コード例 #1
0
// Callback function called by GLUT to render sub-window content
void DisplaySubWindow(void)
{
    float v[4]; // will be used to set light parameters
    float mat[4*4]; // rotation matrix
    SubWindowData *win;

    win = GetCurrentSubWindowData();
    if (win == NULL) return;

    // Tell AntTweakBar which is the current window
    TwSetCurrentWindow(win->WinID);

    // Clear frame buffer
    glClearColor(0, 0, 0, 1);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glEnable(GL_DEPTH_TEST);
    glDisable(GL_CULL_FACE);
    glEnable(GL_NORMALIZE);

    // Set light
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    v[0] = v[1] = v[2] = win->LightMultiplier*0.4f; v[3] = 1.0f;
    glLightfv(GL_LIGHT0, GL_AMBIENT, v);
    v[0] = v[1] = v[2] = win->LightMultiplier*0.8f; v[3] = 1.0f;
    glLightfv(GL_LIGHT0, GL_DIFFUSE, v);
    v[0] = -win->LightDirection[0]; v[1] = -win->LightDirection[1]; v[2] = -win->LightDirection[2]; v[3] = 0.0f;
    glLightfv(GL_LIGHT0, GL_POSITION, v);

    // Set material
    glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, win->MatAmbient);
    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, win->MatDiffuse);

    // Rotate and draw shape
    glPushMatrix();
    glTranslatef(0.5f, -0.3f, 0.0f);
    if( win->AutoRotate ) 
    {
        float axis[3] = { 0, 1, 0 };
        float angle = (float)(GetTimeMs()-win->RotateTime)/1000.0f;
        float quat[4];
        SetQuaternionFromAxisAngle(axis, angle, quat);
        MultiplyQuaternions(win->RotateStart, quat, win->Rotation);
    }
    ConvertQuaternionToMatrix(win->Rotation, mat);
    glMultMatrixf(mat);
    glScalef(win->Zoom, win->Zoom, win->Zoom);
    glCallList(win->ObjectShape);
    glPopMatrix();

    // Draw tweak bars
    TwDraw();

    // Present frame buffer
    glutSwapBuffers();

    // Recall Display at next frame
    glutPostRedisplay();
}
コード例 #2
0
ファイル: simple.cpp プロジェクト: RamboWu/openglex
void RenderScene()
{
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
#if FIX_FUNCTION
  glLightfv(GL_LIGHT0, GL_POSITION, g_lightPos);
#else
  if (lightPosLocation1 != -1)
  {
    //glUniformMatrix4fv(lightPosLocation, 1, GL_FALSE, lightPos);
    glUniform3fv(lightPosLocation1, 1, g_lightPos);
  }
#endif
  glMatrixMode(GL_MODELVIEW);
  glPushMatrix();
    gluLookAt(0.0, 0.0, 20.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
    glTranslatef(0.0f, 0.0f, -50.0f);
    float mat[4*4];
    ConvertQuaternionToMatrix(g_Rotate, mat);
  
    /*float invmat[4*4];
    m3dInvertMatrix44(invmat, mat);
    if (lightPosLocation != -1)
    {
      glUniformMatrix4fv(lightPosLocation, 1, GL_FALSE, mat);
    }*/
    glMultMatrixf(mat);
    
    DrawGround();
    DrawObjects();
  glPopMatrix();
  TwDraw();
  glutSwapBuffers();
  glutPostRedisplay();
}
コード例 #3
0
std::vector<double> randomshift_on_sphere(const std::vector<double> &insamples, int num_pts){

    std::vector<double> output(3*num_pts, 0.0);

    //Find two random vectors on the sphere
    double rx=0,ry=0,rz=0;
    uniformSampleSphere(drand48(), drand48(), &rx, &ry, &rz);
    double temp1[] = {rx, ry, rz};
    uniformSampleSphere(drand48(), drand48(), &rx, &ry, &rz);
    double temp2[]  = {rx, ry, rz};

    //Compute a quaternion from these vectors
    double quat[] = {0,0,0,1};
    QuaternionFromTwoVectors(temp1, temp2, quat);

