void setup_rc() {
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
shader_light = gltLoadShaderPairWithAttributes("gouraud_shading.vp", "gouraud_shading.fp", 3, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color", GLT_ATTRIBUTE_NORMAL, "vertex_normal");
shader_color = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color");
mvp_matrix_location_shader_color = glGetUniformLocation(shader_color, "mvp_matrix");
mvp_matrix_location = glGetUniformLocation(shader_light, "mvp_matrix");
mv_matrix_location = glGetUniformLocation(shader_light, "mv_matrix");
v_matrix_location = glGetUniformLocation(shader_light, "v_matrix");
normal_matrix_location = glGetUniformLocation(shader_light, "normal_matrix");
intensity_ambient_component_location = glGetUniformLocation(shader_light, "intensity_ambient_component");
light_0_position_location = glGetUniformLocation(shader_light, "light_0.position");
light_0_intensity_diffuse_location = glGetUniformLocation(shader_light, "light_0.intensity_diffuse");
light_0_intensity_specular_location = glGetUniformLocation(shader_light, "light_0.intensity_specular");
light_0_attenuation_location = glGetUniformLocation(shader_light, "light_0.attenuation");
material_0_ka_location = glGetUniformLocation(shader_light, "material_0.ka");
material_0_kd_location = glGetUniformLocation(shader_light, "material_0.kd");
material_0_ks_location = glGetUniformLocation(shader_light, "material_0.ks");
material_0_alpha_location = glGetUniformLocation(shader_light, "material_0.alpha");
light_0.set_position(0.0f, 0.0f, 0.0f);
light_0.set_intensity_diffuse(1.0f, 1.0f, 1.0f);
light_0.set_intensity_specular(1.0f, 1.0f, 1.0f);
light_0.set_attenuation(0.0f, 0.1f, 0.0f);
material_0.set_parameters(1.0f, 1.0f, 1.0f, 200.0f);
geometry_pipeline.SetMatrixStacks(mv_stack, p_stack);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glFrontFace(GL_CCW);
}
///////////////////////////////////////////////////////////////////////////////
// This is called at least once and before any rendering occurs. If the screen
// is a resizeable window, then this will also get called whenever the window
// is resized.
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
// update screen sizes
screenWidth = nWidth;
screenHeight = nHeight;
glBindRenderbuffer(GL_RENDERBUFFER, depthBufferName);
#ifndef ANGLE
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT32, screenWidth, screenHeight);
#else
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, screenWidth, screenHeight);
#endif
glBindRenderbuffer(GL_RENDERBUFFER, renderBufferNames[0]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, screenWidth, screenHeight);
glBindRenderbuffer(GL_RENDERBUFFER, renderBufferNames[1]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, screenWidth, screenHeight);
glBindRenderbuffer(GL_RENDERBUFFER, renderBufferNames[2]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, screenWidth, screenHeight);
}
void render()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
updateCamera();
GLGeometryTransform geometryPipeline;
GLMatrixStack modelViewStack;
GLMatrixStack projectionStack;
geometryPipeline.SetMatrixStacks(modelViewStack, projectionStack);
projectionStack.LoadMatrix(frustum.GetProjectionMatrix());
M3DMatrix44f cameraMatrix;
frame.GetCameraMatrix(cameraMatrix);
modelViewStack.PushMatrix(cameraMatrix);
glUniformMatrix4fv(projectionMatrixLocation, 1, GL_FALSE, geometryPipeline.GetProjectionMatrix());
glUniformMatrix4fv(modelViewMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
