.. _program_listing_file_src_animation_waveanimation.cpp:

Program Listing for File waveanimation.cpp
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_animation_waveanimation.cpp>` (``src/animation/waveanimation.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include "waveanimation.h"
   
   namespace PixelMaestro {
       WaveAnimation::WaveAnimation(Section& section) : Animation(section) {
           type_ = AnimationType::Wave;
           map();
       }
   
       int8_t WaveAnimation::get_skew() const {
           return skew_;
       }
   
       void WaveAnimation::set_skew(int8_t skew) {
           this->skew_ = skew;
           map();
       }
   
       void WaveAnimation::map() {
           for (uint16_t y = 0; y < section_.get_dimensions().y; y++) {
               for (uint16_t x = 0; x < section_.get_dimensions().x; x++) {
                   uint8_t color_index;
                   if (orientation_ == Orientation::Vertical || orientation_ == Orientation::VerticalFlipped) {
                       color_index = y + (x * skew_);
                   }
                   else {  // Horizontal
                       color_index = x + (y * skew_);
                   }
                   if (color_index == 255) color_index = 254;
                   set_map_color_index(x, y, color_index);
               }
           }
       }
   
       void WaveAnimation::update() {
           update_cycle(0, palette_->get_num_colors());
       }
   }