From 7cb5605b5434e7f87116f4f78f0d226ae230df87 Mon Sep 17 00:00:00 2001
From: Dennis Postma <dennis@directonline.io>
Date: Thu, 3 Apr 2025 03:20:47 +0200
Subject: [PATCH] Multiple fixes

---
 src/App.vue                            |   5 ++
 src/components/DropZone.vue            |  75 +++++++---------
 src/components/MainContent.vue         | 107 +++++++++++++++++-----
 src/components/PreviewModal.vue        | 120 +++++++++++++++++++++----
 src/components/Sidebar.vue             |   8 +-
 src/components/SpriteList.vue          |   2 +-
 src/composables/useSpritesheetStore.ts |  77 +++++++++-------
 7 files changed, 270 insertions(+), 124 deletions(-)

diff --git a/src/App.vue b/src/App.vue
index a1d6e09..ae2f319 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,6 +1,11 @@
 <template>
   <div class="min-h-screen bg-gray-900 text-gray-200 font-sans">
     <app-header @toggle-help="showHelpModal" />
+    <div class="max-w-7xl mx-auto px-6">
+      <div class="bg-blue-500 bg-opacity-10 border-l-4 border-blue-500 p-4 mt-6 rounded-r">
+        <p>Container size will adjust to fit the largest sprite. All sprites will be placed in cells of the same size.</p>
+      </div>
+    </div>
     <div class="max-w-7xl mx-auto p-6 grid grid-cols-1 lg:grid-cols-4 gap-6">
       <sidebar class="lg:col-span-1" />
       <main-content class="lg:col-span-3" />
diff --git a/src/components/DropZone.vue b/src/components/DropZone.vue
index 6ae4fa6..44fc773 100644
--- a/src/components/DropZone.vue
+++ b/src/components/DropZone.vue
@@ -47,9 +47,7 @@
   };
 
   const handleFiles = async (files: FileList) => {
-    console.log('Handling files:', files.length);
     const imageFiles = Array.from(files).filter(file => file.type.startsWith('image/'));
-    console.log('Image files filtered:', imageFiles.length);
 
     if (imageFiles.length === 0) {
       store.showNotification('Please upload image files only', 'error');
@@ -61,12 +59,10 @@
 
     for (let i = 0; i < imageFiles.length; i++) {
       const file = imageFiles[i];
-      console.log(`Processing file ${i+1}/${imageFiles.length}:`, file.name, file.type, file.size);
 
       try {
         const sprite = await createSpriteFromFile(file, i);
         newSprites.push(sprite);
-        console.log(`Successfully processed ${file.name}`);
       } catch (error) {
         errorCount++;
         console.error('Error loading sprite:', error);
@@ -75,7 +71,6 @@
     }
 
     if (newSprites.length > 0) {
-      console.log('Adding sprites to store:', newSprites.length);
       store.addSprites(newSprites);
       emit('files-uploaded', newSprites);
       store.showNotification(`Added ${newSprites.length} sprites successfully`);
@@ -86,56 +81,48 @@
 
   const createSpriteFromFile = (file: File, index: number): Promise<Sprite> => {
     return new Promise((resolve, reject) => {
-      const reader = new FileReader();
+      // Create a URL for the file
+      const objectUrl = URL.createObjectURL(file);
 
-      reader.onload = e => {
-        if (!e.target?.result) {
-          console.error('Failed to read file:', file.name);
-          reject(new Error(`Failed to read file: ${file.name}`));
+      const img = new Image();
+
+      // Set up event handlers
+      img.onload = () => {
+        // Verify the image has loaded properly
+        if (img.width === 0 || img.height === 0) {
+          console.error('Image loaded with invalid dimensions:', file.name, img.width, img.height);
+          URL.revokeObjectURL(objectUrl);
+          reject(new Error(`Image has invalid dimensions: ${file.name}`));
           return;
         }
 
