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479
src/components/SpritePreview.vue
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479
src/components/SpritePreview.vue
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<template>
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<div class="spritesheet-preview w-full">
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<!-- Controls Container -->
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<div class="bg-white dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700 p-4">
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<div class="flex flex-col gap-4 sm:flex-row sm:flex-wrap">
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<!-- Playback Controls -->
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<div class="flex items-center gap-2">
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<div class="space-y-2">
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<button @click="togglePlayback" class="flex items-center gap-1.5 bg-blue-500 hover:bg-blue-600 text-white px-4 py-2 rounded-md transition-colors w-full cursor-pointer">
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<span v-if="isPlaying" class="flex items-center gap-1.5">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-5 h-5">
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<path fill-rule="evenodd" d="M6.75 5.25a.75.75 0 01.75-.75H9a.75.75 0 01.75.75v13.5a.75.75 0 01-.75.75H7.5a.75.75 0 01-.75-.75V5.25zm7.5 0A.75.75 0 0115 4.5h1.5a.75.75 0 01.75.75v13.5a.75.75 0 01-.75.75H15a.75.75 0 01-.75-.75V5.25z" clip-rule="evenodd" />
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</svg>
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<span class="hidden sm:inline">Pause</span>
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</span>
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<span v-else class="flex items-center gap-1.5">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-5 h-5">
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<path fill-rule="evenodd" d="M4.5 5.653c0-1.426 1.529-2.33 2.779-1.643l11.54 6.348c1.295.712 1.295 2.573 0 3.285L7.28 19.991c-1.25.687-2.779-.217-2.779-1.643V5.653z" clip-rule="evenodd" />
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</svg>
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<span class="hidden sm:inline">Play</span>
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</span>
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</button>
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<div class="flex items-center gap-1">
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<button @click="previousFrame" class="bg-gray-200 hover:bg-gray-300 dark:bg-gray-700 dark:hover:bg-gray-600 p-2 rounded-md transition-colors duration-200 w-full cursor-pointer" :disabled="isPlaying" :class="{ 'opacity-50 cursor-not-allowed': isPlaying }">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-5 h-5 mx-auto dark:text-gray-200">
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<path fill-rule="evenodd" d="M11.78 5.22a.75.75 0 01.75.75v12.06l4.72-4.72a.75.75 0 111.06 1.06l-6 6a.75.75 0 01-1.06 0l-6-6a.75.75 0 011.06-1.06l4.72 4.72V5.97a.75.75 0 01.75-.75z" clip-rule="evenodd" transform="rotate(90 12 12)" />
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</svg>
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</button>
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<button @click="nextFrame" class="bg-gray-200 hover:bg-gray-300 dark:bg-gray-700 dark:hover:bg-gray-600 p-2 rounded-md transition-colors duration-200 w-full cursor-pointer" :disabled="isPlaying" :class="{ 'opacity-50 cursor-not-allowed': isPlaying }">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-5 h-5 mx-auto dark:text-gray-200">
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<path fill-rule="evenodd" d="M11.78 5.22a.75.75 0 01.75.75v12.06l4.72-4.72a.75.75 0 111.06 1.06l-6 6a.75.75 0 01-1.06 0l-6-6a.75.75 0 011.06-1.06l4.72 4.72V5.97a.75.75 0 01.75-.75z" clip-rule="evenodd" transform="rotate(-90 12 12)" />
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</svg>
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</button>
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</div>
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<!-- Checkboxes -->
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<div class="flex flex-wrap gap-4 items-center">
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<label class="flex items-center gap-2 cursor-pointer">
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<input type="checkbox" v-model="isDraggable" class="w-4 h-4 text-blue-500 focus:ring-blue-400 rounded border-gray-300 dark:border-gray-600 dark:bg-gray-700" />
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<span class="text-sm whitespace-nowrap dark:text-gray-200">Reposition</span>
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</label>
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<label class="flex items-center gap-2 cursor-pointer">
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<input type="checkbox" v-model="showAllSprites" class="w-4 h-4 text-blue-500 focus:ring-blue-400 rounded border-gray-300 dark:border-gray-600 dark:bg-gray-700" />
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<span class="text-sm whitespace-nowrap dark:text-gray-200">Compare sprites</span>
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</label>
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<label class="flex items-center gap-2 cursor-pointer">
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<input type="checkbox" v-model="settingsStore.pixelPerfect" class="w-4 h-4 text-blue-500 focus:ring-blue-400 rounded border-gray-300 dark:border-gray-600 dark:bg-gray-700" @change="drawPreviewCanvas" />
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<span class="text-sm whitespace-nowrap dark:text-gray-200">Pixel perfect</span>
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</label>
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</div>
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</div>
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</div>
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<!-- Frame Controls -->
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<div class="flex-1 min-w-[200px] space-y-6">
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<!-- Frame Navigation -->
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<div class="flex items-center gap-2">
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<span class="text-sm font-medium w-30 dark:text-gray-200">Frame {{ visibleFrameNumber }}/{{ visibleFramesCount }}</span>