glUniformMatrix4fv(normalMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
modelViewStack.PushMatrix();
modelViewStack.Translate(0.0, 1.0, 0.0);
glUniformMatrix4fv(projectionMatrixLocation, 1, GL_FALSE, geometryPipeline.GetProjectionMatrix());
glUniformMatrix4fv(modelViewMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
glUniformMatrix4fv(normalMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
glDrawElements(GL_TRIANGLES, 3 * n_faces, GL_UNSIGNED_INT, 0);
modelViewStack.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
void SetupRC() {
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
glEnable(GL_DEPTH_TEST);
shader = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vVertex", GLT_ATTRIBUTE_NORMAL, "vNormal");
fprintf(stdout, "GLT_ATTRIBUTE_VERTEX : %d\nGLT_ATTRIBUTE_COLOR : %d \n", GLT_ATTRIBUTE_VERTEX, GLT_ATTRIBUTE_COLOR);
shaderColorLocation = glGetUniformLocation(shader, "light1.color");
shaderAngleLocation = glGetUniformLocation(shader, "light1.angle");
shaderAttenuation0Location = glGetUniformLocation(shader, "light1.attenuation0");
shaderAttenuation1Location = glGetUniformLocation(shader, "light1.attenuation1");
shaderAttenuation2Location = glGetUniformLocation(shader, "light1.attenuation2");
MVMatrixLocation = glGetUniformLocation(shader,"MVMatrix");
MVPMatrixLocation = glGetUniformLocation(shader,"MVPMatrix");
normalMatrixLocation = glGetUniformLocation(shader,"normalMatrix");
ambientLightLocation = glGetUniformLocation(shader,"ambientLight");
shaderPositionLocation = glGetUniformLocation(shader, "light1.position");
shaderAmbientColorLocation = glGetUniformLocation(shader, "material.ambientColor");
shaderDiffuseColorLocation = glGetUniformLocation(shader, "material.diffuseColor");
shaderSpecularColorLocation = glGetUniformLocation(shader, "material.specularColor");
shaderSpecularExponentLocation = glGetUniformLocation(shader, "material.specularExponent");
if(MVMatrixLocation==-1){
fprintf(stderr,"uniform MVMatrix could not be found\n");
}
geometryPipeline.SetMatrixStacks(modelView, projection);
M3DVector3f eye = {1.0f, 1.0f, 1.0f};
M3DVector3f at = {5.0f, 5.0f, 5.0f};
M3DVector3f up = {1.0f, 1.0f, 1.0f};
LookAt(cameraFrame, eye, at, up);
}
void ChangeSize(int w, int h){
if(h == 0) { h = 1; }
glViewport(0, 0, w, h);
viewFrustum.SetPerspective(35.0f, float(w)/float(h), 1.0f, 1000.0f);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
geometryPipeline.SetMatrixStacks(modelView, projection);
}
///////////////////////////////////////////////////////////////////////////////
// This is called at least once and before any rendering occurs. If the screen
// is a resizeable window, then this will also get called whenever the window
// is resized.
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
// update screen sizes
screenWidth = nWidth;
screenHeight = nHeight;
// reset screen aligned quad
gltGenerateOrtho2DMat(screenWidth, screenHeight, orthoMatrix, screenQuad);
free(pixelData);
pixelDataSize = screenWidth*screenHeight*3*sizeof(unsigned int);
pixelData = (void*)malloc(pixelDataSize);
// Resize PBOs
#ifndef OPENGL_ES
glBindBuffer(GL_PIXEL_PACK_BUFFER, pixBuffObjs[0]);
glBufferData(GL_PIXEL_PACK_BUFFER, pixelDataSize, pixelData, GL_DYNAMIC_COPY);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
#endif
gltCheckErrors();
}
///////////////////////////////////////////////////////////////////////////////
// Window has changed size, or has just been created. In either case, we need
// to use the window dimensions to set the viewport and the projection matrix.
