Gann 999

//version=5
indicator("Gann Square of Nine HA Pivot Levels", overlay=true)

// ===== USER INPUT =====
haPivot = input.float(3339.33, "HA Pivot")
degreeStep = input.int(45, "Degree Step (Default 45°)")

// ===== CALCULATIONS =====
root = math.sqrt(haPivot)
step = degreeStep / 360.0

// Function to calculate level
gannLevel(multiplier) =>
math.pow(root + (step * multiplier), 2)

// R levels
R1 = gannLevel(1)
R2 = gannLevel(2)
R3 = gannLevel(3)
R4 = gannLevel(4)
R5 = gannLevel(5)
R6 = gannLevel(6)
R7 = gannLevel(7)
R8 = gannLevel(8)
R9 = gannLevel(9)

// S levels
S1 = math.pow(root - (step * 1), 2)
S2 = math.pow(root - (step * 2), 2)
S3 = math.pow(root - (step * 3), 2)
S4 = math.pow(root - (step * 4), 2)
S5 = math.pow(root - (step * 5), 2)
S6 = math.pow(root - (step * 6), 2)
S7 = math.pow(root - (step * 7), 2)
S8 = math.pow(root - (step * 8), 2)
S9 = math.pow(root - (step * 9), 2)

// ===== PLOTTING =====
plot(haPivot, "HA Pivot", color=color.yellow, linewidth=2)

plot(R1, "R1", color=color.green)
plot(R2, "R2", color=color.green)
plot(R3, "R3", color=color.green)
plot(R4, "R4", color=color.green)
plot(R5, "R5", color=color.green)
plot(R6, "R6", color=color.green)
plot(R7, "R7", color=color.green)
plot(R8, "R8", color=color.green)
plot(R9, "R9", color=color.green)

plot(S1, "S1", color=color.red)
plot(S2, "S2", color=color.red)
plot(S3, "S3", color=color.red)
plot(S4, "S4", color=color.red)
plot(S5, "S5", color=color.red)
plot(S6, "S6", color=color.red)
plot(S7, "S7", color=color.red)
plot(S8, "S8", color=color.red)
plot(S9, "S9", color=color.red)

// ===== LABELS (last bar only) =====
if bar_index == last_bar_index
label.new(bar_index, R9, "R9", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R8, "R8", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R7, "R7", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R6, "R6", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R5, "R5", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R4, "R4", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R3, "R3", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R2, "R2", style=label.style_label_down, color=color.green, textcolor=color.white)
label.new(bar_index, R1, "R1", style=label.style_label_down, color=color.green, textcolor=color.white)

label.new(bar_index, S1, "S1", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S2, "S2", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S3, "S3", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S4, "S4", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S5, "S5", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S6, "S6", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S7, "S7", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S8, "S8", style=label.style_label_up, color=color.red, textcolor=color.white)
label.new(bar_index, S9, "S9", style=label.style_label_up, color=color.red, textcolor=color.white)