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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Flock standalone example</title>
<style>
body {
font-family: "Asap", Helvetica, Arial, Lucida, sans-serif !important;
}
</style>
</head>
<body>
<canvas id="renderCanvas" touch-action="none" style="width: 640px; height: 360px;" tabindex="0"></canvas>
</div>
<script id="flock" type="application/flock">
// Made with Flock XR
let i = 'i'; let j = 'j'; let value = 'value'; let x = 'x'; let list = 'list'; let y = 'y'; let size = 'size'; let height = 'height'; let prev = 'prev'; let target = 'target'; let jumping = 'jumping'; let player = 'player'; let camera = 'camera'; let q = 'q'; let temp = 'temp'; let total = 'total'; let boxes = 'boxes'; let box2 = 'box2'; let grid = 'grid'; let result = 'result'; let longest = 'longest'; let dfsTotal = 'dfsTotal'; let k = 'k'; let a = 'a'; let box4 = 'box4'; let object3 = 'object3'; let p = 'p'; let b = 'b'; let box7 = 'box7'; let visited = 'visited'; let toVisit = 'toVisit'; let box8 = 'box8'; let path = 'path'; let box1 = 'box1'; let visiting = 'visiting'; let sizeG = 'sizeG'; let offsets = 'offsets'; let adjacent = 'adjacent'; let m = 'm'; let xG = 'xG'; let bfsTotal = 'bfsTotal'; let yG = 'yG'; let previous = 'previous'; let allPaths = 'allPaths'; let o = 'o'; let object2 = 'object2'; let _ = '_'; let r = 'r'; let s = 's';
async function dfs(i, j, target, prev) {
dfsTotal = (typeof dfsTotal === 'number' ? dfsTotal : 0) + 1;
object3 = createObject({
modelName: 'Gem1.glb',
modelId: 'object3__Iob3lmbXJk.r9,h`e!zA',
color: "#00cccc",
scale: 0.75,
position: { x: (i * sizeG + 0.25), y: 2, z: (j * sizeG + 0.25) }
});
await wait(0.5);
if (i == target[0] && j == target.slice(-1)[0]) {
return true;
}
var offsets_list = [[-1, 0], [0, -1], [1, 0], [0, 1]];
for (var offsets_index in offsets_list) {
offsets = offsets_list[offsets_index];
a = offsets.shift();
b = offsets.shift();
p = i + a;
q = j + b;
if (p < 0 || p >= grid.length) {
continue;
}
if (q < 0 || q >= grid[p].length) {
continue;
}
if (await acccessGrid(p, q) != 0) {
continue;
}
if (prev[p][q] != 0) {
continue;
}
m = prev[p];
m[q] = [i, j];
prev[p] = m;
if (await dfs(p, q, target, prev)) {
return true;
}
await wait(0);
}
return false;
}
async function bfs(x, y, target) {
prev = [];
let i_timing = performance.now();
let i_counter = 0;
for (let i = 0; (1 > 0 ? i <= x - 1 : i >= x - 1); i += 1) {
q = [];
let j_timing = performance.now();
let j_counter = 0;
for (let j = 0; (1 > 0 ? j <= y - 1 : j >= y - 1); j += 1) {
q[j] = null;
j_counter++;
if (j_counter % 10 === 0 && performance.now() - j_timing > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
j_timing = performance.now();
}
}
prev[i] = q;
i_counter++;
if (i_counter % 10 === 0 && performance.now() - i_timing > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing = performance.now();
}
}
toVisit = [[0, 0]];
while (!!toVisit.length) {
visiting = toVisit.shift();
i = visiting.shift();
j = visiting.shift();
bfsTotal = (typeof bfsTotal === 'number' ? bfsTotal : 0) + 1;
object3 = createObject({
modelName: 'Gem1.glb',
modelId: 'object3__@mTIBnt-c1{_28J68A@$',
color: "#ff0000",
scale: 0.75,
position: { x: (i * sizeG - 0.25), y: 2, z: (j * sizeG - 0.25) }
});
await wait(0.5);
if (i == target[0] && j == target.slice(-1)[0]) {
return;
}
var offsets_list2 = [[-1, 0], [0, -1], [1, 0], [0, 1]];
for (var offsets_index2 in offsets_list2) {
offsets = offsets_list2[offsets_index2];
a = offsets.shift();
b = offsets.shift();
p = i + a;
q = j + b;
if (p < 0 || p >= grid.length) {
continue;
}
if (q < 0 || q >= grid[p].length) {
continue;
