From 38e3e6ce018a8fb16c4a0cf7ad56fd2aec875698 Mon Sep 17 00:00:00 2001
From: skaljac <skaljac@gmail.com>
Date: Tue, 30 Nov 2021 17:03:02 +0100
Subject: [PATCH 1/3] Wind parameters added

---
 avatars/avatars.js   | 39 +++++++++++++++++++++++++++++++++++++++
 metaversefile-api.js |  3 +++
 world.js             |  2 ++
 3 files changed, 44 insertions(+)

diff --git a/avatars/avatars.js b/avatars/avatars.js
index fbdd851b63..eb8e7cac95 100644
--- a/avatars/avatars.js
+++ b/avatars/avatars.js
@@ -2289,6 +2289,45 @@ class Avatar {
     };
     this.options.visemes && _updateVisemes();
 
+    const _applyWind = () => {
+
+      const windParameters = metaversefile.useWorld().getWindParameters();
+
+      if (windParameters.forceFactor != 0) {
+
+        const now2 = this.now / 1000 * 2;
+        var noiseX = (simplexes[0].noise2D(now2, now2));
+        var noiseY = (simplexes[1].noise2D(now2, now2));
+        var noiseZ = (simplexes[2].noise2D(now2, now2));
+
+        noiseX = (Math.abs(noiseX) * windParameters.direction.x) + windParameters.gravity.x;
+        noiseY = (Math.abs(noiseY) * windParameters.direction.y) + windParameters.gravity.y;
+        noiseZ = (Math.abs(noiseZ) * windParameters.direction.z) + windParameters.gravity.z;
+
+        for(var i=0;i<this.springBoneManager.springBoneGroupList.length;i++) {
+            for(var j=0;j<this.springBoneManager.springBoneGroupList[i].length;j++) {
+                var item = this.springBoneManager.springBoneGroupList[i][j];
+                item.gravityDir.set(noiseX,noiseY,noiseZ);
+                item.gravityPower = windParameters.forceFactor;
+            }
+        }
+      }
+      else {
+        for(var i=0;i<this.springBoneManager.springBoneGroupList.length;i++) {
+          for(var j=0;j<this.springBoneManager.springBoneGroupList[i].length;j++) {
+              var item = this.springBoneManager.springBoneGroupList[i][j];
+              item.gravityDir.set(0,-1,0);
+              item.gravityPower = 1.0;
+          }
+        }
+      }
+
+    };      
+    _applyWind();
+
+    //console.log(metaversefile.useWorld());
+
+
     /* if (this.debugMeshes) {
       if (this.getTopEnabled()) {
         this.getHandEnabled(0) && this.outputs.leftHand.quaternion.multiply(rightRotation); // center
diff --git a/metaversefile-api.js b/metaversefile-api.js
index 22a6f29833..d51f0b1e0d 100644
--- a/metaversefile-api.js
+++ b/metaversefile-api.js
@@ -469,6 +469,9 @@ metaversefile.setApi({
       getLights() {
         return world.lights;
       },
+      getWindParameters() {
+        return world.windParameters;
+      },
     };
   },
   usePostProcessing() {
diff --git a/world.js b/world.js
index 61f686c35f..47ca158443 100644
--- a/world.js
+++ b/world.js
@@ -25,6 +25,8 @@ const appManager = new AppManager({
 });
 world.appManager = appManager;
 
+world.windParameters = {};
+
 
 world.lights = new THREE.Object3D();
 scene.add(world.lights);

From 728c4e74179f3e03ca7cd55add6ef1438a88098e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bojan=20=C5=A0kaljac?= <skaljac@gmail.com>
Date: Tue, 30 Nov 2021 18:33:55 +0100
Subject: [PATCH 2/3] Small change in parameters check

---
 avatars/avatars.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/avatars/avatars.js b/avatars/avatars.js
index eb8e7cac95..1eecb943db 100644
--- a/avatars/avatars.js
+++ b/avatars/avatars.js
@@ -2293,7 +2293,7 @@ class Avatar {
 
       const windParameters = metaversefile.useWorld().getWindParameters();
 