-        const img = new Image();
-
-        // Set crossOrigin to anonymous to handle CORS issues
-        img.crossOrigin = 'anonymous';
-
-        img.onload = () => {
-          // Verify the image has loaded properly
-          if (img.width === 0 || img.height === 0) {
-            console.error('Image loaded with invalid dimensions:', file.name, img.width, img.height);
-            reject(new Error(`Image has invalid dimensions: ${file.name}`));
-            return;
-          }
-
-          console.log('Sprite created successfully:', file.name, img.width, img.height);
-          resolve({
-            img,
-            width: img.width,
-            height: img.height,
-            x: 0,
-            y: 0,
-            name: file.name,
-            id: `sprite-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
-            uploadOrder: index,
-          });
+        // Create the sprite object
+        const sprite: Sprite = {
+          img,
+          width: img.width,
+          height: img.height,
+          x: 0,
+          y: 0,
+          name: file.name,
+          id: `sprite-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
+          uploadOrder: index,
         };
 
-        img.onerror = (error) => {
-          console.error('Error loading image:', file.name, error);
-          reject(new Error(`Failed to load image: ${file.name}`));
-        };
+        // Keep the objectUrl reference and don't revoke it yet
+        // The image is still needed for rendering later
+        // URL.revokeObjectURL(objectUrl); - Don't do this anymore
 
-        // Set the source after setting up event handlers
-        img.src = e.target.result as string;
+        resolve(sprite);
       };
 
-      reader.onerror = (error) => {
-        console.error('Error reading file:', file.name, error);
-        reject(new Error(`Error reading file: ${file.name}`));
+      img.onerror = error => {
+        console.error('Error loading image:', file.name, error);
+        URL.revokeObjectURL(objectUrl);
+        reject(new Error(`Failed to load image: ${file.name}`));
       };
 
-      reader.readAsDataURL(file);
+      // Set the source to the object URL
+      img.src = objectUrl;
     });
   };
 </script>
diff --git a/src/components/MainContent.vue b/src/components/MainContent.vue
index 054ae14..56f9424 100644
--- a/src/components/MainContent.vue
+++ b/src/components/MainContent.vue
@@ -39,17 +39,24 @@
   }));
 
   const setupCheckerboardPattern = () => {
-    if (!canvasEl.value) return;
+    if (!canvasEl.value) {
+      console.error('MainContent: Canvas element not available for checkerboard pattern');
+      return;
+    }
 
-    // This will be done with CSS using Tailwind's bg utilities
-    canvasEl.value.style.backgroundImage = `
-    linear-gradient(45deg, #1a1a1a 25%, transparent 25%),
-    linear-gradient(-45deg, #1a1a1a 25%, transparent 25%),
-    linear-gradient(45deg, transparent 75%, #1a1a1a 75%),
-    linear-gradient(-45deg, transparent 75%, #1a1a1a 75%)
-  `;
-    canvasEl.value.style.backgroundSize = '20px 20px';
-    canvasEl.value.style.backgroundPosition = '0 0, 0 10px, 10px -10px, -10px 0px';
+    try {
+      // This will be done with CSS using Tailwind's bg utilities
+      canvasEl.value.style.backgroundImage = `
+      linear-gradient(45deg, #1a1a1a 25%, transparent 25%),
+      linear-gradient(-45deg, #1a1a1a 25%, transparent 25%),
+      linear-gradient(45deg, transparent 75%, #1a1a1a 75%),
+      linear-gradient(-45deg, transparent 75%, #1a1a1a 75%)
+    `;
+      canvasEl.value.style.backgroundSize = '20px 20px';
+      canvasEl.value.style.backgroundPosition = '0 0, 0 10px, 10px -10px, -10px 0px';
+    } catch (error) {
+      console.error('MainContent: Error setting up checkerboard pattern:', error);
+    }
   };
 