}
if (await acccessGrid(p, q) != 0) {
continue;
}
if (prev[p][q] != null) {
continue;
}
toVisit[toVisit.length] = [p, q];
m = prev[p];
m[q] = [i, j];
prev[p] = m;
await wait(0);
}
await wait(0);
}
}
async function pathToStart(prev, i, j) {
if (prev[i][j] == null) {
return [[i, j]];
}
result = await pathToStart(prev, prev[i][j][0], prev[i][j][1]);
result[result.length] = [[i, j]];
return result;
}
async function longestPath(prev) {
longest = [];
let i_timing2 = performance.now();
let i_counter2 = 0;
for (let i = 0; (1 > 0 ? i <= prev.length - 1 : i >= prev.length - 1); i += 1) {
let j_timing2 = performance.now();
let j_counter2 = 0;
for (let j = 0; (1 > 0 ? j <= prev[i].length - 1 : j >= prev[i].length - 1); j += 1) {
path = await pathToStart(prev, i, j);
if (path.length != 1) {
longest[longest.length] = path;
}
j_counter2++;
if (j_counter2 % 10 === 0 && performance.now() - j_timing2 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
j_timing2 = performance.now();
}
}
i_counter2++;
if (i_counter2 % 10 === 0 && performance.now() - i_timing2 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing2 = performance.now();
}
}
return longest;
}
async function initialBfs(x, y) {
prev = [];
let i_timing3 = performance.now();
let i_counter3 = 0;
for (let i = 0; (1 > 0 ? i <= x - 1 : i >= x - 1); i += 1) {
q = [];
let j_timing3 = performance.now();
let j_counter3 = 0;
for (let j = 0; (1 > 0 ? j <= y - 1 : j >= y - 1); j += 1) {
q[j] = null;
j_counter3++;
if (j_counter3 % 10 === 0 && performance.now() - j_timing3 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
j_timing3 = performance.now();
}
}
prev[i] = q;
i_counter3++;
if (i_counter3 % 10 === 0 && performance.now() - i_timing3 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing3 = performance.now();
}
}
visited = [];
toVisit = [[0, 0]];
while (!!toVisit.length) {
visiting = toVisit.shift();
visited[visited.length] = visiting;
i = visiting.shift();
j = visiting.shift();
var offsets_list3 = [[-1, 0], [0, -1], [1, 0], [0, 1]];
for (var offsets_index3 in offsets_list3) {
offsets = offsets_list3[offsets_index3];
a = offsets.shift();
b = offsets.shift();
p = i + a;
q = j + b;
if (p < 0 || p >= grid.length) {
continue;
}
if (q < 0 || q >= grid[p].length) {
continue;
}
if (await acccessGrid(p, q) != 0) {
continue;
}
if (prev[p][q] != null) {
continue;
}
toVisit[toVisit.length] = [p, q];
m = prev[p];
m[q] = [i, j];
prev[p] = m;
await wait(0);
}
await wait(0);
}
m = prev[0];
m[0] = null;
prev[0] = m;
return prev;
}
async function sort(x) {
let repeat_end = x.length;
for (let count = 0; count < repeat_end; count++) {
x = await pass(x);
await wait(0);
}
return x;
}
async function pass(list) {
let i_timing4 = performance.now();
let i_counter4 = 0;
for (let i = 0; (1 > 0 ? i <= list.length - 2 : i >= list.length - 2); i += 1) {
a = await acccessGrid(list[i][0], list[i][1]);
b = await acccessGrid(list[i + 1][0], list[i + 1][1]);
if (a > b) {
temp = list[i + 1];
list[i + 1] = list[i];
list[i] = temp;
}
i_counter4++;
if (i_counter4 % 10 === 0 && performance.now() - i_timing4 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing4 = performance.now();
}
}
return list;
}
async function sort2(x) {
let repeat_end2 = x.length;
for (let count2 = 0; count2 < repeat_end2; count2++) {
x = await pass2(x);
await wait(0);
}
return x;
}
async function pass2(list) {
let i_timing5 = performance.now();
let i_counter5 = 0;
for (let i = 0; (1 > 0 ? i <= list.length - 2 : i >= list.length - 2); i += 1) {
a = list[i].length;
b = list[i + 1].length;
if (a > b) {
temp = list[i + 1];
list[i + 1] = list[i];
list[i] = temp;
}
i_counter5++;
