connect patterns with single link

.gitea/workflows/tests.yaml

@@ -16,17 +16,19 @@ jobs:
             sleep 5
           done
   build:
-    runs-on: ubuntu-latest
+    runs-on: galactica
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.12'
-          cache: 'pip'
-      - run: pip install -r requirements.txt
+          python-version: "3.12"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+      - name: Set up Python
+        run: uv python install
       - name: Install the code linting and formatting tool Ruff
-        run: pip install ruff
+        run: uv build
       - name: Lint code with Ruff
         run: ruff check --output-format=github --target-version=py39
       - name: Check code formatting with Ruff

grid/ui/items.py

@@ -60,11 +60,13 @@ class AgilitySphereGraphicsItem(SphereGraphicsItem):
     def __init__(self, x_pos: int, y_pos: int) -> None:
         super().__init__(x_pos, y_pos, Qt.GlobalColor.darkYellow)
 
+
 class EmptySphereGraphicsItem(SphereGraphicsItem):
     def __init__(self, x_pos: int, y_pos: int) -> None:
         self.SPHERE_WIDTH = 20
         super().__init__(x_pos, y_pos, Qt.GlobalColor.black)
 
+
 @staticmethod
 def random_sphere_factory(x_pos: int, y_pos: int) -> SphereGraphicsItem:
     rand = random.random()
@@ -78,6 +80,7 @@ def random_sphere_factory(x_pos: int, y_pos: int) -> SphereGraphicsItem:
         obj = EmptySphereGraphicsItem(x_pos, y_pos)
     return obj
 
+
 class ArcGraphicsItem(QGraphicsItem):
     """Circle arc."""
 
@@ -111,7 +114,7 @@ class ArcGraphicsItem(QGraphicsItem):
         # must a more elegant way but it works
         if angle_end == 0:
             angle_end = 360
-        self.draw_angle_end = int(abs(angle_end-angle_start) * 16)
+        self.draw_angle_end = int(abs(angle_end - angle_start) * 16)
         logging.debug(
             "arc from %s:%s of %s from %s° to %s°",
             self.x_pos,

grid/ui/pattern.py

@@ -2,9 +2,8 @@ import math
 
 from typing import List, Tuple
 
-from PySide6.QtCore import Qt
 
-from PySide6.QtGui import QBrush, QPainter
+from PySide6.QtGui import QPainter
 
 from PySide6.QtWidgets import QGraphicsItemGroup
 from PySide6.QtWidgets import (
@@ -16,6 +15,7 @@ from grid.ui.items import (
     HPSphereGraphicsItem,
     ArcGraphicsItem,
     LineGraphicsItem,
+    SphereGraphicsItem,
     random_sphere_factory,
 )
 
@@ -31,6 +31,26 @@ class Pattern(QGraphicsItemGroup):
         # center coordinates of the pattern
         self.center_x = top_left_corner_x + int(self.PATTERN_WIDTH / 2)
         self.center_y = top_left_corner_y + int(self.PATTERN_WIDTH / 2)
+        self.external_connectors: List[SphereGraphicsItem] = []
+
+    def get_external_connectors(self) -> List[SphereGraphicsItem]:
+        """Candidate spheres to connect with other patterns.
+
+        Returns:
+            List[SphereGraphicsItem]: List of spheres
+        """
+        return self.external_connectors
+
+    def connect(self, other: "Pattern") -> None:
+        s1 = self.external_connectors[0]
+        s2 = other.external_connectors[1]
+        line_start_x = s1.x_pos + s1.SPHERE_WIDTH / 2
+        line_start_y = s1.y_pos + s1.SPHERE_WIDTH / 2
+        line_end_x = s2.x_pos + s2.SPHERE_WIDTH / 2
+        line_end_y = s2.y_pos + s2.SPHERE_WIDTH / 2
+        self.addToGroup(
+            LineGraphicsItem(line_start_x, line_start_y, line_end_x, line_end_y, self)
+        )
 