    //Use the above quaternion to rotate all samples.
    for(int b = 0; b < num_pts; b++){
        double qmat[16], qvout[4];
        double qvec[] = {insamples[3*b+0], insamples[3*b+1], insamples[3*b+2],1};
        ConvertQuaternionToMatrix(quat, qmat);
        MultiplyVecMat(qmat, qvec, qvout);

        //rotated samples are here
        output[3*b+0] = (qvout[0]);
        output[3*b+1] = (qvout[1]);
        output[3*b+2] = (qvout[2]);
    }

    return output;
}
コード例 #4
0
ファイル: TwSimpleGLUT.cpp プロジェクト: Buanderie/gpufrustum
// Callback function called by GLUT to render screen
void Display(void)
{
    float v[4]; // will be used to set light paramters
    float mat[4*4]; // rotation matrix

    // Clear frame buffer
    glClearColor(0, 0, 0, 1);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glEnable(GL_DEPTH_TEST);
    glDisable(GL_CULL_FACE);
    glEnable(GL_NORMALIZE);

    // Set light
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    v[0] = v[1] = v[2] = g_LightMultiplier*0.4f; v[3] = 1.0f;
    glLightfv(GL_LIGHT0, GL_AMBIENT, v);
    v[0] = v[1] = v[2] = g_LightMultiplier*0.8f; v[3] = 1.0f;
    glLightfv(GL_LIGHT0, GL_DIFFUSE, v);
    v[0] = -g_LightDirection[0]; v[1] = -g_LightDirection[1]; v[2] = -g_LightDirection[2]; v[3] = 0.0f;
    glLightfv(GL_LIGHT0, GL_POSITION, v);

    // Set material
    glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, g_MatAmbient);
    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, g_MatDiffuse);

    // Rotate and draw shape
    glPushMatrix();
    glTranslatef(0.5f, -0.3f, 0.0f);
    if( g_AutoRotate ) 
    {
        float axis[3] = { 0, 1, 0 };
        float angle = (float)(glutGet(GLUT_ELAPSED_TIME)-g_RotateTime)/1000.0f;
        float quat[4];
        SetQuaternionFromAxisAngle(axis, angle, quat);
        MultiplyQuaternions(g_RotateStart, quat, g_Rotation);
    }
    ConvertQuaternionToMatrix(g_Rotation, mat);
    glMultMatrixf(mat);
    glScalef(g_Zoom, g_Zoom, g_Zoom);
    glCallList(g_CurrentShape);
    glPopMatrix();

    // Draw tweak bars
    TwDraw();

    // Present frame buffer
    glutSwapBuffers();

    // Recall Display at next frame
    glutPostRedisplay();
}
コード例 #5
0
ファイル: testApp.cpp プロジェクト: GunioRobot/ofxTwBar
//--------------------------------------------------------------
void testApp::draw(){
	float v[4]; // will be used to set light paramters
    float mat[4*4]; // rotation matrix
	
    // Clear frame buffer
    glClearColor(0, 0, 0, 1);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	
    glEnable(GL_DEPTH_TEST);
    glDisable(GL_CULL_FACE);
    glEnable(GL_NORMALIZE);
	
    // Set light
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    v[0] = v[1] = v[2] = g_LightMultiplier*0.4f; v[3] = 1.0f;
    glLightfv(GL_LIGHT0, GL_AMBIENT, v);
    v[0] = v[1] = v[2] = g_LightMultiplier*0.8f; v[3] = 1.0f;
    glLightfv(GL_LIGHT0, GL_DIFFUSE, v);
    v[0] = -g_LightDirection.x; v[1] = -g_LightDirection.y; v[2] = -g_LightDirection.z; v[3] = 0.0f;
    glLightfv(GL_LIGHT0, GL_POSITION, v);
	
    // Set material
    glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, g_MatAmbient);
    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, g_MatDiffuse);
	
    // Rotate and draw shape
    glPushMatrix();
    //glTranslatef(0.5f, -0.3f, 0.0f);
	glTranslatef(ofGetWidth()/2, ofGetHeight()/2, 0.0f);
    ConvertQuaternionToMatrix(g_Rotation, mat);
    glMultMatrixf(mat);
    glScalef(g_Zoom, g_Zoom, g_Zoom);
    glCallList(g_CurrentShape);
    glPopMatrix();
	
