HTML5勾股树植物生长动画特效.zip

代码片段： if(!memo[memoKey]){       constcurrentH=width*scale;       constresult={    leftSize:  Math.sqrt(currentH**2(width*(0.5-lean))**2),    rightSize: Math.sqrt(currentH**2(width*(0.5lean))**2),    leftAngle: Math.atan(currentH/((0.5-lean)*width)),