renderer.domElement
height = 600
heightMap =
{
const pic = await FileAttachment("download@2.png").url()
const texture = new THREE.TextureLoader().load(pic);
texture.encoding = THREE.sRGBEncoding;
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
texture.anisotropy = 16;
return texture;
}
textureMap =
{
const pic = await FileAttachment("download.png").url();
const texture = new THREE.TextureLoader().load(pic);
texture.encoding = THREE.sRGBEncoding;
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
texture.anisotropy = 16;
return texture;
}
plane = {
const geometry = new THREE.PlaneGeometry(options.width, options.height, options.widthSegments, options.heightSegments);
// 使用自定义着色器
const material = new THREE.ShaderMaterial({
uniforms: {
// Feed the heightmap
bumpTexture: { value: heightMap },
// Feed the scaling constant for the heightmap
bumpScale: { value: 0.05 },
// Feed the texture map
terrainTexture: { value: textureMap }
},
transparent: false,
side: THREE.DoubleSide,
vertexShader: earthShader.vertexShader, // 顶点着色器
fragmentShader: earthShader.fragmentShader, // 片元着色器
});
const plane = new THREE.Mesh(geometry, material);
plane.rotation.set(-Math.PI / 2, 0, 0)
console.log('plane', plane);
return plane;
}
helper = {
const scale = 0.004
const geometryHelper = new THREE.ConeGeometry( 2 * scale, 10 * scale, 3 );
geometryHelper.translate( 0, 5 * scale, 0 );
// geometryHelper.rotateX( Math.PI / 2 );
// geometryHelper.translate( 5 * scale, 5 * scale, 0 );
const helper = new THREE.Mesh( geometryHelper, new THREE.MeshNormalMaterial() );
return helper;
}
scene = {
const scene = new THREE.Scene();
scene.background = new THREE.Color(0x001b42);
scene.add(plane);
return scene;
}
camera = {
const fov = 45;
const aspect = width / height;
const near = 0.1;
const far = 1000;
const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
camera.position.set(0, 2, 2)
camera.lookAt(new THREE.Vector3(0, 0, 0));
return camera;
}
renderer = {
const renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setSize(width, height);
renderer.setPixelRatio(devicePixelRatio);
const controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.addEventListener("change", () => renderer.render(scene, camera));
invalidation.then(() => (controls.dispose(), renderer.dispose()));
const axesHelper = new THREE.AxesHelper( 5 );
scene.add( axesHelper );
// helper
scene.add( helper );
return renderer;
}
raycaster = new THREE.Raycaster();
pointer = new THREE.Vector2();
function onPointerMove( event ) {
console.log('event', event);
pointer.x = ( event.offsetX / renderer.domElement.clientWidth ) * 2 - 1;
pointer.y = - ( event.offsetY / renderer.domElement.clientHeight ) * 2 + 1;
raycaster.setFromCamera( pointer, camera );
// See if the ray from the camera into the world hits one of our meshes
const intersects = raycaster.intersectObject( plane );
// Toggle rotation bool for meshes that we clicked
if ( intersects.length > 0 ) {
console.log('onPointerMove', intersects, intersects[ 0 ].face.normal, intersects[ 0 ].point);
helper.position.set( 0, 0, 0 );
helper.lookAt( intersects[ 0 ].face.normal );
helper.position.copy( intersects[ 0 ].point );
} else {
}
}
// renderer.domElement.addEventListener( 'pointermove', onPointerMove );
renderer.domElement.addEventListener( 'click', onPointerMove );
THREE = {
const THREE = window.THREE = await require("three@0.130.0/build/three.min.js");
await require("three@0.130.0/examples/js/controls/OrbitControls.js").catch(() => {});
return THREE;
}
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