@realsee/dnalogel
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211 lines (210 loc) • 7.16 kB
JavaScript
var S = Object.defineProperty;
var y = (l, a, e) => a in l ? S(l, a, { enumerable: !0, configurable: !0, writable: !0, value: e }) : l[a] = e;
var h = (l, a, e) => (y(l, typeof a != "symbol" ? a + "" : a, e), e);
import * as t from "three";
import { ScaleHelperAbstract as b } from "../Base/BaseHelper.js";
import { RENDER_ORDER as m } from "../Constants/RenderOrder.js";
import { calculateScaleByCamera as C } from "../utils/calculateScaleByCamera.js";
class O extends b {
constructor(e, i) {
super(e, i);
h(this, "name", "ScaleHelper");
h(this, "scaleMeshes", []);
h(this, "lineConnections", []);
h(this, "positions", []);
h(this, "container");
h(this, "needsInitialScaling", !1);
h(this, "lastCamera", null);
h(this, "isInitializing", !1);
i && (this.positions = i.positions, this.container = i.container), this.raycast = () => {
};
}
initQuaternion() {
this.quaternion.copy(this.originObject3D.quaternion);
}
initialPosition(e) {
if (this.isInitializing) {
console.warn("ScaleHelper: initialPosition called while already initializing, skipping");
return;
}
this.isInitializing = !0;
try {
this.position.copy(this.originObject3D.position);
const i = typeof this.positions == "function" ? this.positions() : this.positions;
if (!i) {
this.isInitializing = !1;
return;
}
this.clearAllSpheres(), this.scaleMeshes = i.map((s, n) => {
const o = E();
return o.position.copy(s.handlePosition), o.scalePosition = s, o.children.forEach((r) => {
r.scalePosition = s;
}), this.add(o), o;
}), this.createLineConnections(), this.needsInitialScaling = !0, this.lastCamera && (this.applySphereScaling(this.lastCamera), this.applyLineScaling(this.lastCamera), this.needsInitialScaling = !1);
} finally {
this.isInitializing = !1;
}
}
/**
* 清理所有缩放球
*/
clearAllSpheres() {
this.scaleMeshes.forEach((i) => {
this.remove(i);
}), this.scaleMeshes = [];
const e = this.children.filter((i) => i.name === "ScaleHelperSphere");
e.length > 0 && e.forEach((i) => {
this.remove(i);
});
}
/**
* 创建中心对称球之间的直线连接
*/
createLineConnections() {
this.lineConnections.forEach((s) => {
this.remove(s.line);
}), this.lineConnections = [];
const e = {
top: "bottom",
bottom: "top",
left: "right",
right: "left",
front: "back",
back: "front"
}, i = /* @__PURE__ */ new Set();
for (const s of this.scaleMeshes) {
const n = s.scalePosition.id;
if (!n || i.has(n))
continue;
const o = e[n];
if (!o)
continue;
const r = this.scaleMeshes.find((d) => d.scalePosition.id === o);
if (!r)
continue;
const p = w(s.position.clone(), r.position.clone());
this.add(p), this.lineConnections.push({
line: p,
mesh1: s,
mesh2: r
}), i.add(n), i.add(o);
}
}
update(e) {
const i = e.type === "OrthographicCamera", s = e.position.clone(), n = this.originObject3D.getWorldPosition(new t.Vector3()), o = s.sub(n).normalize(), r = {
front: new t.Vector3(0, 0, 1).applyQuaternion(this.originObject3D.getWorldQuaternion(new t.Quaternion())),
back: new t.Vector3(0, 0, -1).applyQuaternion(this.originObject3D.getWorldQuaternion(new t.Quaternion())),
