E23,
new Vector3(-1.7923193702925848E11,1.726665823982123E11,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
deimos2 = new NamedBodyForcePair("Deimos",1.8E20,
new Vector3(-1.792255010450533E11,1.726891122683271E11,7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
phobos2 = new NamedBodyForcePair("Phobos",1.08E20,
new Vector3(-1.792253482539647E11,1.72661109673625E11,7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
mercury2 = new NamedBodyForcePair("Mercury",3.301E23,
new Vector3(-5.167375560011926E10,-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
venus2 = new NamedBodyForcePair("Venus",4.86747E24,
new Vector3(-3.123150865740532E10,1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
vesta2 = new NamedBodyForcePair("Vesta",2.5908E20,
new Vector3(-3.337493557929893E11,-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
pallas2 = new NamedBodyForcePair("Pallas",2.14E20,
new Vector3(4.3452066613895575E11,-2.057319365171432E11,1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
hygiea2 = new NamedBodyForcePair("Hygiea",8.32E19,
new Vector3(-3.983943433707043E11,2.325833000024021E11,-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
ceres2 = new NamedBodyForcePair("Ceres",9.394E20,
new Vector3(3.781372641419032E11,1.96718960466285E11,-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
pairs = new NamedBodyForcePair[] {sun2, mercury2, venus2, earth2,
moon2, mars2, deimos2, phobos2,
vesta2, pallas2, hygiea2, ceres2};
HierarchicalSystem hs = new HierarchicalSystem(sun2, mercury2, venus2,
new HierarchicalSystem(earth2, moon2), new HierarchicalSystem(mars2, deimos2,
phobos2), vesta2, pallas2, hygiea2, ceres2);
resetBodies();
pairs = new NamedBodyForcePair[]{sun2, mercury2, venus2, earth2, moon2, mars2, deimos2, phobos2, vesta2, pallas2, hygiea2, ceres2};
HierarchicalSystem hs = new HierarchicalSystem(sun2, mercury2, venus2, new HierarchicalSystem(earth2, moon2), new HierarchicalSystem(mars2, deimos2, phobos2), vesta2, pallas2, hygiea2, ceres2);
for (int seconds = 0; seconds < 50000; seconds++) {
hs.addForceTo(hs);
@ -171,35 +108,8 @@ public class Aufgabe4Test {
}
for (int i = 0; i < bodies.length; i++) {
testValue(bodies[i].massCenter().distanceTo(pairs[i].getMassCenter()),0);
assertEquals(0, bodies[i].massCenter().distanceTo(pairs[i].getMassCenter()));
}
*/ //TODO: uncomment
}
public static void testComparison(Object first, Object second, boolean expected) {
boolean real = first == second;
if (real == expected) {
System.out.println("Successful comparison");
} else {
System.out.println("Comparison NOT successful! Expected value: " + expected + " / Given value: " + real);
}
}
public static void testValue(Object given, Object expected) {
if (given == expected) {
System.out.println("Successful test");
} else {
System.out.println("Test NOT successful! Expected value: " + expected + " / Given value: " + given);
}
}
public static void testValue(double given, double expected) {
if (given < expected + (expected + 1) / 1e12 && given > expected - (expected + 1) / 1e12) {
System.out.println("Successful test");
} else {
System.out.println("Test NOT successful! Expected value: " + expected + " / Given value: " + given);
}
}
}

60
src/CosmicSystem.java
View File

@ -1,41 +1,59 @@
// A representation of a system of bodies with associated forces. Provides methods
// for computing current mutual forces, updating the positions of bodies and drawing
// the bodies in a CodeDraw object.
//
/**
* A representation of a system of bodies with associated forces. Provides methods
* for computing current mutual forces, updating the positions of bodies and drawing
* the bodies in a CodeDraw object.
*/
public interface CosmicSystem extends Drawable {
// Returns a readable representation of this system.
/**
* Returns a readable representation of this system.
*/
String toString();
// Returns the mass center of this system.
/**
* Returns the mass center of this system.
*/
Vector3 getMassCenter();
// Returns the overall mass of this system.
/**
* Returns the overall mass of this system.
*/
double getMass();
// Returns the overall number of bodies contained in this system.
/**
* Returns the overall number of bodies contained in this system.
*/
int numberOfBodies();
// Returns the distance between the mass centers of 'this' and the specified system.
//Precondition: cs != null
/**
* Returns the distance between the mass centers of 'this' and the specified system.
* Precondition: cs != null
*/
double distanceTo(CosmicSystem cs);
// Adds the force that the specified body exerts on each of this systems bodies to each of this
// systems bodies.
// Precondition: b != null
/**
* Adds the force that the specified body exerts on each of this systems bodies to each of this
* systems bodies.
* Precondition: b != null
*/
void addForceFrom(Body b);
// Adds the force that this system exerts on each of the bodies of 'cs' to the bodies in 'cs'.
// For exact computations this means that for each body of 'this' its force on each body of
// 'cs' is added to this body of 'cs'.
// Precondition: cs != null
/**
* Adds the force that this system exerts on each of the bodies of 'cs' to the bodies in 'cs'.
* For exact computations this means that for each body of 'this' its force on each body of
* 'cs' is added to this body of 'cs'.
* Precondition: cs != null
*/
void addForceTo(CosmicSystem cs);
// Returns a list with all the bodies of 'this'. The order is not defined.
/**
* Returns a list with all the bodies of 'this'. The order is not defined.
*/
BodyLinkedList getBodies();
// Moves each of the bodies of 'this' according to the previously accumulated forces and
// resets all forces to zero.
/**
* Moves each of the bodies of 'this' according to the previously accumulated forces and
* resets all forces to zero.
*/
void update();
}

