added mappers to rest of primatives

primatives/trapezoid.cpp

@@ -7,6 +7,7 @@
 #include "../helpers.cpp"
 #include "../buffer.cpp"
 #include "../shaders/shaders.h"
+#include "../mappers/mappers.h"
 
 namespace UwU {
   // trapezoid (horizontally constrained)
@@ -30,8 +31,8 @@ namespace UwU {
       
       // Draw a horizontally bounded trapezoid
       // y1 >= y0
-      template <class ShaderT>
-      void draw (Buffer buffer, ShaderBase<ShaderT>& shader) {
+      template <class MapperT, class ShaderT>
+      void draw (Buffer buffer, MapperBase<MapperT>& mapper, ShaderBase<ShaderT>& shader) {
         uint16_t height = 1 + y1 - y0;
         int16_t LeftBound[height];
         int16_t RightBound[height];
@@ -41,7 +42,8 @@ namespace UwU {
         
         for (uint16_t i = 0; i < height; i++) {
           for (uint16_t x = LeftBound[i]; x <= RightBound[i]; x++) {
-            buffer.drawPixel(x, i + y0, shader.shade(x, i + y0));
+            Coord2 uv = mapper.map(x, i + y0);
+            buffer.drawPixel(x, i + y0, shader.shade(uv.x, uv.y));
           }
         }
         return;