private Path CreateWaterPath(RectF waterRect, float progress)
{
Path path = new Path();
path.MoveTo(waterRect.Left, waterRect.Top);
//Similar to the way draw the bottle's Bottom sides
float radius = (waterRect.Width() - mStrokeWidth) / 2.0f;
float CenterY = waterRect.Bottom - 0.86f * radius;
float bottleBottomWidth = waterRect.Width() / 2.0f;
RectF bodyRect = new RectF(waterRect.Left, CenterY - radius, waterRect.Right, CenterY + radius);
path.AddArc(bodyRect, 187.5f, -67.5f);
path.LineTo(waterRect.CenterX() - bottleBottomWidth / 2.0f, waterRect.Bottom);
path.LineTo(waterRect.CenterX() + bottleBottomWidth / 2.0f, waterRect.Bottom);
path.AddArc(bodyRect, 60, -67.5f);
//draw the water waves
float cubicXChangeSize = waterRect.Width() * 0.35f * progress;
float cubicYChangeSize = waterRect.Height() * 1.2f * progress;
path.CubicTo(waterRect.Left + waterRect.Width() * 0.80f - cubicXChangeSize, waterRect.Top - waterRect.Height() * 1.2f + cubicYChangeSize, waterRect.Left + waterRect.Width() * 0.55f - cubicXChangeSize, waterRect.Top - cubicYChangeSize, waterRect.Left, waterRect.Top - mStrokeWidth / 2.0f);
path.LineTo(waterRect.Left, waterRect.Top);
return(path);
}
private Path CreateBottlePath(RectF bottleRect)
{
float bottleneckWidth = bottleRect.Width() * 0.3f;
float bottleneckHeight = bottleRect.Height() * 0.415f;
float bottleneckDecorationWidth = bottleneckWidth * 1.1f;
float bottleneckDecorationHeight = bottleneckHeight * 0.167f;
Path path = new Path();
//draw the Left side of the bottleneck decoration
path.MoveTo(bottleRect.CenterX() - bottleneckDecorationWidth * 0.5f, bottleRect.Top);
path.QuadTo(bottleRect.CenterX() - bottleneckDecorationWidth * 0.5f - bottleneckWidth * 0.15f, bottleRect.Top + bottleneckDecorationHeight * 0.5f, bottleRect.CenterX() - bottleneckWidth * 0.5f, bottleRect.Top + bottleneckDecorationHeight);
path.LineTo(bottleRect.CenterX() - bottleneckWidth * 0.5f, bottleRect.Top + bottleneckHeight);
//draw the Left side of the bottle's body
float radius = (bottleRect.Width() - mStrokeWidth) / 2.0f;
float CenterY = bottleRect.Bottom - 0.86f * radius;
RectF bodyRect = new RectF(bottleRect.Left, CenterY - radius, bottleRect.Right, CenterY + radius);
path.AddArc(bodyRect, 255, -135);
//draw the Bottom of the bottle
float bottleBottomWidth = bottleRect.Width() / 2.0f;
path.LineTo(bottleRect.CenterX() - bottleBottomWidth / 2.0f, bottleRect.Bottom);
path.LineTo(bottleRect.CenterX() + bottleBottomWidth / 2.0f, bottleRect.Bottom);
//draw the Right side of the bottle's body
path.AddArc(bodyRect, 60, -135);
//draw the Right side of the bottleneck decoration
path.LineTo(bottleRect.CenterX() + bottleneckWidth * 0.5f, bottleRect.Top + bottleneckDecorationHeight);
path.QuadTo(bottleRect.CenterX() + bottleneckDecorationWidth * 0.5f + bottleneckWidth * 0.15f, bottleRect.Top + bottleneckDecorationHeight * 0.5f, bottleRect.CenterX() + bottleneckDecorationWidth * 0.5f, bottleRect.Top);
return(path);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
RectF arcBounds = mCurrentBounds;
arcBounds.Set(bounds);
//draw bottle
mPaint.SetStyle(Paint.Style.Stroke);
mPaint.Color = new Color(mBottleColor);
canvas.DrawPath(CreateBottlePath(mBottleBounds), mPaint);
//draw water
mPaint.SetStyle(Paint.Style.FillAndStroke);
mPaint.Color = new Color(mWaterColor);
canvas.DrawPath(CreateWaterPath(mWaterBounds, mProgress), mPaint);
//draw water drop
mPaint.SetStyle(Paint.Style.Fill);
mPaint.Color = new Color(mWaterColor);
foreach (WaterDropHolder waterDropHolder in mWaterDropHolders)
{
if (waterDropHolder.mNeedDraw)
{
canvas.DrawCircle(waterDropHolder.mInitX, waterDropHolder.mCurrentY, waterDropHolder.mRadius, mPaint);
}
}
//draw loading text
mPaint.Color = new Color(mBottleColor);
canvas.DrawText(LOADING_TEXT, mBottleBounds.CenterX() - mLoadingBounds.Width() / 2.0f, mBottleBounds.Bottom + mBottleBounds.Height() * 0.2f, mPaint);
canvas.RestoreToCount(saveCount);
}