Merge remote-tracking branch 'origin/main'

# Conflicts:
#	CMakeLists.txt

CMakeLists.txt

@@ -18,6 +18,7 @@ endif()
 set(SRC_FILES
         ${CMAKE_CURRENT_LIST_DIR}/src/main.cpp
         ${CMAKE_CURRENT_LIST_DIR}/src/gamecube.cpp
+        src/gamematrix.cpp
 )
 
 ##Tom: prev: ${CMAKE_CURRENT_LIST_DIR}/linux -> now /include
@@ -36,7 +37,7 @@ target_include_directories(${EXECUTABLE_NAME} PRIVATE
 )
 
 target_link_libraries(${EXECUTABLE_NAME} PRIVATE
-        ${CMAKE_CURRENT_LIST_DIR}/${OS_NAME}/libgamematrix.a
+ #      ${CMAKE_CURRENT_LIST_DIR}/${OS_NAME}/libgamematrix.a
         ${CMAKE_CURRENT_LIST_DIR}/${OS_NAME}/libraylib.a
 )
 if (WIN32)

docs/design.txt

@@ -0,0 +1,74 @@
+========================================================
+Projekt: gamematrix (C++ Library)
+Rolle: Architekt
+Datei: design.txt
+Datum: 03-November
+Team: Thomas&Co
+========================================================
+
+# ----------------------------
+# 1. Projektstruktur / Namespace
+# ----------------------------
+Namespace: Matrix3D
+
+Ziel: Saubere Trennung der Bibliothek, Vermeidung von Namenskonflikten.
+
+Beispiel:
+namespace Matrix3D {
+    // Funktionen, ggf Klasse(n)
+}
+
+# ----------------------------
+# 2. Datenstrukturen / Klassen
+# ----------------------------
+Listen Sie die Klassen oder Structs auf, die verwendet werden:
+
+| Name   | Typ                                      | Beschreibung |
+|--------|------------------------------------------|--------------|
+| Vec3   | struct Vec3                              | 3D-Vektor (x, y, z) |
+| Mat4   | std::array<std::array<double,4>,4>       | 4x4-Matrix (homogen) |
+| ______ | ________ | ___________________ |
+| ______ | ________ | ___________________ |
+
+# ----------------------------
+# 3. Operatoren / Templates
+# ----------------------------
+Welche Operatoren oder Templates sollen definiert werden?
+
+- Templates für unterschiedliche Datentypen? ☐ Ja ☐ Nein
+- Operatoren:
+    - Mat4 * Mat4
+    - Mat4 * Vec3
+
+# ----------------------------
+# 4. Funktionen / Schnittstellen
+# ----------------------------
+Liste der Funktionen mit Eingabe/Ausgabe und kurzer Beschreibung:
+
+| Funktion      | Eingabe                            | Ausgabe               | Kurzbeschreibung                       |
+|---------------|------------------------------------|-----------------------|----------------------------------------|
+| matmul        | Mat4 A, Mat4 B                     | Mat4                  | Matrixmultiplikation 4x4               |
+| translate     | Vec3 pos                           | Mat4                  | Verschiebungstransformation            |
+| rot3D         | double angle_deg, char axis        | Mat4                  | Rotation um Achse x/y/z                |
+| identity (optional)| ---                           | Mat4                  | Identitätsmatrix                       |
+| _____________ | __________________________________ | ____________________  | ______________________________         |
+
+# ----------------------------
+# 5. Designentscheidungen / Hinweise
+# ----------------------------
+- Rückgabe der Matrizen per Wert oder Referenz? ___________
+- Verwendung von std::array oder std::vector? ___________
+- Homogene Koordinaten für Translation / Rotation (4x4)? ☐ Ja ☐ Nein
+- Weitere Designüberlegungen: ___________________________
+
+# ----------------------------
+# 6. Deliverables / Milestones
+# ----------------------------
+- design.txt fertig und im Branch architect committed
+- Übergabe an Entwickler für Implementierung
+
+========================================================
+Hinweis:
+- Dieses Dokument dient als Grundlage für die Implementierung.
+- Alle Designentscheidungen sollen klar nachvollziehbar sein.
+========================================================

