diff --git a/Readme.md b/Readme.md
index 0cd043a..4715362 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,10 +1,3 @@
-# how to build
-```
-g++ build.cpp -o build
-./build
-or 
-./build run
-```
 
 # Code style
 
@@ -35,6 +28,6 @@ or
 
 ## Generate shader .h files
 ```
-xxd -i shaders/sun_100.fs > inc/sunShader.hpp
-xxd -i shaders/sun_330.fs >> inc/sunShader.hpp
+xxd -i shaders/sun_100.fs > shared/inc/canvas/sunShader.hpp
+xxd -i shaders/sun_330.fs >> shared/inc/canvas/sunShader.hpp
 ```
\ No newline at end of file
diff --git a/shaders/sun_100.fs b/shaders/sun_100.fs
index e3f3eda..91ae54c 100644
--- a/shaders/sun_100.fs
+++ b/shaders/sun_100.fs
@@ -1,17 +1,17 @@
-#version 100
+#version 300 es
 
 precision mediump float;
 
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
+in vec2 fragTexCoord;
+in vec4 fragColor;
+out vec4 finalColor;
 
 uniform vec3 color;
-uniform float sun_radius;
-uniform float start_transperency;
-
 vec2 offset = vec2(1.0, 1.0);
-float sun_end = 1.0;
+
+float start_transparency = 0.40f;
+float sun_radius = 0.6f;
+float sun_end = 1.0f;
 
 void main()
 {
@@ -20,17 +20,13 @@ void main()
     float radius = length(offset);
 
     if(radius < sun_radius){
-
-        gl_FragColor = vec4(color, 1.0);
-
+        finalColor = vec4(color, 1.0);
     }else if(radius < sun_end){
-
         float gradient = radius;
         gradient -= sun_radius;
-        gradient = gradient / (sun_end - sun_radius) * start_transperency;
-        gl_FragColor = vec4(color, start_transperency - gradient);
-
+        gradient = gradient / 0.4f * start_transparency;
+        finalColor = vec4(color, start_transparency - gradient);
     }else{
-        gl_FragColor = vec4(color, 0.0);
+        finalColor = vec4(color, 0.0);
     }
-}
\ No newline at end of file
+}
diff --git a/shaders/sun_330.fs b/shaders/sun_330.fs
index ba3b306..3afc15a 100644
--- a/shaders/sun_330.fs
+++ b/shaders/sun_330.fs
@@ -5,9 +5,10 @@ in vec4 fragColor;
 out vec4 finalColor;
 
 uniform vec3 color;
-uniform float sun_radius;
-uniform float start_transperency;
-vec2 offset = vec2(1.0f, 1.0f);
+vec2 offset = vec2(1.0, 1.0);
+
+float start_transparency = 0.40f;
+float sun_radius = 0.6f;
 float sun_end = 1.0f;
 
 void main()
@@ -20,8 +21,8 @@ void main()
     }else if(radius < sun_end){
         float gradient = radius;
         gradient -= sun_radius;
-        gradient = gradient / (sun_end - sun_radius) * start_transperency;
-        finalColor = vec4(color, start_transperency - gradient);
+        gradient = gradient / 0.4f * start_transparency;
+        finalColor = vec4(color, start_transparency - gradient);
     }else{
         finalColor = vec4(color, 0.0f);
     }
diff --git a/shared/inc/canvas/Circle.hpp b/shared/inc/canvas/Circle.hpp
index 73958c5..bb42716 100644
--- a/shared/inc/canvas/Circle.hpp
+++ b/shared/inc/canvas/Circle.hpp
@@ -6,7 +6,6 @@ public:
 	static void init();
 	static void deinit();
 	static void setColor(Color color);
-	static void setSoftEdge(bool soft);
 	static void draw(float x, float y, float size);
 
 	Circle() = delete;
@@ -16,11 +15,6 @@ private:
 	static RenderTexture2D target;
 	static Shader shader;
 
