include fix

frame/src/Vector.hpp

@@ -1,4 +1,5 @@
 #pragma once
+#include <iostream>
 
 #include "Size.hpp"
 
@@ -10,7 +11,7 @@ namespace frame
         int32_t y;
 
         Vector() = default;
-        Vector(int32_t x, int32_t)
+        Vector(int32_t x, int32_t y)
             : x(x)
             , y(y)
         {
@@ -18,7 +19,7 @@ namespace frame
 
         Vector(Size const& size)
             : x(size.width)
-            , y(size.width)
+            , y(size.height)
         {
         }
 
@@ -53,4 +54,9 @@ namespace frame
         return a;
     }
 
+    inline std::ostream& operator<<(std::ostream& os, Vector const& v)
+    {
+        return os << "x: "<< v.x << " y: " << v.y;
+    }
+
 } // namespace frame

frame/src/main.cpp

@@ -2,14 +2,27 @@
 #include <iostream>
 #include <thread>
 #include <vector>
+#include <cmath>
 
 using namespace std::chrono_literals;
 
 #include "display/EPD_7in5_V2.hpp"
 #include "render/RenderTarget.hpp"
 
+
 int main()
 {
+    double const pi = 3.14159;
+
+    std::cout << "pi: " << pi << " " << 3.14159f << std::endl;
+    std::cout << "pi / 180;"  << pi / 180.f << std::endl;
+    for(int i = 0; i < 360; i += 45)
+    {
+        std::cout << "(i): " << i << std::endl;
+        std::cout << "rad: " << (float)i * pi / 180.f << std::endl;
+    }
+
+    return 0;
 
     frame::display::EPD_7in5_V2 display{};
 
@@ -21,15 +34,28 @@ int main()
 
     frame::Vector const center = (display.getSize() / 2);
 
+    frame::Vector v = {10, 12};
+    std::cout << "Main: " << v << std::endl;
+
     target.DrawPixel({10, 10}, frame::BLACK);
-    target.DrawLine({10, 12}, {100, 12}, frame::BLACK);
+    target.DrawLine(v, {100, 12}, frame::BLACK);
 
     for(int i = 0; i < 360; i += 45)
     {
         auto end = center;
-        end.x += (int)std::cos(i * 0.01745329);
-        end.y += (int)std::sin(i * 0.01745329);
 
+	double const cos_ = i * 0.01745329;
+	std::cout << i << " cos: " << cos_ << std::endl;
+	double x = std::cos(cos_);
+        double y = std::sin(i * 0.01745329);
+	x *= 50.f;
+        y *= 50.f;
+        std::cout << x << " " << (int)x << " " << y << std::endl;
+        end.x += (int)x;
+        end.y += (int)y;
+
+
+	std::cout << end << std::endl;
         target.DrawLine(center, end);
     }
 

frame/src/render/RenderTarget.cpp

@@ -1,5 +1,8 @@
 #include "RenderTarget.hpp"
 
+#include <cmath>
+#include <iostream>
+
 namespace frame::render
 {
 
@@ -26,6 +29,7 @@ namespace frame::render
         auto pos = start;
         auto E   = 2 * deltaY - deltaX;
 
+        std::cout << "Start: " << start << " End: " << end << std::endl;
         DrawPixel(pos, color);
 
         while(pos != end)
@@ -42,6 +46,7 @@ namespace frame::render
 
                 E += 2 * deltaY - 2 * deltaX;
             }
+            std::cout << pos << std::endl;
             DrawPixel(pos, color);
         }
     }