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In computer graphics, a texture atlas (also called a spritesheet or an image sprite in 2D game development) is an image containing multiple smaller images, usually packed together to reduce overall dimensions. [1]
Most graphic hardware has internal support for blitting operations or sprite drawing. A co-processor dedicated to blitting is known as a Blitter chip. Classic 2D graphics chips and graphics processing units of the late 1970s to 1980s, used in 8-bit to early 16-bit, arcade games, video game consoles, and home computers, include:
Sprites can be positioned or altered by setting attributes used during the hardware composition process. The number of sprites which can be displayed per scan line is often lower than the total number of sprites a system supports. For example, the Texas Instruments TMS9918 chip supports 32 sprites, but only four can appear on the same scan line.
There can be up to 32 monochrome sprites of either 8×8 or 16×16 pixels on screen, each sprite with its own, single color. The illusion of multicolor sprites can be created by stacking multiple sprites on top of each other. There can be no more than 4 sprites on a single scanline; any additional sprites' horizontal pixels are dropped.
Pivot Animator (formerly Pivot Stickfigure Animator and usually shortened to Pivot) is a freeware application that allows users to create stick-figure and sprite animations, and save them in the animated GIF format for use on web pages and the AVI format (in Pivot Animator 3 and later).
RotSprite is a scaling and rotation algorithm for sprites developed by Xenowhirl. It produces far fewer artifacts than nearest-neighbor rotation algorithms, and like EPX, it does not introduce new colors into the image (unlike most interpolation systems). [21]
All game content including character art, backgrounds, text, etc., can be added directly through a point-and-click interface in the editor. Some example content types are Sprites, Tiled Sprites, 9-Patch (Panel) Sprites, Text Objects, Text Objects with BBText support, Shape Painters, and more.
Making the graphics appear to move like sprites in the foreground required clever programming tricks. The Super NES allowed for "raster scrolling", which allowed the programmers to change the graphics for each scanline. The programmers shifted the vertical sync and cut off the sprites at the scanline. The restriction is that graphics can only ...