include fix

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);
     }