void ChangeSize(int w, int h)
{
glViewport(0, 0, w, h);
viewFrustum.SetPerspective(35.0f, float(w) / float(h), 1.0f, 500.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
}
void Reshape(int w,int h)
{
if(h == 0) h = 1;
glViewport(0,0,w,h);
viewFrustum.SetPerspective(35.0,(float) w /(float) h,1.0,2000.0);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeLine.SetMatrixStacks(modelViewMatrix,projectionMatrix);
}
void changeSize(int w, int h)
{
glViewport(0, 0, w, h);
if(h <= 0) {h = 1;}
viewFrustum.SetPerspective(35.0f, float(w)/float(h), 1.0f, 100.0f);
projectionStack.LoadMatrix(viewFrustum.GetProjectionMatrix());
tPipeline.SetMatrixStacks(modelViewStack, projectionStack);
}
///////////////////////////////////////////////////
// Screen changes size or is initialized
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
// Create the projection matrix, and load it on the projection matrix stack
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
// Set the transformation pipeline to use the two matrix stacks
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
void ResizeWindow(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
// Create the projection matrix, and load it on the projection matrix stack
viewFrustum.SetPerspective(FRUSTUM_FIELD_OF_VIEW, float(nWidth)/float(nHeight), FRUSTUM_NEAR_PLANE, FRUSTUM_FAR_PLANE);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
// Set the transformation pipeline to use the two matrix stacks
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
void ChangeSize(int w, int h)
{
if (h <= 0)
{
h = 1;
}
glViewport(0, 0, w, h);
viewFrustum.SetPerspective(80.0f, float(w) / float(h), 1.0f, 120.0f);
projctionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeLine.SetMatrixStacks(modelViewMatrix, projctionMatrix);
}
void Reshape(int width,int height)
{
glViewport(0,0,width,height);
transformPipeline.SetMatrixStacks(modelViewMatrix,projectionMatrix);
viewFrustum.SetPerspective(35.0f,float(width)/float(height),1.0f,100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
screenHeight = height;
screenWidth = width;
}
///////////////////////////////////////////////////////////////////////////////
// This is called at least once and before any rendering occurs. If the screen
// is a resizeable window, then this will also get called whenever the window
// is resized.
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
modelViewMatrix.LoadIdentity();
// update screen sizes
screenWidth = nWidth;
screenHeight = nHeight;
GenerateOrtho2DMat(nWidth, nHeight, hdrTexturesWidth[curHDRTex], hdrTexturesHeight[curHDRTex]);
}
void ChangeSize(int w, int h)
{
// Prevent a divide by zero
if(h == 0)
h = 1;
// Set Viewport to window dimensions
glViewport(0, 0, w, h);
viewFrustum.SetPerspective(35.0f, float(w)/float(h), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
void ChangeSize(int w, int h)
{
// Prevent a divide by zero
if(h == 0)
h = 1;
// Set Viewport to window dimensions
glViewport(0, 0, w, h);
viewFrustum.SetOrthographic(-130.0f, 130.0f, -130.0f, 130.0f, -130.0f, 130.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatix, projectionMatrix);
}
void SetupRC() {
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
glEnable(GL_DEPTH_TEST);
shader = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vVertex", GLT_ATTRIBUTE_COLOR, "vColor");
fprintf(stdout, "GLT_ATTRIBUTE_VERTEX : %d\nGLT_ATTRIBUTE_COLOR : %d \n", GLT_ATTRIBUTE_VERTEX, GLT_ATTRIBUTE_COLOR);
MVMatrixLocation=glGetUniformLocation(shader,"MVMatrix");
if(MVMatrixLocation==-1){
fprintf(stderr,"uniform MVMatrix could not be found\n");
}
geometryPipeline.SetMatrixStacks(modelView, projection);
M3DVector3f eye = {1.0f, 1.0f, 10.0f};
M3DVector3f at = {0.0f, 0.0f, 0.0f};
M3DVector3f up = {0.0f, 0.0f, 0.5f};
LookAt(cameraFrame, eye, at, up);
}
/////////////////////////////////////////////////////////////////////
// Change viewing volume and viewport. Called when window is resized
void ChangeSize(int w, int h)
{
GLfloat fAspect;
// Prevent a divide by zero
if(h == 0)
h = 1;
// Set Viewport to window dimensions
glViewport(0, 0, w, h);
fAspect = (GLfloat)w/(GLfloat)h;
// Produce the perspective projection
viewFrustum.SetPerspective(80.0f,fAspect,1.0,120.0);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
// Initialisierung des Rendering Kontextes
void SetupRC() {
// Schwarzer Hintergrund
glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
// In Uhrzeigerrichtung zeigende Polygone sind die Vorderseiten.
