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@ -1,8 +1,8 @@ |
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import { Universe, Cell, View3d, Color } from "wasm-game-of-life"; |
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import { View3d } from "wasm-game-of-life"; |
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import { memory } from "wasm-game-of-life/wasm_game_of_life_bg"; |
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import { memory } from "wasm-game-of-life/wasm_game_of_life_bg"; |
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// 3D canvas stuff
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// 3D canvas stuff
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const view3d = View3d.new(151, 151); |
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const view3d = View3d.new(300, 300); |
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const view3d_canvas = document.getElementById("view3d"); |
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const view3d_canvas = document.getElementById("view3d"); |
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view3d_canvas.width = view3d.width(); |
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view3d_canvas.width = view3d.width(); |
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@ -28,85 +28,7 @@ const drawView3d = () => { |
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view3d_ctx.putImageData(view3d_image, 0, 0); |
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view3d_ctx.putImageData(view3d_image, 0, 0); |
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} |
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} |
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// game of life stuff
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const CELL_SIZE = 5; // px
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const GRID_COLOR = "#CCCCCC"; |
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const DEAD_COLOR = "#FFFFFF"; |
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const ALIVE_COLOR = "#000000"; |
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const universe = Universe.new(); |
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const width = universe.width(); |
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const height = universe.height(); |
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const canvas = document.getElementById("game-of-life-canvas"); |
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canvas.height = (CELL_SIZE + 1) * height + 1; |
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canvas.width = (CELL_SIZE + 1) * width + 1; |
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const ctx = canvas.getContext('2d'); |
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const renderLoop = () => { |
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universe.tick(); |
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drawGrid(); |
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drawCells(); |
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requestAnimationFrame(renderLoop); |
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}; |
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const drawGrid = () => { |
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ctx.beginPath(); |
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ctx.strokeStyle = GRID_COLOR; |
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// vertical lines.
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for (let i = 0; i <= width; i++) { |
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ctx.moveTo(i * (CELL_SIZE + 1) + 1, 0); |
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ctx.lineTo(i * (CELL_SIZE + 1) + 1, (CELL_SIZE + 1) * height + 1); |
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} |
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// horizontal lines.
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for (let j = 0; j <= height; j++) { |
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ctx.moveTo( 0, j * (CELL_SIZE + 1) + 1); |
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ctx.lineTo((CELL_SIZE + 1) * width + 1, j * (CELL_SIZE + 1) + 1); |
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} |
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ctx.stroke(); |
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}; |
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const getIndex = (row, col) => { |
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return row * width + col; |
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}; |
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const drawCells = () => { |
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const cellsPtr = universe.cells() |
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const cells = new Uint8Array(memory.buffer, cellsPtr, width * height); |
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ctx.beginPath(); |
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for (let row = 0; row < height; row++) { |
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for (let col = 0; col < height; col++) { |
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const idx = getIndex(row, col); |
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ctx.fillStyle = cells[idx] === Cell.Dead |
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? DEAD_COLOR |
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: ALIVE_COLOR; |
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ctx.fillRect( |
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col * (CELL_SIZE + 1) + 1, |
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row * (CELL_SIZE + 1) + 1, |
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CELL_SIZE, |
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CELL_SIZE |
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); |
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} |
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} |
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ctx.stroke(); |
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}; |
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// start everything ...
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// start everything ...
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//drawGrid();
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//drawCells();
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//requestAnimationFrame(renderLoop);
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view3d.update(); |
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view3d.update(); |
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drawView3d(); |
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drawView3d(); |
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requestAnimationFrame(view3d_renderLoop); |
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requestAnimationFrame(view3d_renderLoop); |
