添加音频动画

keyBoard/Class/AiTalk/V/KBAiWaveformView.m

@@ -14,6 +14,8 @@
 @property(nonatomic, assign) float currentRMS;
 @property(nonatomic, assign) float targetRMS;
 @property(nonatomic, assign) BOOL isAnimating;
+@property(nonatomic, assign) NSInteger debugFrameCount;
+@property(nonatomic, assign) CGSize lastLayoutSize;
 @end
 
 @implementation KBAiWaveformView
@@ -49,6 +51,11 @@
 
 - (void)layoutSubviews {
   [super layoutSubviews];
+  if (CGSizeEqualToSize(self.lastLayoutSize, self.bounds.size) &&
+      self.barLayers.count == self.barCount) {
+    return;
+  }
+  self.lastLayoutSize = self.bounds.size;
   [self setupBars];
 }
 
@@ -73,7 +80,7 @@
     barLayer.cornerRadius = self.barWidth / 2;
 
     CGFloat x = startX + i * (self.barWidth + self.barSpacing);
-    CGFloat height = minHeight;
+    CGFloat height = maxHeight; // 统一用满高，后续用 transform.scale.y 控制高度
     if (self.barHeightPattern.count > i) {
       CGFloat base = [self.barHeightPattern[i] floatValue];
       base = MIN(MAX(base, 0.15), 0.9);
@@ -81,7 +88,11 @@
     }
     CGFloat y = (maxHeight - height) / 2;
 
-    barLayer.frame = CGRectMake(x, y, self.barWidth, height);
+    barLayer.frame = CGRectMake(x, 0, self.barWidth, maxHeight);
+    barLayer.anchorPoint = CGPointMake(0.5, 0.5);
+    barLayer.position = CGPointMake(x + self.barWidth / 2, maxHeight / 2);
+    CGFloat scale = height / maxHeight;
+    barLayer.transform = CATransform3DMakeScale(1, scale, 1);
     barLayer.backgroundColor = self.waveColor.CGColor;
 
     [self.layer addSublayer:barLayer];
@@ -94,24 +105,42 @@
 
 - (void)updateWithRMS:(float)rms {
   self.targetRMS = MIN(MAX(rms, 0), 1);
+  NSLog(@"[KBAiWaveformView] updateWithRMS: %.3f, targetRMS=%.3f, barCount=%ld, size=%@",
+        rms, self.targetRMS, (long)self.barLayers.count, NSStringFromCGRect(self.bounds));
+  if (!self.displayLink) {
+    self.currentRMS = self.targetRMS;
+    [self updateBarsWithRMS:self.currentRMS];
+  }
 }
 
 - (void)startIdleAnimation {
-  if (self.isAnimating)
+  NSLog(@"[KBAiWaveformView] startIdleAnimation (animating=%d, bars=%ld, size=%@)",
+        self.isAnimating, (long)self.barLayers.count, NSStringFromCGRect(self.bounds));
+  if (self.isAnimating && self.displayLink) {
     return;
+  }
 
   self.isAnimating = YES;
-  self.displayLink =
-      [CADisplayLink displayLinkWithTarget:self
-                                  selector:@selector(updateAnimation)];
+  self.debugFrameCount = 0;
+  [self.displayLink invalidate];
+  self.displayLink = [CADisplayLink displayLinkWithTarget:self
+                                                 selector:@selector(updateAnimation)];
+  if (@available(iOS 10.0, *)) {
+    self.displayLink.preferredFramesPerSecond = 60;
+  }
   [self.displayLink addToRunLoop:[NSRunLoop mainRunLoop]
                          forMode:NSRunLoopCommonModes];
+  NSLog(@"[KBAiWaveformView] displayLink started");
 }
 
 - (void)stopAnimation {
+  NSLog(@"[KBAiWaveformView] stopAnimation (bars=%ld)", (long)self.barLayers.count);
   self.isAnimating = NO;
   [self.displayLink invalidate];
   self.displayLink = nil;
+  for (CAShapeLayer *layer in self.barLayers) {
+    [layer removeAnimationForKey:@"kb_idle_scale"];
+  }
 }
 
 - (void)reset {
@@ -123,8 +152,16 @@
 #pragma mark - Animation
 
 - (void)updateAnimation {
+  if (!self.isAnimating) {
+    return;
+  }
+  self.debugFrameCount += 1;
+  if (self.debugFrameCount % 30 == 0) {
+    NSLog(@"[KBAiWaveformView] tick (target=%.3f, current=%.3f, bars=%ld)",
+          self.targetRMS, self.currentRMS, (long)self.barLayers.count);
+  }
   // 平滑过渡到目标 RMS
-  CGFloat smoothing = 0.3;
+  CGFloat smoothing = 0.65;
   self.currentRMS =
       self.currentRMS + (self.targetRMS - self.currentRMS) * smoothing;
 
@@ -144,25 +181,26 @@
 
     // 添加基于时间的波动效果
     CGFloat phase = (CGFloat)i / self.barLayers.count * M_PI * 2;
-    CGFloat wave = sin(time * 3 + phase) * 0.3 + 0.7; // 0.4 - 1.0
+    CGFloat wave = sin(time * 8 + phase) * 0.3 + 0.7; // 0.4 - 1.0
 
     CGFloat baseFactor = 0.2;
     if (self.barHeightPattern.count > i) {
       baseFactor = [self.barHeightPattern[i] floatValue];
       baseFactor = MIN(MAX(baseFactor, 0.15), 0.9);
     }
+    // 让基准高度也随时间轻微摆动（长按时更明显）
+    CGFloat idleWave = sin(time * 10 + phase) * 0.25 + 0.85; // 0.6 - 1.1
+    CGFloat baseWave = MIN(MAX(baseFactor * idleWave, 0.15), 0.95);
     // 计算高度：基准高度 + 随 RMS 波动
-    CGFloat dynamicFactor = rms * (0.35 + 0.15 * wave); // 0.35~0.5
-    CGFloat heightFactor = MIN(1.0, baseFactor + dynamicFactor * (1.0 - baseFactor));
+    CGFloat dynamicFactor = rms * (0.45 + 0.20 * wave); // 0.45~0.65
+    CGFloat heightFactor = MIN(1.0, baseWave + dynamicFactor * (1.0 - baseWave));
     CGFloat height = maxHeight * heightFactor;
     height = MAX(minHeight, MIN(maxHeight, height));
-
-    // 更新位置
-    CGFloat y = (maxHeight - height) / 2;
+    CGFloat scale = height / maxHeight;
 
     [CATransaction begin];
     [CATransaction setDisableActions:YES];
-    layer.frame = CGRectMake(layer.frame.origin.x, y, self.barWidth, height);
+    layer.transform = CATransform3DMakeScale(1, scale, 1);
     [CATransaction commit];
   }
 }