	//TWEAK BAR
	bar.draw();
}
コード例 #6
0
ファイル: Chapter-11.cpp プロジェクト: aggelog/CG-database
int main (int argc, const char * argv[])
{

	TwBar *myBar;
	float bgColor[] = { 0.0f, 0.0f, 0.0f, 0.1f };

	glm::mat4 mat;
	float axis[] = { 0.7f, 0.7f, 0.7f }; // initial model rotation
    float angle = 0.8f;

	double FT  = 0;
	double FPS = 0;

	double starting = 0.0;
	double ending   = 0.0;
	int rate = 0;
	int fr = 0;

	zNear = 0.1f;
	zFar  = 100.0f;
	FOV   = 45.0f; 

	// Current time
	double time = 0;

	 // initialise GLFW
    int running = GL_TRUE;

    if (!glfwInit()) {
        exit(EXIT_FAILURE);
    }
    
    //only for OpenGL 2.1
#ifdef USE_OPENGL21
    glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 2);
    glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 1);
#endif
    
    //Only for OpenGL 3.2
#ifdef USE_OPENGL32
    glfwOpenWindowHint(GLFW_FSAA_SAMPLES, 4);
    glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
    glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 2);
    glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwOpenWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, 1);
#endif

	GLFWvidmode mode;
    glfwGetDesktopMode(&mode);
    if( !glfwOpenWindow(windowWidth, windowHeight, mode.RedBits, mode.GreenBits, mode.BlueBits, 0, 32, 0, GLFW_WINDOW /* or GLFW_FULLSCREEN */) )
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }
    glfwEnable(GLFW_MOUSE_CURSOR);
    glfwEnable(GLFW_KEY_REPEAT);
    // Ensure we can capture the escape key being pressed below
	glfwEnable( GLFW_STICKY_KEYS );
	glfwSetMousePos(windowWidth/2, windowHeight/2);
    glfwSetWindowTitle("Chapter-11");

	// Initialize AntTweakBar
    if ( !TwInit(TW_OPENGL_CORE, NULL))
	{
		fprintf(stderr,"AntweakBar initialiazation failed: %s\n",TwGetLastError());
		exit(1);
	}

    // Create a tweak bar
	myBar = TwNewBar("TweakBar");

    //init GLEW and basic OpenGL information
    // VERY IMPORTANT OTHERWISE GLEW CANNOT HANDLE GL3
#ifdef USE_OPENGL32
    glewExperimental = true; 
#endif
    glewInit();
    std::cout<<"\nUsing GLEW "<<glewGetString(GLEW_VERSION)<<std::endl;
    if (GLEW_VERSION_2_1)
    {
        std::cout<<"\nYay! OpenGL 2.1 is supported and GLSL 1.2!\n"<<std::endl;
    }
    if (GLEW_VERSION_3_2)
    {
        std::cout<<"Yay! OpenGL 3.2 is supported and GLSL 1.5!\n"<<std::endl;
    }
    
    /*
     This extension defines an interface that allows various types of data
     (especially vertex array data) to be cached in high-performance
     graphics memory on the server, thereby increasing the rate of data
     transfers.
     Chunks of data are encapsulated within "buffer objects", which
     conceptually are nothing more than arrays of bytes, just like any
     chunk of memory.  An API is provided whereby applications can read
     from or write to buffers, either via the GL itself (glBufferData,
     glBufferSubData, glGetBufferSubData) or via a pointer to the memory.
     */
	if (glewIsSupported("GL_ARB_vertex_buffer_object"))
		std::cout<<"ARB VBO's are supported"<<std::endl;
    else if (glewIsSupported("GL_APPLE_vertex_buffer_object"))
		std::cout<<"APPLE VBO's are supported"<<std::endl;
	else
		std::cout<<"VBO's are not supported,program will not run!!!"<<std::endl; 
    