docs/tests.cpp

@@ -0,0 +1,137 @@
+//
+// Created by marco on 03.11.2025.
+// Changeb by marco on 16.11.2025
+
+#include <iostream>
+#include <cmath>
+#include "gamematrix.h"
+
+using namespace Matrix3D;
+
+bool nearlyEqual(double a, double b, double eps = 1e-6) {
+    return std::abs(a - b) < eps;
+}
+
+void test_matmul_identity() {
+    Mat4 A = identity();
+    Mat4 B = identity();
+    Mat4 R = matmul(A, B);
+
+    std::cout << "Test matmul: Identity * Identity -> Identity: ";
+
+    bool ok = true;
+    for(int i=0;i<4;i++){
+        for(int j=0;j<4;j++){
+            double expected = (i==j ? 1.0 : 0.0);
+            if(!nearlyEqual(R[i][j], expected)) ok = false;
+        }
+    }
+
+    std::cout << (ok ? "OK\n" : "FAIL\n");
+}
+
+void test_matmul_example() {
+    Mat4 A = {{
+        {{1, 2, 3, 4}},
+        {{0, 1, 2, 3}},
+        {{0, 0, 1, 2}},
+        {{0, 0, 0, 1}}
+    }};
+
+    Mat4 B = {{
+        {{1, 0, 0, 0}},
+        {{1, 1, 0, 0}},
+        {{1, 1, 1, 0}},
+        {{1, 1, 1, 1}}
+    }};
+
+    Mat4 R = matmul(A, B);
+
+    std::cout << "Test matmul: Beispielmatrizen A * B: ";
+
+    // Erwartete Matrix mit Handrechnung:
+    Mat4 Expected = {{
+        {{1+2+3+4,   2+3+4,   3+4,   4}},
+        {{0+1+2+3,   1+2+3,   2+3,   3}},
+        {{0+0+1+2,   0+1+2,   1+2,   2}},
+        {{1,         1,       1,     1}}
+    }};
+
+    bool ok = true;
+    for(int i=0;i<4;i++){
+        for(int j=0;j<4;j++){
+            if(!nearlyEqual(R[i][j], Expected[i][j])) ok = false;
+        }
+    }
+
+    std::cout << (ok ? "OK\n" : "FAIL\n");
+}
+
+void test_translate() {
+    Vec3 v{1,2,3};
+    Mat4 T = translate({5,-2,1});
+    Vec3 out = T * v;
+
+    std::cout << "Test translate (Vec3{1,2,3} + {5,-2,1}): ";
+
+    if(nearlyEqual(out.x, 6) && nearlyEqual(out.y, 0) && nearlyEqual(out.z, 4))
+        std::cout << "OK\n";
+    else
+        std::cout << "FAIL (" << out.x << "," << out.y << "," << out.z << ")\n";
+}
+
+void test_rotZ_90() {
+    Vec3 v{1,0,0};
+    Mat4 Rm = rot3D(90, 'z');
+    Vec3 out = Rm * v;
+
+    std::cout << "Test rot3D Z 90° (1,0,0 -> 0,1,0): ";
+
+    if(nearlyEqual(out.x, 0) && nearlyEqual(out.y, 1))
+        std::cout << "OK\n";
+    else
+        std::cout << "FAIL (" << out.x << "," << out.y << "," << out.z << ")\n";
+}
+
+void test_rotX_180() {
+    Vec3 v{0,1,0};
+    Mat4 Rm = rot3D(180, 'x');
+    Vec3 out = Rm * v;
+
+    std::cout << "Test rot3D X 180° (0,1,0 -> 0,-1,0): ";
+
+    if(nearlyEqual(out.y, -1))
+        std::cout << "OK\n";
+    else
+        std::cout << "FAIL (" << out.x << "," << out.y << "," << out.z << ")\n";
+}
+
+void test_rotY_270() {
+    Vec3 v{1,0,0};
+    Mat4 Rm = rot3D(270, 'y');
+    Vec3 out = Rm * v;
+
+    std::cout << "Test rot3D Y 270° (1,0,0 -> 0,0,-1): ";
+
+    if(nearlyEqual(out.x, 0) && nearlyEqual(out.z, -1))
+        std::cout << "OK\n";
+    else
+        std::cout << "FAIL (" << out.x << "," << out.y << "," << out.z << ")\n";
+}
+
+int main() {
+    std::cout << "===== Matrix3D Tests =====\n";
+
+    test_matmul_identity();
+    test_matmul_example();
+
+    test_translate();
+
+    test_rotZ_90();
+    test_rotX_180();
+    test_rotY_270();
+
+    std::cout << "==========================\n";
+    return 0;
+}
+

