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Update starfield.html
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@Rukario
Rukario authored Sep 22, 2024
1 parent 8adb1ac commit bb076d9
Showing 1 changed file with 102 additions and 53 deletions.
155 changes: 102 additions & 53 deletions Uninteresting stuff/starfield.html
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Original file line number Diff line number Diff line change
Expand Up @@ -441,6 +441,16 @@
);
}

#hint5 {
background: repeating-linear-gradient(
45deg,
#730,
#730 10px,
#f70 10px,
#f70 20px
);
}

#result, #stdout, #glyphscr {
white-space: pre-wrap;
display: none;
Expand Down Expand Up @@ -3862,6 +3872,36 @@
}
}

function aliasedline(x0, y0, x1, y1) {
const pixels = new Array();

const dx = Math.abs(x1 - x0);
const dy = Math.abs(y1 - y0);
const sx = Math.sign(x1 - x0);
const sy = Math.sign(y1 - y0);
let err = dx - dy;

pixels.push([x0, y0]);
while (true) {
if (x0 === x1 && y0 === y1) {
break;
}

const e2 = 2 * err;
if (e2 > -dy) {
err -= dy;
x0 += sx;
}
if (e2 < dx) {
err += dx;
y0 += sy;
}
pixels.push([x0, y0]);
}

return pixels;
}

function qixstep() {
const dir = {
e: Keypress.KeyD || Keypress.ArrowRight,
Expand All @@ -3874,85 +3914,94 @@
face = dir.w ? 1 : 2;
}

const speed = 1;
// invisible barrier
const landed = () => {
if (mouse[0].hold) {
mouse[0].hold = 0;
if (qix_tails.length > 1 || qix_tails.length > 0 && (Math.abs(qix_tails[0][2]) > 1 || Math.abs(qix_tails[0][3]) > 1)) {
for (const area of qix_tails) {
clearSq(...area);
}
qixmask.putImageData(qixmap, 0, 0);
tailscr.style.display = 'none';
for (const sate of qixsates) {
qixscan(sate);
}
}
qix_tails = [];
}
}

for (const frame of Array(120/fps.hz).keys()) {
const step = {
const interstep = {
x: 0,
y: 0,
}

if (dir.w && !dir.e || dir.e && !dir.w) {
for (const x of Array(speed).keys()) {
for (const x of Array((Keypress.ShiftLeft || Keypress.ShiftRight) ? 2 : 1).keys()) {
const pow = dir.w ? -x-1 : x+1;

// death barrier
if (qixpos.x + pow >= 0 && qixpos.x + pow <= qixmask.width) {
step.x = pow;
interstep.x = pow;
} else {
break;
}
}
}

if (dir.n && !dir.s || dir.s && !dir.n) {
for (const y of Array(speed).keys()) {
for (const y of Array(Keypress.Space ? 2 : 1).keys()) {
const pow = dir.n ? -y-1 : y+1;

// death barrier
if (qixpos.y + pow >= 0 && qixpos.y + pow <= qixmask.height) {
step.y = pow;
interstep.y = pow;
} else {
break;
}
}
}

if (step.x === 0 && step.y === 0) {
if (interstep.x === 0 && interstep.y === 0) {
return;
}

for (const [width, height] of aliasedline(0, 0, interstep.x, interstep.y)) {
if (!width && !height) {
continue;
}
if (cleared(qixpos.x + width + qixmask.width * (qixpos.y + height))) {
stixpath(width, true);
landed();
qixpos.x += Math.sign(width);
qixpos.y += Math.sign(height);
} else if (mouse[0].down) {
// on adventure
mouse[0].hold = 1;
stixpath(width);
qixpos.x += Math.sign(width);
qixpos.y += Math.sign(height);
} else if (cleared(qixpos.x + width + qixmask.width * qixpos.y)) {
stixpath(width, true);
landed();
qixpos.x += Math.sign(width);
} else if (cleared(qixpos.x + qixmask.width * (qixpos.y + height))) {
stixpath(width, true);
landed();
qixpos.y += Math.sign(height);
} else {
break;
}
}

securitycam(qixpos);

//if (step.x !== 0 && step.y !== 0) {
// step.x /= 2;
// step.y /= 2;
//}

// invisible barrier
const stepmap = (x, y) => {
stixpath(x, true);
qixpos.x += x;
qixpos.y += y;
securitycam(qixpos);

if (mouse[0].hold) {
mouse[0].hold = 0;
if (qix_tails.length > 1 || qix_tails.length > 0 && (Math.abs(qix_tails[0][2]) > 1 || Math.abs(qix_tails[0][3]) > 1)) {
for (const area of qix_tails) {
clearSq(...area);
}
qixmask.putImageData(qixmap, 0, 0);
tailscr.style.display = 'none';
for (const sate of qixsates) {
qixscan(sate);
}
}
qix_tails = [];
}
}

if (cleared(qixpos.x + step.x + qixmask.width * (qixpos.y + step.y))) {
stepmap(step.x, step.y);
} else if (mouse[0].down) {
// on adventure
mouse[0].hold = 1;
stixpath(step.x);
qixpos.x += step.x;
qixpos.y += step.y;
securitycam(qixpos);
} else if (cleared(qixpos.x + step.x + qixmask.width * qixpos.y)) {
stepmap(step.x, 0);
} else if (cleared(qixpos.x + qixmask.width * (qixpos.y + step.y))) {
stepmap(0, step.y);
}
}
draw_tail(tailscr);
repaint.qix();
Expand Down Expand Up @@ -4007,9 +4056,9 @@
const r = mob.size / 1.5;
const pos = mob.pos;
const dir = mob.dir;
const speed = mob.speed;
const speed = Keypress.CapsLock ? {x:0, y:0} : mob.speed;
for (const frame of Array(120/fps.hz).keys()) {
const step = {
const interstep = {
x: 0,
y: 0,
};
Expand All @@ -4020,7 +4069,7 @@

// death barrier
if (pos.x + pow >= 0 && pos.x + pow <= qixmask.width && !cleared(pos.x + pow + qixmask.width * pos.y)) {
step.x = pow;
interstep.x = pow;
} else {
const oldirE = dir.e;
dir.e = dir.w;
Expand All @@ -4035,8 +4084,8 @@
const pow = dir.n ? -y-1 : y+1;

// death barrier
if (pos.y + pow >= 0 && pos.y + pow <= qixmask.height && !cleared(pos.x + step.x + qixmask.width * (pos.y + pow))) {
step.y = pow;
if (pos.y + pow >= 0 && pos.y + pow <= qixmask.height && !cleared(pos.x + interstep.x + qixmask.width * (pos.y + pow))) {
interstep.y = pow;
} else {
const oldirN = dir.n;
dir.n = dir.s;
Expand All @@ -4046,11 +4095,11 @@
}
}

if (step.x === 0 && step.y === 0) {
if (interstep.x === 0 && interstep.y === 0) {
return;
}
pos.x += step.x;
pos.y += step.y;
pos.x += interstep.x;
pos.y += interstep.y;

// provoke player
if (qix_tails.length > 0) {
Expand Down

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