panning

kubo_wall.c

@@ -40,18 +40,29 @@ Vector2 kubo_wall_get_vertex(struct kubo_wall *wall, size_t index) {
     return kubo_vector2_arr_get(&wall->vertices, index);
 }
 
-void kubo_wall_render(struct kubo_wall *wall, bool select) {
-
+void kubo_wall_render(struct kubo_wall *wall, bool select, int offset_x,
+                      int offset_y) {
     Color wall_color =
         (select && wall->state == KUBO_WALL_SELECTED) ? BLUE : BLACK;
 
-    DrawSplineLinear(wall->vertices.data, wall->vertices.count, 10.f,
-                     wall_color);
+    Vector2 *points = malloc(sizeof(Vector2) * wall->vertices.count);
+
+    for (size_t i = 0; i < wall->vertices.count; i++) {
+
+        points[i] = kubo_vector2_arr_get(&wall->vertices, i);
+
+        points[i].x += offset_x;
+        points[i].y += offset_y;
+    }
+
+    DrawSplineLinear(points, wall->vertices.count, 10.f, wall_color);
 
     if (wall->state == KUBO_WALL_DRAWING) {
         Vector2 mouse = GetMousePosition();
-        Vector2 points[] = {wall->vertices.data[wall->vertices.count - 1],
-                            mouse};
-        DrawSplineLinear(points, 2, 10.f, wall_color);
+        Vector2 mouse_points[] = {points[wall->vertices.count - 1], mouse};
+
+        DrawSplineLinear(mouse_points, 2, 10.f, wall_color);
     }
+
+    free(points);
 }