function flag = CanMove(x,y) flag = 1; oldx = chess_x(cur_turn,cur_cid); oldy = chess_y(cur_turn,cur_cid); switch chess_type(cur_cid) case 1 % 将 % move 1 step if ~(x==oldx && abs(y-oldy)==1) && ~(y==oldy && abs(x-oldx)==1) flag = 0; return end % out area if cur_turn==1 if ~(x>=0 && x<=2 && y>=3 && y<=5) flag = 0; return end else if ~(x>=7 && x<=9 && y>=3 && y<=5) flag = 0; return end end

void Dialog3::moveLineWithMouseX(float x) { for(auto it:lineR){ float oldX=it->property("x").toFloat(); float oldY=it->property("y").toFloat(); it->move(x+IntervalDistance,oldY); } for(auto it:lineL){ float oldX

it->move(x-IntervalDistance,oldY); } } 这是一个C++程序中的一个成员函数，主要是将一些直线元素随鼠标在X轴方向上的移动进行平移操作。其中，lineR和lineL分别表示右侧和左侧的直线元素，x表示鼠标在X轴方向上...

void CMFCGLSetupView::OnIterAdd() { iter += 1; oldx = initX; oldy = initY; InvalidateRect(0, FALSE); // TODO: 在此添加命令处理程序代码 } void CMFCGLSetupView::OnIterDec() { iter -= 1; oldx = initX; oldy = initY; if (iter < 0) { iter = 0; } InvalidateRect(0, FALSE); // TODO: 在此添加命令处理程序代码 }

具体来说，当用户点击增加迭代次数的按钮时，OnIterAdd函数会将iter变量加1，然后重新从初始点开始绘制Koch曲线，并且使窗口客户区域无效，强制窗口重绘。当用户点击减少迭代次数的按钮时，OnIterDec函数会将...

将下面的代码改成createjs的方法 <!DOCTYPE HTML> <html> <head> <meta charset="utf-8" /> </head> <body> <canvas id="canvas" width="600" height="300""></canvas>
<button style="width:80px;background-color:yellow;" onclick='linecolor = "yellow";'>YELLOW</button> <button style="width:80px;background-color:red;" onclick='linecolor = "red";'>RED</button> <button style="width:80px;background-color:blue;" onclick='linecolor = "blue";'>BLUE</button> <button style="width:80px;background-color:green;" onclick='linecolor = "green";'>GREEN</button> <button style="width:80px;background-color:white;" onclick='linecolor = "white";'>WHITE</button> <button style="width:80px;background-color:black;color:white;" onclick='linecolor = "black";'>BLACK</button>
<button style="width:80px;background-color:white;" onclick="linw = 4;">4px</button> <button style="width:80px;background-color:white;" onclick="linw = 8;">8px</button> <button style="width:80px;background-color:white;" onclick="linw = 16;">16px</button>
<button style="width:80px;background-color:pink;" onclick="copyimage();">EXPORT</button>
<script type="text/javascript"> var canvas = document.getElementById("canvas"); var ctx = canvas.getContext("2d"); //画一个黑色矩形 ctx.fillStyle="black"; ctx.fillRect(0,0,600,300); //按下标记 var onoff = false; var oldx = -10; var oldy = -10; //设置颜色 var linecolor = "white"; //设置线宽 var linw = 4; //添加鼠标移动事件 canvas.addEventListener("mousemove",draw,true); //添加鼠标按下事件 canvas.addEventListener("mousedown",down,false); //添加鼠标弹起事件 canvas.addEventListener("mouseup",up,false); function down(event){ onoff = true; oldx = event.pageX-10; oldy = event.pageY-10; } function up(){ onoff = false; } function draw(event){ if(onoff == true){ var newx = event.pageX-10; var newy = event.pageY-10; ctx.beginPath(); ctx.moveTo(oldx,oldy); ctx.lineTo(newx,newy); ctx.strokeStyle=linecolor; ctx.lineWidth=linw; ctx.lineCap="round"; ctx.stroke(); oldx = newx; oldy = newy; }; }; function copyimage(event){ var img_png_src = canvas.toDataURL("image/png"); document.getElementById("image_png").src = img_png_src; } </script> </body> </html>

shape.graphics.moveTo(oldx, oldy); shape.graphics.lineTo(newx, newy); shape.graphics.endStroke(); stage.addChild(shape); stage.update(); oldx = newx; oldy = newy; } } function copyimage...

