////////////Template code
//////////// Chunk 1 GameScene.m

-(void)didMoveToView:(SKView *)view {
    
    self.backgroundColor = [SKColor blackColor];
    self.scaleMode = SKSceneScaleModeAspectFit;
    self.physicsBody = [SKPhysicsBody bodyWithEdgeLoopFromRect:self.frame];
    
    SKNode *ball = [self childNodeWithName:@"ball"];
    ball.physicsBody.angularVelocity = 1.0;

}