// Dies ist umgekehrt als bei der Default-Einstellung weil wir Triangle_Fans benützen
glFrontFace(GL_CW);
//initialisiert die standard shader
shaderManager.InitializeStockShaders();
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
//erzeuge die geometrie
CreateCone(0, 0, 0);
CreateCube(0, 0, 0);
CreateCylinder(0, 0, 0);
CreateSphere(0, 0, 0);
InitGUI();
}
///////////////////////////////////////////////////////////////////////////////
// This is called at least once and before any rendering occurs. If the screen
// is a resizeable window, then this will also get called whenever the window
// is resized.
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
// update screen sizes
screenWidth = nWidth;
screenHeight = nHeight;
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, hdrTextures[0]);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, 8, GL_RGB16F, screenWidth, screenHeight, GL_FALSE);
GenerateOrtho2DMat(nWidth, nHeight);
glUseProgram(0);
}
void setup_rc() {
load_vertices("geode_vertices.dat", vertices);
load_faces("geode_faces.dat", faces);
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(float), &vertices[0], GL_STATIC_DRAW);
glVertexAttribPointer(GLT_ATTRIBUTE_VERTEX, 4 ,GL_FLOAT,GL_FALSE, sizeof(float) * 7, (const GLvoid *)0);
glVertexAttribPointer(GLT_ATTRIBUTE_NORMAL, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const GLvoid *)(4*sizeof(float)) );
glEnableVertexAttribArray(GLT_ATTRIBUTE_VERTEX);
glEnableVertexAttribArray(GLT_ATTRIBUTE_NORMAL);
//---
glGenBuffers(1, &faces_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, faces_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, faces.size() * sizeof(GLuint), &faces[0], GL_STATIC_DRAW);
//---
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
shader_light = gltLoadShaderPairWithAttributes("gouraud_shading.vp", "gouraud_shading.fp", 3, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color", GLT_ATTRIBUTE_NORMAL, "vertex_normal");
shader_color = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color");
mvp_matrix_location_shader_color = glGetUniformLocation(shader_color, "mvp_matrix");
mvp_matrix_location = glGetUniformLocation(shader_light, "mvp_matrix");
mv_matrix_location = glGetUniformLocation(shader_light, "mv_matrix");
v_matrix_location = glGetUniformLocation(shader_light, "v_matrix");
normal_matrix_location = glGetUniformLocation(shader_light, "normal_matrix");
intensity_ambient_component_location = glGetUniformLocation(shader_light, "intensity_ambient_component");
light_0_position_location = glGetUniformLocation(shader_light, "light_0.position");
light_0_intensity_diffuse_location = glGetUniformLocation(shader_light, "light_0.intensity_diffuse");
light_0_intensity_specular_location = glGetUniformLocation(shader_light, "light_0.intensity_specular");
light_0_attenuation_location = glGetUniformLocation(shader_light, "light_0.attenuation");
material_0_ka_location = glGetUniformLocation(shader_light, "material_0.ka");
material_0_kd_location = glGetUniformLocation(shader_light, "material_0.kd");
material_0_ks_location = glGetUniformLocation(shader_light, "material_0.ks");
material_0_alpha_location = glGetUniformLocation(shader_light, "material_0.alpha");
light_0.set_position(0.0f, 0.0f, 0.0f);
light_0.set_intensity_diffuse(1.0f, 1.0f, 1.0f);
light_0.set_intensity_specular(1.0f, 1.0f, 1.0f);
light_0.set_attenuation(0.0f, 0.1f, 0.0f);
material_0.set_parameters(1.0f, 1.0f, 1.0f, 200.0f);
geometry_pipeline.SetMatrixStacks(mv_stack, p_stack);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glFrontFace(GL_CCW);
}
void setupRC()
{
glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
glEnable(GL_DEPTH_TEST);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
shaderManager.InitializeStockShaders();
pipelineTransform.SetMatrixStacks(modelViewM, projectionM);
generateCuboidBatch(cuboidBatch, cuboidLength, cuboidWidth, cuboidHeigth);
glGenTextures(2, textureID);
glBindTexture(GL_TEXTURE_2D, textureID[0]);
LoadTGATexture("stone.tga", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR_MIPMAP_LINEAR, GL_CLAMP_TO_EDGE);
glBindTexture(GL_TEXTURE_2D, textureID[1]);
LoadTGATexture("black_white.tga", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR_MIPMAP_LINEAR, GL_REPEAT);
if(gltIsExtSupported("GL_EXT_texture_filter_anisotropic")) {
isAnisotropySupported = true;
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest);
printf("anisotropy is supported, largest %f\n", largest);
}
}
///////////////////////////////////////////////////////////////////////////////
// This function does any needed initialization on the rendering context.