11
src/Drawable.java
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@ -1,10 +1,13 @@
import codedraw.CodeDraw;
// An object that can be drawn in a CodeDraw canvas.
//
/**
* An object that can be drawn in a CodeDraw canvas.
*/
public interface Drawable {
//draws the object into the canvas 'cd'
//Precondition: cd != null
/**
* draws the object into the canvas 'cd'
* Precondition: cd != null
*/
void draw(CodeDraw cd);
}

14
src/HierarchicalSystem.java
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@ -1,14 +1,16 @@
// A cosmic system that is composed of a central named body (of type 'NamedBodyForcePair')
// and an arbitrary number of subsystems (of type 'HierarchicalSystem') in its orbit.
// This class implements 'CosmicSystem'.
//
/**
* A cosmic system that is composed of a central named body (of type 'NamedBodyForcePair')
* and an arbitrary number of subsystems (of type 'HierarchicalSystem') in its orbit.
* This class implements 'CosmicSystem'.
*/
public class HierarchicalSystem /* TODO: add clause */ {
// TODO: define missing parts of this class.
// Initializes this system with a name and a central body.
/**
* Initializes this system with a name and a central body.
*/
public HierarchicalSystem(NamedBodyForcePair central, CosmicSystem... inOrbit) {
// TODO: implement constructor.
}
}

23
src/NamedBodyForcePair.java
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@ -1,21 +1,28 @@
// A body with a name and an associated force. The leaf node of
// a hierarchical cosmic system. This class implements 'CosmicSystem'.
//
/**
* A body with a name and an associated force. The leaf node of
* a hierarchical cosmic system. This class implements 'CosmicSystem'.
*/
public class NamedBodyForcePair /* TODO: add clause */ {
// TODO: define missing parts of this class.
// Initializes this with name, mass, current position and movement. The associated force
// is initialized with a zero vector.
/**
* Initializes this with name, mass, current position and movement. The associated force
* is initialized with a zero vector.
*/
public NamedBodyForcePair(String name, double mass, Vector3 massCenter, Vector3 currentMovement) {
// TODO: implement constructor.
}
// Returns the name of the body.
public NamedBodyForcePair(NamedBodyForcePair other) {
// TODO
}
/**
* Returns the name of the body.
*/
public String getName() {
// TODO: implement method.
return "";
}
}

36
src/Simulation4.java
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@ -2,8 +2,9 @@ import codedraw.CodeDraw;
import java.awt.*;
// Simulates the formation of a massive solar system.
//
/**
* Simulates the formation of a massive solar system.
*/
public class Simulation4 {
// gravitational constant
@ -26,28 +27,27 @@ public class Simulation4 {
// all quantities are based on units of kilogram respectively second and meter.
// The main simulation method using instances of other classes.
/**
* The main simulation method using instances of other classes.
*/
public static void main(String[] args) {
// simulation
CodeDraw cd = new CodeDraw();
// create solar system with 12 bodies
NamedBodyForcePair sun = new NamedBodyForcePair("Sun",1.989E30, new Vector3(0.0,0.0,0.0), new Vector3(0.0,0.0,0.0));
NamedBodyForcePair earth = new NamedBodyForcePair("Earth",5.972E24, new Vector3(-6.13135922534815E10,-1.383789852227691E11,2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
NamedBodyForcePair moon = new NamedBodyForcePair("Moon",7.349E22, new Vector3(-6.132484773775896E10,-1.387394951280871E11,1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
NamedBodyForcePair mars = new NamedBodyForcePair("Mars",6.41712E23, new Vector3(-1.7923193702925848E11,1.726665823982123E11,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
NamedBodyForcePair deimos = new NamedBodyForcePair("Deimos",1.8E20, new Vector3(-1.792255010450533E11,1.726891122683271E11,7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
NamedBodyForcePair phobos = new NamedBodyForcePair("Phobos",1.08E20, new Vector3(-1.792253482539647E11,1.72661109673625E11,7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
NamedBodyForcePair mercury = new NamedBodyForcePair("Mercury",3.301E23, new Vector3(-5.167375560011926E10,-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
NamedBodyForcePair venus = new NamedBodyForcePair("Venus",4.86747E24, new Vector3(-3.123150865740532E10,1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
NamedBodyForcePair vesta = new NamedBodyForcePair("Vesta",2.5908E20, new Vector3(-3.337493557929893E11,-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
NamedBodyForcePair pallas = new NamedBodyForcePair("Pallas",2.14E20, new Vector3(4.3452066613895575E11,-2.057319365171432E11,1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
NamedBodyForcePair hygiea = new NamedBodyForcePair("Hygiea",8.32E19, new Vector3(-3.983943433707043E11,2.325833000024021E11,-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
NamedBodyForcePair ceres = new NamedBodyForcePair("Ceres",9.394E20, new Vector3(3.781372641419032E11,1.96718960466285E11,-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
NamedBodyForcePair sun = new NamedBodyForcePair(SolSystem4.SUN);
NamedBodyForcePair earth = new NamedBodyForcePair(SolSystem4.EARTH);
NamedBodyForcePair moon = new NamedBodyForcePair(SolSystem4.MOON);
NamedBodyForcePair mars = new NamedBodyForcePair(SolSystem4.MARS);
NamedBodyForcePair deimos = new NamedBodyForcePair(SolSystem4.DEIMOS);
NamedBodyForcePair phobos = new NamedBodyForcePair(SolSystem4.PHOBOS);
NamedBodyForcePair mercury = new NamedBodyForcePair(SolSystem4.MERCURY);
NamedBodyForcePair venus = new NamedBodyForcePair(SolSystem4.VENUS);
NamedBodyForcePair vesta = new NamedBodyForcePair(SolSystem4.VESTA);
NamedBodyForcePair pallas = new NamedBodyForcePair(SolSystem4.PALLAS);
NamedBodyForcePair hygiea = new NamedBodyForcePair(SolSystem4.HYGIEA);
NamedBodyForcePair ceres = new NamedBodyForcePair(SolSystem4.CERES);
//TODO: implementation of this method according to 'Aufgabenblatt4.md'.
}
}

