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style: format code (#4212)

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close #4204
This commit is contained in:
acbin
2023-06-09 18:52:05 +08:00
committed by GitHub
parent ad03086f54
commit 00282efd8b
521 changed files with 5233 additions and 7309 deletions
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44
src/main/java/com/thealgorithms/others/KochSnowflake.java
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@ -56,8 +56,7 @@ public class KochSnowflake {
assert image.getRGB(0, 0) == new Color(255, 255, 255).getRGB();
// The snowflake is drawn in black and this is the position of the first vector
assert image.getRGB((int) offsetX, (int) offsetY) ==
new Color(0, 0, 0).getRGB();
assert image.getRGB((int) offsetX, (int) offsetY) == new Color(0, 0, 0).getRGB();
// Save image
try {
@ -77,10 +76,7 @@ public class KochSnowflake {
* @param steps The number of iterations.
* @return The transformed vectors after the iteration-steps.
*/
public static ArrayList<Vector2> Iterate(
ArrayList<Vector2> initialVectors,
int steps
) {
public static ArrayList<Vector2> Iterate(ArrayList<Vector2> initialVectors, int steps) {
ArrayList<Vector2> vectors = initialVectors;
for (int i = 0; i < steps; i++) {
vectors = IterationStep(vectors);
@ -98,18 +94,14 @@ public class KochSnowflake {
*/
public static BufferedImage GetKochSnowflake(int imageWidth, int steps) {
if (imageWidth <= 0) {
throw new IllegalArgumentException(
"imageWidth should be greater than zero"
);
throw new IllegalArgumentException("imageWidth should be greater than zero");
}
double offsetX = imageWidth / 10.;
double offsetY = imageWidth / 3.7;
Vector2 vector1 = new Vector2(offsetX, offsetY);
Vector2 vector2 = new Vector2(
imageWidth / 2,
Math.sin(Math.PI / 3) * imageWidth * 0.8 + offsetY
);
Vector2 vector2
= new Vector2(imageWidth / 2, Math.sin(Math.PI / 3) * imageWidth * 0.8 + offsetY);
Vector2 vector3 = new Vector2(imageWidth - offsetX, offsetY);
ArrayList<Vector2> initialVectors = new ArrayList<Vector2>();
initialVectors.add(vector1);
@ -130,23 +122,15 @@ public class KochSnowflake {
* applied.
* @return The transformed vectors after the iteration-step.
*/
private static ArrayList<Vector2> IterationStep(
ArrayList<Vector2> vectors
) {
private static ArrayList<Vector2> IterationStep(ArrayList<Vector2> vectors) {
ArrayList<Vector2> newVectors = new ArrayList<Vector2>();
for (int i = 0; i < vectors.size() - 1; i++) {
Vector2 startVector = vectors.get(i);
Vector2 endVector = vectors.get(i + 1);
newVectors.add(startVector);
Vector2 differenceVector = endVector
.subtract(startVector)
.multiply(1. / 3);
Vector2 differenceVector = endVector.subtract(startVector).multiply(1. / 3);
newVectors.add(startVector.add(differenceVector));
newVectors.add(
startVector
.add(differenceVector)
.add(differenceVector.rotate(60))
);
newVectors.add(startVector.add(differenceVector).add(differenceVector.rotate(60)));
newVectors.add(startVector.add(differenceVector.multiply(2)));
}
@ -163,15 +147,9 @@ public class KochSnowflake {
* @return The image of the rendered edges.
*/
private static BufferedImage GetImage(
ArrayList<Vector2> vectors,
int imageWidth,
int imageHeight
) {
BufferedImage image = new BufferedImage(
imageWidth,
imageHeight,
BufferedImage.TYPE_INT_RGB
);
ArrayList<Vector2> vectors, int imageWidth, int imageHeight) {
BufferedImage image
= new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = image.createGraphics();
// Set the background white