// This is the first opportunity to do any OpenGL related tasks.
void SetupRC()
{
// Black background
glClearColor(0.7f, 0.7f, 0.7f, 1.0f );
shaderManager.InitializeStockShaders();
glEnable(GL_DEPTH_TEST);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
cameraFrame.MoveForward(-15.0f);
//////////////////////////////////////////////////////////////////////
// Some points, more or less in the shape of Florida
GLfloat vCoast[24][3] = {{2.80, 1.20, 0.0 }, {2.0, 1.20, 0.0 },
{2.0, 1.08, 0.0 }, {2.0, 1.08, 0.0 },
{0.0, 0.80, 0.0 }, {-.32, 0.40, 0.0 },
{-.48, 0.2, 0.0 }, {-.40, 0.0, 0.0 },
{-.60, -.40, 0.0 }, {-.80, -.80, 0.0 },
{-.80, -1.4, 0.0 }, {-.40, -1.60, 0.0 },
{0.0, -1.20, 0.0 }, { .2, -.80, 0.0 },
{.48, -.40, 0.0 }, {.52, -.20, 0.0 },
{.48, .20, 0.0 }, {.80, .40, 0.0 },
{1.20, .80, 0.0 }, {1.60, .60, 0.0 },
{2.0, .60, 0.0 }, {2.2, .80, 0.0 },
{2.40, 1.0, 0.0 }, {2.80, 1.0, 0.0 }};
// Load point batch
pointBatch.Begin(GL_POINTS, 24);
pointBatch.CopyVertexData3f(vCoast);
pointBatch.End();
// Load as a bunch of line segments
lineBatch.Begin(GL_LINES, 24);
lineBatch.CopyVertexData3f(vCoast);
lineBatch.End();
// Load as a single line segment
lineStripBatch.Begin(GL_LINE_STRIP, 24);
lineStripBatch.CopyVertexData3f(vCoast);
lineStripBatch.End();
// Single line, connect first and last points
lineLoopBatch.Begin(GL_LINE_LOOP, 24);
lineLoopBatch.CopyVertexData3f(vCoast);
lineLoopBatch.End();
// For Triangles, we'll make a Pyramid
GLfloat vPyramid[12][3] = { -2.0f, 0.0f, -2.0f,
2.0f, 0.0f, -2.0f,
0.0f, 4.0f, 0.0f,
2.0f, 0.0f, -2.0f,
2.0f, 0.0f, 2.0f,
0.0f, 4.0f, 0.0f,
2.0f, 0.0f, 2.0f,
-2.0f, 0.0f, 2.0f,
0.0f, 4.0f, 0.0f,
-2.0f, 0.0f, 2.0f,
-2.0f, 0.0f, -2.0f,
0.0f, 4.0f, 0.0f};
triangleBatch.Begin(GL_TRIANGLES, 12);
triangleBatch.CopyVertexData3f(vPyramid);
triangleBatch.End();
// For a Triangle fan, just a 6 sided hex. Raise the center up a bit
GLfloat vPoints[100][3]; // Scratch array, more than we need
int nVerts = 0;
GLfloat r = 3.0f;
vPoints[nVerts][0] = 0.0f;
vPoints[nVerts][1] = 0.0f;
vPoints[nVerts][2] = 0.0f;
for(GLfloat angle = 0; angle < M3D_2PI; angle += M3D_2PI / 6.0f) {
nVerts++;
vPoints[nVerts][0] = float(cos(angle)) * r;
vPoints[nVerts][1] = float(sin(angle)) * r;
vPoints[nVerts][2] = -0.5f;
}
// Close the fan
nVerts++;
vPoints[nVerts][0] = r;
vPoints[nVerts][1] = 0;
vPoints[nVerts][2] = 0.0f;
// Load it up
triangleFanBatch.Begin(GL_TRIANGLE_FAN, 8);
triangleFanBatch.CopyVertexData3f(vPoints);
