From 80906106baceca67dd1d767d342889cd359d8600 Mon Sep 17 00:00:00 2001
From: liteng <930372551@qq.com>
Date: Thu, 20 Sep 2018 12:31:21 +0800
Subject: [PATCH] PhysicalLight

---
 .../src/object/light/PhysicalLight.js         | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 ShadowEditor.Web/src/object/light/PhysicalLight.js

diff --git a/ShadowEditor.Web/src/object/light/PhysicalLight.js b/ShadowEditor.Web/src/object/light/PhysicalLight.js
new file mode 100644
index 00000000..67cccc42
--- /dev/null
+++ b/ShadowEditor.Web/src/object/light/PhysicalLight.js
@@ -0,0 +1,53 @@
+// ref for lumens: http://www.power-sure.com/lumens.htm
+var bulbLuminousPowers = {
+    "110000 lm (1000W)": 110000,
+    "3500 lm (300W)": 3500,
+    "1700 lm (100W)": 1700,
+    "800 lm (60W)": 800,
+    "400 lm (40W)": 400,
+    "180 lm (25W)": 180,
+    "20 lm (4W)": 20,
+    "Off": 0
+};
+
+// ref for solar irradiances: https://en.wikipedia.org/wiki/Lux
+var hemiLuminousIrradiances = {
+    "0.0001 lx (无月之夜)": 0.0001,
+    "0.002 lx (夜晚辉光)": 0.002,
+    "0.5 lx (满月)": 0.5,
+    "3.4 lx (城市暮光)": 3.4,
+    "50 lx (客厅)": 50,
+    "100 lx (很阴沉)": 100,
+    "350 lx (办公室)": 350,
+    "400 lx (日出日落)": 400,
+    "1000 lx (阴沉)": 1000,
+    "18000 lx (阳光)": 18000,
+    "50000 lx (太阳直射)": 50000
+};
+
+var params = {
+    shadows: true,
+    exposure: 0.68,
+    bulbPower: Object.keys(bulbLuminousPowers)[4],
+    hemiIrradiance: Object.keys(hemiLuminousIrradiances)[0]
+};
+
+/**
+ * 物理光源
+ */
+function PhysicalLight(color, intensity, distance, decay) {
+    THREE.PointLight.call(this, color, intensity, distance, decay);
+
+    var bulbGeometry = new THREE.SphereBufferGeometry(0.02, 16, 8);
+    var bulbMat = new THREE.MeshStandardMaterial({
+        emissive: 0xffffee,
+        emissiveIntensity: 1,
+        color: new THREE.Color(color)
+    });
+    this.add(new THREE.Mesh(bulbGeometry, bulbMat));
+}
+
+PhysicalLight.prototype = Object.create(THREE.PhysicalLight.prototype);
+PhysicalLight.prototype.constructor = PhysicalLight;
+
+export default PhysicalLight;
\ No newline at end of file