private void InitWaterDropHolders(RectF bottleRect, RectF waterRect)
{
float bottleRadius = bottleRect.Width() / 2.0f;
float lowestWaterPointY = waterRect.Top;
float twoSidesInterval = 0.2f * bottleRect.Width();
float atLeastDelayDuration = 0.1f;
float unitDuration = 0.1f;
float delayDurationRange = 0.6f;
int radiusRandomRange = MAX_WATER_DROP_RADIUS - MIN_WATER_DROP_RADIUS;
float currentXRandomRange = bottleRect.Width() * 0.6f;
for (int i = 0; i < DEFAULT_WATER_DROP_COUNT; i++)
{
WaterDropHolder waterDropHolder = new WaterDropHolder
{
mRadius = MIN_WATER_DROP_RADIUS + mRandom.Next(radiusRandomRange),
mInitX = bottleRect.Left + twoSidesInterval + (float)mRandom.NextDouble() * currentXRandomRange
};
waterDropHolder.mInitY = lowestWaterPointY + waterDropHolder.mRadius / 2.0f;
waterDropHolder.mRiseHeight = GetMaxRiseHeight(bottleRadius, waterDropHolder.mRadius, waterDropHolder.mInitX - bottleRect.Left) * (0.2f + 0.8f * (float)mRandom.NextDouble());
waterDropHolder.mDelayDuration = atLeastDelayDuration + (float)mRandom.NextDouble() * delayDurationRange;
waterDropHolder.mDuration = waterDropHolder.mRiseHeight / bottleRadius * unitDuration;
mWaterDropHolders.Add(waterDropHolder);
}
}
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);
}
protected internal override void ComputeRender(float renderProgress)
{
if (mCurrentBounds.Width() <= 0)
{
return;
}
RectF arcBounds = mCurrentBounds;
//compute gas tube bounds
mBottleBounds.Set(arcBounds.CenterX() - mBottleWidth / 2.0f, arcBounds.CenterY() - mBottleHeight / 2.0f, arcBounds.CenterX() + mBottleWidth / 2.0f, arcBounds.CenterY() + mBottleHeight / 2.0f);
//compute pipe body bounds
mWaterBounds.Set(mBottleBounds.Left + mStrokeWidth * 1.5f, mBottleBounds.Top + mWaterLowestPointToBottleneckDistance, mBottleBounds.Right - mStrokeWidth * 1.5f, mBottleBounds.Bottom - mStrokeWidth * 1.5f);
//compute wave progress
float totalWaveProgress = renderProgress * mWaveCount;
float currentWaveProgress = totalWaveProgress - ((int)totalWaveProgress);
if (currentWaveProgress > 0.5f)
{
mProgress = 1.0f - MATERIAL_INTERPOLATOR.GetInterpolation((currentWaveProgress - 0.5f) * 2.0f);
}
else
{
mProgress = MATERIAL_INTERPOLATOR.GetInterpolation(currentWaveProgress * 2.0f);
}
//init water drop holders
if (mWaterDropHolders.Count == 0)
{
InitWaterDropHolders(mBottleBounds, mWaterBounds);
}
//compute the location of these water drops
foreach (WaterDropHolder waterDropHolder in mWaterDropHolders)
{
if (waterDropHolder.mDelayDuration < renderProgress && waterDropHolder.mDelayDuration + waterDropHolder.mDuration > renderProgress)
{
float riseProgress = (renderProgress - waterDropHolder.mDelayDuration) / waterDropHolder.mDuration;
riseProgress = riseProgress < 0.5f ? riseProgress * 2.0f : 1.0f - (riseProgress - 0.5f) * 2.0f;
waterDropHolder.mCurrentY = waterDropHolder.mInitY - MATERIAL_INTERPOLATOR.GetInterpolation(riseProgress) * waterDropHolder.mRiseHeight;
waterDropHolder.mNeedDraw = true;
}
else
{
waterDropHolder.mNeedDraw = false;
}
}
//measure loading text
mPaint.TextSize = mTextSize;
mPaint.GetTextBounds(LOADING_TEXT, 0, LOADING_TEXT.Length, mLoadingBounds);
}
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);
}
private Path CreateProgressPath(float progress, float circleRadius, RectF progressRect)
{
RectF arcProgressRect = new RectF(progressRect.Left, progressRect.Top, progressRect.Left + circleRadius * 2, progressRect.Bottom);
RectF rectProgressRect = null;
float progressWidth = progress * progressRect.Width();
float progressModeWidth = mMode == MODE_LEAF_COUNT ? (float)mCurrentLeafCount / (float)LEAF_COUNT * progressRect.Width() : progress *progressRect.Width();
float swipeAngle = DEGREE_180;
//the Left half circle of the progressbar
if (progressModeWidth < circleRadius)
{
swipeAngle = progressModeWidth / circleRadius * DEGREE_180;
}
//the center rect of the progressbar
if (progressModeWidth < progressRect.Width() - circleRadius && progressModeWidth >= circleRadius)
{
rectProgressRect = new RectF(progressRect.Left + circleRadius, progressRect.Top, progressRect.Left + progressModeWidth, progressRect.Bottom);
}
//the Right half circle of the progressbar
if (progressWidth >= progressRect.Width() - circleRadius)
{
rectProgressRect = new RectF(progressRect.Left + circleRadius, progressRect.Top, progressRect.Right - circleRadius, progressRect.Bottom);
mScale = (progressRect.Width() - progressWidth) / circleRadius;
}
//the Left of the Right half circle
if (progressWidth < progressRect.Width() - circleRadius)
{
mRotation = (progressWidth / (progressRect.Width() - circleRadius)) * FULL_GROUP_ROTATION % DEGREE_360;
RectF leafRect = new RectF(progressRect.Left + progressWidth, progressRect.Top, progressRect.Right - circleRadius, progressRect.Bottom);
AddLeaf(progress, leafRect);
}
Path path = new Path();
path.AddArc(arcProgressRect, DEGREE_180 - swipeAngle / 2, swipeAngle);
if (rectProgressRect != null)
{
path.AddRect(rectProgressRect, Path.Direction.Cw);
}
return(path);
}