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C++ drawTriangle函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中drawTriangle函数的典型用法代码示例。如果您正苦于以下问题:C++ drawTriangle函数的具体用法?C++ drawTriangle怎么用?C++ drawTriangle使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了drawTriangle函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: init

void
init(char *filename)
{
	stl_error_t err;
	GLfloat *vertices = NULL;
	GLuint triangle_cnt = 0;
	int i = 0, base = 0;

 	stl = stl_alloc();
	if (stl == NULL) {
		fprintf(stderr, "Unable to allocate memoryfor the stl object");
		exit(1);
	}

	err = stl_load(stl, filename);

	if (err != STL_ERR_NONE) {
		fprintf(stderr, "Problem loading the stl file, check lineno %d\n",
			stl_error_lineno(stl));
		exit(1);
	}

	err =  stl_vertices(stl, &vertices);
	if (err) {
		fprintf(stderr, "Problem getting the vertex array");
		exit(1);
	}

	triangle_cnt = stl_facet_cnt(stl);

        model = glGenLists(1);
        glNewList(model, GL_COMPILE);
        glBegin(GL_TRIANGLES);
	for (i = 0; i < triangle_cnt; i++) {
		base = i*18;
		drawTriangle(vertices[base], vertices[base + 1], vertices[base + 2],
			     vertices[base + 6], vertices[base + 7], vertices[base + 8],
			     vertices[base + 12], vertices[base + 13], vertices[base + 14]);
	}
	glEnd();
        glEndList();

	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
	glEnable(GL_DEPTH_TEST);
	glShadeModel(GL_SMOOTH);

        glClearColor(135.0 / 255, 206.0 / 255.0, 250.0 / 255.0, 0.0);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glColor3f(120.0 / 255.0 , 120.0 / 255.0, 120.0 / 255.0);

        glEnable(GL_NORMALIZE);
	glEnable(GL_COLOR_MATERIAL);

	glFlush();
}
开发者ID:DaikiMaekawa,项目名称:stlviewer,代码行数:55,代码来源:stl_viewer.c


示例2: main

int main(void)
{
    GLFWwindow* window;
    
    /* Initialize the library */
    if (!glfwInit())
        return -1;
    
    //使用OpenGL 3.2
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    
    /* Create a windowed mode window and its OpenGL context */
    window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        return -1;
    }

    /* Make the window's context current */
    glfwMakeContextCurrent(window);
    
    if(false==LoadImg("/Users/wistoneqqx/Documents/opengl/github/texture-maps-gl7/texture-maps/test01.jpg",0))
        printf("加载图片1失败!\n");
    
    if(false==LoadImg("/Users/wistoneqqx/Documents/opengl/github/texture-maps-gl7/texture-maps/test02.jpg",1))
        printf("加载图片2失败!\n");
    
    initShader();
    initTriangle();
    
    /* Loop until the user closes the window */
    while (!glfwWindowShouldClose(window))
    {
        /* Render here */
        
        glClearColor(0.0f,0.0f,0.0f,0.0f);
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        
        drawTriangle();
        
        /* Swap front and back buffers */
        glfwSwapBuffers(window);
        
        /* Poll for and process events */
        glfwPollEvents();
    }
    
    glfwDestroyWindow(window);
    glfwTerminate();
    return 0;
}
开发者ID:Nuos,项目名称:textureMapsGL7,代码行数:55,代码来源:main.cpp


示例3: sort

void Light::shine(sf::RenderWindow* win)
{
    for(int i=0;i<lights.size();i++)
    {
        std::vector<PointID> pnt;
        for(int j=0;j<tab.size();j++)
        {
            pnt.push_back(PointID(lights[i].first,tab[j].first,j));
            pnt.push_back(PointID(lights[i].first,tab[j].second,j));
        }
        sort(pnt.begin(), pnt.begin() + pnt.size(), cmp);
        for(int i=0;i<pnt.size()-1;i++)
            if(pnt[i].p==pnt[i+1].p)
            {
                pnt.erase(pnt.begin()+i);
                i--;
            }
        std::vector<Point> res;
        for(int j=0;j<pnt.size();j++)
        {
            res.push_back(pnt[j].p-lights[i].first);
            for(int k=0;k<tab.size();k++)
            {
                if(cross(lights[i].first,pnt[j].p,tab[k].first,tab[k].second))
                {
                    res.pop_back();
                    break;
                }
            }
        }
        for(int j=0;j<res.size()-1;j++)
        {
            drawTriangle(win,lights[i].first,res[j],res[j+1],lights[i].second);
        }
        drawTriangle(win,lights[i].first,res[0],res[res.size()-1],lights[i].second);

