class Opal::Shader::AudioVisualizerPass

• Opal::Shader::AudioVisualizerPass
• Opal::Shader::Pass
• Reference
• Object

Overview

Procedural multi-band equalizer / audio spectrum visualizer Features dynamic frequency bands, responsive VU meter gradients, and peak hold markers.

Defined in:

opal/shader/presets.cr

Constructors

• .new(region : Rect | Nil = nil, speed : Float64 = 1.0, bar_count : Int32 = 16, low_color : Color | Symbol | String = :green, mid_color : Color | Symbol | String = :yellow, high_color : Color | Symbol | String = :bright_red, peak_color : Color | Symbol | String = :bright_white)

Instance Method Summary

• #apply(source : UI::Buffer, target : UI::Buffer, time : Float64, frame : UInt64) : Nil
• #bar_count : Int32
• #bar_count=(bar_count : Int32)
• #high_color : Color
• #high_color=(high_color : Color)
• #low_color : Color
• #low_color=(low_color : Color)
• #mid_color : Color
• #mid_color=(mid_color : Color)
• #peak_color : Color
• #peak_color=(peak_color : Color)
• #speed : Float64
• #speed=(speed : Float64)

Constructor Detail

Instance Method Detail