131 lines
2.9 KiB
C++
131 lines
2.9 KiB
C++
#include <iostream>
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#include <cmath>
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#include "../../helpers/AnsiConsole.h"
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struct Position {
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int x;
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int y;
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Position(int x_ = 0, int y_ = 0) {
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x = x_;
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y = y_;
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}
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};
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class Point {
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protected:
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Position _position;
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public:
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Point(int x = 0, int y = 0);
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void draw();
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};
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Point::Point(int x, int y) {
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_position = Position(x, y);
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}
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void Point::draw() {
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ansiConsole.printText(_position.x, _position.y, "*", Colors::RED);
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}
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class Circle {
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protected:
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Position _position;
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int _radius;
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public:
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Circle(int x = 0, int y = 0, int radius = 0);
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void draw();
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};
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Circle::Circle(int x, int y, int radius) {
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_position = Position(x, y);
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_radius = radius;
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}
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void Circle::draw() {
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/* see https://de.wikibooks.org/wiki/Formelsammlung_Mathematik:_Geometrie
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* Höhensatz des Euklid
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* */
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int x_start = _position.x - _radius / 2;
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int x_stop = _position.x + _radius / 2;
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for (int i = x_start; i <= x_stop; i++) {
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double x_relative = double(i) - double(x_start);
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double h = sqrt(x_relative * (x_stop - x_start - x_relative));
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ansiConsole.printText(_position.x + int(x_relative) - _radius / 2,
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_position.y + h, "#",
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Colors::GREEN);
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ansiConsole.printText(_position.x + int(x_relative) - _radius / 2,
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_position.y - h, "#",
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Colors::GREEN);
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}
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}
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class Rectangle {
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protected:
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Position position;
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int width;
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int height;
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public:
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Rectangle(int x = 0, int y = 0, int width = 0, int height = 0);
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void draw();
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};
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Rectangle::Rectangle(int x, int y, int width, int height) {
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position = Position(x, y);
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this->width = width;
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this->height = height;
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}
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void Rectangle::draw() {
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int x_start = position.x - (width / 2);
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int x_stop = position.x + (width / 2);
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int y_start = position.y - (height / 2);
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int y_stop = position.y + (height / 2);
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for(int i = x_start; i <= x_stop; i++) {
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ansiConsole.printText(position.x, position.y - (height / 2), "#");
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ansiConsole.printText(position.x, position.y + (height / 2), "#");
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}
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for(int i = y_start; i< y_stop; i++) {
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ansiConsole.printText(position.x - (width / 2), position.y, "#");
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ansiConsole.printText(position.x - (width / 2), position.y, "#");
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}
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}
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int main(int argc, char **argv) {
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// x=1 and y=1 is the upper left corner
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// x and y are more like column and row
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ansiConsole.printText(5, 5, "Hello, World!");
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Point *p = new Point(10, 10);
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p->draw();
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Point *p2 = new Point(2, 10);
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p2->draw();
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Circle *c = new Circle(30, 15, 10);
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c->draw();
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Point *p3 = new Point(30, 15);
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p3->draw();
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Rectangle *r = new Rectangle(20, 20, 20, 20);
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r->draw();
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delete p;
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delete p2;
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delete p3;
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delete c;
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delete r;
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return 0;
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}
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