java-projects/Turrets
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Add Turret

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Victor 2014-03-15 17:15:46 +02:00
parent 04ef5320af
commit 4db1ebe2ed
1 changed files with 49 additions and 0 deletions
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src/com/annimon/turrets/Turret.java Normal file
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package com.annimon.turrets;
import java.awt.Color;
import java.awt.Graphics2D;
/**
*
* @author aNNiMON
*/
public class Turret implements Constants {
public static final boolean SERVER = true, CLIENT = false;
private static final double ANGLE_45 = Math.PI / 4d;
private static final double ANGLE_90 = Math.PI / 2d;
private static final int TURRET_WIDTH = PLAYERS_BLOCK_COUNT;
private static final int TURRET_HEIGHT = PLAYERS_BLOCK_COUNT;
private final int turretX, turretY;
private final int barrelRadius;
private final boolean server;
private int barrelX, barrelY;
private double barrelAngle;
private double shotPower;
public Turret(boolean server, int turretY) {
this.server = server;
this.turretX = (server ? 5 : Constants.WIDTH - 5);
this.turretY = turretY;
barrelAngle = ANGLE_45;
shotPower = 0.5d;
barrelRadius = Constants.WIDTH / 20;
calculateBarrelPosition();
}
public void draw(Graphics2D g) {
g.setColor(Color.WHITE);
g.drawLine(turretX, Constants.HEIGHT - turretY - 1, barrelX, Constants.HEIGHT - barrelY);
g.setColor(server ? Color.BLUE : Color.RED);
g.fillArc(turretX - TURRET_WIDTH / 2, Constants.HEIGHT - turretY - TURRET_HEIGHT / 2,
TURRET_WIDTH, TURRET_HEIGHT, 0, 180);
}
private void calculateBarrelPosition() {
final int sign = (server ? 1 : -1);
barrelX = (int) (turretX + sign * barrelRadius * shotPower * Math.cos(barrelAngle));
barrelY = (int) (turretY + barrelRadius * shotPower * Math.sin(barrelAngle));
}
}