Android Open Source - funnyboat-Android Water

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Back to project page funnyboat-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.ankit.funnyboat;
/*w w  w. j a va  2 s  .c o  m*/
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Paint;
import android.graphics.Rect;

public class Water {
  Paint waterPaint = new Paint();
  Paint skyPaint = new Paint();
  float time = 0;

  int amplitude = 40;
  int waveHeight = 120;
  double waveLength = 170 * 6.0;
  double waveTime = 1 * 6.0;

  final double getWaveSpeed() {
    return waveLength / waveTime;
  }

  Bitmap[] clouds = new Bitmap[4];
  float[] cloudsX = new float[4];
  int[] cloudsVX = new int[] { 20, 30, 40, 50 };

  int width = 480;
  int height = 800;
  {
    clouds[0] = BitmapFactory.decodeResource(Game.app.getResources(),
        R.drawable.cloud1);
    clouds[1] = BitmapFactory.decodeResource(Game.app.getResources(),
        R.drawable.cloud2);
    clouds[2] = BitmapFactory.decodeResource(Game.app.getResources(),
        R.drawable.cloud3);
    clouds[3] = BitmapFactory.decodeResource(Game.app.getResources(),
        R.drawable.cloud4);
    cloudsX[0] = 30;
    cloudsX[1] = 430;
    cloudsX[2] = 40;
    cloudsX[3] = 500;
    skyPaint.setARGB(0xff, 0xa0, 0xa0, 0xe0);
    waterPaint.setARGB(0xff, 100, 110, 200);
  }

  void tick() {
    time += GameObject.DELTA;
    Game.canvas.drawRect(new Rect(0, 0, width, height), skyPaint);
    for (int i = 0; i < 4; i++) {
      cloudsX[i] += cloudsVX[i] * GameObject.DELTA;
      cloudsX[i] %= width * 1.3 + 100;
      Game.canvas.drawBitmap(clouds[i], cloudsX[i] - 120, height - 60,
          null);
    }
    int skip = 2;
    for (int x = 0; x < width; x += skip) {
      int y = getAt(x);
      Game.canvas.drawRect(x, 0, x + skip, y, waterPaint);
    }
    // Game.canvas.drawLine(20, 20, 50, 50, waterPaint);
  }

  final int getAt(int x) {
    double val = Math.sin((time / waveTime + x / waveLength) * 2 * Math.PI);
    return (int) (val * amplitude) + waveHeight;
  }
}

Java Source Code List

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