com.jumpbuttonstudios.vikingdodge.entity.FireBall.java Source code

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Here is the source code for com.jumpbuttonstudios.vikingdodge.entity.FireBall.java

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/**
 * Copyright 2014 Stephen Gibson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
    
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.jumpbuttonstudios.vikingdodge.entity;

import com.badlogic.gdx.graphics.g2d.Animation.PlayMode;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.BodyDef.BodyType;
import com.jumpbuttonstudios.vikingdodge.AnimationBuilder;
import com.jumpbuttonstudios.vikingdodge.Assets;
import com.jumpbuttonstudios.vikingdodge.collision.CollisionFilters;

public class FireBall extends Mob {

    public enum FireBallState {
        TRAVELING, EXPLODING;
    }

    FireBallState currentState;

    Vector2 direction = new Vector2();

    public FireBall(Dragon dragon, EntityHandler entityHandler) {
        super(15, 15, new Shadow(Assets.get(Assets.SHADOW)), null, entityHandler);

        animator.addAnimation("flame", AnimationBuilder.create(Assets.DRAGON_FIRE_ROCK, 0.06f, 5, 1, null),
                PlayMode.LOOP);
        animator.addAnimation("explode",
                AnimationBuilder.create(Assets.EFFECT_DRAGON_FIRE_HIT, 0.04f, 3, 3, new int[] { 8 }),
                PlayMode.NORMAL);
        animator.setScale(0.5f);

        origin.set(animator.getWidth() / 2, animator.getHeight() / 2);

        physics.createBody(entityHandler.getFactory().getWorld(), BodyType.DynamicBody, dragon.getFireBallAnchor(),
                false);
        physics.createCircleFixture(new Vector2(0, 0), animator.getWidth() / 8, 0, 0.85f, 1, 0, false);
        physics.createCircleFixture(new Vector2(0, 0), animator.getWidth() / 8, 0, 0, 0, 0, true);
        physics.getBody().setGravityScale(0);
        physics.getBody().setUserData(this);

        currentState = FireBallState.TRAVELING;

        setCollisionFilters(0, CollisionFilters.FIRE_ROCK,
                (short) (CollisionFilters.GROUND | CollisionFilters.BOUNDARY_EDGE));
        setCollisionFilters(1, CollisionFilters.FIRE_ROCK,
                (short) (CollisionFilters.PLAYER | CollisionFilters.SHEEP));

        direction.set(
                dragon.getFireBallAnchor().x - entityHandler.getPlayer().getPhysics().getBody().getPosition().x,
                dragon.getFireBallAnchor().y - entityHandler.getPlayer().getPhysics().getBody().getPosition().y);
        direction.nor();

    }

    @Override
    public void update(float delta) {
        switch (currentState) {
        case TRAVELING:
            if (Math.abs(getPhysics().getBody().getLinearVelocity().x) <= speed) {
                physics.getBody().applyForceToCenter(-direction.x * acceleration, -direction.y * acceleration,
                        true);
            }
            break;
        case EXPLODING:
            physics.getBody().setGravityScale(0);
            physics.getBody().setLinearVelocity(0, 0);
            if (animator.isFinished())
                canDelete = true;
            break;
        default:
            break;
        }

    }

}