"Minecraft 3D" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#6180`	6B - Dumitrache Nicolae (Nicky_Dumitrache)	-	Joi, 15 aug 2024, 23:08
let bs = 20;      // Block size.
let bh = 8*bs;    // Block height.
let freq = bs*32;  // Perlin frequency.
let amp = bs*3;    // Perlin amplitude.
let grass;       // Grass texture.
let soil;        
let mc = true;   // Minecraft look?
let pos = 0;     // Position in Perlin terrain.

let rows = 24;  // How many blocks?
let cols = 24;

function preload(){
  // soil = loadImage('soil.jpg');
  // grass = loadImage('grass.png');
}

function setup() {
  createCanvas(600, 400, WEBGL);
  
  angleMode(DEGREES);
  
  strokeWeight(1);
  noiseSeed(99);
  
  // Offset in Perlin terrain, to avoid
  // mirroring of terrain features.
  adjust = floor(bs*999);
  
  // Centre mouse.
  mouseX = 0;
  mouseY = width*0.5;
  
  // Determine number of blocks across
  // by width of display.
  cols = (width*2)/bs;
  // Or not!
  cols = rows;
  
  genTerrain();
}

// Toggle 'minecraft' look.
function mousePressed(){
  mc = !mc;
  genTerrain();
}

function draw(){
  genTerrain();
}


function genTerrain(){
  
  background(0,64,255);
  
  push();
  
  // Lighting.
  let locX = mouseX - width * 0.5;
  pointLight(255, 255, 0, locX, -1000, 2000);
  
  // Positioning of camera.
  translate(0,height*1.6,-700);
  rotateX(-45);
  // Steer left and right.
  rot = map(mouseX, 0, width, 22, -22);
  rotateY(rot);
  
  // Move through Perlin terrain.
  // Note how speed here ('bs*3') is
  // derived from block size (bs).
  pos += bs*3;
  
  // Our grid of blocks.
  for (let z = -rows; z < 0; z++){
    for (let x = -cols*0.5; x < cols*0.5; x++){
    push();
      
    // Perlin noise to derive y-pos
    // of each block.
    let y = noise((adjust+x*bs)/freq,
                  (adjust+z*bs-pos)/freq)*amp;
      
    // If 'minecraft' mode of appearance,
    // round down y pos to a whole number,
    // and draw black block outlines.
    if (mc) {
      y = floor(y);
      stroke(0);
    } else {
      noStroke();
    }
      
    // Translate to block pos.
    translate(x*bs,
              floor(-y*bs),
              floor(z*bs));
    //texture(soil);
    specularMaterial(200,200,32);
    shininess(1);
    box(bs,bh,bs);
      
    // Now translate to just above block
    // to draw another, flat block to
    // serve as grass.
    translate(0,-bh*0.5,0);
    //texture(grass);
    specularMaterial(0,255,0);
    // White 'snow' if at particular height.
    if (y > 32)emissiveMaterial(255);
    shininess(100);
    box(bs,bs*0.1,bs);  
      
    pop();
    }
  } 
  pop();

}
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"Minecraft 3D" - Processing