if (i_counter5 % 10 === 0 && performance.now() - i_timing5 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing5 = performance.now();
}
}
return list;
}
(async () => {
setSky("#6495ed");
createGround("#71bc78", "ground");
})();
forever(async function(){
if (jumping && (isTouchingSurface(player))) {
jumping = false;
broadcastEvent('landed');
}
if ((keyPressed(" ")) && !jumping) {
applyForce(player, { forceX: 0, forceY: 5, forceZ: 0 });
jumping = true;
broadcastEvent('jumped');
}
if (keyPressed("w")) {
moveForward(player, 5);
}
if (keyPressed("s")) {
moveForward(player, (-5));
}
if (keyPressed("a")) {
moveSideways(player, 5);
}
if (keyPressed("d")) {
moveSideways(player, (-5));
}
if (!jumping) {
if ((keyPressed("w")) || (keyPressed("s")) || (keyPressed("a")) || (keyPressed("d"))) {
await switchAnimation(player, { animationName: "Walk" });
} else {
await switchAnimation(player, { animationName: "Idle" });
}
i = i;
}
});
(async () => {
jumping = false;
printText('Hold left mouse button down to look around', 5, "#000080");
printText('W - forward; S backward; Space - Jump', 5, "#000080");
player = createCharacter({
modelName: 'Character1.glb',
modelId: 'player__8(Sk-M[i_wi%:Z#qL%WL',
scale: 0.75,
position: { x: 0, y: 0, z: 0 },
colors: {
hair: "#330000",
skin: "#a15c33",
eyes: "#000000",
sleeves: "#cc9933",
shorts: "#333399",
tshirt: "#cc9933"
}
});
await setPhysics(player, "DYNAMIC");
})();
onEvent('jumped', async function() {
await playAnimation(player, { animationName: "Jump" });
await switchAnimation(player, { animationName: "Jump_Idle" });
});
onEvent('landed', async function() {
await playAnimation(player, { animationName: "Jump_Land" });
});
(async () => {
camera = getCamera();
await positionAt(camera, { x: 7.5, y: 35, z: 7.5, useY: true });
await rotate(camera, { x: 90, y: 0, z: 0 });
printText('First, a maze will generate', 30, "#000080");
printText('Second, a breadth-first search will find a target', 30, "#000080");
printText('Third, a depth-first search will find the target', 30, "#000080");
sizeG = 2;
xG = 9;
yG = 9;
await makeMazeWithBoundary(xG, yG, sizeG, 5);
previous = await initialBfs(xG, yG);
allPaths = await longestPath(previous);
allPaths = await sort2(allPaths);
o = allPaths.slice((-(randomInteger(0, 5) + 1)))[0];
target = o.slice(-1)[0][0];
object2 = createObject({
modelName: 'Gem2.glb',
modelId: 'object2__=B?g@]~VeuQd5@+NYXwy',
color: "#ffd700",
scale: 0.75,
position: { x: (target[0] * sizeG), y: 2, z: (target.slice(-1)[0] * sizeG) }
});
bfsTotal = 0;
dfsTotal = 0;
await bfs(xG, yG, target);
previous = [];
let i_timing6 = performance.now();
let i_counter6 = 0;
for (let i = 0; (1 > 0 ? i <= xG - 1 : i >= xG - 1); i += 1) {
q = [];
let j_timing4 = performance.now();
let j_counter4 = 0;
for (let j = 0; (1 > 0 ? j <= yG - 1 : j >= yG - 1); j += 1) {
q[j] = 0;
j_counter4++;
if (j_counter4 % 10 === 0 && performance.now() - j_timing4 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
j_timing4 = performance.now();
}
}
previous[i] = q;
i_counter6++;
if (i_counter6 % 10 === 0 && performance.now() - i_timing6 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing6 = performance.now();
}
}
_ = await dfs(0, 0, target, previous);
r = UIText((['Breadth-First Search visited ',bfsTotal,' tiles.'].join('')), 100, 50, 24, "#000080", 0, r);
s = UIText((['Depth-First Search visited ',dfsTotal,' tiles.'].join('')), 100, 100, 24, "#000080", 0, s);
})();
async function makeMazeWithBoundary(x, y, size, height) {
box2 = createBox("box2__39h|*}iV[)aX2f(Dv!BR", { color: "#ff6600", width: ((x + 1) * size), height: height, depth: size, position: [(((x - 2) / 2) * size), 0, (size * -1)] });
