U3D 2d sequence Animation code

Using unityengine;using System.Collections;    public class Anisprite:monobehaviour {private float myTime = 0;    private bool Isplay = true; Anisprit. Sprite (4, 6, 0, 0, 1f), meaning: The map is a 4-column, 6-row animation diagram, the graph starts with coordinates (0,0), the total number of frames given 20 frames, frame rate 24, total time 1 seconds public bool Sprite (int columnsize,in T rowsize, float colframestart, float rowframestart, int totalframes, int framespersecond, float totaltime) {my        Time + = Time.deltatime;            if (totaltime! = 0 && myTime > totaltime) {isplay = false;            MyTime = 0;        return isplay;         } int index = (int) (Time.time * framespersecond)% Totalframes;         Vector2 size = new Vector2 (1.0f/columnsize,1.0f/rowsize);        int u = index% ColumnSize;         int v = index/columnsize;        Vector2 offset = new Vector2 ((U + colframestart) * size.x, (1.0F-SIZE.Y)-(v + rowframestart) * size.y);        Renderer.material.mainTextureScale = size; Renderer.material.mainTextureOffset = ofFset    return true; }}

U3D 2d sequence Animation code