Windmill.java 文件源码

private void drawWind(Canvas canvas) {
    mWindPath = new Path();
    canvas.drawCircle(mCenterPoint.x,mCenterPoint.y,width/40,mWindmillPaint);
    mWindPath.moveTo(x1,y1);
    x2 = mCenterPoint.x + (float) (r1 * Math.cos(rad1 + angle));
    y2 = mCenterPoint.y + (float) (r1 * Math.sin(rad1 + angle));
    x3 = mCenterPoint.x + (float) (r2 * Math.cos(rad2 + angle));
    y3 = mCenterPoint.y + (float) (r2 * Math.sin(rad2 + angle));
    x4 = mCenterPoint.x + (float) (r3 * Math.cos(rad3 + angle));
    y4 = mCenterPoint.y + (float) (r3 * Math.sin(rad3 + angle));
    x5 = mCenterPoint.x + (float) (r4 * Math.cos(rad4 + angle));
    y5 = mCenterPoint.y + (float) (r4 * Math.sin(rad4 + angle));


    mWindPath.cubicTo(x2,y2,x3,y3,x4,y4);
    mWindPath.quadTo(x5,y5,x1,y1);
    mWindPath.close();
    canvas.drawPath(mWindPath,mWindmillPaint);
    canvas.rotate(120,mCenterPoint.x,mCenterPoint.y);
    canvas.drawPath(mWindPath,mWindmillPaint);
    canvas.rotate(120,mCenterPoint.x,mCenterPoint.y);
    canvas.drawPath(mWindPath,mWindmillPaint);
    canvas.rotate(120,mCenterPoint.x,mCenterPoint.y);
}