ParticleLayer.h

/*
 * Copyright (C) 2014 Google Inc.
 *
 * 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.
 */

#ifndef PARTICLELAYER_H
#define PARTICLELAYER_H

#include <QObject>

class b2ParticleSystem;

class ParticleLayer : public QObject {
    Q_OBJECT

    Q_PROPERTY(float radius READ getRadius WRITE setRadius NOTIFY radiusChanged)
    Q_PROPERTY(float density READ getDensity WRITE setDensity NOTIFY densityChanged)
    Q_PROPERTY(float gravityScale READ getGravityScale WRITE setGravityScale
            NOTIFY gravityScaleChanged)

public:
    explicit ParticleLayer(QObject* parent = nullptr);
    virtual ~ParticleLayer();

    float getRadius() const;
    void setRadius(float value);
    float getDensity() const;
    void setDensity(float value);
    float getGravityScale() const;
    void setGravityScale(float value);

    b2ParticleSystem* getParticleSystem() const { return mParticleSystem; }

signals:
    void radiusChanged();
    void densityChanged();
    void gravityScaleChanged();

private:
    b2ParticleSystem* mParticleSystem = nullptr;
};
Q_DECLARE_METATYPE(ParticleLayer*)

#endif // PARTICLELAYER_H