    /* 
     This extension introduces named vertex array objects which encapsulate
     vertex array state on the client side. The main purpose of these 
     objects is to keep pointers to static vertex data and provide a name 
     for different sets of static vertex data.  
     By extending vertex array range functionality this extension allows multiple
     vertex array ranges to exist at one time, including their complete sets of
     state, in manner analogous to texture objects. 
     GenVertexArraysAPPLE creates a list of n number of vertex array object
     names.  After creating a name, BindVertexArrayAPPLE associates the name with
     a vertex array object and selects this vertex array and its associated
     state as current.  To get back to the default vertex array and its
     associated state the client should bind to vertex array named 0.
     */
    
	if (glewIsSupported("GL_ARB_vertex_array_object"))
        std::cout<<"ARB VAO's are supported\n"<<std::endl;
    else if (glewIsSupported("GL_APPLE_vertex_array_object"))//this is the name of the extension for GL2.1 in MacOSX
		std::cout<<"APPLE VAO's are supported\n"<<std::endl;
	else
		std::cout<<"VAO's are not supported, program will not run!!!\n"<<std::endl;
    
    
    std::cout<<"Vendor: "<<glGetString (GL_VENDOR)<<std::endl;
    std::cout<<"Renderer: "<<glGetString (GL_RENDERER)<<std::endl;
    std::cout<<"Version: "<<glGetString (GL_VERSION)<<std::endl;
   
	std::ostringstream stream1,stream2;

	stream1 << glGetString(GL_VENDOR);
	stream2 << glGetString(GL_RENDERER);

	std::string vendor ="Title : Chapter-11   Vendor : " + stream1.str() + "   Renderer : " +stream2.str();

	const char *tit = vendor.c_str();
	glfwSetWindowTitle(tit);
    // Set GLFW event callbacks
    // - Redirect window size changes to the callback function WindowSizeCB
    glfwSetWindowSizeCallback(WindowSizeCB);
    
    // - Directly redirect GLFW mouse button events to AntTweakBar
    glfwSetMouseButtonCallback((GLFWmousebuttonfun)TwEventMouseButtonGLFW);
    
    // - Directly redirect GLFW mouse position events to AntTweakBar
    glfwSetMousePosCallback((GLFWmouseposfun)TwEventMousePosGLFW);
    
    // - Directly redirect GLFW mouse wheel events to AntTweakBar
    glfwSetMouseWheelCallback((GLFWmousewheelfun)TwEventMouseWheelGLFW);
    
    // - Directly redirect GLFW key events to AntTweakBar
    glfwSetKeyCallback((GLFWkeyfun)TwEventKeyGLFW);
    
    // - Directly redirect GLFW char events to AntTweakBar
    glfwSetCharCallback((GLFWcharfun)TwEventCharGLFW);


	TwDefine("TweakBar label='Main TweakBar' alpha=0 help='Use this bar to control the objects of the scene.' ");

	// Add 'wire' to 'myBar': it is a modifable variable of type TW_TYPE_BOOL32 (32 bits boolean). Its key shortcut is [w].
    TwAddVarRW(myBar, "wireframe mode", TW_TYPE_BOOL32, &wireFrame," label='Wireframe mode' key=w help='Toggle wireframe display mode.' ");

	// Add 'bgColor' to 'myBar': it is a modifable variable of type TW_TYPE_COLOR3F (3 floats color)
    TwAddVarRW(myBar, "bgColor", TW_TYPE_COLOR3F, &bgColor, " label='Background color' ");

	// Add 'Rotation' to 'myBar': this is a variable of type TW_TYPE_QUAT4F which defines the scene's orientation
    TwAddVarRW(myBar, "SceneRotation", TW_TYPE_QUAT4F, &Rotation," label='Scene rotation' opened=true help='Change the scenes orientation.' ");

	TwAddButton(myBar, "Reset", ResetView,NULL," label='Reset View' ");

	TwAddVarRW(myBar, "Near Clip Plane", TW_TYPE_FLOAT, &zNear,"min=0.5 max=100 step=0.5 label='Near Clip' group='Projection Properties'");

	TwAddVarRW(myBar, "Far Clip Plane", TW_TYPE_FLOAT, &zFar," min=0.5 max=1000 step=0.5 label='Far Clip' group='Projection Properties'");

	TwAddVarRW(myBar, "Field of View", TW_TYPE_FLOAT, &FOV," label='FoV' readonly=true group='Projection Properties'");

	TwAddVarRW(myBar, "MS per 1 Frame" , TW_TYPE_DOUBLE, &FPS, "label='MS per 1 Frame' readonly=true group='Frame Rate'");

