game.objects.Bullet.java Source code

Introduction

Here is the source code for game.objects.Bullet.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package game.objects;

import game.Content;
import game.MyConst;
import game.states.PlayState;
import game.visuals.Effect;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.BodyDef;
import com.badlogic.gdx.physics.box2d.BodyDef.BodyType;
import com.badlogic.gdx.physics.box2d.CircleShape;
import com.badlogic.gdx.physics.box2d.FixtureDef;

/**
 *
 * @author esa
 */
public class Bullet extends GameObject implements Updatable {

    float animTime = 0;
    private boolean red = false;

    public Bullet(PlayState state, Vector2 position, boolean friendly) {
        super(state, position, 0.1f);
        curTexture = new Sprite(Content.atlas.findRegion("Bullet"));

        imgWidth = (radius * 10);
        imgHeight = (radius * 10);
        speed = 20;
        dying = false;
        this.friendly = friendly;
    }

    @Override
    public void init(Vector2 position) {
        // First we create a body definition
        BodyDef bodyDef = new BodyDef();
        // We set our body to dynamic, for something like ground which doesn't move we would set it to StaticBody
        bodyDef.type = BodyType.DynamicBody;
        // Set our body's starting position in the world
        bodyDef.position.set(position);
        bodyDef.linearDamping = 0.0f;
        bodyDef.fixedRotation = true;
        bodyDef.bullet = true;
        body = state.getWorld().createBody(bodyDef);

        // Create a circle shape and set its radius to 6
        CircleShape circle = new CircleShape();
        circle.setRadius(radius);

        // Create a fixture definition to apply our shape to
        FixtureDef fixtureDef = new FixtureDef();
        fixtureDef.shape = circle;
        fixtureDef.density = 0.2f;
        fixtureDef.friction = 0.0f;
        fixtureDef.filter.categoryBits = MyConst.CATEGORY_BULLETS;
        fixtureDef.filter.maskBits = MyConst.MASK_BULLETS;
        // Create our fixture and attach it to the body
        fixture = body.createFixture(fixtureDef);

        // Remember to dispose of any shapes after you're done with them!
        // BodyDef and FixtureDef don't need disposing, but shapes do.
        circle.dispose();

    }

    @Override
    public void update(float delta) {

        /*if(dying){
           //selvit mist johtuu bugi
           //body.setActive(false);
           setDestroyed(true);
           state.addObj(new Effect(state,getPosition().cpy(),Effect.OBJECT_HIT));
           return;
        }*/
        body.setLinearVelocity(direction.cpy().nor().scl(speed));

    }

    @Override
    public void draw(SpriteBatch batch) {
        Color c = batch.getColor();
        if (red)
            batch.setColor(Color.RED);
        super.draw(batch);
        if (red)
            batch.setColor(c);

    }

    public void setRed(boolean red) {
        this.red = red;
    }

}