CODEWITHSUNDEEP
objective-cios7sprite-kitskspritenodesktexture
MSU_Bulldog
MSU_Bulldog

Reputation: 3519

How to compare SKSpriteNode textures

I am making a game with Sprite Kit. When there is a collision I would like to retrieve the image of the SKSpriteNode that my projectile collided with to assign different point values depending on the image of the monster. I think comparing the texture property of the SKSpriteNode could work. I have tried the following code, but my if statement is never called. Any suggestions?

- (void)projectile:(SKSpriteNode *)projectile didCollideWithMonster:(SKSpriteNode *)monster {
        SKTexture *tex = [SKTexture textureWithImageNamed:@"img.png"];
        if ([[monster texture] isEqual:tex])
        {
            NSLog(@"it works");
        }
}

Upvotes: 3

Views: 588

Answers (1)

AndrewShmig
AndrewShmig

Reputation: 4923

Yes, there is a way to compare two images/textures using UIImage.

- (BOOL)image:(UIImage *)image1 isEqualTo:(UIImage *)image2
{
    NSData *data1 = UIImagePNGRepresentation(image1);
    NSData *data2 = UIImagePNGRepresentation(image2);

    return [data1 isEqual:data2];
}

Upvotes: 3

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