mirror of
https://github.com/galacean/engine.git
synced 2026-05-22 17:00:49 +08:00
81 lines
2.5 KiB
TypeScript
81 lines
2.5 KiB
TypeScript
/**
|
|
* @title Planar Shadow
|
|
* @category Toolkit
|
|
* @thumbnail https://mdn.alipayobjects.com/merchant_appfe/afts/img/A*F7EqQpFQuzAAAAAAAAAAAAAADiR2AQ/original
|
|
*/
|
|
import { OrbitControl } from "@galacean/engine-toolkit-controls";
|
|
import {
|
|
Animator,
|
|
BlinnPhongMaterial,
|
|
Camera,
|
|
DirectLight,
|
|
GLTFResource,
|
|
Logger,
|
|
MeshRenderer,
|
|
PrimitiveMesh,
|
|
Vector3,
|
|
WebGLEngine,
|
|
} from "@galacean/engine";
|
|
|
|
import { Color } from "@galacean/engine";
|
|
import { PlanarShadowShaderFactory } from "@galacean/engine-toolkit";
|
|
|
|
/**
|
|
* Planar Shadow
|
|
*/
|
|
|
|
Logger.enable();
|
|
WebGLEngine.create({ canvas: "canvas" }).then((engine) => {
|
|
engine.canvas.resizeByClientSize();
|
|
const scene = engine.sceneManager.activeScene;
|
|
const rootEntity = scene.createRootEntity();
|
|
|
|
const cameraEntity = rootEntity.createChild("camera_node");
|
|
cameraEntity.transform.setPosition(0, 1, 5);
|
|
cameraEntity.addComponent(Camera);
|
|
cameraEntity.addComponent(OrbitControl).target = new Vector3(0, 1, 0);
|
|
|
|
const lightEntity = rootEntity.createChild("light_node");
|
|
lightEntity.addComponent(DirectLight);
|
|
lightEntity.transform.setPosition(-10, 10, 10);
|
|
lightEntity.transform.lookAt(new Vector3(0, 0, 0));
|
|
|
|
const planeEntity = rootEntity.createChild("plane_node");
|
|
const renderer = planeEntity.addComponent(MeshRenderer);
|
|
renderer.mesh = PrimitiveMesh.createPlane(engine, 10, 10);
|
|
const planeMaterial = new BlinnPhongMaterial(engine);
|
|
planeMaterial.baseColor.set(1, 1.0, 0, 1.0);
|
|
renderer.setMaterial(planeMaterial);
|
|
|
|
engine.resourceManager
|
|
.load<GLTFResource>(
|
|
"https://gw.alipayobjects.com/os/bmw-prod/5e3c1e4e-496e-45f8-8e05-f89f2bd5e4a4.glb"
|
|
)
|
|
.then((asset) => {
|
|
const { defaultSceneRoot } = asset;
|
|
rootEntity.addChild(defaultSceneRoot);
|
|
|
|
const animator = defaultSceneRoot.getComponent(Animator);
|
|
animator.play(asset.animations[0].name);
|
|
|
|
const lightDirection = lightEntity.transform.worldForward;
|
|
|
|
const renderers = new Array<MeshRenderer>();
|
|
defaultSceneRoot.getComponentsIncludeChildren(MeshRenderer, renderers);
|
|
|
|
for (let i = 0, n = renderers.length; i < n; i++) {
|
|
const material = renderers[i].getMaterial();
|
|
PlanarShadowShaderFactory.replaceShader(material);
|
|
PlanarShadowShaderFactory.setShadowFalloff(material, 0.2);
|
|
PlanarShadowShaderFactory.setPlanarHeight(material, 0.01);
|
|
PlanarShadowShaderFactory.setLightDirection(material, lightDirection);
|
|
PlanarShadowShaderFactory.setShadowColor(
|
|
material,
|
|
new Color(0, 0, 0, 1.0)
|
|
);
|
|
}
|
|
});
|
|
|
|
engine.run();
|
|
});
|