   const handleMouseDown = (e: MouseEvent) => {
@@ -85,8 +92,9 @@
     if (canvasEl.value && cellX >= 0 && cellX < canvasEl.value.width / store.cellSize.width && cellY >= 0 && cellY < canvasEl.value.height / store.cellSize.height) {
       isTooltipVisible.value = true;
       tooltipText.value = `Cell: (${cellX}, ${cellY})`;
-      tooltipPosition.value.x = e.clientX;
-      tooltipPosition.value.y = e.clientY;
+      // Use pageX and pageY instead of clientX and clientY
+      tooltipPosition.value.x = e.pageX;
+      tooltipPosition.value.y = e.pageY;
     } else {
       isTooltipVisible.value = false;
     }
@@ -106,12 +114,15 @@
         // Calculate cell boundaries
         const cellLeft = cellX * store.cellSize.width;
         const cellTop = cellY * store.cellSize.height;
-        const cellRight = cellLeft + store.cellSize.width - store.draggedSprite.value.width;
-        const cellBottom = cellTop + store.cellSize.height - store.draggedSprite.value.height;
+        const cellRight = cellLeft + store.cellSize.width - store.draggedSprite.value.img.width;
+        const cellBottom = cellTop + store.cellSize.height - store.draggedSprite.value.img.height;
 
         // Constrain position to stay within the cell
         store.draggedSprite.value.x = Math.max(cellLeft, Math.min(newX, cellRight));
         store.draggedSprite.value.y = Math.max(cellTop, Math.min(newY, cellBottom));
+
+        // Trigger a re-render
+        store.renderSpritesheetPreview();
       } else {
         // Calculate new position based on grid cells (snap to grid)
         const newCellX = Math.floor((x - store.dragOffset.x) / store.cellSize.width);
@@ -127,6 +138,9 @@
 
           store.draggedSprite.value.x = boundedCellX * store.cellSize.width;
           store.draggedSprite.value.y = boundedCellY * store.cellSize.height;
+
+          // Trigger a re-render
+          store.renderSpritesheetPreview();
         }
       }
     }
@@ -154,31 +168,80 @@
   };
 
   const setupCanvasEvents = () => {
-    if (!canvasEl.value) return;
+    if (!canvasEl.value) {
+      console.error('MainContent: Canvas element not available for event setup');
+      return;
+    }
 
-    canvasEl.value.addEventListener('mousedown', handleMouseDown);
-    canvasEl.value.addEventListener('mousemove', handleMouseMove);
-    canvasEl.value.addEventListener('mouseup', handleMouseUp);
-    canvasEl.value.addEventListener('mouseout', handleMouseOut);
+    try {
+      canvasEl.value.addEventListener('mousedown', handleMouseDown);
+      canvasEl.value.addEventListener('mousemove', handleMouseMove);
+      canvasEl.value.addEventListener('mouseup', handleMouseUp);
+      canvasEl.value.addEventListener('mouseout', handleMouseOut);
+    } catch (error) {
+      console.error('MainContent: Error setting up canvas events:', error);
+    }
   };
 
   onMounted(() => {
-    if (canvasEl.value) {
+    // Initialize canvas immediately
+    initializeCanvas();
+
+    // Also set up a MutationObserver to ensure the canvas is properly initialized
+    // even if there are DOM changes
+    const observer = new MutationObserver(mutations => {
+      initializeCanvas();
+    });
+
+    // Start observing the document with the configured parameters
+    observer.observe(document.body, { childList: true, subtree: true });
+
+    // Clean up the observer after a short time
+    setTimeout(() => {
+      observer.disconnect();
+    }, 2000);
+  });
+
+  const initializeCanvas = () => {
+    if (!canvasEl.value) {
+      console.error('MainContent: Canvas element not found');
+      return;
+    }
+
+    try {
+      // Get the 2D context
+      const context = canvasEl.value.getContext('2d');
+      if (!context) {
+        console.error('MainContent: Failed to get 2D context from canvas');
+        return;
+      }
+
+      // Set the store references
       store.canvas.value = canvasEl.value;
-      store.ctx.value = canvasEl.value.getContext('2d');
+      store.ctx.value = context;
 
       // Initialize canvas size
       canvasEl.value.width = 400;
       canvasEl.value.height = 300;
 
+      // Setup the canvas
       setupCheckerboardPattern();
       setupCanvasEvents();
 