	TwAddVarRW(myBar, "Frames Per Second" , TW_TYPE_INT32, &rate, "label='FPS' readonly=true group='Frame Rate'");

	TwAddVarRW(myBar, "vSYNC" , TW_TYPE_BOOL8, &SYNC, "label='vSync' readonly=true group='Frame Rate'");
	
	 // Enable depth test
	glEnable(GL_DEPTH_TEST);
	// Accept fragment if it closer to the camera than the former one
	glDepthFunc(GL_LESS);

	initPlane(); //initialize Plane

	init3Dmodel(); // initialize 3D model

	create_Bump_bar();

	GLfloat rat = 0.001f;

	if(SYNC == false)
	{
		rat = 0.001f;
	}
	else
	{
		rat = 0.01f;
	}

	// Initialize time
    time = glfwGetTime();
	double currentTime;
	float lastTime = 0.0f;

	int Frames = 0;
	double LT = glfwGetTime();
	starting = glfwGetTime();

	setVSync(SYNC);

	while (running) {

		glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
        glClearColor( bgColor[0], bgColor[1], bgColor[2], bgColor[3]); //black color

		FOV = initialFoV - 5 * glfwGetMouseWheel();

		if(camera == true)
		{
			glfwGetMousePos(&xpos,&ypos);
			glfwSetMousePos(windowWidth/2, windowHeight/2);
		
			horizAngle  += mouseSpeedo * float(windowWidth/2 - xpos );
			verticAngle += mouseSpeedo * float( windowHeight/2 - ypos );
		}

		glm::vec3 direction(cos(verticAngle) * sin(horizAngle),sin(verticAngle),cos(verticAngle) * cos(horizAngle));

		glm::vec3 right = glm::vec3(sin(horizAngle - 3.14f/2.0f),0,cos(horizAngle - 3.14f/2.0f));

		glm::vec3 up = glm::cross( right, direction );

		currentTime = glfwGetTime();
		float dTime = float(currentTime - lastTime);
		lastTime = (float)currentTime;

		// Move forward
		if (glfwGetKey( GLFW_KEY_UP ) == GLFW_PRESS){
			pos += direction * dTime* speedo;
		}
		// Move backward
		if (glfwGetKey( GLFW_KEY_DOWN ) == GLFW_PRESS){
			pos -= direction * dTime * speedo;
		}
		// Strafe right
		if (glfwGetKey( GLFW_KEY_RIGHT ) == GLFW_PRESS){
			pos += right * dTime * speedo;
		}
		//Strafe left
		if (glfwGetKey( GLFW_KEY_LEFT ) == GLFW_PRESS){
				pos -= right * dTime * speedo;
		}

		if (glfwGetKey(GLFW_KEY_SPACE) == GLFW_PRESS){

			if(camera == false)
			{
				camera=true;
				glfwSetMousePos(windowWidth/2, windowHeight/2);
				glfwGetMousePos(&xpos,&ypos);
			}
			else
			{
				camera=false;
				glfwSetMousePos(windowWidth/2, windowHeight/2);
				glfwGetMousePos(&xpos,&ypos);
			}
		}

		mat = ConvertQuaternionToMatrix(Rotation, mat);

		glm::mat4 cube;

		glm::mat4 translateMat = glm::mat4();
		translateMat = glm::translate(translateMat,glm::vec3(5.0,3.0,4.0));

		cube  = mat * translateMat;

		displayPlane(mat,pos,direction,up);

		display3Dmodel(cube,mat,pos,direction,up);

		// drawing the AntWeakBar
		if (wireFrame)
		{
			glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
			TwDraw();
		}
		else
		{
			glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
			TwDraw();
		}
		fr++;
		ending = glfwGetTime();

		if(ending - starting >= 1)
		{
			rate = fr;
			fr = 0;
			starting = glfwGetTime();
		}

		double CT = glfwGetTime();
		Frames++;
		if(CT -LT >= 1.0)
		{
			FPS = 1000.0 / (double)Frames;
			Frames = 0;
			LT += 1.0f;
		}

        glfwSwapBuffers();
        //check if ESC was pressed
        running=!glfwGetKey(GLFW_KEY_ESC) && glfwGetWindowParam(GLFW_OPENED);
    }

