72 lines
1.8 KiB
Java
72 lines
1.8 KiB
Java
import javax.swing.JPanel;
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import java.awt.*;
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import java.util.Random;
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public class LumPanel extends JPanel {
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private ListChain<Color> l;
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int width = 30;
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int offset = 30;
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int height = 60;
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int spacing = 5;
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public LumPanel() {
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l = new ListChain<Color>();
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Random r = new Random();
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for (int i = 0; i < 10; i++) {
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l.add(new Color(r.nextInt(255), r.nextInt(255), r.nextInt(255)));
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}
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}
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private double lerp(double a, double b, double t) {
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return a + (b - a) * t;
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}
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public void removeParralel(int x, int y) {
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double dx = (double)x;
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double dy = (double)y;
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dx -= lerp(offset, 0, dy / (double)height);
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dx -= spacing * Math.floor(dx / width);
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int index = (int)Math.floor(dx / width);
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if (index >= 0 && index < l.size()) {
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Color c = l.get(index);
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System.out.println("Luminance : " + (21 * c.getRed() + 72 * c.getGreen() + 7 * c.getBlue()));
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l.remove(index);
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repaint();
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}
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}
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@Override
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protected void paintComponent(Graphics g) {
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Graphics gg = g.create();
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if (isOpaque()) {
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gg.setColor(getBackground());
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gg.fillRect(getX(), getY(), getWidth(), getHeight());
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}
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int i = 0;
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for (Color c : l) {
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Polygon p = new Polygon();
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int x = getX() + spacing * i + width * i;
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p.addPoint(x + offset, getY());
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p.addPoint(x + offset + width, getY());
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p.addPoint(x + width, getY() + height);
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p.addPoint(x, getY() + height);
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gg.setColor(c);
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gg.fillPolygon(p);
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gg.setColor(Color.BLACK);
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gg.drawPolygon(p);
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i++;
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}
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}
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}
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