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@@ -1,9 +1,9 @@
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<template>
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<div>
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<div style="position: absolute;top:10px;right: 4px">
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- <el-button @click="undo">撤销</el-button>
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- <el-button @click="redo">重做</el-button>
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+ <el-button @click="changePaintState">{{paintStateFlagText}}</el-button>
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<el-button @click="clear">清空</el-button>
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+ <el-button @click="save">保存</el-button>
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</div>
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<div style="height: 1700px; height:900px;display: flex;justify-content: center">
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<canvas width="1700" height="900" style="border: 1px solid blue; background-color: white;" id="can"></canvas>
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@@ -19,6 +19,10 @@
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let startMouse = { x: 0, y: 0 };
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let moveMouse = { x: 0, y: 0 };
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+ // 画笔橡皮擦状态,true画笔,false橡皮
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+ let paintStateFlag = true;
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+ let paintStateFlagText = ref('画笔');
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+
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// 第一个职业
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let startAngle11 = 0;
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let startAngle12 = 0;
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@@ -29,6 +33,15 @@
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let startAngle22 = 0;
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let startAngle23 = 0;
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+ // 所有轨道绘画限制
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+ let paintFlagList = [
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+ false, false, false,
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+ false, false, false,
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+ false, false, false,
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+ false, false, false,
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+ false, false, false,
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+ false, false, false]
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+
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let undoList = []; // 用于保存所有操作,用于撤销和重做
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let redoList = []; // 用于保存所有撤销的操作,用于重做
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@@ -60,40 +73,94 @@
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// 第一个职业
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if(sum < Math.pow(100,2) && sum > Math.pow(50,2)){
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startAngle11 = calcAngle();
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+ calcPaintCircleFlag(0)
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}else if(sum < Math.pow(150,2) && sum > Math.pow(100,2)){
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startAngle12 = calcAngle();
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+ calcPaintCircleFlag(1)
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}else if(sum < Math.pow(200,2) && sum > Math.pow(150,2)){
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startAngle13 = calcAngle();
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+ calcPaintCircleFlag(2)
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}
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// 第二个职业
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else if(sum < Math.pow(300,2) && sum > Math.pow(250,2)){
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startAngle21 = calcAngle();
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+ calcPaintCircleFlag(3)
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}else if(sum < Math.pow(350,2) && sum > Math.pow(300,2)){
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startAngle22 = calcAngle();
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+ calcPaintCircleFlag(4)
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}else if(sum < Math.pow(400,2) && sum > Math.pow(350,2)){
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startAngle23 = calcAngle();
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+ calcPaintCircleFlag(5)
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}
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}
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+ /**
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+ * 只有起始点所在轨道可以绘制
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+ **/
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+ function calcPaintCircleFlag(index){
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+ paintFlagList = [
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+ false, false, false,
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+ false, false, false,
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+ false, false, false,
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+ false, false, false,
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+ false, false, false,
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+ false, false, false]
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+ paintFlagList[index] = true
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+ console.log(paintFlagList)
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+ }
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+
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/*计算终点*/
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function calcEndRadius(){
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let sum = Math.pow(moveMouse.x-CENTER_X, 2)+ Math.pow(CENTER_Y-moveMouse.y, 2);
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let ret = calcAngle();
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// 第一个职业
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if(sum < Math.pow(100,2) && sum > Math.pow(50,2)){
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- paint("green", 75, startAngle11 ,ret);
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+ if(paintFlagList[0]){
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+ if(paintStateFlag){
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+ paint("green", 75, startAngle11 ,ret);
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+ }else{
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+ paint("white", 75, startAngle11 ,ret);
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+ paint("white", 125, startAngle11 ,ret);
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+ paint("white", 175, startAngle11 ,ret);
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+ }
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+ }
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}else if(sum < Math.pow(150,2) && sum > Math.pow(100,2)){
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- paint("green", 125, startAngle12 ,ret);
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+ if(paintFlagList[1]){
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+ if(paintStateFlag){
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+ paint("green", 125, startAngle12 ,ret);
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+ paint("green", 75, startAngle12 ,ret);
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+ }else{
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+ paint("white", 125, startAngle12 ,ret);
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+ paint("white", 175, startAngle12 ,ret);
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+ }
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+ }
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}else if(sum < Math.pow(200,2) && sum > Math.pow(150,2)){
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- paint("green", 175, startAngle13 ,ret);
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+ if(paintFlagList[2]){
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+ if(paintStateFlag){
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+ paint("green", 175, startAngle13 ,ret);
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+ paint("green", 125, startAngle13 ,ret);
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+ paint("green", 75, startAngle13 ,ret);
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+ }else{
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+ paint("white", 175, startAngle13 ,ret);
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+ }
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+ }
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}
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// 第二个职业
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else if(sum < Math.pow(300,2) && sum > Math.pow(250,2)){
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- paint("#ffd309", 275, startAngle21 ,ret);
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+ if(paintFlagList[3]){
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+ paint("#ffd309", 275, startAngle21 ,ret);
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+ }
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}else if(sum < Math.pow(350,2) && sum > Math.pow(300,2)){
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- paint("#ffd309", 325, startAngle22 ,ret);
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+ if(paintFlagList[4]){
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+ paint("#ffd309", 325, startAngle22 ,ret);
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+ paint("#ffd309", 275, startAngle22 ,ret);
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+ }
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}else if(sum < Math.pow(400,2) && sum > Math.pow(350,2)){
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- paint("#ffd309", 375, startAngle23 ,ret);
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+ if(paintFlagList[5]){
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+ paint("#ffd309", 375, startAngle23 ,ret);
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+ paint("#ffd309", 325, startAngle23 ,ret);
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+ paint("#ffd309", 275, startAngle23 ,ret);
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+ }
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}
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}
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@@ -108,7 +175,7 @@
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ret += 450;
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}
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let num = ret * Math.PI/180 +Math.PI;
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- // console.log('角度:'+num);
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+ console.log('角度:'+num);
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return num;
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}
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@@ -129,19 +196,29 @@
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function paint(color, radius, startAngle, endAngle){
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- context.lineWidth = 50;
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+ // 结束角度不能小于起始角度
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+ if(endAngle <= startAngle){
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+ return;
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+ }
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+ context.lineWidth = 48;
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context.strokeStyle = color;
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context.beginPath();
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context.arc(CENTER_X, CENTER_Y, radius, startAngle, endAngle, false);
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context.stroke();
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}
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- function undo(){
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-
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+ function changePaintState(){
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+ if(paintStateFlag){
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+ paintStateFlag = false;
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+ paintStateFlagText.value = '橡皮擦'
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+ }else{
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+ paintStateFlag = true;
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+ paintStateFlagText.value = '画笔'
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+ }
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}
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- function redo(){
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-
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+ function eraserState(){
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+ paintStateFlag = false;
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}
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function clear(){
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@@ -167,7 +244,6 @@
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arc(700);
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}
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-
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onMounted(() => {
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init();
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changes();
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