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<input type="range" min="0" :max="visibleFrames.length - 1" :value="visibleFrameIndex" @input="handleSliderInput" class="flex-1 h-2 bg-gray-200 dark:bg-gray-700 rounded-lg appearance-none cursor-pointer accent-blue-500" :disabled="isPlaying" :class="{ 'opacity-50': isPlaying }" />
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</div>
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<!-- FPS Control -->
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<div class="flex items-center gap-2">
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<span class="text-sm font-medium w-30 dark:text-gray-200">FPS: {{ fps }}</span>
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<input type="range" min="1" max="60" v-model.number="fps" class="flex-1 h-2 bg-gray-200 dark:bg-gray-700 rounded-lg appearance-none cursor-pointer accent-blue-500" />
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</div>
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<!-- Zoom Control -->
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<div class="flex items-center gap-2">
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<span class="text-sm font-medium w-30 dark:text-gray-200">{{ Math.round(zoom * 100) }}%</span>
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<input type="range" min="0.5" max="5" step="0.1" v-model.number="zoom" class="flex-1 h-2 bg-gray-200 dark:bg-gray-700 rounded-lg appearance-none cursor-pointer accent-blue-500" />
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</div>
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</div>
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</div>
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<div v-if="showAllSprites" class="w-full mt-3">
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<div class="flex items-center mb-2">
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<label class="block text-sm font-medium text-gray-700 dark:text-gray-200">Select visible frames:</label>
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<div class="ml-auto flex gap-2">
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<button @click="showAllFrames" class="px-2 py-1 text-sm bg-blue-500 hover:bg-blue-600 text-white rounded-md transition-colors">Show All</button>
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<button @click="hideAllFrames" class="px-2 py-1 text-sm bg-gray-500 hover:bg-gray-600 text-white rounded-md transition-colors">Hide All</button>
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</div>
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</div>
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<div class="w-full rounded-md border border-gray-300 dark:border-gray-600 shadow-sm focus-within:ring-1 focus-within:ring-blue-500 focus-within:border-blue-500 dark:bg-gray-800">
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<div class="max-h-[200px] overflow-y-auto">
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<div class="grid grid-cols-2 gap-2">
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<div v-for="(sprite, index) in props.sprites" :key="sprite.id" class="flex items-center gap-3 px-3 py-2 hover:bg-gray-50 dark:hover:bg-gray-700 cursor-pointer" @click="toggleHiddenFrame(index)">
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<input type="checkbox" :checked="!hiddenFrames.includes(index)" class="w-4 h-4 text-blue-500 focus:ring-blue-400 rounded border-gray-300 dark:border-gray-600 dark:bg-gray-700" @click.stop @change="toggleHiddenFrame(index)" />
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<div class="w-12 h-12 bg-gray-100 dark:bg-gray-700 rounded flex items-center justify-center overflow-hidden">
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<img :src="sprite.img.src" class="max-w-full max-h-full object-contain" :style="settingsStore.pixelPerfect ? { 'image-rendering': 'pixelated' } : {}" />
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</div>
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<span class="text-sm dark:text-gray-200">Frame {{ index + 1 }}</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="mt-3 relative bg-gray-50 dark:bg-gray-800 border border-gray-300 dark:border-gray-700 rounded-lg mb-6 overflow-auto min-h-[520px] shadow-sm hover:shadow-md transition-shadow duration-200">
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<canvas
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ref="previewCanvasRef"
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@mousedown="startDrag"
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@mousemove="drag"
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@mouseup="stopDrag"
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@mouseleave="stopDrag"
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@touchstart="handleTouchStart"
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@touchmove="handleTouchMove"
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@touchend="stopDrag"
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class="block"
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:class="{ 'cursor-move': isDraggable }"
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:style="{ transform: `scale(${zoom})`, transformOrigin: 'top left', ...(settingsStore.pixelPerfect ? { 'image-rendering': 'pixelated' } : {}) }"
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>
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</canvas>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, onMounted, watch, onUnmounted, computed } from 'vue';
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import { useSettingsStore } from '@/stores/useSettingsStore';
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interface Sprite {
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id: string;
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img: HTMLImageElement;
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width: number;
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height: number;
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x: number;
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y: number;
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}
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const props = defineProps<{
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sprites: Sprite[];
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columns: number;
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}>();
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const emit = defineEmits<{
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(e: 'updateSprite', id: string, x: number, y: number): void;
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}>();
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const previewCanvasRef = ref<HTMLCanvasElement | null>(null);
