Draw basic board and setup classes

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

Block.h

@@ -0,0 +1,11 @@
+#ifndef BLOCK_H
+#define BLOCK_H
+#include "pixelGameEngine.h"
+
+class Block{
+    public:
+    vf2d pos;
+    Block(vf2d pos)
+    :pos(pos){}
+};
+#endif

Board.cpp

@@ -0,0 +1,9 @@
+#include "Board.h"
+#include "Meteos.h"
+
+extern Meteos*game;
+
+Board::Board(vi2d boardSize,float gravity)
+:boardSize(boardSize),gravity(gravity){
+    drawOffset={(float)game->ScreenWidth()/2-boardSize.x/2*12,(float)game->ScreenHeight()/2-boardSize.y/2*12};
+}

Board.h

@@ -0,0 +1,13 @@
+#ifndef BOARD_H
+#define BOARD_H
+#include "pixelGameEngine.h"
+
+class Board{
+    public:
+    vf2d drawOffset;
+    vi2d boardSize;
+    float gravity;
+    Board(){}
+    Board(vi2d boardSize,float gravity);
+};
+#endif

Meteos.h

@@ -0,0 +1,21 @@
+#ifndef METEOS_H
+#define METEOS_H
+#include "pixelGameEngine.h"
+#include "Block.h"
+#include "Board.h"
+#include <random>
+
+class Meteos : public olc::PixelGameEngine{
+    public:
+    Meteos(){
+        sAppName="Meteos";
+    }
+    std::vector<Block> blocks;
+    float lastBlockSpawn=0.0f;
+    std::uniform_int_distribution<> randBlockPos;
+    std::mt19937 gen;
+    Board gameBoard;
+    bool OnUserCreate()override;
+    bool OnUserUpdate(float fElapsedTime)override;
+};
+#endif

main.cpp

@@ -1,31 +1,49 @@
 #define OLC_PGE_APPLICATION
 #include "pixelGameEngine.h"
+#include "Meteos.h"
+#include <random>
 
-class Meteos : public olc::PixelGameEngine
+Meteos*game;
+
+bool Meteos::OnUserCreate()
 {
-	public:
-	Meteos()
-	{
-		sAppName = "Meteos";
-	}
+	game=this;
 
-	bool OnUserCreate() override
-	{
-        
-		return true;
-	}
+	std::random_device rd;  //Will be used to obtain a seed for the random number engine
+    gen=std::mt19937(rd()); //Standard mersenne_twister_engine seeded with rd()
+    randBlockPos=std::uniform_int_distribution<>(0, 9);
+
+	gameBoard=Board({10,14},0.1f);
+	return true;
+}
 
-	bool OnUserUpdate(float fElapsedTime) override
-	{
-		
-		return true;
+bool Meteos::OnUserUpdate(float fElapsedTime)
+{
+	lastBlockSpawn+=fElapsedTime;
+	if (lastBlockSpawn>=5.0f){
+		lastBlockSpawn-=5.0f;
+		blocks.push_back(Block({(float)randBlockPos(gen)*12,0}));
+	}
+	Clear(Pixel(32,32,255));
+	for (int x=-1;x<=gameBoard.boardSize.x;x++) {
+		for (int y=0;y<=gameBoard.boardSize.y;y++) {
+			if (x==-1||x==10||y==14) {
+				FillRectDecal({(float)(gameBoard.drawOffset.x+x*12),(float)(gameBoard.drawOffset.y+y*12)},{12,12},Pixel(0,0,0,255));
+			} else {
+				DrawRectDecal({(float)(gameBoard.drawOffset.x+x*12),(float)(gameBoard.drawOffset.y+y*12)},{12,12},Pixel(255,255,255,64));
+			}
+		}
+	}
+	for (Block&b:blocks) {
+		FillRectDecal(b.pos+gameBoard.drawOffset,{12,12},GREEN);
 	}
-};
+	return true;
+}
 
 int main()
 {
-	Meteos game;
-	if (game.Construct(256, 240, 4, 4))
-		game.Start();
+	Meteos instance;
+	if (instance.Construct(256, 240, 4, 4))
+		instance.Start();
 	return 0;
 }

pixelGameEngine.h

@@ -6243,3 +6243,5 @@ namespace olc
 // | END OF OLC_PGE_APPLICATION                                                   |
 // O------------------------------------------------------------------------------O
 
+
+using namespace olc;