added origin to mapper parameters

primatives/line.cpp

@@ -28,7 +28,7 @@ namespace UwU {
         Coord2 uv;
 
         for (int16_t x = ix0; x < ix1; x++) {
-          uv = mapper.map(x, y);
+          uv = mapper.map(ix0, iy0, x, y);
           buffer.drawPixel((uint16_t)x, (uint16_t)y, shader.shade(uv.x, uv.y));
           if (d > 0) {
             y += yi;
@@ -56,7 +56,7 @@ namespace UwU {
         Coord2 uv;
 
         for (int16_t y = iy0; y < iy1; y++) {
-          uv = mapper.map(x, y);
+          uv = mapper.map(ix0, iy0, x, y);
           buffer.drawPixel((uint16_t)x, (uint16_t)y, shader.shade(uv.x, uv.y));
           if (d > 0) {
             x += xi;

primatives/point.cpp

@@ -24,7 +24,7 @@ namespace UwU {
       template <class MapperT, class ShaderT>
       void draw (Buffer buffer, MapperBase<MapperT>& mapper, ShaderBase<ShaderT>& shader) {
         if (x > buffer.width || y > buffer.height) {return;};
-        Coord2 uv = mapper.map(x, y);
+        Coord2 uv = mapper.map(x, y, x, y);
         buffer.drawPixel(x, y, shader.shade(uv.x, uv.y));
         return;
       }

primatives/rectangle.cpp

@@ -30,7 +30,7 @@ namespace UwU {
         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(x, y);
+            Coord2 uv = mapper.map(x0, y0, x, y);
             buffer.drawPixel(x, y, shader.shade(uv.x, uv.y));
           }
         }

primatives/trapezoid.cpp

@@ -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));
           }
         }

primatives/triangle.cpp

@@ -91,13 +91,15 @@ namespace UwU {
         // Calculate LUT for short two lines
         Helpers::bresenham(0, topX, midY - topY, midX, splitBound);
         Helpers::bresenham(midY - topY, midX, height - 1, btmX, splitBound);
+
         Coord2 uv;
+        uint16_t leftX = std::min(topX, std::min(midX, btmX));
 
         // Left-handed triangle case (midpoint is left of triangle)
         if ((int16_t)midX < longBound[midY - topY]) {
           for (uint16_t i = 0; i < height; i++) {
             for (uint16_t x = (uint16_t)splitBound[i]; x <= (uint16_t)longBound[i]; x++) {
-              uv = mapper.map(x, i + (uint16_t)topY);
+              uv = mapper.map(leftX, topY, x, i + (uint16_t)topY);
               buffer.drawPixel(x, i + (uint16_t)topY, shader.shade(uv.x, uv.y));
             }
           }
@@ -105,7 +107,7 @@ namespace UwU {
         } else {
           for (uint16_t i = 0; i < height; i++) {
             for (uint16_t x = (uint16_t)longBound[i]; x <= (uint16_t)splitBound[i]; x++) {
-              uv = mapper.map(x, i + (uint16_t)topY);
+              uv = mapper.map(leftX, topY, x, i + (uint16_t)topY);
               buffer.drawPixel(x, i + (uint16_t)topY, shader.shade(uv.x, uv.y));
             }
           }