14
src/SolSystem4.java Normal file
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@ -0,0 +1,14 @@
public class SolSystem4 {
public static final NamedBodyForcePair SUN = new NamedBodyForcePair("Sun", 1.989E30, new Vector3(0.0, 0.0, 0.0), new Vector3(0.0, 0.0, 0.0));
public static final NamedBodyForcePair EARTH = new NamedBodyForcePair("Earth", 5.972E24, new Vector3(-6.13135922534815E10, -1.383789852227691E11, 2.719682263474911E7), new Vector3(26832.720535473603, -11948.23168764519, 1.9948243075997851));
public static final NamedBodyForcePair MOON = new NamedBodyForcePair("Moon", 7.349E22, new Vector3(-6.132484773775896E10, -1.387394951280871E11, 1.701046736294776E7), new Vector3(27916.62329282941, -12020.39526008238, -94.89703264508708));
public static final NamedBodyForcePair MARS = new NamedBodyForcePair("Mars", 6.41712E23, new Vector3(-1.7923193702925848E11, 1.726665823982123E11, 7.991673845249474E9), new Vector3(-15925.78496403673, -15381.16179928219, 68.67560910598857));
public static final NamedBodyForcePair DEIMOS = new NamedBodyForcePair("Deimos", 1.8E20, new Vector3(-1.792255010450533E11, 1.726891122683271E11, 7.990659337380297E9), new Vector3(-17100.476719804457, -15020.348656808, 631.2927851249581));
public static final NamedBodyForcePair PHOBOS = new NamedBodyForcePair("Phobos", 1.08E20, new Vector3(-1.792253482539647E11, 1.72661109673625E11, 7.987848354800322E9), new Vector3(-14738.203714241401, -13671.17675223948, -411.0012490555253));
public static final NamedBodyForcePair MERCURY = new NamedBodyForcePair("Mercury", 3.301E23, new Vector3(-5.167375560011926E10, -4.217574885682655E10, 1.14808913958168E9), new Vector3(21580.25398577148, -34951.03632847389, -4835.225596525241));
public static final NamedBodyForcePair VENUS = new NamedBodyForcePair("Venus", 4.86747E24, new Vector3(-3.123150865740532E10, 1.0395568504115701E11, 3.173401325838074E9), new Vector3(-33748.180519629335, -10014.25141045021, 1809.94488874165));
public static final NamedBodyForcePair VESTA = new NamedBodyForcePair("Vesta", 2.5908E20, new Vector3(-3.337493557929893E11, -4.7147908276077385E10, 4.1923010146878105E10), new Vector3(4440.54247538484, -19718.49074006637, 48.06573124543601));
public static final NamedBodyForcePair PALLAS = new NamedBodyForcePair("Pallas", 2.14E20, new Vector3(4.3452066613895575E11, -2.057319365171432E11, 1.0549957423213101E11), new Vector3(5058.947582097117, 11184.45711782372, -8183.524138259704));
public static final NamedBodyForcePair HYGIEA = new NamedBodyForcePair("Hygiea", 8.32E19, new Vector3(-3.983943433707043E11, 2.325833000024021E11, -2.233667695713672E10), new Vector3(-6931.864585548552, -15686.8108598699, -690.5791992347208));
public static final NamedBodyForcePair CERES = new NamedBodyForcePair("Ceres", 9.394E20, new Vector3(3.781372641419032E11, 1.96718960466285E11, -6.366459168068592E10), new Vector3(-8555.324226752316, 14718.33755980907, 2040.230135060142));
}