left: new t.Vector3(-1, 0, 0).applyQuaternion(this.originObject3D.getWorldQuaternion(new t.Quaternion())),
right: new t.Vector3(1, 0, 0).applyQuaternion(this.originObject3D.getWorldQuaternion(new t.Quaternion())),
top: new t.Vector3(0, 1, 0).applyQuaternion(this.originObject3D.getWorldQuaternion(new t.Quaternion())),
bottom: new t.Vector3(0, -1, 0).applyQuaternion(this.originObject3D.getWorldQuaternion(new t.Quaternion()))
};
let p = -1, d = "";
Object.entries(r).forEach(([c, f]) => {
const u = o.dot(f);
u > p && (p = u, d = c);
});
const g = {
top: "bottom",
bottom: "top",
left: "right",
right: "left",
front: "back",
back: "front"
};
this.scaleMeshes.forEach((c) => {
if (!i) {
c.visible = !0;
return;
}
const f = c.scalePosition.id, u = g[d];
f === d || f === u ? c.visible = !1 : c.visible = !0;
}), this.updateLineConnections(), this.lastCamera && (this.applySphereScaling(this.lastCamera), this.applyLineScaling(this.lastCamera));
}
/**
* 应用球的缩放逻辑
*/
applySphereScaling(e) {
this.updateMatrixWorld(!0), this.scaleMeshes.forEach((i) => {
i.scale.setScalar(
C(e, i.scalePosition.handlePosition.clone().applyMatrix4(this.matrixWorld))
);
});
}
/**
* 应用直线缩放逻辑（直线不需要特殊的缩放处理）
*/
applyLineScaling(e) {
}
/**
* 显示所有直线连接
*/
showLineConnections() {
this.lineConnections.forEach((e) => {
const i = e.mesh1.visible && e.mesh2.visible;
e.line.visible = i;
});
}
/**
* 隐藏所有直线连接
*/
hideLineConnections() {
this.lineConnections.forEach((e) => {
e.line.visible = !1;
});
}
/**
* 更新直线连接的位置和可见性
*/
updateLineConnections() {
this.lineConnections.forEach((e) => {
e.line.scale.set(1, 1, 1), e.line.position.set(0, 0, 0), e.line.rotation.set(0, 0, 0);
const s = e.line.geometry.attributes.position;
s.setXYZ(0, e.mesh1.position.x, e.mesh1.position.y, e.mesh1.position.z), s.setXYZ(1, e.mesh2.position.x, e.mesh2.position.y, e.mesh2.position.z), s.needsUpdate = !0;
const n = e.mesh1.visible && e.mesh2.visible;
e.line.visible = n;
});
}
setScaleByCamera(e) {
this.lastCamera = e, this.applySphereScaling(e), this.applyLineScaling(e), this.needsInitialScaling && requestAnimationFrame(() => {
this.applySphereScaling(e), this.applyLineScaling(e);
}), this.needsInitialScaling = !1;
}
}
function E() {
const a = new t.SphereGeometry(0.03, 16, 16), e = new t.MeshBasicMaterial({
color: 16776960,
side: t.DoubleSide,
transparent: !0,
opacity: 1,
depthTest: !1,
depthWrite: !1
}), i = new t.Mesh(a, e);
i.name = "ScaleHelperSphere", i.renderOrder = m.SCALE_HELPER_SPHERE;
const s = 0.03 * 4, n = new t.SphereGeometry(s, 16, 16), o = new t.MeshBasicMaterial({
transparent: !0,
opacity: 0,
// 完全透明
side: t.DoubleSide,
depthTest: !1,
depthWrite: !1
}), r = new t.Mesh(n, o);
return r.name = "ScaleHelperTransparentGroup", r.renderOrder = m.SCALE_HELPER_SPHERE, r.add(i), r;
}
function w(l, a) {
const e = new t.BufferGeometry(), i = [l, a];
e.setFromPoints(i);
const s = new t.LineBasicMaterial({
color: 16776960,
// 黄色，与球的颜色一致
opacity: 0.75,
transparent: !0,
depthTest: !1,
depthWrite: !1
}), n = new t.Line(e, s);
return n.name = "ScaleHelperSolidLine", n.renderOrder = m.SCALE_HELPER_LINE, n.raycast = () => {
}, n;
}
export {
O as ScaleHelper
};