This Sparrow extension class displays a texture, trimmed to its left side, depending on a ratio. This can be used to create a progress bar or a rest-time display.
You control the gauge by changing its ratio
property to a value between 0 and 1.
SXGauge *gauge = [SXGauge gaugeWithTexture:@"gauge.png"]; [self addChild:gauge]; gauge.ratio = 0.5f;
In the sample on the right, the gauge is just the yellow texture. By displaying this object in front of a grey background and border, it looks as if this was a container that grows empty.
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