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Add some smoothing to mandelbrot example

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This commit is contained in:
dcodeIO
2018-04-20 05:06:05 +02:00
parent 9cd3304e13
commit b53b3e08ec
16 changed files with 1441 additions and 810 deletions
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14
examples/game-of-life/assembly/index.ts
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@ -25,7 +25,7 @@ function set_fade(x: u32, y: u32, v: u32): void {
}
/** Initializes width and height. Called once from JS. */
export function init(width: i32, height: i32, seed: f64): void {
export function init(width: i32, height: i32): void {
w = width;
h = height;
s = width * height;
@ -46,7 +46,6 @@ export function step(): void {
// The universe of the Game of Life is an infinite two-dimensional orthogonal grid of square
// "cells", each of which is in one of two possible states, alive or dead.
for (let y = 0; y < h; ++y) {
let ym1 = y == 0 ? hm1 : y - 1,
yp1 = y == hm1 ? 0 : y + 1;
for (let x = 0; x < w; ++x) {
@ -74,15 +73,14 @@ export function step(): void {
let alive = mm & 1;
if (alive) {
// A live cell with fewer than 2 live neighbors dies, as if caused by underpopulation.
// A live cell with more than 3 live neighbors dies, as if by overpopulation.
if (aliveNeighbors < 2 || aliveNeighbors > 3) set(x, y, RGB_DEAD | 0xff000000);
// A live cell with 2 or 3 live neighbors lives on to the next generation.
else set_fade(x, y, mm);
if ((aliveNeighbors & 0b1110) == 0b0010) set_fade(x, y, mm);
// A live cell with fewer than 2 or more than 3 live neighbors dies.
else set(x, y, RGB_DEAD | 0xff000000);
} else {
// A dead cell with exactly 3 live neighbors becomes a live cell, as if by reproduction.
// A dead cell with exactly 3 live neighbors becomes a live cell.
if (aliveNeighbors == 3) set(x, y, RGB_ALIVE | 0xff000000);
// Otherwise the dead cell remains dead.
// A dead cell with fewer or more than 3 live neighbors remains dead.
else set_fade(x, y, mm);
}
}