jetzt funktionierts

.idea/.gitignore

@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/MatrixMania.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.13 (MatrixMania)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,16 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyCompatibilityInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ourVersions">
+        <value>
+          <list size="3">
+            <item index="0" class="java.lang.String" itemvalue="2.7" />
+            <item index="1" class="java.lang.String" itemvalue="3.14" />
+            <item index="2" class="java.lang.String" itemvalue="3.13" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

.idea/inspectionProfiles/profiles_settings.xml

@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.13 (MatrixMania)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13 (MatrixMania)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/MatrixMania.iml" filepath="$PROJECT_DIR$/.idea/MatrixMania.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

AGENTS.md

@@ -1,4 +1,8 @@
 # Regeln für dieses Projekt
 - Code nach PEP 8, Zeilenlänge maximal 88 Zeichen.
 - Jede Funktion und Methode hat einen Docstring und Type Hints.
-- Vor jedem Commit: `ruff check` und `ruff format`.
+- Vor jedem Commit: `ruff check` und `ruff format`.
+
+## Projektstruktur
+- Quellcode liegt unter "src/matrixmania/", Tests unter "test/test_matrixmania/"
+- Testpakete, Testdateien und Testfunktionen beginnen mit "test_"

install_dependencies.py

@@ -0,0 +1,146 @@
+#!/usr/bin/env python3
+"""Installiert die Abhängigkeiten aus pyproject.toml in die aktuelle Python-Umgebung.
+
+Ersatz für "Install requirements" aus PyCharm, wenn das Projekt eine pyproject.toml
+statt einer requirements.txt hat. Kein Build, keine besondere Projektstruktur nötig,
+nur Standardbibliothek (Python >= 3.11).
+
+Benutzung:
+  In PyCharm: Rechtsklick auf diese Datei -> Run 'install_dependencies'
+  Im Terminal (venv aktiv): python install_dependencies.py
+
+Ohne Parameter wird ALLES installiert:
+  [project].dependencies + alle [project.optional-dependencies] + alle [dependency-groups]
+
+Abweichendes Verhalten:
+  python install_dependencies.py --extra dev        nur Basis + Extra "dev"
+  python install_dependencies.py --group test       nur Basis + Gruppe "test"
+  python install_dependencies.py --no-main --group dev
+  python install_dependencies.py --list             nur anzeigen, nichts installieren
+  python install_dependencies.py --write            requirements.txt schreiben statt installieren
+  python install_dependencies.py --write -o reqs.txt
+"""
+from __future__ import annotations
+
+import sys
+
+if sys.version_info < (3, 11):
+    sys.exit("Dieses Skript braucht Python 3.11 oder neuer (tomllib). "
+             f"Aktuell: {sys.version.split()[0]}")
+
+import argparse
+import subprocess
+import tempfile
+import tomllib
+from pathlib import Path
+
+PROJECT_DIR = Path(__file__).resolve().parent
+
+
+def resolve_group(groups: dict, name: str, seen: set[str] | None = None) -> list[str]:
+    """Löst eine Dependency-Group inkl. {include-group = "..."} rekursiv auf."""
+    seen = set() if seen is None else seen
+    if name in seen:
+        raise ValueError(f"Zyklische include-group: {name}")
+    if name not in groups:
+        raise KeyError(f"Dependency-Group '{name}' nicht gefunden")
+    seen.add(name)
+    result: list[str] = []
+    for entry in groups[name]:
+        if isinstance(entry, str):
+            result.append(entry)
+        elif isinstance(entry, dict) and "include-group" in entry:
+            result.extend(resolve_group(groups, entry["include-group"], seen))
+    return result
+
+
+def collect(data: dict, extras: list[str], groups: list[str], no_main: bool) -> list[str]:
+    project = data.get("project", {})
+    optional = project.get("optional-dependencies", {})
+    dep_groups = data.get("dependency-groups", {})
+    deps: list[str] = []
+
+    if not no_main:
+        deps.extend(project.get("dependencies", []))
+    for extra in extras:
+        if extra not in optional:
+            raise KeyError(f"Optional-Dependency '{extra}' nicht gefunden")
+        deps.extend(optional[extra])
+    for group in groups:
+        deps.extend(resolve_group(dep_groups, group))
+
+    # Duplikate entfernen, Reihenfolge behalten
+    return list(dict.fromkeys(d.strip() for d in deps if d.strip()))
+
+
+def main() -> int:
+    p = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
+    p.add_argument("-p", "--pyproject", type=Path, default=PROJECT_DIR / "pyproject.toml",
+                   help="Pfad zur pyproject.toml (Standard: neben diesem Skript)")
+    p.add_argument("--extra", action="append", default=None,
+                   help="nur diese optional-dependencies (mehrfach möglich)")
+    p.add_argument("--group", action="append", default=None,
+                   help="nur diese dependency-groups (mehrfach möglich)")
+    p.add_argument("--no-main", action="store_true", help="[project].dependencies weglassen")
+    p.add_argument("--list", action="store_true", help="Abhängigkeiten nur anzeigen")
+    p.add_argument("--write", action="store_true", help="requirements-Datei schreiben statt installieren")
+    p.add_argument("-o", "--output", type=Path, default=PROJECT_DIR / "requirements.txt",
+                   help="Zieldatei für --write")
+    args = p.parse_args()
+
+    if not args.pyproject.exists():
+        print(f"{args.pyproject} nicht gefunden", file=sys.stderr)
+        return 1
+    data = tomllib.loads(args.pyproject.read_text(encoding="utf-8"))
+    all_extras = list(data.get("project", {}).get("optional-dependencies", {}))
+    all_groups = list(data.get("dependency-groups", {}))
+
+    # Ohne --extra/--group: alles. Mit einem davon: nur das Gewählte.
+    selective = args.extra is not None or args.group is not None
+    extras = (args.extra or []) if selective else all_extras
+    groups = (args.group or []) if selective else all_groups
+
+    try:
+        deps = collect(data, extras, groups, args.no_main)
+    except (KeyError, ValueError) as e:
+        print(f"Fehler: {e.args[0]}", file=sys.stderr)
+        print(f"  Vorhandene --extra: {', '.join(all_extras) or '(keine)'}", file=sys.stderr)
+        print(f"  Vorhandene --group: {', '.join(all_groups) or '(keine)'}", file=sys.stderr)
+        return 1
+
+    parts = ([] if args.no_main else ["Basis"]) + [f"extra:{e}" for e in extras] + [f"group:{g}" for g in groups]
+    print(f"Auswahl: {', '.join(parts) or '(nichts)'}")
+
+    if args.list:
+        print("\n".join(deps) or "(keine Abhängigkeiten)")
+        return 0
+
+    content = f"# Automatisch erzeugt aus {args.pyproject.name} – nicht von Hand bearbeiten\n" + "\n".join(deps) + "\n"
+
+    if args.write:
+        args.output.write_text(content, encoding="utf-8")
+        print(f"{len(deps)} Abhängigkeiten -> {args.output}")
+        return 0
+
+    if not deps:
+        print("Keine Abhängigkeiten gefunden – nichts zu tun.")
+        return 0
+
+    if sys.prefix == sys.base_prefix:
+        print("WARNUNG: Es ist kein virtuelles Environment aktiv – es wird in die globale "
+              f"Python-Installation installiert:\n  {sys.prefix}", file=sys.stderr)
+        if sys.stdin.isatty() and input("Trotzdem fortfahren? [j/N] ").strip().lower() not in ("j", "ja", "y", "yes"):
+            return 1
+
+    with tempfile.NamedTemporaryFile("w", suffix=".txt", delete=False, encoding="utf-8") as tmp:
+        tmp.write(content)
+        tmp_path = Path(tmp.name)
+    try:
+        print(f"Installiere {len(deps)} Abhängigkeiten in {sys.prefix}\n")
+        return subprocess.call([sys.executable, "-m", "pip", "install", "-r", str(tmp_path)])
+    finally:
+        tmp_path.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

