mouse pan and reset offset

kubo_context.c

@@ -155,6 +155,17 @@ void kubo_context_input_right(struct kubo_context *context) {
     }
 }
 
+void kubo_context_reset_offset(struct kubo_context *context) {
+    switch (context->state.id) {
+    case KUBO_CONTEXT_NORMAL:
+        context->offset_x = 0;
+        context->offset_y = 0;
+        break;
+    default:
+        break;
+    }
+}
+
 static void select_next_wall(struct kubo_context *context) {
     if (!context->walls.count) {
         return;

kubo_context.h

@@ -74,4 +74,6 @@ void kubo_context_input_down(struct kubo_context *context);
 void kubo_context_input_left(struct kubo_context *context);
 void kubo_context_input_right(struct kubo_context *context);
 
+void kubo_context_reset_offset(struct kubo_context *context);
+
 #endif

kubo_input.c

@@ -74,6 +74,10 @@ static void key_input(struct kubo_context *context) {
         kubo_context_delete_wall(context);
         break;
 
+    case KEY_SPACE:
+        kubo_context_reset_offset(context);
+        break;
+
     default:
         break;
     }

kubo_window.c

@@ -22,6 +22,8 @@ static void window_render(struct kubo_context *context);
 static void window_left_mouse(struct kubo_context *context);
 static void window_right_mouse(struct kubo_context *context);
 
+static void pan(struct kubo_context *context);
+
 static void new_wall_click(struct kubo_context *context);
 static void new_wall_end(struct kubo_context *context);
 
@@ -30,7 +32,7 @@ void kubo_window_init() {
     InitWindow(KUBO_WINDOW_WIDTH, KUBO_WINDOW_HEIGHT, "Kubo");
     EnableEventWaiting();
     SetExitKey(0);
-    SetTargetFPS(60);
+    SetTargetFPS(KUBO_TARGET_FPS);
 }
 
 void kubo_window_cleanup() { CloseWindow(); }
@@ -41,6 +43,7 @@ bool kubo_window_should_close(struct kubo_context *context) {
 
 void kubo_window_tick(struct kubo_context *context) {
     window_render(context);
+    pan(context);
     if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
         window_left_mouse(context);
     }
@@ -91,6 +94,15 @@ static void window_right_mouse(struct kubo_context *context) {
     }
 }
 
+static void pan(struct kubo_context *context) {
+    if (context->state.id == KUBO_CONTEXT_NORMAL &&
+        IsMouseButtonDown(MOUSE_BUTTON_LEFT)) {
+        Vector2 delta = GetMouseDelta();
+        context->offset_x += delta.x;
+        context->offset_y += delta.y;
+    }
+}
+
 static void new_wall_click(struct kubo_context *context) {
     struct kubo_wall *current_wall = kubo_context_get_pending_wall(context);
 

kubo_window.h

@@ -28,6 +28,8 @@
 #define KUBO_WINDOW_WIDTH 1000
 #define KUBO_WINDOW_HEIGHT 800
 
+#define KUBO_TARGET_FPS 165
+
 void kubo_window_init();
 void kubo_window_cleanup();