Over the past couple weeks I’ve been working on  a number of transition effects for use with the Starling Framework. One of my favorites involved using a Starling MovieClip of a greyscale sprite sheet animation to hide or reveal a DisplayObject instance. For example, you could take a black and white frame sequence of something burning or a spreading ink splotch and use it to transition an image in or out. After completing the Starling work, I got to wondering if I could do the same thing in Unity3D with the same spritesheet and texture atlas assets. Of course with a little finagling it turns out I could so I thought I’d share this little tip for anyone looking to do something similar. What It Is Before going any further it would probably help to present a visual idea of what the heck I’m talking about. Click here for a WebGL example of the type of effect this technique can create. Just to make the example scene more interesting, I used a fantastic Blacksmith’s Forge interior from 3DForge available for free on the Unity Asset Store. So what’s happening? Essentially, there is a spritesheet animation of a spreading blob of […]
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