diff --git a/src/main.c b/src/main.c
index e8fdb3f..fe07847 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,6 +10,7 @@ by Jeffery Myers is marked with CC0 1.0. To view a copy of this license, visit h
 #include "raylib.h"
 
 #include "resource_dir.h"	// utility header for SearchAndSetResourceDir
+#include <stdio.h>
 
 int main ()
 {
@@ -27,6 +28,15 @@ int main ()
 	Texture2D emi = LoadTextureFromImage(image);
 	UnloadImage(image);
 	
+	int HorizontalPosition = 400;
+	int VerticalPosition = 300;
+
+	int point = 0;
+
+	//Start point of the colectible
+
+	int positionXCollectible = GetRandomValue(0, 600);
+	int positionYCollectible = GetRandomValue(0, 800);
 
 	
 	// game loop
@@ -38,12 +48,45 @@ int main ()
 		// Setup the back buffer for drawing (clear color and depth buffers)
 		ClearBackground(BLACK);
 
-		// draw our texture to the screen
-		DrawTexture(emi, 800/2 - emi.width/2, 600/2 - emi.height/2, WHITE);
+		DrawCircle(HorizontalPosition, VerticalPosition, 10, BLUE);
 
-		// draw some text using the default font
-		DrawText("Ceci est un test de la branch dev", 200,50,20,PINK);
+		DrawCircle(positionYCollectible, positionXCollectible, 10, YELLOW);
 
+		//draw score
+			DrawText(TextFormat("score : %d", point), 500,50,20,PINK);
+
+
+		//up
+		if (IsKeyDown(74) && VerticalPosition != 580 ) {
+			// draw some text using the default font
+			VerticalPosition = VerticalPosition+1;
+		};
+		//down
+		if (IsKeyDown(75) && VerticalPosition != 0) {
+			VerticalPosition = VerticalPosition-1;
+			// draw some text using the default font
+		};
+		//left
+		if (IsKeyDown(72) && HorizontalPosition != 0) {
+			HorizontalPosition = HorizontalPosition-1;
+			// draw some text using the default font
+		};
+		//right
+		if (IsKeyDown(76)&& HorizontalPosition != 780) {
+			HorizontalPosition = HorizontalPosition+1;
+			// draw some text using the default font
+		};
+
+		if(point == 10){
+			DrawText("Emi la plus belle", 50,50,20,PINK);
+		}
+
+		if((positionXCollectible == VerticalPosition -10 || positionXCollectible == VerticalPosition +10) 
+			&& (positionYCollectible == HorizontalPosition -10 || positionYCollectible == HorizontalPosition +10)){
+			positionXCollectible = GetRandomValue(0, 600);
+			positionYCollectible = GetRandomValue(0, 800);
+			point = point + 1;
+		}
 		
 		// end the frame and get ready for the next one  (display frame, poll input, etc...)
 		EndDrawing();