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

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Here is the source code for com.google.android.apps.santatracker.doodles.tilt.ScreenBoundaryActor.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.Color;
import com.google.android.apps.santatracker.doodles.shared.Actor;
import com.google.android.apps.santatracker.doodles.shared.physics.Polygon;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * An actor which defines a screen boundary. Used for camera positioning.
 */
public class ScreenBoundaryActor extends CollisionActor {
    public static final String TYPE = "Screen boundary";

    private static int currentZIndex = 0;

    public ScreenBoundaryActor(Polygon collisionBody) {
        super(collisionBody);
        // orange, green, semi-transparent green.
        collisionBody.setPaintColors(0xffffa500, Color.BLACK, 0x6400ff00);

        // Give ScreenBoundaryActors increasing z-indices, as these determine sort order, and
        // the behavior of ScreenBoundaryActors is based on sort order.
        zIndex = currentZIndex++;
    }

    @Override
    public boolean resolveCollision(Actor other, float deltaMs) {
        return false;
    }

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

    public static ScreenBoundaryActor fromJSON(JSONObject json) throws JSONException {
        return new ScreenBoundaryActor(Polygon.fromJSON(json.getJSONArray(POLYGON_KEY)));
    }
}