Add physics simulation GUI controls, implement dynamic blending, restore camera lock toggle, update oscillation formulas with decay/freq multiplies

js/app.js

@@ -134,9 +134,6 @@ guiOptions.resetPose();
 
 const cameraFolder = gui.addFolder("Camera");
 const cameraPose = cameraFolder.addFolder("Camera Pose");
-cameraPose.add(guiOptions, "cameraLocked").name("Lock Camera").onChange((v) => {
-  if (guiOptions.orbit) orbitControls.enabled = !v;
-});
 cameraPose.add(camera.position, "x", -10, 10, 0.01).name("X").listen();
 cameraPose.add(camera.position, "y", -10, 10, 0.01).name("Y").listen();
 cameraPose.add(camera.position, "z", -10, 10, 0.01).name("Z").listen();
@@ -241,6 +238,9 @@ secondGui.add(guiOptions, "loadFromTextAction").name("Load URL");
 
 cameraFolder.add(guiOptions, "resetPose").name("Reset pose");
 cameraFolder.add(guiOptions, "autoRotate").name("Auto rotate").listen();
+cameraFolder.add(guiOptions, "cameraLocked").name("Lock Camera").onChange((v) => {
+  if (guiOptions.orbit) orbitControls.enabled = !v;
+});
 // cameraFolder.add(guiOptions, "orbit").name("Orbit controls").listen().onChange((v) => {
 //   orbitControls.enabled = v;
 //   canvas.focus();
@@ -273,6 +273,10 @@ const bounceBaseDisplacement = dyno.dynoVec3(new THREE.Vector3(0, 0, 0));
 const dragIntensity = dyno.dynoFloat(5.0);
 const bounceAmount = dyno.dynoFloat(0.5);
 const bounceSpeed = dyno.dynoFloat(0.5);
+const mode1Decay = dyno.dynoFloat(2.0);
+const mode2Decay = dyno.dynoFloat(4.0);
+const mode2FreqMult = dyno.dynoFloat(2.5);
+const modeMix = dyno.dynoFloat(0.8);
 
 let isBouncing = false;
 let isDragging = false;
@@ -289,6 +293,10 @@ deformFolder.add(dragIntensity, "value", 0, 10.0, 0.1).name("Strength").onChange
 deformFolder.add(dragRadius, "value", 0.25, 1.0, 0.1).name("Radius").onChange(updateFrameSplats);
 deformFolder.add(bounceAmount, "value", 0, 1.0, 0.1).name("Bounce Strength").onChange(updateFrameSplats);
 deformFolder.add(bounceSpeed, "value", 0, 1.0, 0.01).name("Bounce Speed").onChange(updateFrameSplats);
+deformFolder.add(mode1Decay, "value", 0.1, 10.0, 0.1).name("Primary Decay").onChange(updateFrameSplats);
+deformFolder.add(mode2Decay, "value", 0.1, 10.0, 0.1).name("Secondary Decay").onChange(updateFrameSplats);
+deformFolder.add(mode2FreqMult, "value", 1.0, 10.0, 0.1).name("Secondary Freq").onChange(updateFrameSplats);
+deformFolder.add(modeMix, "value", 0.0, 1.0, 0.01).name("Mode Mix").onChange(updateFrameSplats);
 
 function makeWorldModifier(mesh) {
   const context = mesh.context;
@@ -306,6 +314,10 @@ function makeWorldModifier(mesh) {
         dragIntensity: "float",
         bounceAmount: "float",
         bounceSpeed: "float",
+        mode1Decay: "float",
+        mode2Decay: "float",
+        mode2FreqMult: "float",
+        modeMix: "float",
       },
       outTypes: { gsplat: dyno.Gsplat },
       statements: ({ inputs, outputs }) => dyno.unindentLines(`
@@ -337,14 +349,14 @@ function makeWorldModifier(mesh) {
         
         // IMPROVEMENT: Multi-frequency Oscillation (Harmonics)
         // Primary low-frequency mode (bulk motion)
-        float mode1 = cos(time * bounceFrequency) * exp(-time * 2.0 * (1.0 - ${inputs.bounceAmount} * 0.9));
+        float mode1 = cos(time * bounceFrequency) * exp(-time * ${inputs.mode1Decay} * (1.0 - ${inputs.bounceAmount} * 0.9));
         
         // Secondary high-frequency mode (surface wobble/jiggle)
         // Higher frequency (2.5x) and faster decay
-        float mode2 = cos(time * bounceFrequency * 2.5) * exp(-time * 4.0 * (1.0 - ${inputs.bounceAmount} * 0.9));
+        float mode2 = cos(time * bounceFrequency * ${inputs.mode2FreqMult}) * exp(-time * ${inputs.mode2Decay} * (1.0 - ${inputs.bounceAmount} * 0.9));
         
         // Blend the modes (80% bulk, 20% wobble)
-        float oscillation = 0.8 * mode1 + 0.2 * mode2;
+        float oscillation = ${inputs.modeMix} * mode1 + (1.0 - ${inputs.modeMix}) * mode2;
 
         originalPos += bounceOffset * oscillation;
 
@@ -364,6 +376,10 @@ function makeWorldModifier(mesh) {
       dragIntensity,
       bounceAmount,
       bounceSpeed,
+      mode1Decay,
+      mode2Decay,
+      mode2FreqMult,
+      modeMix,
     }).gsplat;
 
     // 3. Apply Clipping (on the deformed splat)