Sprite animation through UV

Source: Internet
Author: User

Sprite animation through UV]

The following uses a single row sprite texture as an animated texture. First, enter the texture width, sprint quantity, and speed:

Calculate the pixel width and UV width of each sprite:

Calculate the sprite number currently displayed based on _ time:

Finally, the original UV is modified based on the above information.

UV-Sprite animation moves computing completely to the GPU, And the shader will become more and more efficient. A common rendering engine calculates UV in the CPU, while a GPU only receives UV for rendering.

Sprite animation through UV

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