       // Setup keyboard events for modifiers
       window.addEventListener('keydown', handleKeyDown);
       window.addEventListener('keyup', handleKeyUp);
+
+      // Check if we have sprites that need rendering
+      if (store.sprites.value.length > 0) {
+        store.updateCellSize();
+        store.autoArrangeSprites();
+        store.renderSpritesheetPreview();
+      }
+    } catch (error) {
+      console.error('MainContent: Error initializing canvas:', error);
     }
-  });
+  };
 
   onBeforeUnmount(() => {
     window.removeEventListener('keydown', handleKeyDown);
diff --git a/src/components/PreviewModal.vue b/src/components/PreviewModal.vue
index 7c572dd..6dd48a7 100644
--- a/src/components/PreviewModal.vue
+++ b/src/components/PreviewModal.vue
@@ -1,8 +1,8 @@
 <template>
-  <div class="fixed inset-0 bg-black bg-opacity-70 flex items-center justify-center z-50 transition-all duration-300" :class="{ 'opacity-0 invisible': !isModalOpen, 'opacity-100 visible': isModalOpen }" @click.self="closeModal">
-    <div class="bg-gray-800 rounded-lg max-w-4xl max-h-[90vh] overflow-auto shadow-lg transform transition-transform duration-300" :class="{ '-translate-y-5': !isModalOpen, 'translate-y-0': isModalOpen }">
-      <div class="flex items-center justify-between p-4 bg-gray-700 border-b border-gray-600">
-        <div class="flex items-center gap-2 text-lg font-semibold">
+  <div class="fixed inset-0 flex items-center justify-center z-50" :class="{ 'pointer-events-none': !isModalOpen }">
+    <div class="bg-gray-800 rounded-lg max-w-4xl max-h-[90vh] overflow-auto scrollbar-hide shadow-lg pointer-events-auto" :class="{ invisible: !isModalOpen, visible: isModalOpen }" :style="{ transform: `translate3d(${position.x}px, ${position.y + (isModalOpen ? 0 : -20)}px, 0)` }">
+      <div class="flex items-center justify-between p-4 bg-gray-700 border-b border-gray-600 cursor-move" @mousedown="startDrag">
+        <div class="flex items-center gap-2 text-lg font-semibold select-none">
           <i class="fas fa-film text-blue-500"></i>
           <span>Animation Preview</span>
         </div>
@@ -104,17 +104,37 @@
     }
   };
 
-  const openModal = () => {
+  const openModal = async () => {
     if (sprites.value.length === 0) {
       store.showNotification('Please add sprites first', 'error');
       return;
     }
 
+    // Reset position when opening
+    position.value = { x: 0, y: 0 };
+
+    // Reset to first frame
+    currentFrame.value = 0;
+    animation.value.currentFrame = 0;
+
+    // Make sure the canvas is initialized
+    await initializeCanvas();
+
+    // Set modal open state
     store.isModalOpen.value = true;
 
-    // Show the current frame
-    if (!animation.value.isPlaying && sprites.value.length > 0) {
-      store.renderAnimationFrame(currentFrame.value);
+    // Wait for next frame to ensure DOM is updated
+    await new Promise(resolve => requestAnimationFrame(resolve));
+
+    // Set proper canvas size before rendering
+    if (animCanvas.value && store.cellSize.width && store.cellSize.height) {
+      animCanvas.value.width = store.cellSize.width;
+      animCanvas.value.height = store.cellSize.height;
+    }
+
+    // Force render the first frame
+    if (sprites.value.length > 0) {
+      store.renderAnimationFrame(0);
     }
   };
 
@@ -159,23 +179,72 @@
   };
 
   onMounted(() => {
-    if (animCanvas.value) {
-      store.animation.canvas = animCanvas.value;
-      store.animation.ctx = animCanvas.value.getContext('2d');
+    initializeCanvas();
 
-      // Initialize canvas size
-      animCanvas.value.width = 200;
-      animCanvas.value.height = 200;
-
-      // Setup keyboard shortcuts for the modal
-      window.addEventListener('keydown', handleKeyDown);
-    }
+    // Setup keyboard shortcuts for the modal
+    window.addEventListener('keydown', handleKeyDown);
   });
 