        sf::CircleShape circle(5);
        circle.setFillColor(lights[i].second);
        circle.move(lights[i].first-Point(5,5));
        win->draw(circle);
    }
}
开发者ID:BigDarkClown,项目名称:Light,代码行数:42,代码来源:Light.cpp


示例4: capturePoints

void capturePoints(int button,int state,int x,int y)
{
    if(points_count==0 || points_count==1)
        points_count++;
    else if((points_count%2==1) && (points_count < (2*max_points)+1))
    {
        printf("count=%d\n",points_count);
        points_count++;
    }
    else if((points_count%2==1) && (points_count==(2*max_points)+1))
    {
        printf("count=%d\n",points_count);
        points_count=2;
    }
    else if(points_count==2*max_points)
    {
        printf("need to add the points\n");
        printf("count=%d\n",points_count);
        end_points[(points_count/2)-1][0]=x;
        end_points[(points_count/2)-1][1]=500-y;
        points_count++;
        printf("%d %d\n",end_points[0][0],end_points[0][1]);
        printf("%d %d\n",end_points[1][0],end_points[1][1]);

        switch(global_primitive)
        {
        case 2 :
            drawLine();
            break;

        case 3 :
        {
            int rad=distance(end_points[0][0],end_points[0][1],end_points[1][0],end_points[1][1]);
            printf("%d\n",rad);
            drawCircle(rad,end_points[0][0],end_points[0][1]);
            break;
        }

        case 4 :
            drawTriangle();
            break;

        }

    }
    else
    {
        printf("need to add the points\n");
        printf("count=%d\n",points_count);
        end_points[(points_count/2)-1][0]=x;
        end_points[(points_count/2)-1][1]=500-y;
        points_count++;
    }
}
开发者ID:karthiksenthil,项目名称:thePaintApp,代码行数:54,代码来源:menu.c


示例5: testtriangles

void testtriangles()
{
    fillScreen(BLACK);
    uint16_t i;
    for (i=0; i<width()/2; i+=5)
    {
        drawTriangle(width()/2, height()/2-i,
            width()/2-i, height()/2+i,
            width()/2+i, height()/2+i, Color565(0, 0, i));
    }
}
开发者ID:blaezec,项目名称:stm32f4,代码行数:11,代码来源:main.c


示例6: display

void display()
{

 glClear(GL_COLOR_BUFFER_BIT);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    //glTranslatef(0, 0 , 0);
   drawTriangle(0.0,2.0,4);
    //glFlush();
     glutSwapBuffers();
}
开发者ID:asg09061,项目名称:Koch-Snowflake,代码行数:11,代码来源:kochSnowflake.cpp


示例7: triangleBinding

int triangleBinding(lua_State *L) {
    int x1,y1,x2,y2,x3,y3;

    x1 = lua_tonumber(L,-6);
    y1 = lua_tonumber(L,-5);
    x2 = lua_tonumber(L,-4);
    y2 = lua_tonumber(L,-3);
    x3 = lua_tonumber(L,-2);
    y3 = lua_tonumber(L,-1);
    drawTriangle(l81.fb,x1,y1,x2,y2,x3,y3,l81.r,l81.g,l81.b,l81.alpha);
    return 0;
}
开发者ID:r043v,项目名称:load81,代码行数:12,代码来源:load81.c


示例8: main

int main(void)
{
    GLFWwindow* window;
    
    /* Initialize the library */
    if (!glfwInit())
        return -1;
    
    //使用OpenGL 3.2
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    
    /* Create a windowed mode window and its OpenGL context */
    window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        return -1;
    }