box4 = createBox("box4__Zv=r?Djh3l;vhvhY6#Ir", { color: "#ffcc33", width: ((x + 1) * size), height: height, depth: size, position: [(((x - 0) / 2) * size), 0, (y * size)] });
box7 = createBox("box7__%N,Q|=Zk_ivu0Gw[59.=", { color: "#33cc00", width: size, height: height, depth: ((y + 1) * size), position: [(size * -1), 0, (((y - 0) / 2) * size)] });
box8 = createBox("box8__1ki,2!H;NJGi)?x.fbG~", { color: "#00cccc", width: size, height: height, depth: ((y + 1) * size), position: [(x * size), 0, (((y - 2) / 2) * size)] });
await makeMaze(x, y, size, height);
}
async function makeMaze(x, y, size, height) {
boxes = [];
let i_timing7 = performance.now();
let i_counter7 = 0;
for (let i = 0; (1 > 0 ? i <= x - 1 : i >= x - 1); i += 1) {
q = [];
let j_timing5 = performance.now();
let j_counter5 = 0;
for (let j = 0; (1 > 0 ? j <= y - 1 : j >= y - 1); j += 1) {
box1 = createBox("box1__4Uut6Zg:kVtT?erEQ)Z=", { color: randomColour(), width: size, height: height, depth: size, position: [(i * size), 0, (j * size)] });
q[j] = box1;
j_counter5++;
if (j_counter5 % 10 === 0 && performance.now() - j_timing5 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
j_timing5 = performance.now();
}
}
boxes[i] = q;
i_counter7++;
if (i_counter7 % 10 === 0 && performance.now() - i_timing7 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing7 = performance.now();
}
}
await generateMaze(x, y);
}
async function generateMaze(x, y) {
grid = [];
let i_timing8 = performance.now();
let i_counter8 = 0;
for (let i = 0; (1 > 0 ? i <= x - 1 : i >= x - 1); i += 1) {
q = [];
let j_timing6 = performance.now();
let j_counter6 = 0;
for (let j = 0; (1 > 0 ? j <= y - 1 : j >= y - 1); j += 1) {
q[j] = randomInteger(1, 100);
j_counter6++;
if (j_counter6 % 10 === 0 && performance.now() - j_timing6 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
j_timing6 = performance.now();
}
}
grid[i] = q;
i_counter8++;
if (i_counter8 % 10 === 0 && performance.now() - i_timing8 > 16) {
await new Promise(resolve => requestAnimationFrame(resolve));
i_timing8 = performance.now();
}
}
await setGridValue(0, 0, 0);
box2 = boxes[0][0];
dispose(box2);
adjacent = await getAdjacent(0, 0);
while (!!adjacent.length) {
adjacent = await sort(adjacent);
q = adjacent.splice(0, 1)[0];
i = q[0];
j = q[1];
if (await adjacentZeroes(i, j) == 1 && adjacent.indexOf(q) == -1) {
await setGridValue(i, j, 0);
box2 = boxes[i][j];
dispose(box2);
var m_list = await getAdjacent(i, j);
for (var m_index in m_list) {
m = m_list[m_index];
adjacent[adjacent.length] = m;
await wait(0);
}
}
await wait(0);
}
}
async function setGridValue(i, j, value) {
q = grid[i];
q[j] = value;
grid[i] = q;
}
async function getAdjacent(i, j) {
temp = [];
var k_list = [[0, -1], [-1, 0], [0, 1], [1, 0]];
for (var k_index in k_list) {
k = k_list[k_index];
p = i + k[0];
q = j + k[1];
if (p < 0 || p >= grid.length) {
continue;
}
if (q < 0 || q >= grid[p].length) {
continue;
}
if (await acccessGrid(p, q) == 0) {
continue;
}
temp[temp.length] = [p, q];
await wait(0);
}
return temp;
}
async function adjacentZeroes(i, j) {
total = 0;
var k_list2 = [[0, -1], [-1, 0], [0, 1], [1, 0]];
for (var k_index2 in k_list2) {
k = k_list2[k_index2];
p = i + k[0];
q = j + k[1];
if (p < 0 || p >= grid.length) {
continue;
}
if (q < 0 || q >= grid[p].length) {
continue;
}
if (await acccessGrid(p, q) == 0) {
total = (typeof total === 'number' ? total : 0) + 1;
}
await wait(0);
}
return total;
}
async function acccessGrid(i, j) {
return grid[i][j];
}
</script>
<script type="module">
import "https://flipcomputing.github.io/flockupdate/flock.js";
</script>
</body>
</html>