	//close OpenGL window and  terminate AntTweakBar and GLFW
    TwTerminate();
    glfwTerminate();
    
    
    exit(EXIT_SUCCESS);
    
}
コード例 #7
0
ファイル: main.cpp プロジェクト: Sylvanuszhy/IBL
// Callback function called by GLUT to render screen
void Display(void)
{

	// Clear frame buffer
	glClearColor(0.7, 0.7, 0.7, 1);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	glEnable(GL_DEPTH_TEST);
	glDisable(GL_CULL_FACE);
	glEnable(GL_NORMALIZE);

	float lightPositon[4];
	float l = sqrtf(powf(lightDirection[0], 2) + powf(lightDirection[1], 2) + powf(lightDirection[2], 2));
	lightPositon[0] = -lightDistance*lightDirection[0] / l;
	lightPositon[1] = -lightDistance*lightDirection[1] / l;
	lightPositon[2] = -lightDistance*lightDirection[2] / l;
	lightPositon[3] = 1.0f;                                 // point light

	glUseProgram(0);
	glPushMatrix();
	glTranslatef(0.5f, -0.3f, 0.0f);
	if (g_AutoRotate)
	{
		float axis[3] = { 0, 1, 0 };
		float angle = (float)(GetTimeMs() - g_RotateTime) / 1000.0f;
		float quat[4];
		SetQuaternionFromAxisAngle(axis, angle, quat);
		MultiplyQuaternions(g_RotateStart, quat, g_Rotation);
	}
	ConvertQuaternionToMatrix(g_Rotation, mat);
	glMultMatrixf(mat);
	glScalef(g_Zoom, g_Zoom, g_Zoom);
	glCallList(DRAW_EN);
	glPopMatrix();

	GLuint currentProgram = programs[currentShader];
	if (currentShader == 1) {
		glUseProgram(0);
		glEnable(GL_LIGHTING);
		glEnable(GL_LIGHT0);
		glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
		glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse);
		glLightfv(GL_LIGHT0, GL_SPECULAR, lightDiffuse);
		glLightfv(GL_LIGHT0, GL_POSITION, lightPositon);

		float materialAmbient[] = { rf[0] * 0.2f, rf[1] * 0.2f, rf[2] * 0.2f };
		float materialDiffuse[] = { rf[0] * 0.6f, rf[1] * 0.6f, rf[2] * 0.6f };
		float materialSpecular[] = { 1 - rf[0] * roughness / 2, 1 - rf[1] * roughness / 2, 1 - rf[2] * roughness / 2 };
		glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, materialAmbient);
		glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, materialDiffuse);
		glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, materialSpecular);
		glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 24);
	} else {
		glUseProgram(currentProgram);
		glUniform1i(glGetUniformLocation(currentProgram, "env_brdf"), IBL);
		//#####glUniform1i(glGetUniformLocation(currentProgram, "env_map"), MAP);
		glUniform1i(glGetUniformLocation(currentProgram, "cubemap"), MAP);
		glUniform1i(glGetUniformLocation(currentProgram, "tex"), TEX);
		//glUniform1i(glGetUniformLocation(currentShader, "lightNum"), 0);
		//glUniform1f(glGetUniformLocation(currentProgram, "density"), lightAmbient[1]);
		//glUniform3fv(glGetUniformLocation(currentProgram, "ambient"), 1, lightAmbient);
		glLightfv(GL_LIGHT0, GL_POSITION, lightPositon);
		glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse);
		glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
		//glUniform3fv(glGetUniformLocation(currentProgram, "lightPos"), 1, lightPositon);
		//glUniform3fv(glGetUniformLocation(currentProgram, "diffuse"), 1, lightDiffuse);
		glUniform3fv(glGetUniformLocation(currentProgram, "rf"), 1, rf);
		glUniform1f(glGetUniformLocation(currentProgram, "roughness"), roughness);
		glUniform1i(glGetUniformLocation(currentProgram, "iftex"), -1);
		glUniformMatrix4fv(glGetUniformLocation(currentProgram, "g_rotation"), 1, GL_FALSE, mat);		
	}