pyproject.toml

@@ -0,0 +1,10 @@
+[project]
+name = "matrixmania"
+version = "0.1.0"
+dependencies = ["tabulate", "ruff"]
+
+[project.optional-dependencies]
+dev = ["pytest", "ruff", "pytest-cov"]
+
+[tool.pytest.ini_options]
+pythonpath = "src"

pyproject.toml.py

@@ -1,4 +0,0 @@
-[project]
-name = "matrixmania"
-version = "0.1.0"
-dependencies = ["tabulate", "ruff"]

src/matrixmania.egg-info/PKG-INFO

@@ -0,0 +1,9 @@
+Metadata-Version: 2.4
+Name: matrixmania
+Version: 0.1.0
+Requires-Dist: tabulate
+Requires-Dist: ruff
+Provides-Extra: dev
+Requires-Dist: pytest; extra == "dev"
+Requires-Dist: ruff; extra == "dev"
+Requires-Dist: pytest-cov; extra == "dev"

src/matrixmania.egg-info/SOURCES.txt

@@ -0,0 +1,8 @@
+pyproject.toml
+src/matrixmania/__init__.py
+src/matrixmania/compute.py
+src/matrixmania.egg-info/PKG-INFO
+src/matrixmania.egg-info/SOURCES.txt
+src/matrixmania.egg-info/dependency_links.txt
+src/matrixmania.egg-info/requires.txt
+src/matrixmania.egg-info/top_level.txt

