add flying commit

2018-08-28 17:00:43 +08:00
parent 6a8d55457a
commit 54e936535f
24 changed files with 1353 additions and 23 deletions
@@ -0,0 +1,123 @@
+//
+//  LXDanMuTrackView.m
+//  LXAnimationTest
+//
+//  Created by lianxiang on 2018/8/14.
+//  Copyright © 2018年 com.giga.ios. All rights reserved.
+//
+
+#import "LXDanMuTrackView.h"
+
+@implementation LXDanMuTrackView
+
+- (instancetype)initWithFrame:(CGRect)frame{
+    
+    self = [super initWithFrame:frame];
+    if (self) {
+        [self dataConfig];
+    }
+    return self;
+}
+
+-(void)dataConfig{
+    
+    _showingArray = [[NSMutableArray alloc] init];
+    _waitShowArray = [[NSMutableArray alloc] init];
+    
+}
+
+- (void)appendWithCustomView:(UIView *)view{
+    
+    view.frame = CGRectMake(self.frame.size.width,view.frame.origin.y, view.frame.size.width,view.frame.size.height);
+    view.center = CGPointMake(view.center.x, TRACK_HEIGHT/2);
+    if (_showingArray.count) {
+        UIView *lastView = [_showingArray lastObject];
+        //最右侧的那条弹幕还没有完全出现在屏幕中
+        if (CGRectGetMaxX(lastView.frame) + TRACK_HORIZONTAL_PADDING > self.frame.size.width || _waitShowArray.count) {
+            //把这条弹幕加到等待数组中
+            [_waitShowArray addObject:view];
+        }else{
+            //加入轨道
+            [self addSubview:view];
+            //加入展示数组
+            [_showingArray addObject:view];
+            
+        }
+    }else{
+        
+        [self addSubview:view];
+        [_showingArray addObject:view];
+    }
+}
+
+- (void)moveViewWithSpeed:(float)speed{
+    //正在展示的弹幕自减一次
+    for (UIView *view in _showingArray) {
+        view.frame = CGRectMake(view.frame.origin.x - speed, view.frame.origin.y, view.frame.size.width, view.frame.size.height);
+        
+    }
+    //正在展示的弹幕
+    if (_showingArray.count){
+        UIView *firstView = [_showingArray firstObject];
+        UIView *lastView = [_showingArray lastObject];
+        
+        if (CGRectGetMaxX(firstView.frame) < 0) {
+            //已移除屏幕 remove
+            [firstView removeFromSuperview];
+            [_showingArray removeObjectAtIndex:0];
+            
+        }
+        if (_waitShowArray.count) {
+            //最右侧的view 已经完全出现
+            if (CGRectGetMaxX(lastView.frame) + TRACK_HORIZONTAL_PADDING  <= self.frame.size.width) {
+                //转移数组
+                [_showingArray addObject:[_waitShowArray firstObject]];
+                [_waitShowArray removeObjectAtIndex:0];
+                [self addSubview:[_showingArray lastObject]];
+                
+            }
+        }
+    }
+}
+- (float)rightOutScreenWidth
+{
+    float outScreenWidth = 0.0;
+    //如果等待数组中有值
+    if (_waitShowArray.count)
+    {
+        //先遍历所有等待数组中的view，累加长度和间距
+        for (UIView *view in _waitShowArray)
+        {
+            outScreenWidth += view.frame.size.width + TRACK_HORIZONTAL_PADDING;
+        }
+    }
+    
+    //如果展示数组中有值
+    if (_showingArray.count)
+    {
+        //拿出最右侧的view
+        UIView *lastView = [_showingArray lastObject];
+        //算出出屏宽
+        float rightOutWidth = CGRectGetMaxX(lastView.frame) - self.frame.size.width;
+        if (rightOutWidth < 0)
+        {
+            rightOutWidth = 0;
+        }
+        outScreenWidth += rightOutWidth;
+    }
+    
+    return outScreenWidth;
+}
+
+//清理轨道
+- (void)cleanTrack
+{
+    for (UIView *view in _showingArray)
+    {
+        [view removeFromSuperview];
+    }
+    [_showingArray removeAllObjects];
+    [_waitShowArray removeAllObjects];
+    
+}
+@end