com.google.android.apps.santatracker.doodles.tilt.ToggleableBounceActor.java Source code

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Here is the source code for com.google.android.apps.santatracker.doodles.tilt.ToggleableBounceActor.java

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/*
 * Copyright (C) 2016 Google Inc. All Rights Reserved.
 *
 * 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.google.android.apps.santatracker.doodles.tilt;

import android.graphics.Canvas;
import android.graphics.Color;
import com.google.android.apps.santatracker.doodles.shared.Actor;
import com.google.android.apps.santatracker.doodles.shared.Vector2D;
import com.google.android.apps.santatracker.doodles.shared.physics.Polygon;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * A BounceActor which can be toggled on an off with trigger polygons.
 */
public class ToggleableBounceActor extends BounceActor {
    public static final String TYPE = "Toggleable Bouncy";
    protected static final String ON_TRIGGER_KEY = "on trigger";
    protected static final String OFF_TRIGGER_KEY = "off trigger";

    private CollisionActor onTrigger;
    private CollisionActor offTrigger;
    public boolean enabled;

    public ToggleableBounceActor(Polygon collisionBody, CollisionActor onTrigger, CollisionActor offTrigger) {
        super(collisionBody);
        this.onTrigger = onTrigger;
        this.offTrigger = offTrigger;

        collisionBody.setPaintColors(Color.RED, Color.LTGRAY, 0x6400ff00);
        onTrigger.collisionBody.setPaintColors(Color.GREEN, Color.RED, 0x6400ff00);
        offTrigger.collisionBody.setPaintColors(Color.BLACK, Color.RED, 0x6400ff00);
    }

    @Override
    public void update(float deltaMs) {
        super.update(deltaMs);
        onTrigger.update(deltaMs);
        offTrigger.update(deltaMs);
    }

    @Override
    public void draw(Canvas canvas) {
        super.draw(canvas);
        onTrigger.draw(canvas);
        offTrigger.draw(canvas);
    }

    @Override
    public String getType() {
        return ToggleableBounceActor.TYPE;
    }

    @Override
    public boolean canHandleTouchAt(Vector2D worldCoords, float cameraScale) {
        return super.canHandleTouchAt(worldCoords, cameraScale)
                || onTrigger.canHandleTouchAt(worldCoords, cameraScale)
                || offTrigger.canHandleTouchAt(worldCoords, cameraScale);
    }

    @Override
    public void startTouchAt(Vector2D worldCoords, float cameraScale) {
        super.startTouchAt(worldCoords, cameraScale);
        onTrigger.startTouchAt(worldCoords, cameraScale);
        offTrigger.startTouchAt(worldCoords, cameraScale);
    }

    @Override
    public boolean handleMoveEvent(Vector2D delta) {
        return super.handleMoveEvent(delta) || onTrigger.handleMoveEvent(delta)
                || offTrigger.handleMoveEvent(delta);
    }

    @Override
    public boolean handleLongPress() {
        return super.handleLongPress() || onTrigger.handleLongPress() || offTrigger.handleLongPress();
    }

    @Override
    public boolean resolveCollision(Actor other, float deltaMs) {
        // Resolve trigger collisions.
        if (onTrigger.collisionBody.contains(other.position)) {
            enabled = true;
            collisionBody.setPaintColors(Color.RED, Color.WHITE, 0x6400ff00);
        } else if (offTrigger.collisionBody.contains(other.position)) {
            enabled = false;
            collisionBody.setPaintColors(Color.RED, Color.LTGRAY, 0x6400ff00);
        }

        // Handle the actual collision.
        if (enabled) {
            return super.resolveCollision(other, deltaMs);
        }
        return false;
    }

    @Override
    public JSONObject toJSON() throws JSONException {
        JSONObject json = super.toJSON();
        json.put(ON_TRIGGER_KEY, onTrigger.toJSON());
        json.put(OFF_TRIGGER_KEY, offTrigger.toJSON());
        return json;
    }

    public static ToggleableBounceActor fromJSON(JSONObject json) throws JSONException {
        return new ToggleableBounceActor(Polygon.fromJSON(json.getJSONArray(POLYGON_KEY)),
                CollisionActor.fromJSON(json.getJSONObject(ON_TRIGGER_KEY)),
                CollisionActor.fromJSON(json.getJSONObject(OFF_TRIGGER_KEY)));
    }
}