diff --git a/source/EngineGpuKernels/RenderingKernels.cu b/source/EngineGpuKernels/RenderingKernels.cu
index 5d1a96efe..d1f218153 100644
--- a/source/EngineGpuKernels/RenderingKernels.cu
+++ b/source/EngineGpuKernels/RenderingKernels.cu
@@ -513,25 +513,26 @@ __global__ void cudaDrawCells(
         //draw muscle movements
         if (cudaSimulationParameters.muscleMovementVisualization && cell->cellFunction == CellFunction_Muscle
             && (cell->cellFunctionData.muscle.lastMovementX != 0 || cell->cellFunctionData.muscle.lastMovementY != 0)) {
+            float2 lastMovement{cell->cellFunctionData.muscle.lastMovementX, cell->cellFunctionData.muscle.lastMovementY};
+            auto lastMovementLength = Math::length(lastMovement);
+            if (lastMovementLength > 0.05f) {
+                lastMovement = lastMovement / lastMovementLength * 0.05f;
+            }
 
             auto color = float3{0.7f, 0.7f, 0.7f} * min(1.0f, zoom * 0.1f);
-            auto endPos = cell->pos + float2{cell->cellFunctionData.muscle.lastMovementX, cell->cellFunctionData.muscle.lastMovementY} * 100;
+            auto endPos = cell->pos + lastMovement * 100;
             auto endImagePos = mapWorldPosToImagePos(rectUpperLeft, endPos, universeImageSize, zoom);
             if (isLineVisible(cellImagePos, endImagePos, universeImageSize)) {
                 drawLine(cellImagePos, endImagePos, color, imageData, imageSize);
             }
 
-            auto arrowPos1 = endPos + float2{
-                -cell->cellFunctionData.muscle.lastMovementX + cell->cellFunctionData.muscle.lastMovementY,
-                -cell->cellFunctionData.muscle.lastMovementX - cell->cellFunctionData.muscle.lastMovementY} * 20;
+            auto arrowPos1 = endPos + float2{-lastMovement.x + lastMovement.y, -lastMovement.x - lastMovement.y} * 20;
             auto arrowImagePos1 = mapWorldPosToImagePos(rectUpperLeft, arrowPos1, universeImageSize, zoom);
             if (isLineVisible(arrowImagePos1, endImagePos, universeImageSize)) {
                 drawLine(arrowImagePos1, endImagePos, color, imageData, imageSize);
             }
 
-            auto arrowPos2 = endPos + float2{
-                -cell->cellFunctionData.muscle.lastMovementX - cell->cellFunctionData.muscle.lastMovementY,
-                +cell->cellFunctionData.muscle.lastMovementX - cell->cellFunctionData.muscle.lastMovementY} * 20;
+            auto arrowPos2 = endPos + float2{-lastMovement.x - lastMovement.y, +lastMovement.x - lastMovement.y} * 20;
             auto arrowImagePos2 = mapWorldPosToImagePos(rectUpperLeft, arrowPos2, universeImageSize, zoom);
             if (isLineVisible(arrowImagePos2, endImagePos, universeImageSize)) {
                 drawLine(arrowImagePos2, endImagePos, color, imageData, imageSize);
diff --git a/source/Gui/AlienImGui.cpp b/source/Gui/AlienImGui.cpp
index 1a1718a93..281d137f4 100644
--- a/source/Gui/AlienImGui.cpp
+++ b/source/Gui/AlienImGui.cpp
@@ -1346,6 +1346,7 @@ bool AlienImGui::ShowPreviewDescription(PreviewDescription const& desc, float& z
     auto result = false;
 
     auto color = ImGui::GetStyle().Colors[ImGuiCol_WindowBg];
+    auto windowPos = ImGui::GetWindowPos();
     auto windowSize = ImGui::GetWindowSize();
 
     RealVector2D upperLeft;
@@ -1366,6 +1367,9 @@ bool AlienImGui::ShowPreviewDescription(PreviewDescription const& desc, float& z
     }
     RealVector2D previewSize = (lowerRight - upperLeft) * cellSize + RealVector2D(cellSize, cellSize) * 2;
 
+    auto mousePos = ImGui::GetMousePos();
+    auto clickedOnPreviewWindow = ImGui::IsMouseClicked(ImGuiMouseButton_Left) && mousePos.x >= windowPos.x && mousePos.y >= windowPos.y
+        && mousePos.x <= windowPos.x + windowSize.x && mousePos.y <= windowPos.y + windowSize.y;
     ImGui::SetCursorPos({std::max(0.0f, windowSize.x - previewSize.x) / 2, std::max(0.0f, windowSize.y - previewSize.y) / 2});
     if (ImGui::BeginChild("##genome", ImVec2(previewSize.x, previewSize.y), false, ImGuiWindowFlags_HorizontalScrollbar)) {
 
@@ -1396,8 +1400,7 @@ bool AlienImGui::ShowPreviewDescription(PreviewDescription const& desc, float& z
                 }
             }
 
-            if (ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
-                auto mousePos = ImGui::GetMousePos();
+            if (clickedOnPreviewWindow) {
                 if (mousePos.x >= cellPos.x - cellSize / 2 && mousePos.y >= cellPos.y - cellSize / 2 && mousePos.x <= cellPos.x + cellSize / 2
                     && mousePos.y <= cellPos.y + cellSize / 2) {
                     selectedNode = cell.nodeIndex;
diff --git a/source/Gui/OverlayController.cpp b/source/Gui/OverlayController.cpp
index 389c36345..6fb1902b5 100644
--- a/source/Gui/OverlayController.cpp
+++ b/source/Gui/OverlayController.cpp
@@ -91,12 +91,12 @@ void OverlayController::processProgressAnimation()
         auto center = ImVec2{viewSize.x / 2, viewSize.y - scale(60.0f)};
 
         drawList->AddRectFilledMultiColor(
-            ImVec2{center.x - width, center.y - height * 5},
-            ImVec2{center.x, center.y + height},
+            ImVec2{center.x, center.y - height * 5},
+            ImVec2{center.x - width, center.y + height},
             ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f),
+            ImColor::HSV(0.66f, 1.0f, 0.1f,0.0f),
             ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f),
-            ImColor::HSV(0.66f, 1.0f, 0.1f, 1.0f * alpha),
-            ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f));
+            ImColor::HSV(0.66f, 1.0f, 0.1f, 1.0f * alpha));
         drawList->AddRectFilledMultiColor(
             ImVec2{center.x, center.y - height * 5},
             ImVec2{center.x + width, center.y + height},
@@ -105,10 +105,10 @@ void OverlayController::processProgressAnimation()
             ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f),
             ImColor::HSV(0.66f, 1.0f, 0.1f, 1.0f * alpha));
         drawList->AddRectFilledMultiColor(
-            ImVec2{center.x, center.y + height},
-            ImVec2{center.x + width, center.y + height * 6},
-            ImColor::HSV(0.66f, 1.0f, 0.1f, 1.0f * alpha),
+            ImVec2{center.x + width, center.y + height},
+            ImVec2{center.x, center.y + height * 6},
             ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f),
+            ImColor::HSV(0.66f, 1.0f, 0.1f, 1.0f * alpha),
             ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f),
             ImColor::HSV(0.66f, 1.0f, 0.1f, 0.0f));
         drawList->AddRectFilledMultiColor(