	// Rotate and draw shape
	glPushMatrix();
	glTranslatef(0.5f, -0.3f, 0.0f);
	if (g_AutoRotate)
	{
		float axis[3] = { 0, 1, 0 };
		float angle = (float)(GetTimeMs() - g_RotateTime) / 1000.0f;
		float quat[4];
		SetQuaternionFromAxisAngle(axis, angle, quat);
		MultiplyQuaternions(g_RotateStart, quat, g_Rotation);
	}
	ConvertQuaternionToMatrix(g_Rotation, mat);
	glMultMatrixf(mat);
	glScalef(g_Zoom, g_Zoom, g_Zoom);
	glCallList(g_CurrentShape);
	glPopMatrix();

	glUseProgram(0);
	// Draw tweak bars
	TwDraw();

	// Present frame buffer
	glutSwapBuffers();

	// Recall Display at next frame
	glutPostRedisplay();
}
コード例 #8
0
ファイル: Main.cpp プロジェクト: rashikamishra/CS-6323
void Display(void)
{
	//display the background image here
	
	/*glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	glOrtho(0, 1, 0, 1, -1, 1);
	glDisable(GL_DEPTH_TEST);
	glDisable(GL_LIGHTING);
	glDepthMask(GL_FALSE);
	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
	glRasterPos2i(0, 0);
	glDrawPixels()*/

	/*
	glClearColor(1.0, 0.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glLoadIdentity();
	glEnable(GL_TEXTURE_2D);
	*/
	//background();


		float v[4]; 
		float v1[4];
		float mat[4 * 4];

		glClearColor(0, 0, 0, 1);
		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

		glEnable(GL_DEPTH_TEST);
		glDisable(GL_CULL_FACE);
		glEnable(GL_NORMALIZE);

		glEnable(GL_LIGHTING);
		glEnable(GL_LIGHT0);
		v[0] = v[1] = v[2] = g_LightMultiplier*0.4f; v[3] = 1.0f;
		glLightfv(GL_LIGHT0, GL_AMBIENT, v);
		v[0] = v[1] = v[2] = g_LightMultiplier*0.8f; v[3] = 1.0f;
		glLightfv(GL_LIGHT0, GL_DIFFUSE, v);
		v[0] = -g_LightDirection[0]; v[1] = -g_LightDirection[1]; v[2] = -g_LightDirection[2]; v[3] = 0.0f;
		glLightfv(GL_LIGHT0, GL_POSITION, v);
		

		glEnable(GL_LIGHTING);
		glEnable(GL_LIGHT1);
		v1[0] = v1[1] = v1[2] = g_LightMultiplier*0.4f; v1[3] = 1.0f;
		glLightfv(GL_LIGHT1, GL_AMBIENT, v1);
		v1[0] = v1[1] = v1[2] = g_LightMultiplier*0.8f; v1[3] = 1.0f;
		glLightfv(GL_LIGHT1, GL_DIFFUSE, v1);
		v1[0] = -g_LightDirection2[0]; v1[1] = -g_LightDirection2[1]; v1[2] = -g_LightDirection2[2]; v1[3] = 0.0f;
		glLightfv(GL_LIGHT1, GL_POSITION, v1);

		glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, g_MatAmbient1);
		glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, g_MatDiffuse1);

		glPushMatrix();
		glTranslatef(0.5f, -0.3f, 0.0f);
		if (g_AutoRotate)
		{
			float axis[3] = { 0, 1, 0 };
			float angle = (float)(GetTimeMs() - g_RotateTime) / 1000.0f;
			float quat[4];
			SetQuaternionFromAxisAngle(axis, angle, quat);
			MultiplyQuaternions(g_RotateStart, quat, g_Rotation);
		}
		ConvertQuaternionToMatrix(g_Rotation, mat);
		glMultMatrixf(mat);
		glScalef(g_Zoom, g_Zoom, g_Zoom);
		Matrices identity;
		animation->evaluate(newTime);
		if (animate){
			float timeDiff = currentTime - prevTime;
			prevTime = currentTime;
			currentTime = time(NULL);
			newTime = newTime + 0.01;
		}
		skeletonWasp->calculate(identity.IDENTITY);
		skinningWasp->update();
		skinningWasp->draw();		
		glPopMatrix();
	

	TwDraw();

	glutSwapBuffers();

	glutPostRedisplay();
}