    /* Make the window's context current */
    glfwMakeContextCurrent(window);
    
    /*设置键盘事件监听*/
    glfwSetKeyCallback(window,keyboardCallbackHandler);
    
    initData();
    initShader();
    
    /* Loop until the user closes the window */
    while (!glfwWindowShouldClose(window))
    {
        /* Render here */
        
        glClearColor(0.0f,0.0f,0.0f,0.0f);
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        glEnable(GL_DEPTH_TEST);
        
        drawTriangle();
        
        /* Swap front and back buffers */
        glfwSwapBuffers(window);
        
        /* Poll for and process events */
        glfwPollEvents();
    }
    
    glfwDestroyWindow(window);
    glfwTerminate();
    return 0;
}
开发者ID:sbxfc,项目名称:opengl,代码行数:53,代码来源:main.cpp


示例9: drawArc

void drawArc(int depart, int arrivee)
{	//Dessine un arc colorié entre le sommet de départ et le sommet d'arrivée, chaque sommet étant repréré par un indice (voir sommets.txt)
	if (G[depart][arrivee].poids != 1000)	//si l'arc existe
	{
		switch(G[depart][arrivee].couleur)
		{
			case 0 : 	drawBigLine(points[depart],points[arrivee],vert);
						drawTriangle(points[arrivee],5,vert);
						break;
			case 1 : 	drawBigLine(points[depart],points[arrivee],bleu);
						drawTriangle(points[arrivee],5,bleu);
						break;
			case 2 : 	drawBigLine(points[depart],points[arrivee],rouge); 
						drawTriangle(points[arrivee],5,rouge);
						break;
			case 3 : 	drawBigLine(points[depart],points[arrivee],gris);
						drawTriangle(points[arrivee],5,gris);
						break;
			case 4 : 	drawBigLine(points[depart],points[arrivee],noir);
						drawTriangle(points[arrivee],5,noir);
						break;
			default : 	drawBigLine(points[depart],points[arrivee],blanc);
						drawTriangle(points[arrivee],5,blanc);
						break;
		}
	}
}
开发者ID:Mzem,项目名称:Ski,代码行数:27,代码来源:affichage.c


示例10: display

void display(void)
{
  //カラーバッファのクリア
  glClear(GL_COLOR_BUFFER_BIT);
  //描画
  // シェーダプログラムの適用 
  glUseProgram(shaderProg);
  drawTriangle();
  // シェーダプログラムの適用を解除	
  glUseProgram(0);
  //終了
  glFlush();
}
开发者ID:kzfm1024,项目名称:misc,代码行数:13,代码来源:slTriangle.cpp


示例11: glClear

void Widget::paintGL()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
//    gluLookAt(radius*qCos(AngToRad*xRot), yRot, radius*qSin(AngToRad*xRot), 0, 0, 0, 0, 1, 0);
    if(isObjOn){
        drawObj();
    }
    else {
        drawTriangle();
    }
    glFlush();
}
开发者ID:shibajiu,项目名称:qt_code,代码行数:13,代码来源:widget.cpp


示例12: drawPolygon

Mat BodyModel::generateMat()
{
    _mask = Mat::zeros(_img_heigh, _img_width, CV_8UC3);
    // draw waist
    drawPolygon(_right_waist, _left_waist, _right_hip, _left_hip);
    // draw chest
    drawPolygon(_right_shoulder, _left_shoulder, _right_waist, _left_waist);
    // draw neck
    drawPolygon(Point(_center_x + _neck_width, _center_y - _neck_heigh),
        Point(_center_x - _neck_width, _center_y - _neck_heigh),
        Point(_center_x + _neck_width, _center_y),
        Point(_center_x - _neck_width, _center_y));
    // draw left arm
    drawPolygon(_left_shoulder, _left_arm_lower, _left_elbow_upper, _left_elbow_lower);
    // draw left hand
    drawBodyShape(_left_elbow_upper, _left_elbow_lower, _left_hand_upper, _left_hand_lower, -5);
    // draw right arm
    drawPolygon(_right_shoulder, _right_arm_lower, _right_elbow_upper, _right_elbow_lower);
    // draw right hand
    drawBodyShape(_right_elbow_upper, _right_elbow_lower, _right_hand_upper, _right_hand_lower, 5);
    // draw head
    drawCircle(_head_center, _head_radius);
    // draw left leg
    drawPolygon(_left_hip, _mid_hip, _left_knee, _left_knee_inner);
    // draw right leg
    drawPolygon(_right_hip, _mid_hip, _right_knee, _right_knee_inner);
    // draw left limb
    drawBodyShape(_left_knee, _left_knee_inner, _left_footrope, _left_heel, -10);
    // draw right limb
    drawBodyShape(_right_knee, _right_knee_inner, _right_footrope, _right_heel, 10);
    // draw left foot
    drawTriangle(_left_heel, _left_toe, _left_heel_upper);
    // draw right foot
    drawTriangle(_right_heel, _right_toe, _right_heel_upper);
    // draw shoulder
    drawTriangle(_right_shoulder, _left_shoulder, Point(_center_x, _center_y - _shoulder_heigh));

