"MINECRAFT 3D REAL" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#6223`	6B - Dumitrache Nicolae (Nicky_Dumitrache)	-	Vineri, 20 sep 2024, 21:39
// Camera:
let rotX = 0;
let rotZ = 0;

let camX = -10; //absolute
let camY = -10;
let camZ = -10;

let camCenterX = 10; //relative
let camCenterY = 0;
let camCenterZ = 0;

let camUpX = 0; // relative
let camUpY = 0;
let camUpZ = 1;

const camPosChange = 1;
const camRotChange = 2;

// Minecraft:
const worldHeight = 5;
const worldLength = 5;
const worldWidth = 5;

const cubeSize = 10;

let world = new Array(worldHeight);


let keysPressed;

function setup() {
	createCanvas(windowWidth - 20, windowHeight - 20, WEBGL);



	for (let hgt = 0; hgt < worldHeight; hgt++) {

		world[hgt] = new Array(worldLength);
		for (let len = 0; len < worldLength; len++) {

			world[hgt][len] = new Array(worldWidth);
			for (let wdt = 0; wdt < worldWidth; wdt++) {
				/*
				let distToCenter = sqrt(sq(hgt - int(worldHeight / 2)) + sq(len - int(worldLength / 2)) + sq(wdt - int(worldWidth / 2)));
				if (distToCenter <= worldHeight / 2 && distToCenter >= worldHeight / 2 - 2) {
					world[hgt][len][wdt] = true;
				} else {
				
					world[hgt][len][wdt] = false;
				}
				*/
				
				if (random() < 0.5) {
					world[hgt][len][wdt] = true;
				} else {
					world[hgt][len][wdt] = false;
				}
			}
		}
	}
}


function draw() {

	resizeCanvas(windowWidth - 20, windowHeight - 20);

	background(0x55, 0xCC, 0xFF);
	resetMatrix();
	
	ambientLight(255);
	pointLight(100, 100, 100, 100, 100, -1000);
	specularMaterial(200, 200, 200);
	shininess(1);
	
	perspective(1, width / height, 0.01, 10000);

	if (keyIsPressed) {

		if (keysPressed.w == true) {
			camX += camPosChange * cos(rotZ);
			camY += camPosChange * sin(rotZ);

		} else if (keysPressed.s == true) {
			camX -= camPosChange * cos(rotZ);
			camY -= camPosChange * sin(rotZ);
		}
		if (keysPressed.a == true) {
			camX -= camPosChange * camCenterY;
			camY += camPosChange * camCenterX;

		} else if (keysPressed.d == true) {
			camX += camPosChange * camCenterY;
			camY -= camPosChange * camCenterX;
		}
		if (keysPressed.q == true) {
			camZ -= camPosChange;

		} else if (keysPressed.e == true) {
			camZ += camPosChange;
		}

	}


	rotZ = map(mouseX, 0, width - 1, PI, -PI) * camRotChange;
	rotX = map(mouseY, 0, height - 1, -HALF_PI, HALF_PI) * camRotChange;

	if (rotX >= HALF_PI) {
		rotX = HALF_PI - 0.0001;
	}

	if (rotX <= -HALF_PI) {
		rotX = -HALF_PI + 0.0001;
	}



	camCenterX = cos(rotZ) * cos(rotX);
	camCenterY = sin(rotZ) * cos(rotX);
	camCenterZ = sin(rotX);


	camera(camX, camY, camZ, camX + camCenterX, camY + camCenterY, camZ + camCenterZ, camUpX, camUpY, camUpZ);



	//   begin drawing  ***************************************


	strokeWeight(2);
	stroke(0);
	fill(0xEE);
	

	for (let hgt = 0; hgt < worldHeight; hgt++) {
		for (let len = 0; len < worldLength; len++) {
			for (let wdt = 0; wdt < worldWidth; wdt++) {

				if (world[hgt][len][wdt] == true) {
					beginShape(QUADS);
					if (wdt == 0 || world[hgt][len][wdt - 1] == false) {
						//fill(0xE8);	
						beginShape();
						vertex((wdt) * cubeSize, (len) * cubeSize, (hgt) * cubeSize);
						vertex((wdt) * cubeSize, (len) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt) * cubeSize, (len + 1) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt) * cubeSize, (len + 1) * cubeSize, (hgt) * cubeSize);
						endShape(CLOSE);
					}

					if (len == 0 || world[hgt][len - 1][wdt] == false) {
						//fill(0xEC);	
						beginShape();
						vertex((wdt) * cubeSize, (len) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt) * cubeSize, (len) * cubeSize, (hgt + 1) * cubeSize);
						endShape(CLOSE);
					}

					if (hgt == 0 || world[hgt - 1][len][wdt] == false) {
						//fill(0xF0);	
						beginShape();
						vertex((wdt) * cubeSize, (len + 1) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len + 1) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len) * cubeSize, (hgt) * cubeSize);
						vertex((wdt) * cubeSize, (len) * cubeSize, (hgt) * cubeSize);
						endShape(CLOSE);
					}
					
					

					if (wdt == worldWidth - 1 || world[hgt][len][wdt + 1] == false) {
						//fill(0xD8);	
						beginShape();
						vertex((wdt + 1) * cubeSize, (len) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len + 1) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len + 1) * cubeSize, (hgt) * cubeSize);
						endShape(CLOSE);
					}

					if (len == worldLength - 1 || world[hgt][len + 1][wdt] == false) {
						//fill(0xDC);	
						beginShape();
						vertex((wdt) * cubeSize, (len + 1) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len + 1) * cubeSize, (hgt) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len + 1) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt) * cubeSize, (len + 1) * cubeSize, (hgt + 1) * cubeSize);
						endShape(CLOSE);
					}

					if (hgt == worldHeight - 1 || world[hgt + 1][len][wdt] == false) {
						//fill(0xE0);	
						beginShape();
						vertex((wdt) * cubeSize, (len + 1) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len + 1) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt + 1) * cubeSize, (len) * cubeSize, (hgt + 1) * cubeSize);
						vertex((wdt) * cubeSize, (len) * cubeSize, (hgt + 1) * cubeSize);
						endShape(CLOSE);
					}
				}
			}
		}
	}


}


class KeysPressed {
	constructor() {
		this.w = false;
		this.s = false;
		this.a = false;
		this.d = false;
		this.q = false;
		this.e = false;
	}

	pressKey(k) {
		switch (k) {
			case 'w':
				this.w = true;
				break;
			case 's':
				this.s = true;
				break;
			case 'a':
				this.a = true;
				break;
			case 'd':
				this.d = true;
				break;
			case 'q':
				this.q = true;
				break;
			case 'e':
				this.e = true;
				break;
		}
	}

	releaseKey(k) {
		switch (k) {
			case 'w':
				this.w = false;
				break;
			case 's':
				this.s = false;
				break;
			case 'a':
				this.a = false;
				break;
			case 'd':
				this.d = false;
				break;
			case 'q':
				this.q = false;
				break;
			case 'e':
				this.e = false;
				break;
		}
	}

}

keysPressed = new KeysPressed();


function keyPressed() {
	keysPressed.pressKey(key);
	return false;
}

function keyReleased() {
	keysPressed.releaseKey(key);
	return false;
}



























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"MINECRAFT 3D REAL" - Processing
