From fd86dc15734f3b7126d88f0130897c597100e30a Mon Sep 17 00:00:00 2001
From: polwex <polwex@sortug.com>
Date: Thu, 15 May 2025 20:32:25 +0700
Subject: m

---
 src/zoom/animations.ts | 199 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 199 insertions(+)
 create mode 100644 src/zoom/animations.ts

(limited to 'src/zoom/animations.ts')

diff --git a/src/zoom/animations.ts b/src/zoom/animations.ts
new file mode 100644
index 0000000..6135e7f
--- /dev/null
+++ b/src/zoom/animations.ts
@@ -0,0 +1,199 @@
+import type { Variants } from "motion/react";
+
+// Base transition configurations for consistent animations
+const baseTransition = {
+  duration: 0.5,
+  ease: [0.43, 0.13, 0.23, 0.96], // Improved easing for smoother feel
+};
+
+export const fadeTransition = {
+  ...baseTransition,
+  duration: 0.3,
+};
+
+// Shared variants for different view levels
+export const containerVariants: Variants = {
+  text: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+  paragraph: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+  sentence: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+  clause: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+  word: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+  syllable: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+  phoneme: {
+    opacity: 1,
+    transition: {
+      staggerChildren: 0.05,
+      delayChildren: 0.1,
+    },
+  },
+};
+
+// Function to create element variants based on selection state
+export const createElementVariants = (
+  currentLevel: string,
+  nextLevel: string,
+  prevLevel: string,
+  selectedOpacity = 1,
+  unselectedOpacity = 0.1,
+  selectedScale = 1.05,
+  unselectedScale = 0.95,
+  selectedBlur = "0px",
+  unselectedBlur = "2px",
+  bgColor = "rgba(255, 255, 255, 0)", // Use rgba with 0 opacity instead of transparent
+): Variants => {
+  return {
+    [prevLevel]: {
+      opacity: 1,
+      scale: 1,
+      filter: "blur(0px)",
+      backgroundColor: "rgba(255, 255, 255, 0)", // Use rgba with 0 opacity
+      transition: baseTransition,
+    },
+    [currentLevel]: (isSelected: boolean) => ({
+      opacity: isSelected ? selectedOpacity : unselectedOpacity,
+      scale: isSelected ? selectedScale : unselectedScale,
+      filter: isSelected ? `blur(${selectedBlur})` : `blur(${unselectedBlur})`,
+      backgroundColor: isSelected ? bgColor : "rgba(255, 255, 255, 0)", // Use rgba with 0 opacity
+      transition: baseTransition,
+    }),
+    [nextLevel]: (isSelected: boolean) => ({
+      opacity: isSelected ? selectedOpacity : unselectedOpacity / 2,
+      scale: isSelected ? selectedScale : unselectedScale * 0.95,
+      filter: isSelected
+        ? `blur(${selectedBlur})`
+        : `blur(${parseInt(unselectedBlur) + 1}px)`,
+      backgroundColor: isSelected ? bgColor : "rgba(255, 255, 255, 0)", // Use rgba with 0 opacity
+      transition: baseTransition,
+    }),
+  };
+};
+
+// Pre-configured variants for each level
+export const paragraphVariants = createElementVariants(
+  "paragraph",
+  "sentence",
+  "text",
+  1,
+  0.1,
+  1.05,
+  0.95,
+  "0px",
+  "2px",
+  "rgba(200, 220, 255, 0.1)",
+);
+
+export const sentenceVariants = createElementVariants(
+  "sentence",
+  "clause",
+  "paragraph",
+  1,
+  0.1,
+  1.1,
+  0.95,
+  "0px",
+  "2px",
+  "rgba(200, 220, 255, 0.2)",
+);
+
+export const clauseVariants = createElementVariants(
+  "clause",
+  "word",
+  "sentence",
+  1,
+  0.1,
+  1.1,
+  0.95,
+  "0px",
+  "2px",
+  "rgba(220, 200, 255, 0.2)",
+);
+
+export const wordVariants = createElementVariants(
+  "word",
+  "syllable",
+  "clause",
+  1,
+  0.1,
+  1.15,
+  0.9,
+  "0px",
+  "2px",
+  "rgba(255, 200, 200, 0.2)",
+);
+
+export const syllableVariants = createElementVariants(
+  "syllable",
+  "phoneme",
+  "word",
+  1,
+  0.1,
+  1.2,
+  0.9,
+  "0px",
+  "2px",
+  "rgba(200, 255, 200, 0.2)",
+);
+
+// Button animations
+export const buttonVariants: Variants = {
+  initial: { opacity: 0, x: -20 },
+  animate: { opacity: 1, x: 0, transition: fadeTransition },
+  exit: { opacity: 0, x: -20, transition: fadeTransition },
+};
+
+// Hover effects
+export const createHoverEffect = (
+  level: string,
+  currentLevel: string,
+  color: string,
+) => {
+  if (level === currentLevel) {
+    return {
+      scale: 1.02,
+      backgroundColor: `rgba(${color}, 0.3)`,
+      transition: { duration: 0.2 },
+    };
+  }
+  return {
+    // Return empty animation with same properties to avoid errors
+    scale: 1,
+    backgroundColor: "rgba(255, 255, 255, 0)",
+    transition: { duration: 0.2 },
+  };
+};
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