src/matrixmania.egg-info/dependency_links.txt

@@ -0,0 +1 @@
+

src/matrixmania.egg-info/requires.txt

@@ -0,0 +1,7 @@
+tabulate
+ruff
+
+[dev]
+pytest
+ruff
+pytest-cov

src/matrixmania.egg-info/top_level.txt

@@ -0,0 +1 @@
+matrixmania

src/matrixmania/__init__.py

@@ -0,0 +1 @@
+from matrixmania.compute import matmul, transpose, rot_2D, rot_3D

src/matrixmania/compute.py

@@ -23,8 +23,6 @@ __all__ = ["matmul", "transpose"]
 
 def matmul(a: list[list[float]] , b:list[list[float]]) -> list[list[float]]:
     """Return the product of two matrices ``a`` and ``b``.
-
-
     Returns
     -------
     List[List[float]]
@@ -102,12 +100,80 @@ def rot_2D(winkel):
         [math.cos(winkel), -math.sin(winkel)],
         [math.sin(winkel), math.cos(winkel)]
     ]
+
+def rot_3D(angle: float, axis: str) -> list[list[float]]:
+    """Gibt die Rotationsmatrix für einen Winkel in Radiant um die x-, y- oder z-Achse zurück.
+
+    Parameters
+    ----------
+    angle : float
+        Rotationswinkel in Radiant.
+    axis : str
+        Rotationsachse: ``"x"``, ``"y"`` oder ``"z"``.
+
+    Returns
+    -------
+    list[list[float]]
+        Die entsprechende 3x3-Rotationsmatrix.
+
+    Raises
+    ------
+    ValueError
+        Wenn ``axis`` nicht ``"x"``, ``"y"`` oder ``"z"`` ist.
+
+    Formeln
+    -------
+    Rx(theta) =
+        [[1, 0, 0],
+         [0, cos(theta), -sin(theta)],
+         [0, sin(theta), cos(theta)]]
+
+    Ry(theta) =
+        [[cos(theta), 0, sin(theta)],
+         [0, 1, 0],
+         [-sin(theta), 0, cos(theta)]]
+
+    Rz(theta) =
+        [[cos(theta), -sin(theta), 0],
+         [sin(theta), cos(theta), 0],
+         [0, 0, 1]]
+    """
+    if axis == "x":
+        return [
+            [1.0, 0.0, 0.0],
+            [0.0, math.cos(angle), -math.sin(angle)],
+            [0.0, math.sin(angle), math.cos(angle)],
+        ]
+
+    if axis == "y":
+        return [
+            [math.cos(angle), 0.0, math.sin(angle)],
+            [0.0, 1.0, 0.0],
+            [-math.sin(angle), 0.0, math.cos(angle)],
+        ]
+
+    if axis == "z":
+        return [
+            [math.cos(angle), -math.sin(angle), 0.0],
+            [math.sin(angle), math.cos(angle), 0.0],
+            [0.0, 0.0, 1.0],
+        ]
+
+    raise ValueError("axis must be 'x', 'y' or 'z'")
+
 def transpose(a: list[list[float]]) -> list[list[float]]:
     """Gibt die transponierte Matrix a zurück."""
     return [
         [row[i] for row in a]
         for i in range(len(a[0]))
     ]
+
+def project_ortho(point: tuple[float, float], scale: float= 1) -> tuple[float, float]:
+    #das dreidimensionale wird zweidimensional gezeichnet z muss hinten immer weg
+    x, y, z = point
+    return (x * scale, y * scale)
+
+
 def main() -> None:
     """Demonstrate :func:`matmul` with a simple example.
     This function is only executed when the module is run as a script.

test/test_matrixmania/test_projection.py

@@ -0,0 +1,23 @@
+from matrixmania.compute import project_ortho
+
+def test_project_ortho_ohneSkalierung():
+    # Arrange
+    point =(1, 2, 3)
+    expected = (1, 2)
+
+    #Act
+    result = project_ortho(point)
+
+    #Assert
+    assert result == expected
+def test_project_ortho_mitskalierung():
+    #Arrange
+    point = (1, 2, 3)
+    scale = 100
+    expected =(100, 200)
+
+    #Act
+    result = project_ortho(point, scale)
+
+    #Assert
+    assert result == expected

test/test_matrixmania/test_rot.py

@@ -0,0 +1,30 @@
+import math
+import pytest
+
+from matrixmania.compute import rot_2D, rot_3D
+
+def test_rot2D_90_grad(): # dreht es sich wirklich um 90 grad?
+    #Arrange
+    angle = math.pi/2
+    expected = [
+        [math.cos(angle), -math.sin(angle)],
+        [math.sin(angle), math.cos(angle)]
+    ]
+
+    #Act
+    result = rot_2D(angle)
+    #Assert
+    assert result == expected
+
+def test_rot3D_drehen(): #dreht sich  um 90 grad?
+    #Arrange
+    angle = math.pi/2
+    achse = "z"
+    expected = [
+        [math.cos(angle), -math.sin(angle), 0.0],
+        [math.sin(angle), math.cos(angle), 0.0],
+        [0.0, 0.0, 1.0],
+    ]
+
+    result = rot_3D(angle, achse)
+    assert result == expected