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const ctx = ref<CanvasRenderingContext2D | null>(null);
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// Preview state
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const currentFrameIndex = ref(0);
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const isPlaying = ref(false);
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const fps = ref(12);
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const zoom = ref(1);
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const isDraggable = ref(false);
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const showAllSprites = ref(false);
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const animationFrameId = ref<number | null>(null);
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const lastFrameTime = ref(0);
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// Dragging state
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const isDragging = ref(false);
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const activeSpriteId = ref<string | null>(null);
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const dragStartX = ref(0);
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const dragStartY = ref(0);
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const spritePosBeforeDrag = ref({ x: 0, y: 0 });
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// Add this after other refs
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const hiddenFrames = ref<number[]>([]);
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// Get settings from store
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const settingsStore = useSettingsStore();
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// Add these computed properties
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const visibleFrames = computed(() => props.sprites.filter((_, index) => !hiddenFrames.value.includes(index)));
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const visibleFramesCount = computed(() => visibleFrames.value.length);
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const visibleFrameIndex = computed(() => {
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return visibleFrames.value.findIndex((_, idx) => idx === visibleFrames.value.findIndex(s => s === props.sprites[currentFrameIndex.value]));
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});
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const visibleFrameNumber = computed(() => visibleFrameIndex.value + 1);
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// Canvas drawing
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const calculateMaxDimensions = () => {
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let maxWidth = 0;
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let maxHeight = 0;
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props.sprites.forEach(sprite => {
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maxWidth = Math.max(maxWidth, sprite.width);
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maxHeight = Math.max(maxHeight, sprite.height);
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});
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return { maxWidth, maxHeight };
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};
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const drawPreviewCanvas = () => {
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if (!previewCanvasRef.value || !ctx.value || props.sprites.length === 0) return;
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const currentSprite = props.sprites[currentFrameIndex.value];
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if (!currentSprite) return;
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const { maxWidth, maxHeight } = calculateMaxDimensions();
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// Apply pixel art optimization consistently from store
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ctx.value.imageSmoothingEnabled = !settingsStore.pixelPerfect;
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// Set canvas size to just fit one sprite cell
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previewCanvasRef.value.width = maxWidth;
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previewCanvasRef.value.height = maxHeight;
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// Clear canvas
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ctx.value.clearRect(0, 0, previewCanvasRef.value.width, previewCanvasRef.value.height);
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// Draw grid background (cell)
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ctx.value.fillStyle = '#f9fafb';
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ctx.value.fillRect(0, 0, maxWidth, maxHeight);
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// Keep pixel art optimization consistent throughout all drawing operations
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ctx.value.imageSmoothingEnabled = !settingsStore.pixelPerfect;
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// Draw all sprites with transparency if enabled
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if (showAllSprites.value && props.sprites.length > 1) {
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ctx.value.globalAlpha = 0.3;
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props.sprites.forEach((sprite, index) => {
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if (index !== currentFrameIndex.value && !hiddenFrames.value.includes(index)) {
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// Use Math.floor for pixel-perfect positioning
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ctx.value?.drawImage(sprite.img, Math.floor(sprite.x), Math.floor(sprite.y));
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}
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});
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ctx.value.globalAlpha = 1.0;
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}
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// Draw current sprite with integer positions for pixel-perfect rendering
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ctx.value.drawImage(currentSprite.img, Math.floor(currentSprite.x), Math.floor(currentSprite.y));
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// Draw cell border
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ctx.value.strokeStyle = '#e5e7eb';
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ctx.value.lineWidth = 1;
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ctx.value.strokeRect(0, 0, maxWidth, maxHeight);
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};
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// Animation control
