add more rubust structure

src/const.hpp

@@ -0,0 +1,7 @@
+#include <SDL3/SDL_stdinc.h>
+constexpr int SCREEN_WIDTH = 800;
+constexpr int SCREEN_HEIGHT = 600;
+constexpr int WORLD_WIDTH = 1600;
+constexpr int WORLD_HEIGHT = 1200;
+constexpr int TARGET_FPS = 60;
+constexpr Uint64 TARGET_FRAME_TIME_NS = 1'000'000'000 / TARGET_FPS;

src/main.cpp

@@ -1,28 +1,9 @@
 #include <SDL3/SDL.h>
 #include <SDL3_image/SDL_image.h>
+#include <cmath>
 #include "types.hpp"
 
-constexpr int SCREEN_WIDTH = 800;
-constexpr int SCREEN_HEIGHT = 600;
-constexpr int WORLD_WIDTH = 1600;
-constexpr int WORLD_HEIGHT = 1200;
-constexpr int TARGET_FPS = 60;
-constexpr Uint64 TARGET_FRAME_TIME_NS = 1'000'000'000 / TARGET_FPS;
 
-struct Entity {
-    SDL_FRect position;
-    SDL_Texture* texture;
-    SDL_Rect srcRect;
-    float speed = 250.0f;
-    Angle360 Angle;
-};
-
-struct Camera {
-    SDL_FRect view = {0.0f, 0.0f, SCREEN_WIDTH, SCREEN_HEIGHT};
-    bool followPlayer = true;
-    float speed = 500.0f;
-    float smoothness = 0.1f;
-};
 
 int main() {
     SDL_Init(SDL_INIT_VIDEO);
@@ -38,7 +19,7 @@ int main() {
     destroyer.texture = spriteSheet;
     destroyer.position = {WORLD_WIDTH/2.0f, WORLD_HEIGHT/2.0f, 58.0f, 512.0f};
     destroyer.srcRect = {0, 0, 58, 512};  // Static source rectangle
-    destroyer.Angle = 0;
+    destroyer.angle = 0;
 
     // Initialize camera
     Camera camera;
@@ -53,8 +34,21 @@ int main() {
         SDL_Event event;
         while (SDL_PollEvent(&event)) {
             if (event.type == SDL_EVENT_QUIT) running = false;
+            if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
+                // Check specific button (e.g., left mouse button)
+                if (event.button.button == SDL_BUTTON_LEFT) {
+                    printf("Left mouse clicked at (%.1f, %.1f)\nCamera position: (%.1f, %.1f)\nTarget position: (%.1f, %.1f)\n", 
+                           event.button.x, event.button.y, camera.view.x, camera.view.y, camera.view.x+event.button.x, camera.view.y+event.button.y);
+                    destroyer.Tposition.x = camera.view.x+event.button.x;
+                    destroyer.Tposition.y = camera.view.y+event.button.y;
+                    destroyer.gotoT = true;
+                }
+            }
         }
 
+        
+    
+
         // Input handling
         const bool* keystate = SDL_GetKeyboardState(NULL);
 
@@ -74,34 +68,34 @@ int main() {
             case 1:
                 switch (moveY) {
                     case 1:
-                        destroyer.Angle = 135;
+                        destroyer.angle = 135;
                         break;
                     case -1:
-                        destroyer.Angle = 45;
+                        destroyer.angle = 45;
                         break;
                     default:
-                        destroyer.Angle = 90;
+                        destroyer.angle = 90;
                 }
                 break;
             case -1:
                 switch (moveY) {
                     case 1:
-                        destroyer.Angle = 225;
+                        destroyer.angle = 225;
                         break;
                     case -1:
-                        destroyer.Angle = 315;
+                        destroyer.angle = 315;
                         break;
                     default:
-                        destroyer.Angle = 270;
+                        destroyer.angle = 270;
                 }
                 break;
             default:
                 switch (moveY) {
                     case 1:
-                        destroyer.Angle = 180;
+                        destroyer.angle = 180;
                         break;
                     case -1:
-                        destroyer.Angle = 0;
+                        destroyer.angle = 0;
                         break;
                 }            
         }
@@ -109,6 +103,10 @@ int main() {
         destroyer.position.x += (float)moveX * destroyer.speed * deltaTime;
         destroyer.position.y += (float)moveY * destroyer.speed * deltaTime;
 
+        if(destroyer.gotoT) {
+            destroyer.angle = std::atan2(destroyer.Tposition.y - destroyer.position.y, destroyer.Tposition.x - destroyer.position.x) * 180 / M_PI;
+        }
+
         // Camera movement
         if (camera.followPlayer) {
             float targetX = destroyer.position.x + destroyer.position.w/2 - camera.view.w/2;
@@ -116,8 +114,8 @@ int main() {
             camera.view.x += (targetX - camera.view.x) * camera.smoothness;
             camera.view.y += (targetY - camera.view.y) * camera.smoothness;
         } else {
-            float camMoveX = keystate[SDL_SCANCODE_L] - keystate[SDL_SCANCODE_J];
-            float camMoveY = keystate[SDL_SCANCODE_K] - keystate[SDL_SCANCODE_I];
+            float camMoveX = keystate[SDL_SCANCODE_D] - keystate[SDL_SCANCODE_A];
+            float camMoveY = keystate[SDL_SCANCODE_S] - keystate[SDL_SCANCODE_W];
             camera.view.x += camMoveX * camera.speed * deltaTime;
             camera.view.y += camMoveY * camera.speed * deltaTime;
         }
@@ -149,7 +147,7 @@ int main() {
             destroyer.position.w,
             destroyer.position.h
         };
-        SDL_RenderTextureRotated(renderer, destroyer.texture, &srcFRect, &destRect, destroyer.Angle, nullptr, SDL_FLIP_NONE);
+        SDL_RenderTextureRotated(renderer, destroyer.texture, &srcFRect, &destRect, destroyer.angle, nullptr, SDL_FLIP_NONE);
     
         SDL_RenderPresent(renderer);
 

src/types.hpp

@@ -1,5 +1,6 @@
 #include <SDL3/SDL.h>
 #include <SDL3_image/SDL_image.h>
+#include "const.hpp"
 #include <iostream>
 
 struct Angle360 {
@@ -42,5 +43,21 @@ struct Angle360 {
         friend std::ostream& operator<<(std::ostream& os, const Angle360& a) {
             return os << a.value;
         }
-    };
-    
+};
+    
+struct Entity {
+    SDL_FRect position;
+    SDL_FRect Tposition;
+    bool gotoT;
+    SDL_Texture* texture;
+    SDL_Rect srcRect;
+    float speed = 250.0f;
+    Angle360 angle;
+};
+    
+struct Camera {
+    SDL_FRect view = {0.0f, 0.0f, SCREEN_WIDTH, SCREEN_HEIGHT};
+    bool followPlayer = false;
+    float speed = 500.0f;
+    float smoothness = 0.1f;
+};