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Github地址:https://github.com/nuptboyzhb/WaterWaveView
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1.先看效果
2.再看关键代码
描绘函数y = Asin(wx+d)+offset
/** * 使用路径描绘绘制的区域 * * @return */ private Path getFristWavePath() { // 绘制区域1的路径 if (firstWavePath == null) { firstWavePath = new Path(); } firstWavePath.reset(); firstWavePath.moveTo(0, height);// 移动到左下角的点 for (float x = 0; x <= width; x += X_STEP) { float y = (float) (waveHeight * Math.sin(omega * x + moveWave) + waveHeight) + heightOffset; firstWavePath.lineTo(x, y); } firstWavePath.lineTo(width, 0); firstWavePath.lineTo(width, height); return firstWavePath; }
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原文地址:http://blog.csdn.net/nupt123456789/article/details/44781783