【Unity3d学习笔记】Mac图标

来源：互联网发布：域名国外备案编辑：程序博客网时间：2024/05/23 13:10
using UnityEngine;using System.Collections;public class Loop : MonoBehaviour {public Texture2D[] btnTex = new Texture2D[9];Rect[] btnRect = new Rect[9];Rect[] rectInit = new Rect[9];float minSize = 64.0f;float maxSize = 128.0f;float maxDis = 256;float minY;float btnSpace = 16.0f;//图标之间的空隙float leftSpace;//图标左边的空隙void Start () {minY = Screen.height - minSize;float tatalWidth = minSize * btnTex.Length + btnSpace * (btnTex.Length-1);//图标两边的总长度，btnTex.Length指几张图leftSpace = (Screen.width - tatalWidth) * 0.5f;//使图片到中间位置时，左边需要多少空白位置for(int i = 0; i< btnTex.Length; i++){rectInit[i] = new Rect((minSize+btnSpace)*i + leftSpace,minY,minSize,minSize);//通过设置初始直接赋给btnRect}//每个图形的位置}//图形都依次排在中间且有空隙void Update () {if (Input.mousePosition.y <= minSize) { //当鼠标低于图标时for (int i = 0; i < btnTex.Length; i++) {//对于每一张图片float centerX = btnRect [i].x + btnRect [i].width * 0.5f;//每个图形的中心点float disMouseToCenterX = Mathf.Abs (Input.mousePosition.x - centerX);//鼠标距离中心点的值if (disMouseToCenterX <= maxDis) {//如果鼠标距离中心点的位置小于最大距离btnRect [i].width = crsp (0, maxDis, disMouseToCenterX, maxSize, minSize);//放大图形宽度} else {btnRect [i].width = minSize;//否则没变化}btnRect [i].height = btnRect [i].width;//根据上方情况放大高度或不变btnRect [i].y = Screen.height - btnRect [i].height;//确定图形应处于y轴哪个位置}float totalBtnWidth = btnRect [0].width;//初始所有图标总长度为第一個图标长度for (int i = 1; i < btnTex.Length; i++) {totalBtnWidth += btnRect [i].width + btnSpace;}//通过相加计算出所有图标的总长度，有空隙float leftBtnWidth = (Screen.width - totalBtnWidth) * 0.5f;//计算出第一個图标距左边的距离btnRect [0].x = leftBtnWidth;//确定距离为第一個图标的x轴位置for (int i = 1; i < btnTex.Length; i++) {btnRect [i].x = btnRect [i - 1].x + btnRect [i - 1].width + btnSpace; }//确定每个图标应处于x轴哪个位置} else {//当鼠标不在范围内，图标仍旧是原来的样子for(int i = 0; i< btnTex.Length; i++){btnRect[i] = rectInit[i];}}}void OnGUI (){//画出图形for(int i = 0; i < btnTex.Length; i++){GUI.DrawTexture (btnRect[i],btnTex[i]);}}float crsp (float a, float b, float x, float m, float n){ //求扩展后对应的点float y = m - (a - x) * (m - n) / (a - b);return y;}}
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