UwUGL/primatives/rectangle.cpp

#pragma once

#include <stdint.h>

#include "../datatypes.cpp"
#include "../helpers.cpp"
#include "../buffer.cpp"
#include "../mappers/mappers.h"
#include "../textures/textures.h"

namespace UwU {
  // rectangle
  class Rectangle {
    public:
      Rectangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
        this->x0 = x0;
        this->y0 = y0;
        this->x1 = x1;
        this->y1 = y1;
      }
      Rectangle() {}
      uint16_t x0;
      uint16_t y0;
      uint16_t x1;
      uint16_t y1;
      
      // Draw a rectangle
      template <class MapperT, class TextureT>
      void draw (Buffer buffer, MapperBase<MapperT>& mapper, TextureBase<TextureT>& texture) {
        if (x0 > buffer.width || y0 > buffer.height || x1 > buffer.width || y1 > buffer.height) {return;};
        for (uint16_t y = y0; y <= y1; y++) {
          for (uint16_t x = x0; x <= x1; x++) {
            Coord2 uv = mapper.map(x0, y0, x, y);
            buffer.drawPixel(x, y, texture.texel(uv.x, uv.y));
          }
        }
        return;
      }
  };
}