Published
Edited
Jul 26, 2021
2 forks
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{
document.getElementById("WebGL-div")
.appendChild(renderer.domElement);
stats.begin();
render();
}
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scene = new THREE.Scene();
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camera = {
const camera = new THREE.PerspectiveCamera(45, window.innerWidth/height, 0.1, 1000);
// position and point the camera to the center of the scene
camera.position.x = -20;
camera.position.y = 50;
camera.position.z = 40;
camera.lookAt(new THREE.Vector3(10, 0, 0));
return camera;
}
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webGLRenderer = {
const renderer = new THREE.WebGLRenderer();
renderer.setClearColor(new THREE.Color(0xEEEEEE));
renderer.setSize(window.innerWidth, height);
renderer.shadowMap.enable = true;
return renderer;
}
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canvasRenderer = {
const renderer = new THREE.CanvasRenderer();
// setSizeがない -> webGL以外は利用できなくなったのかも?
//renderer.setSize(window.innerWidth, height);
return renderer;
}
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renderer = webGLRenderer;//canvasは使えなさそうなので
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ground = {
const groundGeom = new THREE.PlaneGeometry(100, 100, 4, 4);
const groundMesh = new THREE.Mesh(groundGeom, new THREE.MeshBasicMaterial({color: 0x777777}));
groundMesh.rotation.x = -Math.PI / 2;
groundMesh.position.y = -20;
scene.add(groundMesh);
return groundMesh;
}
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meshMaterial = {
// 共通のmaterial
const meshMaterial = new THREE.MeshBasicMaterial({color: 0xff77f0});
const clippingPlane = new THREE.Plane(new THREE.Vector3(0, 0, -1));// THREE.Planeは新しい利用!!
meshMaterial.clippingPlanes = [clippingPlane];//materialの表示が 平面の法線側のみ利用される?
return meshMaterial;
}
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sphere = {
const sphereGeo = new THREE.SphereGeometry(14,20,20);
const sphere = new THREE.Mesh(sphereGeo, meshMaterial);
sphere.position.x = 0;
sphere.position.y = 3;
sphere.position.z = 2;
return sphere;
}
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cube = {
const cubeGeo = new THREE.BoxGeometry(15, 15, 15);
const cube = new THREE.Mesh(cubeGeo, meshMaterial);
cube.position.set(...Object.values(sphere.position));//x,y,zの値を展開する
scene.add(cube);//初回の表示
return cube;
}
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plane = {
const planeGeo = new THREE.PlaneGeometry(14, 14, 4, 4);
const plane = new THREE.Mesh(planeGeo, meshMaterial);
plane.position.set(...Object.values(sphere.position));
return plane;
}
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height = 600
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step_obj = ({step: 0})
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function render() {
stats.update();

cube.rotation.y = step_obj.step += 0.01;
plane.rotation.y = step_obj.step;
sphere.rotation.y = step_obj.step;

// render using requestAnimationFrame
requestAnimationFrame(render);
renderer.render(scene, camera);
}
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stats = initStats();
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function initStats(){
const stats = new Stats();
stats.setMode(0);
stats.domElement.style.position = "absolute";
stats.domElement.style.left = "0px";
stats.domElement.style.top = "0px";
document.getElementById("stats-div")
.appendChild(stats.domElement);
return stats;
}
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gui = initGUI()
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controls = new function(){
this.rotationSpeed = 0.02;
this.bouncingSpeed = 0.03;

this.opacity = meshMaterial.opacity;
this.transparent = meshMaterial.transparent;
this.overdraw = meshMaterial.overdraw;// canvasRenderでの話なので、なくなった?
this.visible = meshMaterial.visible;
this.side = "front";

this.color = meshMaterial.color.getStyle();
this.wireframe = meshMaterial.wireframe;
this.wireframeLinewidth = meshMaterial.wireframeLinewidth;
this.wireFrameLineJoin = meshMaterial.wireframeLinejoin;

this.clippingEnabled = false;
this.clippingPlaneZ = 0;

this.selectedMesh = "cube";

/*
this.switchRenderer = function () {
document.getElementById("WebGL-output").removeChild(renderer.domElement);
if (renderer instanceof THREE.WebGLRenderer) {
renderer = canvasRenderer;
document.getElementById("WebGL-output").appendChild(renderer.domElement);
} else {
renderer = webGLRenderer;
document.getElementById("WebGL-output").appendChild(renderer.domElement);
}
}
*/
}
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function initGUI(){
const gui = new DatGUI.GUI();

const spGui = gui.addFolder("Mesh");
spGui.add(controls, 'opacity', 0, 1).onChange(function (e) {
meshMaterial.opacity = e
});
spGui.add(controls, 'transparent').onChange(function (e) {
meshMaterial.transparent = e
});
spGui.add(controls, 'wireframe').onChange(function (e) {
meshMaterial.wireframe = e
});
spGui.add(controls, 'wireframeLinewidth', 0, 20).onChange(function (e) {
meshMaterial.wireframeLinewidth = e
});
spGui.add(controls, 'visible').onChange(function (e) {
meshMaterial.visible = e
});
spGui.add(controls, 'side', ["front", "back", "double"]).onChange(function (e) {

switch (e) {
case "front":
meshMaterial.side = THREE.FrontSide;
break;
case "back":
meshMaterial.side = THREE.BackSide;
break;
case "double":
meshMaterial.side = THREE.DoubleSide;
break;
}
meshMaterial.needsUpdate = true;
});
spGui.addColor(controls, 'color').onChange(function (e) {
meshMaterial.color.setStyle(e)
});
spGui.add(controls, 'clippingEnabled').onChange(function (e) {
webGLRenderer.localClippingEnabled = e;// grobalなら、webGLRenderer.clippingPlanesに [clippingPlane]を入れる
});
spGui.add(controls, 'clippingPlaneZ', -5.0, 5.0).onChange(function (e) {
meshMaterial.clippingPlanes[0].constant = e;//今回は planeは配列で一つより [0]
});
spGui.add(controls, 'selectedMesh', ["cube", "sphere", "plane"]).onChange(function (e) {

scene.remove(plane);
scene.remove(cube);
scene.remove(sphere);

switch (e) {
case "cube":
scene.add(cube);
break;
case "sphere":
scene.add(sphere);
break;
case "plane":
scene.add(plane);
break;

}

scene.add(e);
});

/*
//gui.add(controls, 'switchRenderer');
const cvGui = gui.addFolder("Canvas renderer");
cvGui.add(controls, 'overdraw').onChange(function (e) {
meshMaterial.overdraw = e
});
cvGui.add(controls, 'wireFrameLineJoin', ['round', 'bevel', 'miter']).onChange(function (e) {
meshMaterial.wireframeLinejoin = e
});*/


gui.domElement.style.position = "absolute";
gui.domElement.style.top = "0px";
document.getElementById("datGUI-div")
.appendChild(gui.domElement);
return gui;
}
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{
gui.domElement.style.left = width - gui.domElement.offsetWidth + "px";
}
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THREE = {
// 3までの three.js は 0.99で、 bufferGeometryがなかった
// verはこれより古いものなので、エラーが起きるかも...
const THREE = window.THREE = await require("three@0.129.0/build/three.min.js");
//await require("three@0.129.0/examples/js/controls/OrbitControls.js").catch(() => {});
return THREE;
}
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new Stats()
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Stats = require("stats.js");
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DatGUI = require("dat.gui");
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