Multiple scenes picked randomly at startup

scenes/manifest.json

@@ -0,0 +1,7 @@
+[
+    { "scene": "./scenes/damBreak.json", "name": "Dam Break" },
+    { "scene": "./scenes/4Materials.json", "name": "Four Materials"},
+    { "scene": "./scenes/plasticPress.json", "name": "Plastic Press"},
+    { "scene": "./scenes/pyramid.json", "name": "Pyramid"},
+    { "scene": "./scenes/sandPile.json", "name": "SandPile"}
+]

shaders/g2p2g.wgsl

@@ -312,7 +312,7 @@ fn csMain( @builtin(local_invocation_index) indexInGroup: u32, @builtin(workgrou
                             }
                             else if(g_simConstants.mouseFunction == MouseFunctionGrab)
                             {
-                                particle.displacement = 0.7*g_simConstants.mouseVelocity*g_simConstants.deltaTime;
+                                particle.displacement = g_simConstants.mouseVelocity*g_simConstants.deltaTime;
                             }
                         }
                     }

src/main.js

@@ -19,6 +19,9 @@ let g_pause = false;
 
 let g_mouseRadius = 100;
 
+let g_manifest;
+let g_currentSceneName = 'No Scene Loaded'
+
 init();
 
 function init()
@@ -31,7 +34,7 @@ function init()
     // Setup the UI sidebar
     ui.init(() => {g_reset = true;}, () => {g_pause = !g_pause;});
 
-    loadSceneFromUrl('./scenes/damBreak.json');
+    loadScenes()
 
     // Setup sim.
     // Sim will add to the list of insert handlers.
@@ -475,4 +478,15 @@ async function pickLoadScene()
     const [result] = await window.showOpenFilePicker();
     const file = await result.getFile();
     loadScene(JSON.parse(await file.text()));
-}
+}
+
+async function loadScenes()
+{
+    g_manifest = await (await fetch('./scenes/manifest.json')).json();
+
+    let sceneCount = g_manifest.length;
+
+    let randomIndex = Math.floor(Math.random()*sceneCount);
+
+    await loadSceneFromUrl(g_manifest[randomIndex].scene).then(() => {g_currentSceneName = g_manifest[randomIndex].name});
+}