organized project directory. makefile broken

2026-07-07 08:09:54 -07:00
parent 1fce028eea
commit f09db214cc
20 changed files with 32 additions and 63 deletions
@@ -0,0 +1,59 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+
+namespace UwU {
+  // trapezoid (horizontally constrained)
+  class Trapezoid {
+    public:
+      Trapezoid(uint16_t y0, uint16_t y1, uint16_t xl0, uint16_t xl1, uint16_t xr0, uint16_t xr1) {
+        this->y0 = y0;
+        this->y1 = y1;
+        this->xl0 = xl0;
+        this->xl1 = xl1;
+        this->xr0 = xr0;
+        this->xr1 = xr1;
+      }
+      Trapezoid() {}
+      uint16_t y0;
+      uint16_t y1;
+      uint16_t xl0;
+      uint16_t xl1;
+      uint16_t xr0;
+      uint16_t xr1;
+      
+      // Draw a horizontally bounded trapezoid
+      // y1 >= y0
+      // todo move to private and add public checks
+      void draw (Buffer buffer, Color color) {
+        // printf("(%u, %u, %u, %u, %u, %u)", coords.y0, coords.y1, coords.xl0, coords.xl1, coords.xr0, coords.xr1);
+        uint16_t height = 1 + y1 - y0;
+        int16_t LeftBound[height];
+        int16_t RightBound[height];
+        
+        Helpers::bresenham(0, xl0, y1 - y0, xl1, LeftBound);
+        Helpers::bresenham(0, xr0, y1 - y0, xr1, RightBound);
+        
+        // printf("leftbound\n");
+        for (uint16_t i = 0; i < height; i++) {
+          // printf("(%u, %u)\n", i, LeftBound[i]);
+        }
+        // printf("rightbound\n");
+        for (uint16_t i = 0; i < height; i++) {
+          // printf("(%u, %u)\n", i, RightBound[i]);
+        }
+        
+        for (uint16_t i = 0; i < height; i++) {
+          for (uint16_t x = LeftBound[i]; x <= RightBound[i]; x++) {
+            // printf("(%u, %u)", x, i + coords.y0);
+            buffer.drawPixel(Coord2(x, i + y0), color);
+          }
+        }
+        return;
+      }
+  };
+}