Courtesy of Bruno Simon of https://threejs-journey.xyz/

Download Node.js. Run this followed commands:

# Install dependencies (only the first time)
npm install

# Run the local server at localhost:8080
npm run dev

# Build for production in the dist/ directory
npm run build

• 构建3d模型作为模块基础

• 绘制出热力图canvas

• 根据3d坐标系与热力坐标系的差异，将后端返回的3d点位坐标转换为热力坐标

• 隐藏热力图canvas

• 将热力图canvas作为贴出传入3d模型，形成热力地板

• three.js

• heatmap.js