+  const initializeCanvas = async () => {
+    if (!animCanvas.value) {
+      console.error('PreviewModal: Animation canvas not found');
+      return;
+    }
+
+    try {
+      // Get the 2D context
+      const context = animCanvas.value.getContext('2d');
+      if (!context) {
+        console.error('PreviewModal: Failed to get 2D context from animation canvas');
+        return;
+      }
+
+      // Set the store references
+      store.animation.canvas = animCanvas.value;
+      store.animation.ctx = context;
+    } catch (error) {
+      console.error('PreviewModal: Error initializing animation canvas:', error);
+    }
+  };
+
   onBeforeUnmount(() => {
     window.removeEventListener('keydown', handleKeyDown);
   });
 
+  // Add these new refs for dragging functionality
+  const position = ref({ x: 0, y: 0 });
+  const isDragging = ref(false);
+  const dragOffset = ref({ x: 0, y: 0 });
+
+  const startDrag = (e: MouseEvent) => {
+    isDragging.value = true;
+    dragOffset.value = {
+      x: e.clientX - position.value.x,
+      y: e.clientY - position.value.y,
+    };
+
+    // Add temporary event listeners
+    window.addEventListener('mousemove', handleDrag);
+    window.addEventListener('mouseup', stopDrag);
+  };
+
+  const handleDrag = (e: MouseEvent) => {
+    if (!isDragging.value) return;
+
+    requestAnimationFrame(() => {
+      position.value = {
+        x: e.clientX - dragOffset.value.x,
+        y: e.clientY - dragOffset.value.y,
+      };
+    });
+  };
+
+  const stopDrag = () => {
+    isDragging.value = false;
+    window.removeEventListener('mousemove', handleDrag);
+    window.removeEventListener('mouseup', stopDrag);
+  };
+
   // Keep currentFrame in sync with animation.currentFrame
   watch(
     () => animation.value.currentFrame,
@@ -205,4 +274,19 @@
     border-radius: 50%;
     cursor: pointer;
   }
+
+  /* Optional: Prevent text selection while dragging */
+  .cursor-move {
+    user-select: none;
+  }
+
+  /* Add these new styles */
+  .scrollbar-hide {
+    -ms-overflow-style: none; /* IE and Edge */
+    scrollbar-width: none; /* Firefox */
+  }
+
+  .scrollbar-hide::-webkit-scrollbar {
+    display: none; /* Chrome, Safari and Opera */
+  }
 </style>
diff --git a/src/components/Sidebar.vue b/src/components/Sidebar.vue
index 9dda202..28f9dff 100644
--- a/src/components/Sidebar.vue
+++ b/src/components/Sidebar.vue
@@ -10,10 +10,6 @@
       </div>
       <div class="p-6">
         <drop-zone @files-uploaded="handleUpload" />
-
-        <div class="bg-blue-500 bg-opacity-10 border-l-4 border-blue-500 p-4 mt-6 rounded-r">
-          <p>Container size will adjust to fit the largest sprite. All sprites will be placed in cells of the same size.</p>
-        </div>
       </div>
     </div>
 
@@ -75,14 +71,14 @@
 
 <script setup lang="ts">
   import { computed } from 'vue';
-  import { useSpritesheetStore } from '../composables/useSpritesheetStore';
+  import { type Sprite, useSpritesheetStore } from '../composables/useSpritesheetStore';
   import DropZone from './DropZone.vue';
   import SpriteList from './SpriteList.vue';
 
   const store = useSpritesheetStore();
   const sprites = computed(() => store.sprites.value);
 
-  const handleUpload = () => {
+  const handleUpload = (sprites: Sprite[]) => {
     // The dropzone component handles adding sprites to the store
     // This is just for event handling if needed
   };
diff --git a/src/components/SpriteList.vue b/src/components/SpriteList.vue
index e20a843..7bd2921 100644
--- a/src/components/SpriteList.vue
+++ b/src/components/SpriteList.vue
@@ -1,7 +1,7 @@
 <template>
   <div v-if="sprites.length === 0" class="text-center text-gray-400 py-8">No sprites uploaded yet</div>
 
