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using System;
using System.Diagnostics;
namespace GameEngine {
class Graphics {
/* This class is made for drawing frame by frame in the console.
* It is designed to be used from a while loop, where the draw-frame method is called at the end of the loop */
// IMPORTANT! You might have to change the console font size, depending on how many rows and columns you want to have!
public int Rows { get; } // This should not be editable
public int Columns { get; } // Neither should this
public int FrameNum; // How many frames have been drawn
private Char[,] _consoleBuffer; // This stores how the screen looked last frame
private Stopwatch _stopWatch; // This is used to calculate time between frames
public Graphics(int columns, int rows) {
Rows = rows;
Columns = columns;
_consoleBuffer = new Char[Columns, Rows];
Console.CursorVisible = false;
Console.WindowHeight = Columns;
Console.WindowWidth = Rows;
Console.SetBufferSize(rows, columns);
_stopWatch = Stopwatch.StartNew();
FrameNum = 0;
}
public void DrawFrame(Frame newFrame) {
/* Method that draws all changes from last frame to the screen */
FrameNum++;
for (int y = 0; y < _consoleBuffer.GetLength(0); y++) {
for (int x = 0; x < _consoleBuffer.GetLength(1); x++) {
if (newFrame.Buffer[y, x] != _consoleBuffer[y, x]) {
_consoleBuffer[y, x] = newFrame.Buffer[y, x];
Console.SetCursorPosition(x, y);
Console.Write(newFrame.Buffer[y, x]);
}
}
}
_stopWatch.Reset();
}
public long DeltaTime() {
/* Method that returns time since last frame */
return _stopWatch.ElapsedMilliseconds;
}
}
class Frame {
public char[,] Buffer;
}
}
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