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1 change: 0 additions & 1 deletion
1
example/chapter08/src/main/java/com/nhnacademy/exam080101/Main.java
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41 changes: 8 additions & 33 deletions
41
practice/240723/cannonball/src/main/java/com/nhnacademy/Ball.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,68 +1,43 @@ | ||
| package com.nhnacademy; | ||
|
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| import java.awt.Color; | ||
| import java.awt.Rectangle; | ||
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
|
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| public class Ball { | ||
| public class Ball implements Regionable { | ||
| public static final Color DEFAULT_COLOR = Color.BLACK; | ||
| static Logger log = LogManager.getLogger(Ball.class); | ||
|
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| int x; | ||
| int y; | ||
| int radius; | ||
| Region region; | ||
| Color color; | ||
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| public Ball(int x, int y, int radius, Color color) { | ||
| if (radius < 0) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
|
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| this.x = x; | ||
| this.y = y; | ||
| this.radius = radius; | ||
| this.region = new Region(x, y, 2 * radius, 2 * radius); | ||
| this.color = color; | ||
| } | ||
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| public Ball(int x, int y, int radius) { | ||
| this(x, y, radius, DEFAULT_COLOR); | ||
| } | ||
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| public int getX() { | ||
| return x; | ||
| } | ||
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| public int getY() { | ||
| return y; | ||
| } | ||
|
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| public int getMinX() { | ||
| return x - radius; | ||
| } | ||
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| public int getMaxX() { | ||
| return x + radius; | ||
| } | ||
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| public int getMinY() { | ||
| return y - radius; | ||
| } | ||
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| public int getMaxY() { | ||
| return y + radius; | ||
| public Ball(Location location, int radius, Color color) { | ||
| this(location.getX(), location.getY(), radius, color); | ||
| } | ||
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| public int getRadius() { | ||
| return radius; | ||
| return region.getWidth() / 2; | ||
| } | ||
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| public Color getColor() { | ||
| return color; | ||
| } | ||
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| public Rectangle getBounds() { | ||
| return new Rectangle(x - radius, y - radius, 2 * radius, 2 * radius); | ||
| public Region getRegion() { | ||
| return region; | ||
| } | ||
| } |
11 changes: 11 additions & 0 deletions
11
practice/240723/cannonball/src/main/java/com/nhnacademy/Bounded.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| package com.nhnacademy; | ||
|
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| import java.awt.Rectangle; | ||
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| public interface Bounded { | ||
| Rectangle getBounds(); | ||
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| void setBounds(Rectangle bounds); | ||
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| boolean isOutOfBounds(Rectangle bounds); | ||
| } |
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35 changes: 35 additions & 0 deletions
35
practice/240723/cannonball/src/main/java/com/nhnacademy/Box.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package com.nhnacademy; | ||
|
|
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| import java.awt.Color; | ||
|
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
|
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| public class Box implements Regionable { | ||
| public static final Color DEFAULT_COLOR = Color.BLACK; | ||
| static Logger log = LogManager.getLogger(Box.class); | ||
|
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| Region region; | ||
| Color color; | ||
|
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| public Box(int x, int y, int width, int height, Color color) { | ||
| if ((width < 0) || (height < 0)) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
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| this.region = new Region(x, y, width, height); | ||
| this.color = color; | ||
| } | ||
|
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| public Box(int x, int y, int width, int height) { | ||
| this(x, y, width, height, DEFAULT_COLOR); | ||
| } | ||
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| public Color getColor() { | ||
| return color; | ||
| } | ||
|
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| public Region getRegion() { | ||
| return region; | ||
| } | ||
| } |
26 changes: 26 additions & 0 deletions
26
practice/240723/cannonball/src/main/java/com/nhnacademy/Dimension.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package com.nhnacademy; | ||
|
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| public class Dimension { | ||
| int width; | ||
| int height; | ||
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| public Dimension(int width, int height) { | ||
| this.width = width; | ||
| this.height = height; | ||
| } | ||
|
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| public int getWidth() { | ||
| return width; | ||
| } | ||
|
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| public int getHeight() { | ||
| return height; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| return (o instanceof Dimension) | ||
| && (getWidth() == ((Dimension) o).getWidth()) | ||
| && (getHeight() == ((Dimension) o).getHeight()); | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
practice/240723/cannonball/src/main/java/com/nhnacademy/DisplacementVector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| package com.nhnacademy; | ||
|
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| public class DisplacementVector extends Vector { | ||
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| public DisplacementVector(int angle, int magnitude) { | ||
| super((int) (magnitude * Math.cos(Math.toRadians(angle))), | ||
| (int) (magnitude * Math.sin(Math.toRadians(angle)))); | ||
| } | ||
| } |
38 changes: 38 additions & 0 deletions
38
practice/240723/cannonball/src/main/java/com/nhnacademy/Location.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package com.nhnacademy; | ||
|
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| import java.awt.Point; | ||
|
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| public class Location { | ||
| int x; | ||
| int y; | ||
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| public Location(int x, int y) { | ||
| this.x = x; | ||
| this.y = y; | ||
| } | ||
|
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| public Location(Location location) { | ||
| x = location.getX(); | ||
| y = location.getY(); | ||
| } | ||
|
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| public int getX() { | ||
| return x; | ||
| } | ||
|
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| public int getY() { | ||
| return y; | ||
| } | ||
|
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| public void translate(int dx, int dy) { | ||
| x += dx; | ||
| y += dy; | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object o) { | ||
| return (o instanceof Location) | ||
| && (getX() == ((Location) o).getX()) | ||
| && (getY() == ((Location) o).getY()); | ||
| } | ||
| } |
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