108 lines
2.8 KiB
Vue
108 lines
2.8 KiB
Vue
<template>
|
|
<canvas width="224" height="128"></canvas>
|
|
</template>
|
|
|
|
<script lang="ts">
|
|
import { defineComponent } from 'vue';
|
|
import * as THREE from 'three';
|
|
import * as os from '@/os';
|
|
|
|
export default defineComponent({
|
|
data() {
|
|
return {
|
|
selected: null,
|
|
objectHeight: 0,
|
|
orbitRadius: 5
|
|
};
|
|
},
|
|
|
|
mounted() {
|
|
const canvas = this.$el;
|
|
|
|
const width = canvas.width;
|
|
const height = canvas.height;
|
|
|
|
const scene = new THREE.Scene();
|
|
|
|
const renderer = new THREE.WebGLRenderer({
|
|
canvas: canvas,
|
|
antialias: true,
|
|
alpha: false
|
|
});
|
|
renderer.setPixelRatio(window.devicePixelRatio);
|
|
renderer.setSize(width, height);
|
|
renderer.setClearColor(0x000000);
|
|
renderer.autoClear = false;
|
|
renderer.shadowMap.enabled = true;
|
|
renderer.shadowMap.cullFace = THREE.CullFaceBack;
|
|
|
|
const camera = new THREE.PerspectiveCamera(75, width / height, 0.1, 100);
|
|
camera.zoom = 10;
|
|
camera.position.x = 0;
|
|
camera.position.y = 2;
|
|
camera.position.z = 0;
|
|
camera.updateProjectionMatrix();
|
|
scene.add(camera);
|
|
|
|
const ambientLight = new THREE.AmbientLight(0xffffff, 1);
|
|
ambientLight.castShadow = false;
|
|
scene.add(ambientLight);
|
|
|
|
const light = new THREE.PointLight(0xffffff, 1, 100);
|
|
light.position.set(3, 3, 3);
|
|
scene.add(light);
|
|
|
|
const grid = new THREE.GridHelper(5, 16, 0x444444, 0x222222);
|
|
scene.add(grid);
|
|
|
|
const render = () => {
|
|
const timer = Date.now() * 0.0004;
|
|
requestAnimationFrame(render);
|
|
|
|
camera.position.y = Math.sin(Math.PI / 6) * this.orbitRadius; // Math.PI / 6 => 30deg
|
|
camera.position.z = Math.cos(timer) * this.orbitRadius;
|
|
camera.position.x = Math.sin(timer) * this.orbitRadius;
|
|
camera.lookAt(new THREE.Vector3(0, this.objectHeight / 2, 0));
|
|
renderer.render(scene, camera);
|
|
};
|
|
|
|
this.selected = selected => {
|
|
const obj = selected.clone();
|
|
|
|
// Remove current object
|
|
const current = scene.getObjectByName('obj');
|
|
if (current != null) {
|
|
scene.remove(current);
|
|
}
|
|
|
|
// Add new object
|
|
obj.name = 'obj';
|
|
obj.position.x = 0;
|
|
obj.position.y = 0;
|
|
obj.position.z = 0;
|
|
obj.rotation.x = 0;
|
|
obj.rotation.y = 0;
|
|
obj.rotation.z = 0;
|
|
obj.traverse(child => {
|
|
if (child instanceof THREE.Mesh) {
|
|
child.material = child.material.clone();
|
|
return child.material.emissive.setHex(0x000000);
|
|
}
|
|
});
|
|
const objectBoundingBox = new THREE.Box3().setFromObject(obj);
|
|
this.objectHeight = objectBoundingBox.max.y - objectBoundingBox.min.y;
|
|
|
|
const objectWidth = objectBoundingBox.max.x - objectBoundingBox.min.x;
|
|
const objectDepth = objectBoundingBox.max.z - objectBoundingBox.min.z;
|
|
|
|
const horizontal = Math.hypot(objectWidth, objectDepth) / camera.aspect;
|
|
this.orbitRadius = Math.max(horizontal, this.objectHeight) * camera.zoom * 0.625 / Math.tan(camera.fov * 0.5 * (Math.PI / 180));
|
|
|
|
scene.add(obj);
|
|
};
|
|
|
|
render();
|
|
},
|
|
});
|
|
</script>
|