本文介绍了SKCropNode遮罩边缘抗锯齿的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我创建了一个圆形蒙版,并使用精灵工具包SKCropNode类在该蒙版内部创建了一个精灵.但是蒙版的边缘看起来像是像素化的.
I created a circular mask and animate a sprite inside the mask by using sprite kit SKCropNode class. But the edge of the mask looks pixellated.
是否可以使用抗锯齿来平滑边缘?
Is there a way to use anti-aliasing to smooth the edges?
推荐答案
如果要使用抗锯齿效果屏蔽任何SKNode/SKSpriteNode,则可以使用SKEffectNode而不是SKCropNode.它也适用于动画节点.这是一个示例:
If you want to mask any SKNode/SKSpriteNode with an anti-aliasing effect - you can use SKEffectNode instead of SKCropNode. It works with animated nodes as well. Here is an example:
// Set up your node
SKNode *nodeToMask = [SKNode node];
// ...
// Set up the mask node
SKEffectNode *maskNode = [SKEffectNode node];
// Create a filter
CIImage *maskImage = [[CIImage alloc] initWithCGImage:[UIImage imageNamed:@"your_mask_image"].CGImage];
CIFilter *maskFilter = [CIFilter filterWithName:@"CISourceInCompositing"
keysAndValues:@"inputBackgroundImage", maskImage, nil];
// Set the filter
maskNode.filter = maskFilter;
// Add childs
[maskNode addChild:nodeToMask];
[scene addChild:maskNode];
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