SVG动画案例库
浏览精选的SVG动画案例
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'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
const VIEW_WIDTH = 1000;
const VIEW_HEIGHT = 600;
// ----------------------------------------------------------------------
// Types & Constants
// ----------------------------------------------------------------------
type AnimalType = 'unknown' | 'chicken' | 'rabbit';
interface AnimalState {
id: number;
type: AnimalType;
legs: number;
x: number;
y: number;
isTransforming: boolean;
}
interface S
國小六年級解決雞兔同籠問題的數學動畫，可愛版本，在更詳盡的舉
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```javascript
'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
// 视图常量定义
const VIEW_WIDTH = 1000;
const VIEW_HEIGHT = 600;
const ORIGIN_X = 500; // 原点屏幕X
const ORIGIN_Y = 100; // 原点屏幕Y (因为开口向下，顶点在上方，预留上方空间)
const SCALE_X = 60; // X轴缩放比例
const SCALE_Y = 12; // Y轴缩放比例 (Y轴数值变化大，压缩显示)
export default function ParabolaGeometryAnimation() {
const [m, setM] = useState(-5);
const requestRef = useRef<number>();
const startTimeRef = useRef<number>();
// 动画循
在平面直角坐标系中，抛物线y=-x^2+2x+3的对称轴为直
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'use client';
import React, { useState, useEffect, useRef } from 'react';
const VIEW_WIDTH = 1000;
const VIEW_HEIGHT = 600;
const TOTAL_HEADS = 8;
const TOTAL_LEGS = 22;
export default function ChickenRabbitSolver() {
// Animation States
const [step, setStep] = useState(0);
const [animals, setAnimals] = useState(Array(TOTAL_HEADS).fill({ legs: 0, isRabbit: false }));
const [extraLegs, setExtraLegs] = useState(0);
const [flyingLegs, setFlyingLegs] = useState<{id: number, targetIdx:
我是小学奥数教师，我要做一个鸡兔同笼问题解答过程，帮我输出。
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```javascript
'use client';
import React, { useState, useEffect, useRef } from 'react';
const VIEW_WIDTH = 1000;
const VIEW_HEIGHT = 600;
// 颜色定义 - 科技感配色
const COLORS = {
bg: '#0f172a', // 背景色
primary: '#38bdf8', // 主梯形颜色 (天蓝)
secondary: '#a78bfa', // 复制梯形颜色 (紫)
accent: '#facc15', // 强调色 (黄)
text: '#e2e8f0', // 文本颜色
grid: '#1e293b', // 网格线
dim: '#475569', // 暗淡色
};
export default function TrapezoidAreaProof() {
const [step, setStep] = useState(0);
我是小学数学教师，我要做一个梯形面积的证明过程，帮我输出。简
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'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
// ==========================================
// 常量与配置
// ==========================================
const VIEW_WIDTH = 1200;
const VIEW_HEIGHT = 600;
const BG_COLOR = '#7b92c6';
const DISK_COLORS = ['#FF6B6B', '#FFD93D', '#6BCB77', '#4D96FF', '#9D4EDD'];
const DISK_COUNT = 4; // 碟子数量
const ANIMATION_SPEED = 1.5; // 速度系数
// 贝塞尔缓动函数
const easeInOutCubic = (t: number) => t < 0.5 ? 4 * t * t * t : 1 - Math.pow(-2
作一個和河內塔遞回解析的動畫
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```tsx
'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
const VIEW_WIDTH = 1000;
const VIEW_HEIGHT = 600;
const CENTER_X = VIEW_WIDTH / 2;
const CENTER_Y = VIEW_HEIGHT / 2;
const RADIUS = 200;
const BG_COLOR = "#0f172a";
// 辅助函数：计算正n边形的顶点坐标
const getPolygonPoints = (n: number, r: number, rotationOffset = -Math.PI / 2) => {
const points = [];
for (let i = 0; i < n; i++) {
const theta = (i / n) * 2 * Math.PI + rotationOffset;
points.push({
x:
割圆术如何计算圆周长
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```tsx
'use client';
import React, { useState, useEffect, useMemo } from 'react';
// --- Constants & Config ---
const VIEW_WIDTH = 800;
const VIEW_HEIGHT = 600;
const UNIT = 40; // Pixel size of one grid unit
const A_UNITS = 3;
const B_UNITS = 4;
const C_UNITS = 5;
const COLORS = {
bg: '#0f172a', // Slate 900
grid: '#1e293b', // Slate 800
gridLine: '#334155', // Slate 700
a: '#06b6d4', // Cyan 500 (Neon)
b: '#8b5cf6', // Violet 500 (Neon)
c: '#10b981',
勾股定理
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```javascript
'use client';
import React, { useState, useEffect, useMemo } from 'react';
// 视图常量
const VIEW_WIDTH = 800;
const VIEW_HEIGHT = 600;
const CENTER_X = VIEW_WIDTH / 2;
const CENTER_Y = VIEW_HEIGHT / 2 - 20;
// 几何常量 (勾股数 3-4-5 的倍数)
const A = 120; // 短边
const B = 160; // 长边
const C = 200; // 斜边
const BOX_SIZE = A + B; // 280
// 动画阶段定义
const PHASES = {
INIT: 0,
SHOW_C: 1,
TRANSITION: 2,
SHOW_AB: 3,
FORMULA: 4,
};
export const PythagoreanTheoremView = () => {
const [phase
创建一个证明勾股定理的动画
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'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
const VIEW_WIDTH = 1000;
const VIEW_HEIGHT = 600;
const MAX_WAVE_POINTS = 600;
const SPEED = 0.015;
export const FourierSeriesView = () => {
// Animation state
const [time, setTime] = useState(0);
const [nTerms, setNTerms] = useState(1);
const [wavePath, setWavePath] = useState<{x: number, y: number}[]>([]);
// Refs for animation loop logic to avoid closure staleness
const timeRef = useRef(0);
the principle of Fourier serie
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'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
// -----------------------------------------------------------------------------
// Constants & Config
// -----------------------------------------------------------------------------
const WIDTH = 800;
const HEIGHT = 500;
const ORIGIN_X = WIDTH / 2;
const ORIGIN_Y = HEIGHT / 2;
const SCALE_X = 60; // pixels per unit x
const SCALE_Y = 120; // pixels per unit y (amplitude)
const MAX_TERMS = 9; // Number of non-z
Visualize the Taylor series with SVG animation
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'use client';
import React, { useState, useEffect, useRef, useMemo } from 'react';
const VIEW_WIDTH = 800;
const VIEW_HEIGHT = 600;
const CENTER_X = VIEW_WIDTH / 2;
const CENTER_Y = VIEW_HEIGHT / 2;
const SCALE = 40; // 40 pixels = 1 unit
// Function Definitions
const FUNCTION_DATA = [
{
id: 'linear',
title: '一次函数 (Linear Function)',
formula: 'y = x',
color: '#3B82F6',
range: [-10, 10],
fn: (x: number) => x,
},
{
id: 'quadratic',
title: '二次函数 (Quadratic F