docs/tests.txt

@@ -0,0 +1,42 @@
+========================================================
+Projekt: gamematrix (C++ Library)
+Rolle: Tester
+Datei: tests.txt
+Datum: ____________________
+Team: ____________________
+========================================================
+
+# ----------------------------
+# 1. Testplan Übersicht
+# ----------------------------
+Ziel: Überprüfung der Funktionen matmul(), translate(), rot3D().
+
+| Funktion      | Testfall                  | Eingabe                      | Erwartetes Ergebnis               | Bemerkung                  |
+|---------------|---------------------------|------------------------------|-----------------------------------|----------------------------|
+| matmul        | Identity * Identity       | 4x4 Identity Matrizen        | Identity                          | Basisfall                  |
+| matmul        | Beispielmatrizen          | A=[[...]], B=[[...]]         | C=[[...]]                         | Prüfen mit Handrechnung    |
+| translate     | Verschiebung              | Vec3 {1,2,3}                 | Matrix mit Translation 1,2,3      | Prüfen letzte Spalte       |
+| rot3D         | Rotation Z 90°            | angle_deg=90, axis='z'       | (1,0,0) -> (0,1,0)                | Prüfen Anwendung auf Vektor|
+| rot3D         | Rotation X 180°           | angle_deg=180, axis='x'      | (0,1,0) -> (0,-1,0)               | Prüfen Anwendung auf Vektor|
+| rot3D         | Rotation Y 270°           | angle_deg=270, axis='y'      | (1,0,0) -> (0,0,-1)               | Prüfen Anwendung auf Vektor|
+
+
+# ----------------------------
+# 2. Testdaten / Matrizen
+# ----------------------------
+- Matrizen für matmul: Identity, Beispiel A/B Matrizen
+- Vektoren für translate: Vec3 {x, y, z}
+- Vektoren für rot3D: Vec3 {1,0,0}, Vec3 {0,1,0}
+
+# ----------------------------
+# 3. Abnahmekriterien
+# ----------------------------
+- Alle Unit-Tests erfolgreich
+- Keine Exceptions außer gewollt (z. B. ungültige Achse)
+- Testbericht in tests.txt dokumentiert
+
+========================================================
+Hinweis:
+- Diese Datei wird vom Tester gepflegt.
+- Tester dokumentiert Input, Output, erwartetes Ergebnis und Erfolg/Fehler.
+========================================================

includes/gamecube.h

@@ -2,6 +2,9 @@
 #include "gamematrix.h"
 #include "raylib.h"
 #include <rlgl.h>
+#include <array>
+
+using Mat4 = std::array<std::array<double, 4>, 4>;
 
 struct Vec3
 {

includes/gamematrix.h

@@ -3,6 +3,7 @@
 #include <array>
 #include <stdexcept>
 #include <cmath>
+#include "gamecube.h"
 
 class gameMatrix
 {

src/gamecube.cpp

@@ -1,70 +1,70 @@
-#include "gamecube.h"
+    #include "gamecube.h"
 
-gamecube::gamecube(const Vec3 &pos, Color col)
+    gamecube::gamecube(const Vec3 &pos, Color col)
-    : position(pos), color(col) {}
+        : position(pos), color(col) {}
 
-void gamecube::Update(float flipSpeed)
+    void gamecube::Update(float flipSpeed)
-{
-    //Tom: Added vars for clarity; replaced old 180.0f, 0.0f
-    const float MaxRotationAngle = 180.0f;
-    const float NoRotationAngle = 0.0f;
-
-    if (flippingForward)
     {
-        rotation += flipSpeed;
+        //Tom: Added vars for clarity; replaced old 180.0f, 0.0f
-        if (rotation >= MaxRotationAngle)
+        const float MaxRotationAngle = 180.0f;
+        const float NoRotationAngle = 0.0f;
+
+        if (flippingForward)
         {
-            rotation = MaxRotationAngle;
+            rotation += flipSpeed;
-            flippingForward = false;
+            if (rotation >= MaxRotationAngle)
-            flipped = true;
+            {
+                rotation = MaxRotationAngle;
+                flippingForward = false;
+                flipped = true;
+            }
+        }
+        else if (flippingBackward)
+        {
+            rotation -= flipSpeed;
+            if (rotation <= NoRotationAngle)
+            {
+                rotation = NoRotationAngle;
+                flippingBackward = false;
+                flipped = false;
+            }
         }
     }
-    else if (flippingBackward)
+
+    void gamecube::FlipForward()   { flippingForward = true; }
+    void gamecube::FlipBackward()  { flippingBackward = true; }
+
+    bool gamecube::IsFlipped() const { return flipped; }
+    bool gamecube::IsMatched() const { return matched; }
+    void gamecube::SetMatched(bool m) { matched = m; }
+
+    void gamecube::Draw() const
     {
-        rotation -= flipSpeed;
+        rlPushMatrix();
-        if (rotation <= NoRotationAngle)
+
-        {
+        // Matrizen für Rotation und Translation erzeugen
-            rotation = NoRotationAngle;
+        auto matrix_a = gameMatrix::translate({ position.x, position.y, position.z});
-            flippingBackward = false;
+        auto matrix_b = gameMatrix::rot3D(rotation, 'y');
-            flipped = false;
+
-        }
+        // Matrizen multiplizieren (Translation * Rotation)
+        auto model = gameMatrix::matmul(matrix_a, matrix_b);
+
+        // transform for raylib matrix
+        float f[16];
+        for (int i = 0; i < 4; i++)
+            for (int j = 0; j < 4; j++)
+                f[j * 4 + i] = model[i][j];
+        rlMultMatrixf(f);
+
+        if (rotation < 90.0f)
+            DrawCube({0,0,0}, 1,1,1, GRAY);
+        else
+            DrawCube({0,0,0}, 1,1,1, color);
+
+        DrawCubeWires({0,0,0}, 1,1,1, BLACK);
+
+        rlPopMatrix();
     }
-}
 
