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 +1,145 @@
+//
+//  LXDanMuManager.m
+//  LXAnimationTest
+//
+//  Created by lianxiang on 2018/8/14.
+//  Copyright © 2018年 com.giga.ios. All rights reserved.
+//
+
+#import "LXDanMuManager.h"
+#import "LXDanMuTrackView.h"
+
+@implementation LXDanMuManager
+
+ (LXDanMuManager *)shareInstance{
+    static LXDanMuManager *managerInstance = nil;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+        managerInstance = [[self alloc] init];
+    });
+    return  managerInstance;
+}
+
+- (void)createDanmuWithTrackSpeedArray:(NSArray *)trackSpeedArray centerY:(float)centerY trackWidth:(float)trackWidth showInView:(UIView *)inView{
+    _superView = inView;
+    _trackSpeedArray = trackSpeedArray;
+    _centerY = centerY;
+    _trackWidth = trackWidth;
+    _trackArray = [[NSMutableArray alloc] init];
+    [self initUI];
+}
+
+-(void)initUI{
+    _baseView = [[UIView alloc] initWithFrame:CGRectMake(0, 0,_trackWidth, 0)];
+    _baseView.userInteractionEnabled = NO;
+    [_superView addSubview:_baseView];
+    
+    for (int i = 0; i<_trackSpeedArray.count; i++) {
+        
+        LXDanMuTrackView *trackView  = [[LXDanMuTrackView alloc] initWithFrame:CGRectMake(0, (TRACK_HEIGHT + TRACK_VERTICAL_PADDING) * i, _baseView.frame.size.width, TRACK_HEIGHT)];
+        [_baseView addSubview:trackView];
+        [_trackArray addObject:trackView];
+        if (_trackSpeedArray.count - 1 == i) {
+            _baseView.frame = CGRectMake(_baseView.frame.origin.x, _baseView.frame.origin.y, _baseView.frame.size.width,CGRectGetMaxY(trackView.frame));
+            _baseView.center = CGPointMake(_baseView.center.x, _centerY);
+        }
+    }
+}
+
+-(void)start{
+    
+    if (_timer) {
+        return;
+    }
+    _timer = [NSTimer timerWithTimeInterval:0.01 target:self selector:@selector(startAction) userInfo:nil repeats:YES];
+    [[NSRunLoop currentRunLoop] addTimer:_timer forMode:NSRunLoopCommonModes];
+
+}
+
+- (void)pause{
+    [_timer invalidate];
+    _timer = nil;
+}
+
+- (void)stop{
+    
+    [_timer invalidate];
+    _timer = nil;
+    for (LXDanMuTrackView *trackView in _trackArray) {
+        [trackView cleanTrack];
+    }
+}
+
+- (void)destory{
+    
+    [_timer invalidate];
+    _timer = nil;
+    for (LXDanMuTrackView * trackView in _trackArray) {
+        [trackView cleanTrack];
+        [trackView removeFromSuperview];
+    }
+    [_trackArray removeAllObjects];
+    [_baseView removeFromSuperview];
+    _trackSpeedArray = nil;
+    _superView = nil;
+    _baseView = nil;
+    _trackArray = nil;
+    
+}
+
+-(void)startAction{
+    
+    for (int i = 0; i < _trackArray.count; i++) {
+        //执行轨道定时器方法
+        LXDanMuTrackView *trackView = _trackArray[i];
+        [trackView moveViewWithSpeed:[_trackSpeedArray[i] floatValue]];
+    
+    }
+}
+
+-(UIView *)baseView{
+    if (!_baseView) {
+        _baseView = [[UIView alloc] initWithFrame:CGRectMake(0, 0,_trackWidth, 0)];
+        
+    }
+    return _baseView;
+}
+
+//自定义的view（注意，最高不能超过轨道的高，会出问题）
+- (void)appendDanMuWithCustomView:(UIView *)customView toTrackIndex:(NSInteger)trackIndex
+{
+    //trackIndex 插入弹幕的轨道（为-1则代表自动寻找最不拥挤的轨道插入）
+    NSInteger realTrackIndex = trackIndex;
+    if (realTrackIndex == -1) {
+        realTrackIndex = [self findTheMinTotalWidthTrack];
+    }
+    LXDanMuTrackView *trackView = _trackArray[realTrackIndex];
+    [trackView appendWithCustomView:customView];
+    
+}
+
+/**
+ 找到最短右侧出屏幕和等待数组总长度最短的轨道序号
+ 
+ @return 轨道的序号
+ */
+
+- (int)findTheMinTotalWidthTrack
+{
+    LXDanMuTrackView *firstTrackView = _trackArray[0];
+    int minWidthIndex = 0;
+    float minWidth = [firstTrackView rightOutScreenWidth];
+    for (int i = 0; i<_trackArray.count; i++)
+    {
+        LXDanMuTrackView *trackView = _trackArray[i];
+        float trackRightOutScreenWidth = [trackView rightOutScreenWidth];
+        if (trackRightOutScreenWidth < minWidth)
+        {
+            minWidth = trackRightOutScreenWidth;
+            minWidthIndex = i;
+        }
+    }
+    return minWidthIndex;
+}
+
+@end