-  <div v-else class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 gap-3 max-h-72 overflow-y-auto pr-2">
+  <div v-else class="grid grid-cols-2 gap-3 max-h-72 overflow-y-auto pr-2">
     <div v-for="(sprite, index) in sprites" :key="sprite.id" @click="$emit('spriteClicked', sprite.id)" class="border border-gray-600 rounded bg-gray-700 p-2 text-center transition-all cursor-pointer hover:border-blue-500 hover:-translate-y-0.5 hover:shadow-md">
       <img :src="sprite.img.src" :alt="sprite.name" class="max-w-full max-h-16 mx-auto mb-2 bg-black bg-opacity-20 rounded" />
       <div class="text-xs text-gray-400 truncate">{{ index + 1 }}. {{ truncateName(sprite.name) }}</div>
diff --git a/src/composables/useSpritesheetStore.ts b/src/composables/useSpritesheetStore.ts
index d69736d..8870169 100644
--- a/src/composables/useSpritesheetStore.ts
+++ b/src/composables/useSpritesheetStore.ts
@@ -28,17 +28,17 @@ export interface AnimationState {
   manualUpdate: boolean;
 }
 
-export function useSpritesheetStore() {
-  const sprites = ref<Sprite[]>([]);
-  const canvas = ref<HTMLCanvasElement | null>(null);
-  const ctx = ref<CanvasRenderingContext2D | null>(null);
-  const cellSize = reactive<CellSize>({ width: 0, height: 0 });
-  const columns = ref(4); // Default number of columns
-  const draggedSprite = ref<Sprite | null>(null);
-  const dragOffset = reactive({ x: 0, y: 0 });
-  const isShiftPressed = ref(false);
-  const isModalOpen = ref(false);
+const sprites = ref<Sprite[]>([]);
+const canvas = ref<HTMLCanvasElement | null>(null);
+const ctx = ref<CanvasRenderingContext2D | null>(null);
+const cellSize = reactive<CellSize>({ width: 0, height: 0 });
+const columns = ref(4); // Default number of columns
+const draggedSprite = ref<Sprite | null>(null);
+const dragOffset = reactive({ x: 0, y: 0 });
+const isShiftPressed = ref(false);
+const isModalOpen = ref(false);
 
+export function useSpritesheetStore() {
   const animation = reactive<AnimationState>({
     canvas: null,
     ctx: null,
@@ -58,7 +58,6 @@ export function useSpritesheetStore() {
   });
 
   function addSprites(newSprites: Sprite[]) {
-    console.log('Store: Adding sprites', newSprites.length);
     if (newSprites.length === 0) {
       console.warn('Store: Attempted to add empty sprites array');
       return;
@@ -79,21 +78,17 @@ export function useSpritesheetStore() {
         return;
       }
 
-      console.log('Store: Adding valid sprites', validSprites.length);
       sprites.value.push(...validSprites);
       sprites.value.sort((a, b) => a.uploadOrder - b.uploadOrder);
       updateCellSize();
       autoArrangeSprites();
-      console.log('Store: Sprites added successfully, total count:', sprites.value.length);
     } catch (error) {
       console.error('Store: Error adding sprites:', error);
     }
   }
 
   function updateCellSize() {
-    console.log('Store: Updating cell size');
     if (sprites.value.length === 0) {
-      console.log('Store: No sprites to update cell size');
       return;
     }
 
@@ -115,7 +110,6 @@ export function useSpritesheetStore() {
         return;
       }
 
-      console.log('Store: Cell size calculated', maxWidth, maxHeight);
       cellSize.width = maxWidth;
       cellSize.height = maxHeight;
 
@@ -126,14 +120,11 @@ export function useSpritesheetStore() {
   }
 
   function updateCanvasSize() {
-    console.log('Store: Updating canvas size');
     if (!canvas.value) {
-      console.error('Store: Canvas not available for size update');
       return;
     }
 
     if (sprites.value.length === 0) {
-      console.log('Store: No sprites to determine canvas size');
       return;
     }
 
