粒子
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This commit is contained in:
yiqiu
2025-11-22 18:47:32 +08:00
parent 9011cec580
commit be20b0d767

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@@ -22,7 +22,7 @@
// 基础 Three.js 场景
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(40, width / height, 0.1, 1000);
var camera = new THREE.PerspectiveCamera(55, width / height, 0.1, 1000);
// 初始视角,稍微偏上俯视球体
camera.position.set(0, 0.8, 7.5);
camera.lookAt(0, 0, 0);
@@ -45,10 +45,10 @@
// -------------------------------
// 可调参数:你可以根据效果需求自行修改
var PARTICLE_COUNT = 2200; // 粒子数量,越多越实,但性能负担也越大
var SPHERE_RADIUS = 2.4; // 球体半径(世界单位)
var START_RADIUS_MIN = 5.0; // 粒子起始距离下限
var START_RADIUS_MAX = 9.0; // 粒子起始距离上限
var PARTICLE_COUNT = 1200; // 粒子数量,越多越实,但性能负担也越大
var SPHERE_RADIUS = 2.6; // 球体半径(世界单位)
var START_RADIUS_MIN = 10.0; // 粒子起始距离下限(调大一点,让更多粒子从画布边缘外飞入)
var START_RADIUS_MAX = 18.0; // 粒子起始距离上限
var FORMATION_DURATION = 4000; // 粒子从散开到聚合成球的时间(毫秒)
var ROTATION_SPEED = 0.25; // 成形后的自转速度(弧度/秒,约等于旧地球的速度)
@@ -116,7 +116,7 @@
var material = new THREE.PointsMaterial({
color: 0x38bdf8, // 粒子主色(可自行调整)
size: 0.06, // 每个粒子在世界中的尺寸
size: 0.08, // 每个粒子在世界中的尺寸
sizeAttenuation: true,
transparent: true,
opacity: 0.95,