本示例中的3d渲染场景由Json数据来描述。

包含3个主要部分:

1. Json描述渲染器的基本信息。

2. Json描述渲染场景的环境信息,包括全局的灯光、阴影、雾等。

3. Json描述构成场景的各个可选人实体，包括几何信息、transform、材质、渲染状态等。

当前示例源码github地址:

https://github.com/vilyLei/voxwebgpu/blob/feature/material/src/voxgpu/sample/DataDrivenScene2.ts

当前示例运行效果:

此示例基于此渲染系统实现，当前示例TypeScript源码如下:

json场景数据:

{"renderer": {"mtplEnabled": true,"camera": {"eye": [1100,1100,500],"up": [0,1,0]}},"scene": {"light": {"pointLights": [{"position": [0,190,0],"color": [5,0,0],"factor1": 0.00001,"factor2": 0.00002}],"directionLights": [{"direction": [-1, -1, 0],"color": [0.5, 0.5, 0.5]}],"spotLights": []},"shadow": {"intensity": 0.4,"radius": 4},"fog": {"color": [0.3,0.7,0.2]}},"entities": [{"plane": {"entity": {"axisType": 1,"extent": [-600,-600,1200,1200],"transform": {"position": [0,0,0]},"materials": [{"type": "default","lighting": true,"shadow": false,"shadowReceived": true,"fogging": true,"arms": [1,0.3,0.2],"albedo": [0.6,0.6,0.5]}]}}},{"sphere": {"entity": {"radius": 80,"transform": {"position": [0,100,200]},"materials": [{"type": "default","lighting": true,"shadow": true,"shadowReceived": true,"fogging": true,"arms": [1,0.3,0.2],"albedo": [0.7,0.6,0.5]}]}}},{"cube": {"entity": {"size": 80,"transform": {"position": [220,130,-10],"scale": [2,1.5,3],"rotation": [-190,0,200]},"materials": [{"type": "default","lighting": true,"shadow": true,"shadowReceived": true,"fogging": true,"arms": [1,0.4,0.2],"albedo": [0.3,0.7,0.8]}]}}},{"torus": {"entity": {"radius": 150,"axisType": 1,"rings": 50,"segments": 30,"transform": {"position": [0,230,0]},"materials": [{"type": "default","lighting": true,"shadow": true,"shadowReceived": true,"fogging": true,"arms": [1,0.2,0.2],"albedo": [0.2,0.5,0.8]}]}}},{"model": {"entity": {"url": "static/assets/draco/monkey.drc","transform": {"position": [0,380,0],"scale": [100,100,100],"rotation": [0,90,0]},"materials": [{"type": "default","lighting": true,"shadow": true,"shadowReceived": true,"fogging": true,"arms": [1,0.5,0.2],"albedo": [0.6,0.3,0.8]}]}}},{"cube": {"entity": {"size": 2050,"normalScale": -1,"materials": [{"type": "default","lighting": true,"fogging": true,"arms": [1,0.3,0.2],"albedo": [0.3,0.3,0.7],"faceCullMode": "front"}]}}},{"gltf": {"entity": {}}},{"usd": {"entity": {}}}]
}

代码:

export class DataDrivenScene2 {private mScene = new DataDrivenRScene();initialize(): void {let url = "static/assets/scene/sceneData02.json";new HttpFileLoader().loadJson(url,(json: object, url: string): void => {console.log("json: ", json);this.initScene(json);});}private initScene(json: object): void {this.mScene.initialize(json);this.initEvent();}private initEvent(): void {const rc = this.mScene;new MouseInteraction().initialize(rc.rscene, 0, false).setAutoRunning(true);}run(): void {this.mScene.run();}
}