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const togglePlayback = () => {
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isPlaying.value = !isPlaying.value;
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if (isPlaying.value) {
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startAnimation();
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} else {
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stopAnimation();
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}
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};
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const startAnimation = () => {
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lastFrameTime.value = performance.now();
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animateFrame();
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};
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const stopAnimation = () => {
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if (animationFrameId.value !== null) {
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cancelAnimationFrame(animationFrameId.value);
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animationFrameId.value = null;
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}
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};
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const animateFrame = () => {
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const now = performance.now();
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const elapsed = now - lastFrameTime.value;
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const frameTime = 1000 / fps.value;
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if (elapsed >= frameTime) {
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lastFrameTime.value = now - (elapsed % frameTime);
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nextFrame();
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}
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animationFrameId.value = requestAnimationFrame(animateFrame);
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};
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const nextFrame = () => {
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if (visibleFrames.value.length === 0) return;
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const currentVisibleIndex = visibleFrameIndex.value;
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const nextVisibleIndex = (currentVisibleIndex + 1) % visibleFrames.value.length;
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currentFrameIndex.value = props.sprites.indexOf(visibleFrames.value[nextVisibleIndex]);
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drawPreviewCanvas();
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};
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const previousFrame = () => {
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if (visibleFrames.value.length === 0) return;
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const currentVisibleIndex = visibleFrameIndex.value;
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const prevVisibleIndex = (currentVisibleIndex - 1 + visibleFrames.value.length) % visibleFrames.value.length;
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currentFrameIndex.value = props.sprites.indexOf(visibleFrames.value[prevVisibleIndex]);
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drawPreviewCanvas();
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};
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// Add this method to handle slider input
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const handleSliderInput = (event: Event) => {
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const target = event.target as HTMLInputElement;
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const index = parseInt(target.value);
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currentFrameIndex.value = props.sprites.indexOf(visibleFrames.value[index]);
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};
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// Drag functionality
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const startDrag = (event: MouseEvent) => {
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if (!isDraggable.value || !previewCanvasRef.value) return;
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const rect = previewCanvasRef.value.getBoundingClientRect();
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const scaleX = previewCanvasRef.value.width / (rect.width / zoom.value);
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const scaleY = previewCanvasRef.value.height / (rect.height / zoom.value);
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const mouseX = ((event.clientX - rect.left) / zoom.value) * scaleX;
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const mouseY = ((event.clientY - rect.top) / zoom.value) * scaleY;
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const sprite = props.sprites[currentFrameIndex.value];
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// Check if click is on sprite
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if (sprite && mouseX >= sprite.x && mouseX <= sprite.x + sprite.width && mouseY >= sprite.y && mouseY <= sprite.y + sprite.height) {
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isDragging.value = true;
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activeSpriteId.value = sprite.id;
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dragStartX.value = mouseX;
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dragStartY.value = mouseY;
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spritePosBeforeDrag.value = { x: sprite.x, y: sprite.y };
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}
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};
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const drag = (event: MouseEvent) => {
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if (!isDragging.value || !activeSpriteId.value || !previewCanvasRef.value) return;
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const rect = previewCanvasRef.value.getBoundingClientRect();
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const scaleX = previewCanvasRef.value.width / (rect.width / zoom.value);
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const scaleY = previewCanvasRef.value.height / (rect.height / zoom.value);
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const mouseX = ((event.clientX - rect.left) / zoom.value) * scaleX;
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const mouseY = ((event.clientY - rect.top) / zoom.value) * scaleY;