    return _mask;
}
开发者ID:chenww05,项目名称:M2M,代码行数:39,代码来源:BodyModel.cpp


示例13: drawRect

void gePropertyTransform::drawNode()
{
	drawRect(&m_cVBClientArea);

	geFontManager::g_pFontArial10_84Ptr->drawString(m_szName, 35, geFontManager::g_pFontArial10_84Ptr->getLineHeight(), m_cSize.x);

	if(m_vControls.size() && m_bHaveAtleastOneTreeNodeChild)
	{
		if(m_bNodeOpen)
			drawTriangle(&m_cVBLayoutToggleButtonLine[3*2], 0.3f, 0.3f, 0.3f, 1.0f, 3);
		else
			drawTriangle(&m_cVBLayoutToggleButtonLine[0], 0.3f, 0.3f, 0.3f, 1.0f, 3);
	}

	for(std::vector<geGUIBase*>::iterator it = m_vControls.begin(); it != m_vControls.end(); ++it)
	{
		geGUIBase* tvnode = *it;
		tvnode->draw();
	}

	if(m_pSprite)
		m_pSprite->draw();
}
开发者ID:arunmudhaliar,项目名称:GEAR_Alpha,代码行数:23,代码来源:gePropertyTransform.cpp


示例14: main

int main(int argc, char** argv) {
	// start GL context and O/S window using the GLFW helper library
	if (!glfwInit ()) {
	fprintf (stderr, "ERROR: could not start GLFW3\n");
	return 1;
	} 
    
	GLFWwindow* window = glfwCreateWindow (640, 480, "Hello Triangle", NULL, NULL);
	if (!window) {
		fprintf (stderr, "ERROR: could not open window with GLFW3\n");
		glfwTerminate();
		return 1;
	}
	glfwMakeContextCurrent (window);

	glewInit ();

	printMachineSpecification();

	// tell GL to only draw onto a pixel if the shape is closer to the viewer
	glEnable (GL_DEPTH_TEST); // enable depth-testing
	glDepthFunc (GL_LESS); // depth-testing interprets a smaller value as "closer"
	glShadeModel(GL_SMOOTH);


	float points[] = {
	   0.0f,  1.0f,  0.0f,
	   1.0f, -1.0f,  0.0f,
	   -1.0f, -1.0f,  0.0f
	};

	GLuint vao;
	createTriangle(&vao, points);
	GLuint shader_programme;
	createShader(&shader_programme, fragment_shader, vertex_shader);

	while (!glfwWindowShouldClose (window)) {
		// wipe the drawing surface clear
		glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
		drawTriangle(vao, shader_programme);
		// update other events like input handling 
		glfwPollEvents ();
		// put the stuff we've been drawing onto the display
		glfwSwapBuffers (window);
	}

	glfwTerminate();
    return 0;
}
开发者ID:luqmanarifin,项目名称:open-gl-grafika,代码行数:49,代码来源:triangle_grad.cpp


