54 lines
1.2 KiB
Java
54 lines
1.2 KiB
Java
import java.util.*;
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import javax.swing.ImageIcon;
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public class Enemy extends Collidable {
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int xVelo, yVelo;
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boolean alive;
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public Enemy(int x, int y, int w, int h, int level) {
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super(x, y, w, h, new ImageIcon("Sprites/Enemies/" + level + ".png"));
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xVelo = 2;
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yVelo = 0;
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alive = true;
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}
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public void moveX(int moveX) {
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this.x += moveX;
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this.rect.x = this.x;
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}
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public void moveY(int moveY) {
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this.y += moveY;
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this.rect.y = this.y;
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}
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public void patrol(ArrayList<Collidable> collidables) {
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moveX(xVelo);
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for (Collidable c : collidables) {
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if (this.collidesWith(c)) {
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xVelo = -xVelo;
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moveX(xVelo * 2);
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break;
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}
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}
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// check edge detection - is there ground below next step?
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boolean edgeAhead = true;
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int nextX = this.x + xVelo;
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for (Collidable c : collidables) {
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if (c instanceof Tile) {
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Tile t = (Tile) c;
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// check if tile is below enemy's next position
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if (nextX + this.width > t.x && nextX < t.x + t.width && t.y == this.y + this.height) {
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edgeAhead = false;
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break;
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}
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}
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}
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if (edgeAhead) {
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xVelo = -xVelo;
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}
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}
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}
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