1 files changed, 86 insertions, 4 deletions

diff --git a/src/main.cpp b/src/main.cpp
index c2e66a5..f8dba56 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,26 +1,108 @@
 #include "raylib.h"
+#include <print>
+#include <string>
 
 #define SCREEN_WIDTH (800)
 #define SCREEN_HEIGHT (450)
 #define WINDOW_TITLE "Hello World"
 
+#define GRAVITY 1
+#define PLAYER_SIZE 40
+#define JUMP_STRENGTH 10
+#define NUM_OF_OBSTACLES 8
+#define OBSTACLE_SIZE 40
+
+struct Player
+{
+    float y = 0;
+    float velocity = 0;
+    Rectangle rec;
+};
+
+struct Obstacle
+{
+    float y;
+    float x;
+    float speed;
+    Rectangle rec;
+};
+
 int
 main(void)
 {
     InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, WINDOW_TITLE);
     SetTargetFPS(60);
 
+    Player player;
+    Obstacle obstacles[NUM_OF_OBSTACLES];
+    for (auto &o: obstacles)
+    {
+      o.y = static_cast<float>(GetRandomValue(0, SCREEN_HEIGHT - OBSTACLE_SIZE));
+      o.x = static_cast<float>(GetRandomValue(SCREEN_WIDTH, SCREEN_WIDTH * 2));
+      o.speed = static_cast<float>(GetRandomValue(2, 5));
+      o.rec = {o.x, o.y, OBSTACLE_SIZE, OBSTACLE_SIZE};
+    }
+
+    int score = 0;
+    int highscore = 0;
+
     while (!WindowShouldClose())
     {
-      BeginDrawing();
+        score += 1;
+        if (score >= highscore)
+	  highscore = score;
+      
+        if (player.y <= 0)
+        {
+	  player.velocity = 0;
+        }
+	
+        if (IsKeyDown(KEY_SPACE) && player.y > 0)
+        {
+	  player.velocity = -JUMP_STRENGTH;
+        }
+        else if (player.velocity >= 0 && player.y >= SCREEN_HEIGHT - PLAYER_SIZE - player.velocity)
+        {
+	  player.velocity = 0;
+        }
+        else
+        {
+	  player.velocity += GRAVITY;
+        }
+        player.y += player.velocity;
+
+	player.rec = {50, player.y, PLAYER_SIZE, PLAYER_SIZE};
+	
+	for (auto &o : obstacles)
+        {
+            o.x -= o.speed;
+            if (o.x < -OBSTACLE_SIZE)
+            {
+	      o.y = static_cast<float>(GetRandomValue(0, SCREEN_HEIGHT - OBSTACLE_SIZE));
+	      o.x = static_cast<float>(GetRandomValue(SCREEN_WIDTH, SCREEN_WIDTH * 2));
+	      o.speed = static_cast<float>(GetRandomValue(1, 5));
+            }
+	    o.rec = {o.x, o.y, OBSTACLE_SIZE, OBSTACLE_SIZE};
+            if (CheckCollisionRecs(o.rec, player.rec))
+	      score = 0;
+        }
 	
-        ClearBackground(RAYWHITE);
-        DrawText("Hello world!", 10, 10, 20, BLACK);
+        BeginDrawing();
+        ClearBackground(BLUE);
 
+	auto score_text = std::format("Score: {}\nBest: {}", score, highscore);
+        DrawText(score_text.c_str(), 10, 10, 20, WHITE);
+	
+        DrawRectangleRec(player.rec, BLACK);
+	
+        for (auto o : obstacles)
+        {
+	  DrawRectangleRec(o.rec, RED);
+        }
+	
         EndDrawing();
     }
 
     CloseWindow();
-
     return 0;
 }