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const deltaX = Math.round(mouseX - dragStartX.value);
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const deltaY = Math.round(mouseY - dragStartY.value);
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const sprite = props.sprites[currentFrameIndex.value];
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if (!sprite || sprite.id !== activeSpriteId.value) return;
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const { maxWidth, maxHeight } = calculateMaxDimensions();
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// Calculate new position with constraints and round to integers
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let newX = Math.round(spritePosBeforeDrag.value.x + deltaX);
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let newY = Math.round(spritePosBeforeDrag.value.y + deltaY);
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// Constrain movement within cell
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newX = Math.max(0, Math.min(maxWidth - sprite.width, newX));
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newY = Math.max(0, Math.min(maxHeight - sprite.height, newY));
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emit('updateSprite', activeSpriteId.value, newX, newY);
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drawPreviewCanvas();
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};
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const stopDrag = () => {
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isDragging.value = false;
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activeSpriteId.value = null;
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};
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const handleTouchStart = (event: TouchEvent) => {
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if (event.touches.length === 1) {
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const touch = event.touches[0];
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const mouseEvent = new MouseEvent('mousedown', {
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clientX: touch.clientX,
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clientY: touch.clientY,
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});
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startDrag(mouseEvent);
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}
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};
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const handleTouchMove = (event: TouchEvent) => {
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if (event.touches.length === 1) {
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const touch = event.touches[0];
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const mouseEvent = new MouseEvent('mousemove', {
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clientX: touch.clientX,
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clientY: touch.clientY,
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});
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drag(mouseEvent);
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}
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};
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// Lifecycle hooks
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onMounted(() => {
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if (previewCanvasRef.value) {
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ctx.value = previewCanvasRef.value.getContext('2d');
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drawPreviewCanvas();
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}
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// Listen for forceRedraw event from App.vue
|
||||
window.addEventListener('forceRedraw', handleForceRedraw);
|
||||
});
|
||||
|
||||
onUnmounted(() => {
|
||||
stopAnimation();
|
||||
window.removeEventListener('forceRedraw', handleForceRedraw);
|
||||
});
|
||||
|
||||
// Handler for force redraw event
|
||||
const handleForceRedraw = () => {
|
||||
// Ensure we're using integer positions for pixel-perfect rendering
|
||||
props.sprites.forEach(sprite => {
|
||||
sprite.x = Math.floor(sprite.x);
|
||||
sprite.y = Math.floor(sprite.y);
|
||||
});
|
||||
|
||||
// Force a redraw with the correct image smoothing settings
|
||||
if (ctx.value) {
|
||||
ctx.value.imageSmoothingEnabled = !settingsStore.pixelPerfect;
|
||||
drawPreviewCanvas();
|
||||
}
|
||||
};
|
||||
|
||||
// Watchers
|
||||
watch(() => props.sprites, drawPreviewCanvas, { deep: true });
|
||||
watch(currentFrameIndex, drawPreviewCanvas);
|
||||
watch(zoom, drawPreviewCanvas);
|
||||
watch(isDraggable, drawPreviewCanvas);
|
||||
watch(showAllSprites, drawPreviewCanvas);
|
||||
watch(hiddenFrames, drawPreviewCanvas);
|
||||
watch(() => settingsStore.pixelPerfect, drawPreviewCanvas);
|
||||
|
||||
// Initial draw
|
||||
if (props.sprites.length > 0) {
|
||||
drawPreviewCanvas();
|
||||
}
|
||||
|
||||
const toggleHiddenFrame = (index: number) => {
|
||||
const currentIndex = hiddenFrames.value.indexOf(index);
|
||||
if (currentIndex === -1) {
|
||||
// Adding to hidden frames
|
||||
hiddenFrames.value.push(index);
|
||||
|
||||
// If we're hiding the current frame, switch to the next visible frame
|
||||
if (index === currentFrameIndex.value) {
|
||||
const nextVisibleSprite = props.sprites.findIndex((_, i) => i !== index && !hiddenFrames.value.includes(i));
|
||||
if (nextVisibleSprite !== -1) {
|
||||
currentFrameIndex.value = nextVisibleSprite;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// Removing from hidden frames
|
||||
hiddenFrames.value.splice(currentIndex, 1);
|
||||
}
|
||||
|
||||
// Force a redraw
|
||||
drawPreviewCanvas();
|
||||
};
|
||||
|
||||
const showAllFrames = () => {
|
||||
hiddenFrames.value = [];
|
||||
drawPreviewCanvas();
|
||||
};
|
||||
|
||||
const hideAllFrames = () => {
|
||||
hiddenFrames.value = props.sprites.map((_, index) => index);
|
||||
// Keep at least one frame visible
|
||||
if (hiddenFrames.value.length > 0) {
|
||||
hiddenFrames.value.splice(currentFrameIndex.value, 1);
|
||||
}
|
||||
drawPreviewCanvas();
|
||||
};
|
||||
</script>
|
||||
|
||||
<style scoped>
|
||||
/* Custom styling for range inputs */
|
||||
input[type='range']::-webkit-slider-thumb {
|
||||
-webkit-appearance: none;
|
||||
appearance: none;
|
||||
width: 16px;
|
||||
height: 16px;
|
||||
border-radius: 50%;
|
||||
background: #3b82f6;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
input[type='range']::-moz-range-thumb {
|
||||
width: 16px;
|
||||
height: 16px;
|
||||
border-radius: 50%;
|
||||
background: #3b82f6;
|
||||
cursor: pointer;
|
||||
border: none;
|
||||
}
|
||||
</style>
|
||||
Reference in New Issue
Block a user