示例15: draw_cube

void draw_cube()
{
	sglClear(0.0, 0.0, 1.0);
	sglModLoadIdentity();
	sglViewLoadIdentity();
	sglLookAt(20, 10, 20, 0, 0, 0,0,0,1);
	sglModTranslate(0.0f, 0.0f, -10.0f);
	sglModRotate(angle, 1.0 ,1.0,1.0);

	drawTriangle();

	sglShow();
	angle += 0.075;

}
开发者ID:anku94,项目名称:simple-graphics-pipeline,代码行数:15,代码来源:main.cpp


示例16: testfilltriangles

void testfilltriangles()
{
    fillScreen(BLACK);
    uint16_t i;
    for (i=width()/2; i>10; i-=5)
    {
        fillTriangle(width()/2, height()/2-i,
            width()/2-i, height()/2+i,
            width()/2+i, height()/2+i, 
            Color565(0, i, i));
        drawTriangle(width()/2, height()/2-i,
            width()/2-i, height()/2+i,
            width()/2+i, height()/2+i, Color565(i, i, 0));    
    }
}
开发者ID:blaezec,项目名称:stm32f4,代码行数:15,代码来源:main.c


示例17: flashShape

void flashShape(int shape, WinDrawLine_fn WinDrawLine)
{
   switch(shape){
   case 0:
      drawRectangle(14+5,24+5,50-10,50-10,WinDrawLine);
      break;
   case 1:
      drawTriangle(90+5+5,34+5,70-10-10,WinDrawLine);
      break;
   case 2:
      drawDiamond(14+5,90+5,60-10, WinDrawLine);
      break;
   case 3:
      drawCircle(90+27,90+27,27+27-10,WinDrawLine);
      break;
   }
}
开发者ID:Gaoithe,项目名称:bgttoolbox,代码行数:17,代码来源:keepEupEGame.c


示例18: drawKeepEupEScreen

// will be called with next end as the last begin
// match == on begin only, otherwise get double markings
void drawKeepEupEScreen(void)
{
   DEBUGBOX("drawKeepEupEScreen","");
   clearScreen();
   drawRectangleSafe(14,24,50,50);
   DEBUGBOX("drawKeepEupEScreen","b4rect");
   // messes up &WinDrawLineF ptr setup somewhere here
   drawRectangle(14,24,50,50,&WinDrawLineF);

   DEBUGBOX("drawKeepEupEScreen","");
   drawTriangle(90,34,70,&WinDrawLineF);
   DEBUGBOX("drawKeepEupEScreen","");
   drawDiamond(14,90,60,&WinDrawLineF);
   DEBUGBOX("drawKeepEupEScreen","");
   drawCircle(90+27,90+27,27+27,&WinDrawLineF);
   DEBUGBOX("drawKeepEupEScreen","");
}
开发者ID:Gaoithe,项目名称:bgttoolbox,代码行数:19,代码来源:keepEupEGame.c


示例19: testtriangles

//*****************************************************************************
void testtriangles() {
  int color = 0xF800;
  int t;
  int w = width() / 2;
  int x = height() - 1;
  int y = 0;
  int z = width() - 1;

  fillScreen(BLACK);
  for (t = 0; t <= 15; t += 1) {
    drawTriangle(w, y, y, x, z, x, color);
    x -= 4;
    y += 4;
    z -= 4;
    color += 100;
    delay(10);
  }
}
开发者ID:billykwok,项目名称:TI-CC3200-IoT,代码行数:19,代码来源:test.c


示例20: display

void display(void){
	//calcWheelVert();
	calcTriangle();

	glGenBuffers(NumBuffers, Buffers);
	glBindBuffer(GL_ARRAY_BUFFER, Buffers[ArrayBuffer]);
	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
	glGenVertexArrays(NumVAOs, VAOs);
	glBindVertexArray(VAOs[Triangles]);
	glVertexAttribPointer(vPosition, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
	glEnableVertexAttribArray(vPosition);

	//glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
	glClearColor(0.9, 0.9, 0.9, 1);
	glClear(GL_COLOR_BUFFER_BIT);
	drawTriangle();
	glBindVertexArray(VAOs[Triangles]);
	glutSwapBuffers();
}
开发者ID:Nos-,项目名称:htw,代码行数:19,代码来源:prakt3.cpp



注:本文中的drawTriangle函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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