GLfloat initX = 0, initY = 0; GLfloat oldx = 0, oldy = 0; int times = 0; bool gDrawline = false; void drawkoch(GLfloat dir, GLfloat len, GLint iter) { GLdouble dirRad = dir * 3.1415926 / 180.f; GLfloat newX = oldx + len * cos(dirRad); GLfloat newY = oldy + len * sin(dirRad); if (iter == 0) { glVertex2f(oldx, oldy); glVertex2f(newX, newY); oldx = newX; oldy = newY; } else { iter--; len = len / 3; drawkoch(dir, len, iter); dir += 60; drawkoch(dir, len, iter); dir -= 120; drawkoch(dir, len, iter); dir += 60; drawkoch(dir, len, iter); } } typedef GLfloat point2d[2]; int iter = 0; float snowAngle = 0; point2d p = { 960, 20 }; point2d anyline[2]; point2d pp; void CMFCGLSetupView::OnDraw(CDC* pDC) { CMFCGLSetupDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); if (!pDoc) return; // TODO: add draw code for native data here wglMakeCurrent(pDC->m_hDC, m_hRC); oldx = initX; oldy = initY; glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0, Cx, 0, Cy, -1000, 1000); switch (drawMode) { case 0: glTranslatef(400, 450, 0); glBegin(GL_LINES); glColor3f(0.0, 1.0, 0.0); drawkoch(0, 500, iter); glEnd(); break; case 1: glTranslatef(400, 450, 0); glPushMatrix(); glTranslated(250, -125 * sqrt(3), 0); glRotated(snowAngle, 0, 1, 0); glTranslated(-250, 125 * sqrt(3), 0); glBegin(GL_LINES); glColor3f(0.0, 1.0, 0.0); drawkoch(0, 500, iter); drawkoch(-120, 500, iter); drawkoch(-240, 500, iter); glEnd(); glPopMatrix(); break; case 2: if (gDrawline) { oldx = anyline[0][0]; oldy = anyline[0][1]; point2d v; v[0] = (anyline[1][0] - anyline[0][0]); v[1] = (anyline[1][1] - anyline[0][1]); float len = sqrt(v[0] * v[0] + v[1] * v[1]); v[0] /= len; v[1] /= len; point2d n = { 1, 0 }; float cosTheta = v[0] * n[0] + v[1] * n[1]; float angle = acos(cosTheta) * 180.f / PI; if (anyline[1][1] < anyline[0][1]) { angle = -angle; } glBegin(GL_LINES); drawkoch(angle, len, iter); glEnd(); } break; default: break; } glBegin(GL_POINTS); glVertex2f(pp[0], pp[1]); glEnd(); glFlush(); wglMakeCurrent(pDC->m_hDC, NULL); }

这段代码是使用OpenGL库绘制Koch曲线...此外，代码中还定义了一些全局变量，如initX、initY、oldx、oldy等，用于记录绘制Koch曲线时的初始点和当前绘制点的坐标。还有一些辅助函数，如计算角度和距离的函数等。

使用C语言完成：读取一幅24位真彩的bmp图像，给图像四周加一个宽度大于 1 像素的任意颜色的边框，另存为图像文件 IMG3_24.bmp。

if (x || x >= newWidth - borderWidth || y || y >= newHeight - borderWidth) { imageData[index] = 0; // 蓝色通道 imageData[index + 1] = 0; // 绿色通道 imageData[index + 2] = 255; // 红色通道 } ...

用高斯-赛德尔迭代法java求解方程组 10x1-x2+2x3=6 -x1+11x2-x3+3x4=25 2x1-x2+10x3-x4=-11 3x2-x1+8x4=15

double[][] a = {{10, -1, 2, 0}, {-1, 11, -1, 3}, {2, -1, 10, -1}, {0, 3, -1, 8}}; // 方程组系数矩阵 double[] b = {6, 25, -11, 15}; // 方程组常数向量 double[] x = new double[b.length]; // 初始化解...

