fix
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+76
-56
@@ -192,6 +192,81 @@ const LEAF_COLORS = ['', '#ed5145', '#fdb068', '#fee5cd'];
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export const TRUNK_TOP_CSS = (H - 150) + 10;
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let cachedTreeCanvas: HTMLCanvasElement | null = null;
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function renderTreeCanvas() {
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if (cachedTreeCanvas) return cachedTreeCanvas;
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const canvas = document.createElement("canvas");
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const ctx = canvas.getContext("2d")!;
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canvas.width = W * PX;
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canvas.height = H * PX;
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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const { woodGrid, leafGrid } = buildTree(55);
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for (let y = 0; y < H; y++)
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for (let x = 0; x < W; x++) {
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const v = woodGrid[y * W + x];
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if (v) {
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ctx.fillStyle = WOOD_COLORS[v] ?? '#321901';
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ctx.fillRect(x * PX, y * PX, PX, PX);
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}
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}
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for (let y = 0; y < H; y++)
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for (let x = 0; x < W; x++) {
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const v = leafGrid[y * W + x];
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if (v) {
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ctx.fillStyle = LEAF_COLORS[v];
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ctx.fillRect(x * PX, y * PX, PX, PX);
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}
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}
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const GROUND_Y = H - 50;
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const groundColors = ['#fee5cd', '#fdca9b', '#fdb068'];
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const grassColors = ['#ed5145', '#fb7b04', '#c96303', '#f17c74'];
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let gs = 12345;
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function grassRand() {
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gs = (gs * 16807 + 0) % 2147483647;
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return (gs & 0x7fffffff) / 0x7fffffff;
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}
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for (let x = 0; x < W; x++) {
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const wave = Math.sin(x * 0.05) * 3 + Math.sin(x * 0.12) * 2;
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const groundTop = Math.round(GROUND_Y + wave);
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for (let y = groundTop; y < H; y++) {
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const depth = (y - groundTop) / (H - groundTop);
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const ci = depth < 0.3 ? 0 : depth < 0.7 ? 1 : 2;
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ctx.fillStyle = groundColors[ci];
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ctx.fillRect(x * PX, y * PX, PX, PX);
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}
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}
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for (let x = 0; x < W; x++) {
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if (grassRand() > 0.35) continue;
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const wave = Math.sin(x * 0.05) * 3 + Math.sin(x * 0.12) * 2;
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const surfaceY = Math.round(GROUND_Y + wave);
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const bladeH = Math.floor(grassRand() * 4) + 2;
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const color = grassColors[Math.floor(grassRand() * grassColors.length)];
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ctx.fillStyle = color;
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for (let b = 0; b < bladeH; b++) {
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ctx.fillRect(x * PX, (surfaceY - b - 1) * PX, PX, PX);
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}
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if (grassRand() > 0.6 && x + 1 < W) {
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ctx.fillRect((x + 1) * PX, (surfaceY - 1) * PX, PX, PX);
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}
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}
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cachedTreeCanvas = canvas;
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return canvas;
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}
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export function prewarmTreeCanvas() {
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renderTreeCanvas();
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}
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const Tree = forwardRef<HTMLCanvasElement>(function Tree(_, ref) {
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const internalRef = useRef<HTMLCanvasElement>(null);
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const canvasRef = (ref as React.RefObject<HTMLCanvasElement>) ?? internalRef;
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@@ -202,62 +277,7 @@ const Tree = forwardRef<HTMLCanvasElement>(function Tree(_, ref) {
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canvas.width = W * PX;
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canvas.height = H * PX;
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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const { woodGrid, leafGrid } = buildTree(55);
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for (let y = 0; y < H; y++)
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for (let x = 0; x < W; x++) {
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const v = woodGrid[y * W + x];
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if (v) {
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ctx.fillStyle = WOOD_COLORS[v] ?? '#321901';
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ctx.fillRect(x * PX, y * PX, PX, PX);
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}
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}
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for (let y = 0; y < H; y++)
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for (let x = 0; x < W; x++) {
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const v = leafGrid[y * W + x];
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if (v) {
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ctx.fillStyle = LEAF_COLORS[v];
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ctx.fillRect(x * PX, y * PX, PX, PX);
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}
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}
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const GROUND_Y = H - 50;
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const groundColors = ['#fee5cd', '#fdca9b', '#fdb068'];
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const grassColors = ['#ed5145', '#fb7b04', '#c96303', '#f17c74'];
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let gs = 12345;
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function grassRand() {
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gs = (gs * 16807 + 0) % 2147483647;
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return (gs & 0x7fffffff) / 0x7fffffff;
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}
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for (let x = 0; x < W; x++) {
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const wave = Math.sin(x * 0.05) * 3 + Math.sin(x * 0.12) * 2;
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const groundTop = Math.round(GROUND_Y + wave);
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for (let y = groundTop; y < H; y++) {
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const depth = (y - groundTop) / (H - groundTop);
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const ci = depth < 0.3 ? 0 : depth < 0.7 ? 1 : 2;
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ctx.fillStyle = groundColors[ci];
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ctx.fillRect(x * PX, y * PX, PX, PX);
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}
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}
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for (let x = 0; x < W; x++) {
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if (grassRand() > 0.35) continue;
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const wave = Math.sin(x * 0.05) * 3 + Math.sin(x * 0.12) * 2;
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const surfaceY = Math.round(GROUND_Y + wave);
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const bladeH = Math.floor(grassRand() * 4) + 2;
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const color = grassColors[Math.floor(grassRand() * grassColors.length)];
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ctx.fillStyle = color;
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for (let b = 0; b < bladeH; b++) {
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ctx.fillRect(x * PX, (surfaceY - b - 1) * PX, PX, PX);
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}
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if (grassRand() > 0.6 && x + 1 < W) {
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ctx.fillRect((x + 1) * PX, (surfaceY - 1) * PX, PX, PX);
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}
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}
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ctx.drawImage(renderTreeCanvas(), 0, 0);
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}, []);
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return (
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