change color based on position of sone

src/canvas/BackGround.cpp

@@ -1,3 +1,5 @@
+#include <cmath>
+
 #include "canvas/BackGround.hpp"
 #include "canvas/BackGroundColors.hpp"
 #include "Math.hpp"
@@ -91,10 +93,23 @@ void BackGround::drawStarts()
 
 void BackGround::drawSun()
 {
-  int r = ((m_moon.size * (maxSizeOfMoon - minSizeOfMoon)) + minSizeOfMoon) * size;
+  int r = ((m_moon.y * (maxSizeOfMoon - minSizeOfMoon)) + minSizeOfMoon) * size;
   int xpos = Lerp(size * moonXOffset, size - size * moonXOffset, m_moon.x);
   int ypos = Lerp(size * moonXOffset, maxYPosOfMoon * size, m_moon.y);
 
+  if (colorSet == 3) {
+    sun.setColor(BackGroundColors::moonColor);
+    r = ((m_moon.size * (maxSizeOfMoon - minSizeOfMoon)) + minSizeOfMoon) * size;
+  }
+  else {
+    Color color = {0};
+    color.r = 255;
+    color.g = std::lerp(200, 50, m_moon.y);
+    color.b = std::lerp(50, 0, m_moon.y);
+    color.a = 255;
+
+    sun.setColor(color);
+  }
   sun.draw(xpos, ypos, r);
 }
 

src/canvas/Sun.cpp

@@ -58,6 +58,15 @@ void Sun::deinit()
   UnloadRenderTexture(target);
 }
 
+void Sun::setColor(Color color)
+{
+  c[0] = color.r / 255.0f;
+  c[1] = color.g / 255.0f;
+  c[2] = color.b / 255.0f;
+  colorLoc = GetShaderLocation(shader, "color");
+  SetShaderValue(shader, colorLoc, c, SHADER_UNIFORM_VEC3);
+}
+
 void Sun::draw(float x, float y, float size)
 {
   Rectangle dest = { x-size, y - size, size * 2, size * 2};