Add Viewport Smooth Focus Transition Animation config option

source/creator/core/settings.d

@@ -80,6 +80,13 @@ void incSettingsSet(T)(string name, T value) if (!is(T == string[]))  {
     settings[name] = value;
 }
 
+/**
+    Removes a setting
+*/
+void incSettingsRemove(string name) {
+    settings.object.remove(name);
+}
+
 /**
     Gets a value from the settings store
 */

source/creator/panels/viewport.d

@@ -308,10 +308,23 @@ protected:
         }
         igEndChild();
 
-        // Handle smooth move
-        incViewportZoom = fdampen(incViewportZoom, incViewportTargetZoom, cast(float)deltaTime);
+        handleViewportSmoothMove(camera);
+    }
+
+    /**
+        Handle smooth movement of the viewport
+    */
+    void handleViewportSmoothMove(Camera camera) {
+        if (incIsEnabledSmoothFocus()) {
+            float maxSpeed = incGetViewportSmoothMaxSpeed();
+            float speed = incGetViewportSmoothSpeed();
+            incViewportZoom = fdampen(incViewportZoom, incViewportTargetZoom, cast(float)deltaTime, maxSpeed, speed);
+            camera.position = vec2(fdampen(camera.position, incViewportTargetPosition, cast(float)deltaTime, maxSpeed, speed));
+        } else {
+            incViewportZoom = incViewportTargetZoom;
+            camera.position = incViewportTargetPosition;
+        }
         camera.scale = vec2(incViewportZoom, incViewportZoom);
-        camera.position = vec2(fdampen(camera.position, incViewportTargetPosition, cast(float)deltaTime));
     }
 
 public:
@@ -327,7 +340,7 @@ mixin incPanel!ViewportPanel;
 
 import inmath.util;
 import std.traits;
-V fdampen(V, T)(V current, V target, T delta, T maxSpeed = 50) if(isVector!V && isFloatingPoint!T) {
+V fdampen(V, T)(V current, V target, T delta, T maxSpeed = 50, T conifgSpeed = 5.0) if(isVector!V && isFloatingPoint!T) {
     V out_ = current;
     V diff = current - target;
 
@@ -336,7 +349,7 @@ V fdampen(V, T)(V current, V target, T delta, T maxSpeed = 50) if(isVector!V &&
         V direction = (diff).normalized;
 
         T speed = min(
-            max(0.001, 5.0*(target - current).length) * delta,
+            max(0.001, conifgSpeed*(target - current).length) * delta,
             maxSpeed
         );
         V velocity = direction * speed;
@@ -353,7 +366,7 @@ V fdampen(V, T)(V current, V target, T delta, T maxSpeed = 50) if(isVector!V &&
     return out_;
 }
 
-T fdampen(T)(T current, T target, T delta, T maxSpeed = 50) if(isFloatingPoint!T) {
+T fdampen(T)(T current, T target, T delta, T maxSpeed = 50, T conifgSpeed = 5.0) if(isFloatingPoint!T) {
     T out_ = current;
     T diff = current - target;
     T diffLen = sqrt(diff^^2);
@@ -363,7 +376,7 @@ T fdampen(T)(T current, T target, T delta, T maxSpeed = 50) if(isFloatingPoint!T
     if (diffLen > 0) {
 
         T speed = min(
-            max(0.001, 5.0*sqrt((target - current)^^2)) * delta,
+            max(0.001, conifgSpeed*sqrt((target - current)^^2)) * delta,
             maxSpeed
         );
         T velocity = direction * speed;

source/creator/viewport/package.d

@@ -971,3 +971,37 @@ bool incSetViewportZoomSpeed(float speed) {
     incSettingsSet("ViewportZoomSpeed", speed);
     return true;
 }
+
+/**
+    Viewport smooth focus configuration
+    also see fdampen() function
+*/
+bool incIsEnabledSmoothFocus() {
+    return incSettingsGet!bool("Viewport.EnabledSmoothFocus", true);
+}
+
+void incSetEnabledSmoothFocus(bool enable) {
+    incSettingsSet("Viewport.EnabledSmoothFocus", enable);
+}
+
+float incGetViewportSmoothSpeed() {
+    return incSettingsGet!float("Viewport.SmoothSpeed", 5);
+}
+
+void incSetViewportSmoothSpeed(float speed) {
+    incSettingsSet("Viewport.SmoothSpeed", speed);
+}
+
+float incGetViewportSmoothMaxSpeed() {
+    return incSettingsGet!float("Viewport.SmoothMaxSpeed", 50);
+}
+
+void incSetViewportSmoothMaxSpeed(float speed) {
+    incSettingsSet("Viewport.SmoothMaxSpeed", speed);
+}
+
+void incResetViewportSmoothSpeed() {
+    incSettingsRemove("Viewport.SmoothSpeed");
+    incSettingsRemove("Viewport.SmoothMaxSpeed");
+    incSettingsRemove("Viewport.EnabledSmoothFocus");
+}

source/creator/windows/settings.d

@@ -238,6 +238,27 @@ protected:
                                 incSetViewportZoomSpeed(zoomSpeed);
                             }
                         endSection();
+
+                        beginSection(__("Smooth Focus Transition Animation"));
+                            bool smoothFocus = incIsEnabledSmoothFocus();
+                            if (igCheckbox(__("Enable Smooth Focus Animation"), &smoothFocus))
+                                incSetEnabledSmoothFocus(smoothFocus);
+
+                            igBeginDisabled(!smoothFocus);
+                                float focusSpeed = incGetViewportSmoothSpeed();
+                                if (igDragFloat(__("Focus Speed"), &focusSpeed, 0.01, 0, 100, "%0.2f"))
+                                    incSetViewportSmoothSpeed(focusSpeed);
+
+                                float maxSpeed = incGetViewportSmoothMaxSpeed();
+                                if (igDragFloat(__("Max Speed"), &maxSpeed, 0.01, 0, 1000, "%0.2f"))
+                                    incSetViewportSmoothMaxSpeed(maxSpeed);
+
+                            igEndDisabled();
+
+                            if (igButton(__("Reset##Smooth Focus"), ImVec2(64, 24)))
+                                incResetViewportSmoothSpeed();
+
+                        endSection();
                         break;
                     default:
                         incLabelOver(_("No settings for this category."), ImVec2(0, 0), true);