Grundgerüst für 05_OO_a fertig

.gitignore

@@ -9,3 +9,4 @@ cmake-build-debug
 CMakeCache.txt
 cmake_install.cmake
 Makefile
+/C

05_OO/MP/shapes_main.cpp

@@ -1,5 +1,10 @@
+#include <utility>
+
+#include <utility>
+
 #include <iostream>
 #include <cmath>
+#include <vector>
 #include "../../helpers/AnsiConsole.h"
 
 struct Position {
@@ -12,35 +17,50 @@ struct Position {
     }
 };
 
-class Point {
+class Shape {
 protected:
-    Position _position;
+    Position position;
+    Colors color;
 public:
-    explicit Point(int x = 0, int y = 0);
-
-    void draw();
+    Shape(Position position, Colors color);
+    virtual ~Shape();
+    virtual void draw() = 0;
 };
 
-Point::Point(int x, int y) {
-    _position = Position(x, y);
+Shape::Shape(Position position, Colors color) {
+    this->position = position;
+    this->color = color;
+}
+
+Shape::~Shape() = default;
+
+
+class Point : public Shape{
+
+public:
+    explicit Point(int x, int y, Colors color);
+
+    void draw() override;
+};
+
+Point::Point(int x, int y, Colors color) : Shape(Position(x, y), color) {
+
 }
 
 void Point::draw() {
-    ansiConsole.printText(_position.x, _position.y, "*", Colors::RED);
+    ansiConsole.printText(position.x, position.y, "*", color);
 }
 
-class Circle {
+class Circle : public Shape{
 protected:
-    Position _position;
     int _radius;
 public:
-    explicit Circle(int x = 0, int y = 0, int radius = 0);
+    explicit Circle(int x = 0, int y = 0, int radius = 0, Colors color = Colors::GREEN);
 
-    void draw();
+    void draw() override;
 };
 
-Circle::Circle(int x, int y, int radius) {
-    _position = Position(x, y);
+Circle::Circle(int x, int y, int radius, Colors color) : Shape(Position(x, y), color) {
     _radius = radius;
 }
 
@@ -48,35 +68,33 @@ void Circle::draw() {
     /* see https://de.wikibooks.org/wiki/Formelsammlung_Mathematik:_Geometrie
      * Höhensatz des Euklid
      * */
-    int x_start = _position.x - _radius / 2;
-    int x_stop = _position.x + _radius / 2;
+    int x_start = position.x - _radius / 2;
+    int x_stop = position.x + _radius / 2;
 
     for (int i = x_start; i <= x_stop; i++) {
         double x_relative = double(i) - double(x_start);
         double h = sqrt(x_relative * (x_stop - x_start - x_relative));
-        ansiConsole.printText(_position.x + int(x_relative) - _radius / 2,
-                              static_cast<int>(_position.y + h), "#",
-                              Colors::GREEN);
-        ansiConsole.printText(_position.x + int(x_relative) - _radius / 2,
-                              static_cast<int>(_position.y - h), "#",
-                              Colors::GREEN);
+        ansiConsole.printText(position.x + int(x_relative) - _radius / 2,
+                              static_cast<int>(position.y + h), "#",
+                              color);
+        ansiConsole.printText(position.x + int(x_relative) - _radius / 2,
+                              static_cast<int>(position.y - h), "#",
+                              color);
 
     }
 }
 
-class Rectangle {
+class Rectangle : public Shape{
 protected:
-    Position position;
     int width;
     int height;
 
 public:
-    explicit Rectangle(int x = 0, int y = 0, int width = 0, int height = 0);
-    void draw();
+    explicit Rectangle(int x = 0, int y = 0, int width = 0, int height = 0, Colors color = Colors::WHITE);
+    void draw() override;
 };
 
-Rectangle::Rectangle(int x, int y, int width, int height) {
-    position = Position(x, y);
+Rectangle::Rectangle(int x, int y, int width, int height, Colors color) : Shape(Position(x, y), color) {
     this->width = width;
     this->height = height;
 }
@@ -89,42 +107,65 @@ void Rectangle::draw() {
     int y_stop = position.y + (height / 2);
 
     for(int i = x_start; i <= x_stop; i++) {
-        ansiConsole.printText(position.x, position.y - (height / 2), "#");
-        ansiConsole.printText(position.x, position.y + (height / 2), "#");
+        ansiConsole.printText(i, position.y - (height / 2), "#", color);
+        ansiConsole.printText(i, position.y + (height / 2), "#", color);
     }
     for(int i = y_start; i< y_stop; i++) {
-        ansiConsole.printText(position.x - (width / 2), position.y, "#");
-        ansiConsole.printText(position.x - (width / 2), position.y, "#");
+        ansiConsole.printText(position.x + (width / 2), i, "#", color);
+        ansiConsole.printText(position.x - (width / 2), i, "#", color);
     }
 }
 
+class Scene {
+private:
+    std::vector<Shape*> shapes;
+public:
+    explicit Scene(std::vector<Shape*> shapes);
+    void draw();
+    ~Scene();
+};
+
+Scene::Scene(std::vector<Shape*> shapes) : shapes(std::move(shapes)) {
+
+}
+
+void Scene::draw() {
+    ansiConsole.clearScreen();
+    for(Shape* shape : shapes) {
+        shape->draw();
+    }
+}
+
+Scene::~Scene() {
+    for(Shape* shape : shapes) {
+        delete shape;
+    }
+}
+
+
+
+
+
 int main(int argc, char **argv) {
-    // x=1 and y=1 is the upper left corner
-    // x and y are more like column and row
-    ansiConsole.printText(5, 5, "Hello, World!");
+    std::vector<Shape*> shapes;
 
-    auto *p = new Point(10, 10);
-    p->draw();
-
-    auto *p2 = new Point(2, 10);
-    p2->draw();
+    shapes.push_back(new Point(30, 10, Colors::RED));
+    shapes.push_back(new Point(28, 8, Colors::BLUE));
+    shapes.push_back(new Point(32, 8, Colors::BLUE));
 
 
-    auto *c = new Circle(30, 15, 10);
-    c->draw();
-
-    auto *p3 = new Point(30, 15);
-    p3->draw();
-
-    auto *r = new Rectangle(20, 20, 20, 20);
-    r->draw();
+    shapes.push_back(new Circle(30, 10, 10, Colors::WHITE));
+    shapes.push_back(new Circle(30, 20, 15, Colors::GREEN));
 
 
-    delete p;
-    delete p2;
-    delete p3;
-    delete c;
-    delete r;
+    shapes.push_back(new Rectangle(5, 21, 10, 10, Colors::MAGENTA));
+
+
+    auto *s = new Scene(shapes);
+    s->draw();
+
+    delete s;
+
 
     return 0;
 }

CMakeLists.txt

@@ -23,7 +23,6 @@ add_executable(04_UDEF_Testat 04_UDEF/Testat/Testat.cpp)
 
 add_executable(05_OO_MP 05_OO/MP/shapes_main.cpp helpers/AnsiConsole.cpp)
 add_executable(05_OO_Testat 05_OO/Testat/shapes_main.cpp helpers/AnsiConsole.cpp)
-add_executable(05_OO_Demo 05_OO/MP/AnsiConsoleDemo.cpp helpers/AnsiConsole.cpp)
 
 add_executable(06_POLY_MP 06_POLY/MP/main_mp5_POLY.cpp)
 #add_executable(06_POLY_Testat 06_POLY/Testat/main_mp5_POLY.cpp)