-	static float radius;
-	static float start_transperency;
 	static float c[3];
-
-	static int radius_loc;
-	static int start_transperency_loc;
 	static int colorLoc;
 };
diff --git a/shared/inc/canvas/sunShader.hpp b/shared/inc/canvas/sunShader.hpp
index 1f08777..785c9f6 100644
--- a/shared/inc/canvas/sunShader.hpp
+++ b/shared/inc/canvas/sunShader.hpp
@@ -1,88 +1,123 @@
-const char *sun_shader_100 = "#version 100\n\
-precision mediump float;\
-varying vec2 fragTexCoord;\
-varying vec4 fragColor;\
-uniform vec3 color;\
-uniform float sun_radius;\
-uniform float start_transperency;\
-vec2 offset = vec2(1.0, 1.0);\
-float sun_end = 1.0;\
-void main()\
-{\
-  offset.x -= fragTexCoord.x * 2.0;\
-  offset.y -= fragTexCoord.y * 2.0;\
-  float radius = length(offset);\
-  if (radius < sun_radius) {\
-    gl_FragColor = vec4(color, 1.0);\
-  }\
-  else if (radius < sun_end) {\
-    float gradient = radius;\
-    gradient -= sun_radius;\
-    gradient = gradient / (sun_end - sun_radius) * start_transperency;\
-    gl_FragColor = vec4(color, start_transperency - gradient);\
-  }\
-  else {\
-    gl_FragColor = vec4(color, 0.0);\
-  }\
-}";
-
+unsigned char shaders_sun_100_fs[] = {
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+};
+unsigned int shaders_sun_100_fs_len = 710;
 unsigned char shaders_sun_330_fs[] = {
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+  0x20, 0x20, 0x66, 0x69, 0x6e, 0x61, 0x6c, 0x43, 0x6f, 0x6c, 0x6f, 0x72,
+  0x20, 0x3d, 0x20, 0x76, 0x65, 0x63, 0x34, 0x28, 0x63, 0x6f, 0x6c, 0x6f,
+  0x72, 0x2c, 0x20, 0x30, 0x2e, 0x30, 0x66, 0x29, 0x3b, 0x0a, 0x20, 0x20,
+  0x20, 0x20, 0x7d, 0x0a, 0x7d, 0x0a
+};
+unsigned int shaders_sun_330_fs_len = 678;
diff --git a/shared/src/canvas/BackGround.cpp b/shared/src/canvas/BackGround.cpp
index 1a3107b..30a1f5f 100644
--- a/shared/src/canvas/BackGround.cpp
+++ b/shared/src/canvas/BackGround.cpp
@@ -52,7 +52,6 @@ void BackGround::deinit()
 
 void BackGround::draw(Dna *dna)
 {
-  Circle::setSoftEdge(true);
   m_dna = dna;
   mountenSeed = dna->mountenSeed;
   starSeed = dna->starSeed;
diff --git a/shared/src/canvas/Circle.cpp b/shared/src/canvas/Circle.cpp
index 3a0a85b..1245827 100644
--- a/shared/src/canvas/Circle.cpp
+++ b/shared/src/canvas/Circle.cpp
@@ -6,11 +6,7 @@
 
 RenderTexture2D Circle::target;
 Shader Circle::shader;
-float Circle::radius;
-float Circle::start_transperency;
 float Circle::c[3];
-int Circle::radius_loc;
-int Circle::start_transperency_loc;
 int Circle::colorLoc;
 
 void Circle::init()
@@ -22,14 +18,6 @@ void Circle::init()
 #endif
   target = LoadRenderTexture(sizeTexute, sizeTexute);
 
-  radius = 0.6f;
-  radius_loc = GetShaderLocation(shader, "sun_radius");
-  SetShaderValue(shader, radius_loc, &radius, SHADER_UNIFORM_FLOAT);
-
-  start_transperency = 0.40f;
-  start_transperency_loc = GetShaderLocation(shader, "start_transperency");
-  SetShaderValue(shader, start_transperency_loc, &start_transperency, SHADER_UNIFORM_FLOAT);
-
   c[0] = 1.0f;
   c[1] = 1.0f;
   c[2] = 1.0f;
@@ -55,19 +43,6 @@ void Circle::setColor(Color color)
   SetShaderValue(shader, colorLoc, c, SHADER_UNIFORM_VEC3);
 }
 
-void Circle::setSoftEdge(bool soft)
-{
-  if (soft)
-  {
-    radius = 0.6f;
-  }
-  else
-  {
-    radius = 1.0f;
-  }
-  SetShaderValue(shader, radius_loc, &radius, SHADER_UNIFORM_FLOAT);
-}
-
 void Circle::draw(float x, float y, float size)
 {
   Rectangle dest = {x - size, y - size, size * 2, size * 2};
diff --git a/shared/src/canvas/Tree.cpp b/shared/src/canvas/Tree.cpp
index eb6c056..84cfb28 100644
--- a/shared/src/canvas/Tree.cpp
+++ b/shared/src/canvas/Tree.cpp
@@ -1,7 +1,6 @@
 #include <cmath>
 
 #include "canvas/Tree.hpp"
-#include "canvas/Circle.hpp"
 
 #include <raylib.h>
 #include <raymath.h>
@@ -45,8 +44,6 @@ void Tree::init(int size)
 
 void Tree::draw(Dna *dna)
 {
-  Circle::setSoftEdge(false);
-
   m_dna = dna;
   branchSeed = dna->branchSeed;
   drawCalls.push_back({start, 180.0f, 0});