-void gamecube::FlipForward()   { flippingForward = true; }
+    Vec3 gamecube::GetPosition() const     { return position; }
-void gamecube::FlipBackward()  { flippingBackward = true; }
+    float gamecube::GetRotationY() const   { return rotation; }
-
-bool gamecube::IsFlipped() const { return flipped; }
-bool gamecube::IsMatched() const { return matched; }
-void gamecube::SetMatched(bool m) { matched = m; }
-
-void gamecube::Draw() const
-{
-    rlPushMatrix();
-
-    // Matrizen für Rotation und Translation erzeugen
-    auto matrix_a = gameMatrix::translate({ position.x, position.y, position.z});
-    auto matrix_b = gameMatrix::rot3D(rotation, 'y');
-
-    // Matrizen multiplizieren (Translation * Rotation)
-    auto model = gameMatrix::matmul(matrix_a, matrix_b);
-
-    // transform for raylib matrix
-    float f[16];
-    for (int i = 0; i < 4; i++)
-        for (int j = 0; j < 4; j++)
-            f[j * 4 + i] = model[i][j];
-    rlMultMatrixf(f);
-
-    if (rotation < 90.0f)
-        DrawCube({0,0,0}, 1,1,1, GRAY);
-    else
-        DrawCube({0,0,0}, 1,1,1, color);
-
-    DrawCubeWires({0,0,0}, 1,1,1, BLACK);
-
-    rlPopMatrix();
-}
-
-Vec3 gamecube::GetPosition() const     { return position; }
-float gamecube::GetRotationY() const   { return rotation; }

src/gamematrix.cpp

@@ -0,0 +1,75 @@
+#include "gamematrix.h"
+#include <cmath>
+
+// Entfernt: namespace Matrix3D { ... }   <-- GEÄNDERT
+
+// Implementierungen jetzt als Klassenmethoden von gameMatrix   <-- GEÄNDERT
+
+// Optional: identity() als Hilfsmethode hinzugefügt
+static std::array<std::array<double,4>,4> identity() {   // <-- NEU
+    std::array<std::array<double,4>,4> m{};
+    for(int i = 0; i < 4; i++) {
+        for(int j = 0; j < 4; j++) {
+            m[i][j] = (i == j) ? 1.0 : 0.0;
+        }
+    }
+    return m;
+}
+
+// -------------------- matmul --------------------
+std::array<std::array<double,4>,4> gameMatrix::matmul(    // <-- GEÄNDERT
+    const std::array<std::array<double,4>,4>& A,
+    const std::array<std::array<double,4>,4>& B)
+{
+    std::array<std::array<double,4>,4> R{};
+    for(int i = 0; i < 4; i++) {
+        for(int j = 0; j < 4; j++) {
+            double sum = 0.0;
+            for(int k = 0; k < 4; k++) {
+                sum += A[i][k] * B[k][j];
+            }
+            R[i][j] = sum;
+        }
+    }
+    return R;
+}
+
+// -------------------- translate --------------------
+std::array<std::array<double,4>,4> gameMatrix::translate( // <-- GEÄNDERT
+    const std::array<double,3>& pos)
+{
+    auto t = identity();   // <-- NEU: nutzt die Hilfsmethode
+    t[0][3] = pos[0];
+    t[1][3] = pos[1];
+    t[2][3] = pos[2];
+    return t;
+}
+
+// -------------------- rot3D --------------------
+std::array<std::array<double,4>,4> gameMatrix::rot3D(     // <-- GEÄNDERT
+    double angle_deg, char axis)
+{
+    auto r = identity();   // <-- NEU: nutzt die Hilfsmethode
+
+    double rad = angle_deg * M_PI / 180.0;
+    double c = std::cos(rad);
+    double s = std::sin(rad);
+
+    switch(axis) {
+        case 'x': case 'X':
+            r[1][1] = c;  r[1][2] = -s;
+            r[2][1] = s;  r[2][2] =  c;
+            break;
+
+        case 'y': case 'Y':
+            r[0][0] =  c; r[0][2] = s;
+            r[2][0] = -s; r[2][2] = c;
+            break;
+
+        case 'z': case 'Z':
+            r[0][0] = c;  r[0][1] = -s;
+            r[1][0] = s;  r[1][1] =  c;
+            break;
+    }
+    return r;
+}

src/main.cpp

@@ -1,4 +1,5 @@
 #include "gamecube.h"
+#include "gamematrix.h"
 #include <algorithm>
 #include <ctime>