spherical harmonics from light estimation

playcanvas · May 7, 2020 · 2ff789b · 2ff789b · mvaligursky · May 7, 2020
1 parent 9dc4929
commit 2ff789b
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/src/xr/xr-light-estimation.js b/src/xr/xr-light-estimation.js
@@ -37,6 +37,8 @@ Object.assign(pc, function () {
         this._rotation = new pc.Quat();
         this._color = new pc.Color();
 
+        this._sphericalHarmonics = new Float32Array(27);
+
         this._manager.on('start', this._onSessionStart, this);
         this._manager.on('end', this._onSessionEnd, this);
     };
@@ -164,6 +166,9 @@ Object.assign(pc, function () {
         mat4B.setFromAxisAngle(pc.Vec3.RIGHT, 90); // direcitonal light is looking down
         mat4A.mul(mat4B);
         this._rotation.setFromMat4(mat4A);
+
+        // spherical harmonics
+        this._sphericalHarmonics.set(lightEstimate.sphericalHarmonicsCoefficients);
     };
 
     Object.defineProperty(XrLightEstimation.prototype, 'supported', {
@@ -205,6 +210,12 @@ Object.assign(pc, function () {
         }
     });
 
+    Object.defineProperty(XrLightEstimation.prototype, 'sphericalHarmonics', {
+        get: function () {
+            return this._available ? this._sphericalHarmonics : null;
+        }
+    });
+
     return {
         XrLightEstimation: XrLightEstimation
     };