-      if (windParameters.forceFactor != 0) {
+      if (windParameters.forceFactor != 0 && windParameters.direction && windParameters.gravity) {
 
         const now2 = this.now / 1000 * 2;
         var noiseX = (simplexes[0].noise2D(now2, now2));

From d005499ad1096116b3ab7093b3dc73a3abae8fe7 Mon Sep 17 00:00:00 2001
From: skaljac <skaljac@gmail.com>
Date: Thu, 2 Dec 2021 17:58:16 +0100
Subject: [PATCH 3/3] Wind parameters optimization

---
 avatars/avatars.js | 53 +++++++++++++++++++++++++++++-----------------
 1 file changed, 33 insertions(+), 20 deletions(-)

diff --git a/avatars/avatars.js b/avatars/avatars.js
index 1eecb943db..dd4bcbf1b8 100644
--- a/avatars/avatars.js
+++ b/avatars/avatars.js
@@ -2293,35 +2293,48 @@ class Avatar {
 
       const windParameters = metaversefile.useWorld().getWindParameters();
 
-      if (windParameters.forceFactor != 0 && windParameters.direction && windParameters.gravity) {
+      if (windParameters.refreshTime === undefined) {
+        windParameters.refreshTime = this.now;
+      }
+      if (windParameters.refreshDelay === undefined) {
+        windParameters.refreshDelay = 100.0;
+      }
+
+      if (this.now > windParameters.refreshTime) {
+
+        if (windParameters.forceFactor != 0 && windParameters.direction) {
 
-        const now2 = this.now / 1000 * 2;
-        var noiseX = (simplexes[0].noise2D(now2, now2));
-        var noiseY = (simplexes[1].noise2D(now2, now2));
-        var noiseZ = (simplexes[2].noise2D(now2, now2));
+          const now2 = this.now / 1000 * 2;
+          var noiseX = (simplexes[0].noise2D(now2, now2));
+          var noiseY = (simplexes[1].noise2D(now2, now2));
+          var noiseZ = (simplexes[2].noise2D(now2, now2));
 
-        noiseX = (Math.abs(noiseX) * windParameters.direction.x) + windParameters.gravity.x;
-        noiseY = (Math.abs(noiseY) * windParameters.direction.y) + windParameters.gravity.y;
-        noiseZ = (Math.abs(noiseZ) * windParameters.direction.z) + windParameters.gravity.z;
+          noiseX = (Math.abs(noiseX) * windParameters.direction.x);
+          noiseY = (Math.abs(noiseY) * windParameters.direction.y);
+          noiseZ = (Math.abs(noiseZ) * windParameters.direction.z);
 
-        for(var i=0;i<this.springBoneManager.springBoneGroupList.length;i++) {
+          for(var i=0;i<this.springBoneManager.springBoneGroupList.length;i++) {
+              for(var j=0;j<this.springBoneManager.springBoneGroupList[i].length;j++) {
+                  var item = this.springBoneManager.springBoneGroupList[i][j];
+                  item.gravityDir.set(noiseX,noiseY,noiseZ);
+                  item.gravityPower = windParameters.forceFactor;
+              }
+          }
+          windParameters.refreshTime = this.now + windParameters.refreshDelay;
+        }
+        else {
+          for(var i=0;i<this.springBoneManager.springBoneGroupList.length;i++) {
             for(var j=0;j<this.springBoneManager.springBoneGroupList[i].length;j++) {
                 var item = this.springBoneManager.springBoneGroupList[i][j];
-                item.gravityDir.set(noiseX,noiseY,noiseZ);
-                item.gravityPower = windParameters.forceFactor;
+                item.gravityDir.set(0,-1,0);
+                item.gravityPower = 1.0;
             }
-        }
-      }
-      else {
-        for(var i=0;i<this.springBoneManager.springBoneGroupList.length;i++) {
-          for(var j=0;j<this.springBoneManager.springBoneGroupList[i].length;j++) {
-              var item = this.springBoneManager.springBoneGroupList[i][j];
-              item.gravityDir.set(0,-1,0);
-              item.gravityPower = 1.0;
           }
+
+          windParameters.refreshTime = this.now + 10000.0; // 10s
         }
-      }
 
+      }
     };      
     _applyWind();