使用visual studio 2012的vb.net完成二维坐标转换windows窗体的开发，请生成对应代码，程序逻辑顺序为： 1、读取控制点坐标数据：控制点txt文件，第一行：控制点个数，第二至N行：转换前旧坐标系下的x坐标，y坐标，转换后新坐标系下的X坐标，Y坐标 2、计算转换参数 3、读取待转换的坐标数据文件数据txt文件格式为：第一行：总点数，第二至N行：点名，转换前旧坐标系下的x坐标，y坐标。 5、坐标转换：使用二维四参数转换模型最后转换后的结果输出到一个新的txt中，并打开该txt

Public Sub New(oldX As Double, oldY As Double, newX As Double, newY As Double) Me.OldX = oldX Me.OldY = oldY Me.NewX = newX Me.NewY = newY End Sub End Class ' 读取控制点坐标数据 Dim ...

['{"distance":1548,"oldx":2.0090292129863854,"oldy":1544.1428397435209,"x":"150.020","y":"165.441","angle":0.07454545454544359,"newY":1544.1428397435209,"dip":{"0":{"zangle":353.0731201171875,"xangle":357.38525390625,"yangle":356.912841796875},"1":{"zangle":353.067626953125,"xangle":357.3907470703125,"yangle":356.8963623046875},"2":{"zangle":353.0621337890625,"xangle":357.4017333984375,"yangle":356.8853759765625},"3":{"zangle":353.067626953125,"xangle":357.4127197265625,"yangle":356.8743896484375}},"newdistance":1544.1441466811198,"newX":2.0090292129863854}']python里面如何获取"newX":后的值

data = '{"distance":1548,"oldx":2.0090292129863854,"oldy":1544.1428397435209,"x":"150.020","y":"165.441","angle":0.07454545454544359,"newY":1544.1428397435209,"dip":{"0":{"zangle":353.0731201171875,...

写一段鼠标只能左右拖动物体移动的脚本

好的，以下是一段鼠标只能左右拖动物体移动的脚本： c #include #include #include #include ... if (y >= height) y = height - 1; Sleep(10); } return 0; } 希望能对您有所帮助！

rsa加密算法c语言实现

int oldx = 1, x = 0; int oldy = 0, y = 1; int q, temp; while (r != 0) { q = oldr / r; temp = r; r = oldr - q * r; oldr = temp; temp = x; x = oldx - q * x; oldx = temp; temp = y; y = ...

java使用StdDraw创建一个Turtle实现 Turtle Graphics API中setPosition的功能

StdDraw.line(oldx, oldy, x, y); } // move the turtle backward a given distance public void goBackward(double distance) { goForward(-distance); } // set the turtle's position to (x, y) public...

java使用StdDraw创建一个Turtle实现 Turtle Graphics API中down的功能

double oldx = x, oldy = y; x += step * Math.cos(Math.toRadians(angle)); y += step * Math.sin(Math.toRadians(angle)); if (penDown) StdDraw.line(oldx, oldy, x, y); } // 抬笔 public void ...

matlab自己实现一个图像旋转代码

newImg(y, x, :) = img(round(oldY), round(oldX), :); end end end % 显示旋转后的图像 imshow(newImg); 在这个代码中，我们首先读入一个原始图像，然后定义旋转角度（这里使用的是顺时针方向旋转），计算...

java的dom4j的DOMElement改变位置信息

Attribute oldX = element.attribute("X"); if (oldX != null) { element.remove(oldX); } Attribute oldY = element.attribute("Y"); if (oldY != null) { element.remove(oldY); } // 设置新的位置信息 element...

if ~(x==oldx && abs(y-oldy)==1) && ~(y==oldy && abs(x-oldx)==1) flag = 0;

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void Dialog3::moveLineWithMouseX(float x) { for(auto it:lineR){ float oldX=it->property("x").toFloat(); float oldY=it->property("y").toFloat(); it->move(x+IntervalDistance,oldY); } for(auto it:lineL){ float oldX

使用C语言完成：读取一幅24位真彩的bmp图像，给图像四周加 一个宽度大于 1 像素的任意颜色的边框，另存为图像文件 IMG3_24.bmp。

用高斯-赛德尔迭代法java求解方程组 10x1-x2+2x3=6 -x1+11x2-x3+3x4=25 2x1-x2+10x3-x4=-11 3x2-x1+8x4=15

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