Merge branch 'master' into select-block

2020-04-30 17:21:10 +08:00
parent 5bccd97ab1 85db279fab
commit d266b5ac2d
75 changed files with 5897 additions and 2143 deletions
--- a/dist/Orbit.js
+++ b/dist/Orbit.js
@@ -0,0 +1,86 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var three_1 = require("three");
+/**
+ * 轨道控制的数学类,观察向量和角度的互相转换
+ * 当x当抬头或者低头到90度时,触发万向锁.
+ *
+ * @class Orbit
+ */
+var Orbit = /** @class */ (function () {
+    function Orbit() {
+        //抬头低头 正数抬头 负数低头
+        this.m_RoX = 0;
+        //身体旋转 0为正右边 逆时针旋转
+        this.RoZ = 0;
+    }
+    Object.defineProperty(Orbit.prototype, "RoX", {
+        get: function () {
+            return this.m_RoX;
+        },
+        set: function (v) {
+            this.m_RoX = three_1.MathUtils.clamp(v, Math.PI * -0.5, Math.PI * 0.5);
+        },
+        enumerable: true,
+        configurable: true
+    });
+    /**
+     * 使用旋转角度 计算观察向量
+     *
+     * @param {Vector3} [dir] 引用传入,如果传入,那么就不构造新的向量
+     * @returns {Vector3} 返回观察向量
+     * @memberof Orbit
+     */
+    Orbit.prototype.UpdateDirection = function (dir) {
+        var rtDir = dir ? dir : new three_1.Vector3();
+        rtDir.z = Math.sin(this.m_RoX);
+        //归一化专用.
+        var d = Math.abs(Math.cos(this.m_RoX));
+        rtDir.x = Math.cos(this.RoZ) * d;
+        rtDir.y = Math.sin(this.RoZ) * d;
+        return rtDir;
+    };
+    /**
+     * 使用观察向量,计算旋转角度
+     *
+     * @param {Vector3} dir
+     * @memberof Orbit
+     */
+    Orbit.prototype.UpdateRoValue = function (dir) {
+        dir.normalize();
+        this.m_RoX = Math.asin(dir.z);
+        if (dir.x < 1e-4 && dir.y < 1e-4)
+            this.RoZ = Math.PI * 0.5;
+        else
+            this.RoZ = Math.atan2(dir.y, dir.x);
+    };
+    /**
+     *
+     * 根据观察向量 求头部的向量.
+     *
+     * @static
+     * @param {Vector3} dir
+     * @param {Vector3} [up]
+     * @returns {Vector3}
+     * @memberof Orbit
+     */
+    Orbit.ComputUpDirection = function (dir, up) {
+        var upRes = up ? up : new three_1.Vector3();
+        if (dir.equals(new three_1.Vector3(0, 0, -1))) {
+            upRes.set(0, 1, 0);
+        }
+        else if (dir.equals(new three_1.Vector3(0, 0, 1))) {
+            upRes.set(0, -1, 0);
+        }
+        else {
+            var xv = new three_1.Vector3();
+            xv.crossVectors(new three_1.Vector3(0, 0, 1), dir);
+            upRes.crossVectors(dir, xv);
+            upRes.normalize();
+        }
+        return upRes;
+    };
+    return Orbit;
+}());
+exports.Orbit = Orbit;
+//# sourceMappingURL=Orbit.js.map