Question

您好我在其didMoveToView函数中设置我的SKScene的backgroundColor属性，如下所示：

self.backgroundColor = [SKColor colorWithRed:0.2 green:0.2 blue:1.0 alpha:1.0];

但背景颜色始终是默认灰色。我有另一个简单的SpriteKit测试项目，并以相同的方式设置背景颜色。

我已从场景中删除了所有节点，以排除背景被叠加的可能性。

你知道什么可能阻止我的背景颜色出现吗？

感谢。

Answer 1

我刚测试了这个，它对我来说是预期的。

这是我的初始场景，HelloScene.m

#import "HelloScene.h"
#import "NewScene.h"

@interface HelloScene ()
@property BOOL contentCreated;
@end

@implementation HelloScene

- (void)didMoveToView:(SKView *)view
{
    if (!self.contentCreated) {
        [self createSceneContents];
        self.contentCreated = YES;
    }
}

- (void)createSceneContents
{
    self.backgroundColor = [SKColor colorWithRed:0.333 green:0.780 blue:0.961 alpha:1];
    self.scaleMode = SKSceneScaleModeAspectFit;
    [self addChild:[self newHelloNode]];
}

- (SKLabelNode *)newHelloNode
{
    SKLabelNode *helloNode = [SKLabelNode labelNodeWithFontNamed:@"Chalkduster"];
    helloNode.name = @"helloNode";
    helloNode.text = @"Hello !";
    helloNode.fontSize = 42;
    helloNode.position = CGPointMake(CGRectGetMidX(self.frame), CGRectGetMidY(self.frame));
    return helloNode;
}

#if TARGET_OS_IPHONE
#pragma mark - Event Handling - iOS
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    [self runHelloNodeAction];
}

#else

#pragma mark - Event Handling - OS X
- (void)mouseDown:(NSEvent *)event
{
    [self runHelloNodeAction];
}

#endif

- (void)runHelloNodeAction
{
    SKNode *helloNode = [self childNodeWithName:@"helloNode"];
    if (helloNode != nil) {
        helloNode.name = nil;

        SKAction *moveUpAndZoom = [SKAction group:@[[SKAction moveByX:0.0 y:100.0 duration:0.5],
                                                    [SKAction scaleTo:1.5 duration:0.5]]];
        SKAction *fadeAway = [SKAction fadeOutWithDuration:0.25];
        SKAction *remove = [SKAction removeFromParent];
        SKAction *moveSequence = [SKAction sequence:@[moveUpAndZoom, fadeAway, remove]];

        [helloNode runAction:moveSequence completion:^{
            SKScene *newScene = [[NewScene alloc] initWithSize:self.size];
            SKTransition *doors = [SKTransition doorsOpenVerticalWithDuration:0.5];
            [self.view presentScene:newScene transition:doors];
        }];
    }
}

@end

这是我的第二个场景，NewScene.m

#import "NewScene.h"

@interface NewScene ()
@property BOOL contentCreated;
@end

@implementation NewScene

- (void)didMoveToView:(SKView *)view
{
    if (!self.contentCreated) {
        [self createSceneContents];
        self.contentCreated = YES;
    }
}

- (void)createSceneContents
{
    self.backgroundColor = [SKColor purpleColor];
    self.scaleMode = SKSceneScaleModeAspectFit;
}

@end

SKScene.backgroundColor无效。始终默认颜色

1 个答案: