Unity3d贴图动画脚本，常用脚本
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var uvAnimationTileX = 24; //Here you can place the number of columns of your sheet.
//The above sheet has 24
var uvAnimationTileY = 1; //Here you can place the number of rows of your sheet.
//The above sheet has 1
var framesPerSecond = 10.0;

function Update () {
// Calculate index
var index : int = Time.time * framesPerSecond;
// repeat when exhausting all frames
index = index % (uvAnimationTileX * uvAnimationTileY);

// Size of every tile
var size = Vector2 (1.0 / uvAnimationTileX, 1.0 / uvAnimationTileY);

// split into horizontal and vertical index
var uIndex = index % uvAnimationTileX;
var vIndex = index / uvAnimationTileX;
// build offset
// v coordinate is the bottom of the image in opengl so we need to invert.
var offset = Vector2 (uIndex * size.x, 1.0 - size.y - vIndex * size.y);

renderer.material.SetTextureOffset ("_MainTex", offset);
renderer.material.SetTextureScale ("_MainTex", size);
}