added origin to mapper parameters

2026-07-24 19:06:14 -07:00
parent eddbb85256
commit 5298e75fdb
10 changed files with 23 additions and 25 deletions
@@ -39,10 +39,12 @@ namespace UwU {
        
        Helpers::bresenham(0, xl0, y1 - y0, xl1, LeftBound);
        Helpers::bresenham(0, xr0, y1 - y0, xr1, RightBound);
+
+        uint16_t x0 = std::min(xl0, xl1);
        
        for (uint16_t i = 0; i < height; i++) {
          for (uint16_t x = LeftBound[i]; x <= RightBound[i]; x++) {
-            Coord2 uv = mapper.map(x, i + y0);
+            Coord2 uv = mapper.map(x0, y0, x, i + y0);
            buffer.drawPixel(x, i + y0, shader.shade(uv.x, uv.y));
          }
        }