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I don't know what changes I've made lol

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This commit is contained in:
Brett Bender
2022-11-01 14:30:06 -05:00
parent 8d1ef61699
commit 9a1bc9cfb5
26 changed files with 1013 additions and 3 deletions
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15
LAB-5/.classpath Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
<attributes>
<attribute name="module" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4">
<attributes>
<attribute name="module" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="bin"/>
</classpath>

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LAB-5/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>LAB-5</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

10
LAB-5/src/module-info.java Normal file
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/**
*
*/
/**
* @author brett
*
*/
module uwstout.courses.cs144 {
requires junit;
}

109
LAB-5/src/uwstout/courses/cs144/labs/lab5/Projectile.java Normal file
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package uwstout.courses.cs144.labs.lab5;
/**
* Represents a projectile being launched into the air at a specific velocity,
* and at a specific angle. Allows the user to calculate the distance traveled
* by the projectile at a particular time, as well as the maximum distance.
*
* @author Brett Bender
* @version 2022.10.26
*/
public class Projectile {
/**
* The acceleration due to gravity
*/
private static final double G = 9.8;
private static final int DEFAULT_ANGLE = 45;
private double velocity;
private int angle;
/**
* Constructs a new Projectile with a given velocity and angle.
*
* @param nvelocity The velocity of the projectile
* @param nangle The angle of the projectile
*/
public Projectile(double nvelocity, int nangle) {
velocity = nvelocity;
angle = nangle;
}
/**
* Constructs a new Projectile with a given velocity. Defaults angle to
* 45deg.
*
* @param nvelocity The velocity of the projectile
*/
public Projectile(double nvelocity) {
velocity = nvelocity;
angle = DEFAULT_ANGLE;
}
/**
* Constructs a new Projectile that is a copy of the specified Projectile.
*
* @param other The projectile that is being copied
*/
public Projectile(Projectile other) {
velocity = other.velocity;
angle = other.angle;
}
/**
* Calculates the distance traveled at a specified time.
*
* @param time The time (in seconds)
* @return The distance traveled
*/
public double getDistance(double time) {
return velocity * time * Math.cos(Math.toRadians(angle));
}
/**
* Calculates the maximum distance the projectile may travel.
*
* @return The maximum distance
*/
public double getMaximumDistance() {
return (velocity * velocity / G) * Math.sin(2 * Math.toRadians(angle));
}
/**
* Get the velocity of the projectile.
*
* @return The velocity of the projectile
*/
public double getVelocity() {
return velocity;
}
/**
* Get the angle of the projectile.
*
* @return The angle of the projectile
*/
public int getAngle() {
return angle;
}
/**
* Set the velocity of the projectile
*
* @param nvelocity The new velocity
*/
public void setVelocity(double nvelocity) {
velocity = nvelocity;
}
/**
* Set the angle of the projectile
*
* @param nangle The new angle
*/
public void setAngle(int nangle) {
angle = nangle;
}
}

106
LAB-5/src/uwstout/courses/cs144/labs/lab5/ProjectileTest.java Normal file
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package uwstout.courses.cs144.labs.lab5;
import static org.junit.Assert.assertEquals;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Tests the Projectile class
*
* @author Brett Bender
* @version 2022.10.26
*/
public class ProjectileTest {
private static final double DELTA = 0.01;
private Projectile p1;
private Projectile p2;
private Projectile p3;
/**
* Sets the class up for testing
*
* @throws Exception
*/
@Before
public void setUp() throws Exception {
p1 = new Projectile(50.0, 31);
p2 = new Projectile(35.0);
p3 = new Projectile(p1);
}
/**
* Tears down the class from testing.
*
* @throws Exception
*/
@After
public void tearDown() throws Exception {
}
/**
* Tests the Projectile(double, int) constructor
*/
@Test
public void testProjectileDoubleInt() {
Projectile t1 = new Projectile(4.0, 20);
assertEquals(4.0, t1.getVelocity(), DELTA);
assertEquals(20, t1.getAngle());
Projectile t2 = new Projectile(0.0, 0);
assertEquals(0.0, t2.getVelocity(), DELTA);
assertEquals(0, t2.getAngle());
}
/**
* Tests the Projectile(double) constructor
*/
@Test
public void testProjectileDouble() {
Projectile t1 = new Projectile(1.0);
assertEquals(1.0, t1.getVelocity(), DELTA);
assertEquals(45, t1.getAngle());
Projectile t2 = new Projectile(0.0);
assertEquals(0.0, t2.getVelocity(), DELTA);
assertEquals(45, t2.getAngle());
}
/**
* Tests the Projectile(Projectile) constructor
*/
@Test
public void testProjectileProjectile() {
Projectile t1 = new Projectile(p1);
assertEquals(50.0, t1.getVelocity(), DELTA);
assertEquals(31, t1.getAngle());
Projectile t2 = new Projectile(p2);
assertEquals(35.0, t2.getVelocity(), DELTA);
assertEquals(45, t2.getAngle());
}
/**
* Tests the {@link Projectile#getDistance(double)} method
*/
@Test
public void testGetDistance() {
assertEquals(214.29, p1.getDistance(5), DELTA);
assertEquals(0, p2.getDistance(0), DELTA);
assertEquals(214.29, p3.getDistance(5), DELTA);
}
/**
* Tests the {@link Projectile#getMaximumDistance()} method
*/
@Test
public void testGetMaximumDistance() {
assertEquals(225.24, p1.getMaximumDistance(), DELTA);
assertEquals(125, p2.getMaximumDistance(), DELTA);
assertEquals(225.24, p3.getMaximumDistance(), DELTA);
}
}