"Snake - copie" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#1694`	Panainte Rares (PanainteRares)	Snake 1.1	Miercuri, 14 feb 2018, 16:01
Contorleaza sarpele cu sagetile
//Made by Lazar Ionut Radu

var xCap,yCap,xSpeed,ySpeed,saveX,saveY;
var lenght;
var x = [227];
var y = [227];
var xFood,yFood;
function setup() {
	createCanvas(401, 401);
  	frameRate(8);
  
  	xCap = 200;
  	yCap = 200;
  	xSpeed = 25;
  	ySpeed = 0;
  	lenght = 2;
  	x[1] = 175;
  	y[1] = 200;
  	x[2] = 150;
  	y[2] = 200;
  	xFood = floor(random(0,15));
    yFood = floor(random(0,15));
    xFood = xFood * 25;
    yFood = yFood * 25;
}

function draw() {
	
  background(170);
  draw_grid();
  draw_snake();
  movement_snake();
  update_snake();
  spawn_food();
  eat_food();
  collision();
}

function draw_grid() {

	for ( var i=0 ; i<=375 ; i+=25 )
      for ( var j=0 ; j<=375 ; j+=25 )
      { 
        noFill();
        strokeWeight(1);
      	rect(i,j,25,25);
      }
}

function draw_snake() {

	fill(80);
  	rect(xCap,yCap,25,25);
  	
  	fill(100);
  	for(var i=1 ; i<=lenght ; i++)
    {
      rect(x[i],y[i],25,25);
    }
}

function update_snake() {
	
   saveX = xCap;
   saveY = yCap;
  
   xCap += xSpeed ;
   yCap += ySpeed ;
   
  if( xCap >= 400 )
    xCap = 0;
  if( xCap < 0 )
    xCap = 400;
  if( yCap >= 400 )
    yCap = 0;
  if( yCap < 0 )
    yCap = 400;
  
 	for(var i=lenght ; i>1 ; i-- )
    {
    	x[i]=x[i-1];
      	y[i]=y[i-1];
    }
 
  x[1]=saveX;
  y[1]=saveY;
}

function movement_snake() {

  if ( keyIsDown(UP_ARROW) && ySpeed != 25)
  {
   	 xSpeed = 0;
     ySpeed = -25;
  }
  if ( keyIsDown(DOWN_ARROW) && ySpeed != -25)
  {
  	xSpeed = 0;
    ySpeed = 25;
  }
  if ( keyIsDown(LEFT_ARROW) && xSpeed != 25)
  {
  	xSpeed = -25;
    ySpeed = 0;
  }
  if ( keyIsDown(RIGHT_ARROW) && xSpeed !=-25 )
  {
  	xSpeed = 25;
    ySpeed = 0;
  }
}

function spawn_food() {

	fill(196, 116, 96);
  	rect(xFood,yFood,25,25);
}

function eat_food() {

	if( xCap == xFood && yCap == yFood )
    {
    	xFood = floor(random(0,15));
      	yFood = floor(random(0,15));
      	xFood = xFood * 25;
      	yFood = yFood * 25;
      	
      	lenght++;
      	x[lenght] = 2*x[lenght-1]-x[lenght-2];
      	y[lenght] = 2*y[lenght-1]-y[lenght-2];
      	
    }
}

function collision() {

	for ( var i=1 ; i<=lenght ; i++ )
    {
    	if (xCap == x[i] && yCap == y[i] )
        {
       	 	xCap = 200;
  			yCap = 200;
  			xSpeed = 25;
  			ySpeed = 0;
  			lenght = 2;
  			x[1] = 175;
  			y[1] = 200;
  			x[2] = 150;
  			y[2] = 200;
  			xFood = floor(random(0,15));
    		yFood = floor(random(0,15));
    		xFood = xFood * 25;
    		yFood = yFood * 25;
        }
    }      
}