MACD with Histogram Difference

yesterday//version=5
indicator("MACD with Histogram Difference", shorttitle="MACD", overlay=false)

// 定义参数
fastLength = input.int(12, title="Fast EMA Length") // 快速EMA周期
slowLength = input.int(26, title="Slow EMA Length") // 慢速EMA周期
signalSmoothing = input.int(9, title="Signal Smoothing") // 信号线周期
redGreenEMALength = input.int(9, title="Red-Green EMA Length") // 红绿柱EMA周期

// 计算EMA
fastMA = ta.ema(close, fastLength)
slowMA = ta.ema(close, slowLength)

// 计算MACD线
macdLine = fastMA - slowMA

// 计算信号线
signalLine = ta.ema(macdLine, signalSmoothing)

// 计算柱状图
histogram = macdLine - signalLine

// 确定柱体颜色
var colorHist = color.new(color.gray, 100) // 默认透明色
if histogram >= 0
if histogram > histogram[1] and histogram[1] >= 0
colorHist := color.green // 上穿零轴，最高柱体
else
colorHist := color.new(color.green, 70) // 随后柱体降低为浅绿
else
if histogram < histogram[1] and histogram[1] < 0
colorHist := color.red // 下穿零轴，最低柱体
else
colorHist := color.new(color.red, 70) // 随后柱体上升为浅红

// 计算红绿柱的9日EMA
redGreenEMA = ta.ema(histogram, redGreenEMALength)

// 计算红绿柱与EMA之间的差值
difference = histogram - redGreenEMA

// 确定差值柱体颜色
var colorDiffHist = color.new(color.gray, 100) // 默认透明色
if difference >= 0
if difference > difference[1]
colorDiffHist := color.green // 差值增加
else
colorDiffHist := color.new(color.green, 70) // 差值减少
else
if difference < difference[1]
colorDiffHist := color.red // 差值降低
else
colorDiffHist := color.new(color.red, 70) // 差值上升

// 绘制MACD线
plot(macdLine, color=color.blue, title="MACD Line")

// 绘制信号线
plot(signalLine, color=color.orange, title="Signal Line")

// 绘制柱状图
plot(histogram, style=plot.style_columns, color=colorHist, title="Histogram")

// 绘制红绿柱的曲线
plot(histogram, color=(histogram >= 0 ? color.green : color.red), linewidth=2, title="Red-Green Line")

// 绘制红绿柱的9日EMA
plot(redGreenEMA, color=color.purple, linewidth=2, title="Red-Green EMA")

// 绘制差值柱状图
plot(difference, style=plot.style_columns, color=colorDiffHist, title="Difference Histogram")

// 绘制零轴
hline(0, "Zero Line", color=color.gray, linestyle=hline.style_dashed)