     def paint(
         self,
@@ -39,8 +59,8 @@ class Pattern(QGraphicsItemGroup):
         widget: QWidget | None = ...,
     ):
         super().paint(painter, option, widget)
-        brush = QBrush(Qt.GlobalColor.gray)
-        painter.setBrush(brush)
+        # brush = QBrush(Qt.GlobalColor.gray)
+        # painter.setBrush(brush)
         painter.drawRect(
             self.top_left_corner_x,
             self.top_left_corner_y,
@@ -112,8 +132,8 @@ class LargeUltimaPattern(Pattern):
                     y_pos=self.center_y,
                     width=self.SPACE_BETWEEN_SPHERE * 2,
                     angle_start=(i * 360 / sphere_on_circle) % 360,
-                    #angle_end=((i + 1) * 360 / sphere_on_circle) % 360,
-                    angle_end=(360 / sphere_on_circle ),
+                    # angle_end=((i + 1) * 360 / sphere_on_circle) % 360,
+                    angle_end=(360 / sphere_on_circle),
                     parent=self,
                 )
             )
@@ -143,7 +163,9 @@ class LargeUltimaPattern(Pattern):
                 )
             )
         for x, y in points:
-            self.addToGroup(random_sphere_factory(x, y))
+            external_sphere = random_sphere_factory(x, y)
+            self.addToGroup(external_sphere)
+            self.external_connectors.append(external_sphere)
         # self.addToGroup(
         #    ArcGraphicsItem(
         #        self.center_x, self.center_y, self.SPACE_BETWEEN_SPHERE * 2, 0, 90, self
@@ -161,7 +183,7 @@ class SmallZPattern(Pattern):
 
         sphere_on_circle = 6
         for i in range(sphere_on_circle):
-            if i == 2 or i == 3:
+            if i == 2 or i == 3 or i == 5 or i == 0:
                 continue
             else:
                 self.addToGroup(
@@ -177,8 +199,22 @@ class SmallZPattern(Pattern):
         points = self.generate_circle_points(
             self.center_x, self.center_y, self.SPACE_BETWEEN_SPHERE, sphere_on_circle
         )
+        self.addToGroup(
+            LineGraphicsItem(
+                self.center_x, self.center_y, points[1][0], points[1][1], self
+            )
+        )
+        self.addToGroup(
+            LineGraphicsItem(
+                self.center_x, self.center_y, points[4][0], points[4][1], self
+            )
+        )
         # Remove left and right sphere
         del points[0]
         del points[2]
         for x, y in points:
-            self.addToGroup(random_sphere_factory(x, y))
+            external_sphere = random_sphere_factory(x, y)
+            self.addToGroup(external_sphere)
+            self.external_connectors.append(external_sphere)
+
+        self.addToGroup(HPSphereGraphicsItem(self.center_x, self.center_y))

grid/ui/window.py

@@ -1,9 +1,5 @@
-import logging
-import sys
-
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import (
-    QApplication,
     QGraphicsScene,
     QGraphicsView,
     QHBoxLayout,
@@ -22,7 +18,8 @@ class Window(QWidget):
         self.scene = QGraphicsScene(0, 0, 400, 400)
 
         pp1 = LargeUltimaPattern(0, 0)
-        pp2 = SmallZPattern(401, 0)
+        pp2 = SmallZPattern(351, 0)
+        pp1.connect(pp2)
         self.scene.addItem(pp1)
         self.scene.addItem(pp2)
 
@@ -34,12 +31,3 @@ class Window(QWidget):
 
         self.setLayout(vbox)
         self.show()
-
-
-logging.basicConfig(
-    level=logging.DEBUG,
-    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
-)
-app = QApplication(sys.argv)
-w = Window()
-app.exec()

main.py

@@ -0,0 +1,19 @@
+import logging
+import sys
+
+from grid.ui.window import Window
+from PySide6.QtWidgets import QApplication
+
+def main():
+    print("Hello from sphere-grid!")
+    logging.basicConfig(
+        level=logging.DEBUG,
+        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+    )
+    app = QApplication(sys.argv)
+    w = Window()  # noqa: F841
+    app.exec()
+
+
+if __name__ == "__main__":
+    main()

pyproject.toml

@@ -9,3 +9,7 @@ dependencies = [
     "pytest==8.3.3",
     "ruff==0.12.10",
 ]
+
+[build-system]
+requires = ["setuptools>=42"]
+build-backend = "setuptools.build_meta"

uv.lock

@@ -142,7 +142,7 @@ wheels = [
 [[package]]
 name = "sphere-grid"
 version = "0.1.0"
-source = { virtual = "." }
+source = { editable = "." }
 dependencies = [
     { name = "pyside6" },
     { name = "pytest" },