@@ -150,7 +141,6 @@ export function useSpritesheetStore() {
       const newWidth = cols * cellSize.width;
       const newHeight = rows * cellSize.height;
 
-      console.log('Store: Setting canvas size to', newWidth, newHeight);
       canvas.value.width = newWidth;
       canvas.value.height = newHeight;
     } catch (error) {
@@ -159,9 +149,7 @@ export function useSpritesheetStore() {
   }
 
   function autoArrangeSprites() {
-    console.log('Store: Auto-arranging sprites');
     if (sprites.value.length === 0) {
-      console.log('Store: No sprites to arrange');
       return;
     }
 
@@ -177,52 +165,75 @@ export function useSpritesheetStore() {
 
         sprite.x = column * cellSize.width;
         sprite.y = row * cellSize.height;
-        console.log(`Store: Positioned sprite ${index} at (${sprite.x}, ${sprite.y})`);
       });
 
+      // Check if the canvas is ready before attempting to render
+      if (!ctx.value || !canvas.value) {
+        return;
+      }
+
       renderSpritesheetPreview();
 
       if (!animation.isPlaying && animation.manualUpdate && isModalOpen.value) {
         renderAnimationFrame(animation.currentFrame);
       }
-
-      console.log('Store: Sprites arranged successfully');
     } catch (error) {
       console.error('Store: Error auto-arranging sprites:', error);
     }
   }
 
   function renderSpritesheetPreview(showGrid = true) {
-    console.log('Store: Rendering spritesheet preview');
     if (!ctx.value || !canvas.value) {
-      console.error('Store: Canvas or context not available for rendering');
+      console.error('Store: Canvas or context not available for rendering, will retry when ready');
+
+      // Set up a small delay and retry when elements might be ready
+      setTimeout(() => {
+        if (ctx.value && canvas.value) {
+          renderSpritesheetPreview(showGrid);
+        }
+      }, 100);
       return;
     }
 
     if (sprites.value.length === 0) {
-      console.log('Store: No sprites to render');
       return;
     }
 
     try {
+      // Make sure canvas dimensions are set correctly
+      updateCanvasSize();
+
+      // Clear the canvas
       ctx.value.clearRect(0, 0, canvas.value.width, canvas.value.height);
 
       if (showGrid) {
         drawGrid();
       }
 
+      // Draw each sprite
       sprites.value.forEach((sprite, index) => {
         try {
-          if (!sprite.img || sprite.img.width === 0 || sprite.img.height === 0) {
-            console.warn(`Store: Invalid sprite at index ${index}, skipping render`);
+          if (!sprite.img) {
+            console.warn(`Store: Sprite at index ${index} has no image, skipping render`);
             return;
           }
-          ctx.value!.drawImage(sprite.img, sprite.x, sprite.y);
+
+          if (sprite.img.complete && sprite.img.naturalWidth !== 0) {
+            ctx.value!.drawImage(sprite.img, sprite.x, sprite.y);
+          } else {
+            console.warn(`Store: Sprite image ${index} not fully loaded, setting onload handler`);
+
+            // If image isn't loaded yet, set an onload handler
+            sprite.img.onload = () => {
+              if (ctx.value && canvas.value) {
+                ctx.value.drawImage(sprite.img, sprite.x, sprite.y);
+              }
+            };
+          }
         } catch (spriteError) {
           console.error(`Store: Error rendering sprite at index ${index}:`, spriteError);
         }
       });
-      console.log('Store: Spritesheet preview rendered successfully');
     } catch (error) {
       console.error('Store: Error rendering spritesheet preview:', error);
     }
@@ -314,7 +325,7 @@ export function useSpritesheetStore() {
     });
 
     const link = document.createElement('a');
-    link.download = 'noxious-spritesheet.png';
+    link.download = 'spritesheet.png';
     link.href = tempCanvas.toDataURL('image/png');
     document.body.appendChild(link);
     link.click();