triangleFanBatch.End();
// For triangle strips, a little ring or cylinder segment
int iCounter = 0;
GLfloat radius = 3.0f;
for(GLfloat angle = 0.0f; angle <= (2.0f*M3D_PI); angle += 0.3f)
{
GLfloat x = radius * sin(angle);
GLfloat y = radius * cos(angle);
// Specify the point and move the Z value up a little
vPoints[iCounter][0] = x;
vPoints[iCounter][1] = y;
vPoints[iCounter][2] = -0.5;
iCounter++;
vPoints[iCounter][0] = x;
vPoints[iCounter][1] = y;
vPoints[iCounter][2] = 0.5;
iCounter++;
}
// Close up the loop
vPoints[iCounter][0] = vPoints[0][0];
vPoints[iCounter][1] = vPoints[0][1];
vPoints[iCounter][2] = -0.5;
iCounter++;
vPoints[iCounter][0] = vPoints[1][0];
vPoints[iCounter][1] = vPoints[1][1];
vPoints[iCounter][2] = 0.5;
iCounter++;
// Load the triangle strip
triangleStripBatch.Begin(GL_TRIANGLE_STRIP, iCounter);
triangleStripBatch.CopyVertexData3f(vPoints);
triangleStripBatch.End();
}
void RenderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
static CStopWatch Timer;
float angle = Timer.GetElapsedSeconds() * 3/7;
GLfloat position[] = { 1.0f, 1.0f, .5f };
GLfloat color[] = { 1.0f, 1.0f, 1.0f };
GLfloat angle2 = 90.0f;
GLfloat attenuation0 = 0.1f;
GLfloat attenuation1 = 0.1f;
GLfloat attenuation2 = 0.1f;
GLfloat ambientColor[] = { 0.1f, 0.5f, 0.1f };
GLfloat diffuseColor[] = { 1.0f, 1.0f, 0.0f };
GLfloat specularColor[] = { 0.0f, 0.0f, 1.0f };
GLfloat specularExponent = 100.0f;
GLMatrixStack modelView;
GLMatrixStack projection;
M3DVector3f at={0,0,0};
M3DVector3f up={0,0,1};
M3DVector3f eye;
eye[0] = 2 * cos(angle);
eye[1] = 2 * sin(angle);
eye[2] = 10;
LookAt(cameraFrame,eye,at,up);
GLGeometryTransform geometryPipeline;
geometryPipeline.SetMatrixStacks(modelView,projection);
projection.LoadMatrix(frustum.GetProjectionMatrix());
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
for(int i=-10; i<=10; ++i)
{
glBegin(GL_LINES);
glVertex3f(-10, i, 0);
glVertex3f(10, i, 0);
glEnd();
glBegin(GL_LINES);
glVertex3f(i, -10, 0);
glVertex3f(i, 10, 0);
glEnd();
}
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(0,0.0,0.0);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, angle2);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
GLuint vertex_buffer;
glGenBuffers(1,&vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER,n_vertices*sizeof(float)*7,&vertices[0],GL_STATIC_DRAW);
if(glGetError()!=GL_NO_ERROR) {
fprintf(stderr,"error copying vertices\n");
}
glVertexAttribPointer(GLT_ATTRIBUTE_VERTEX,4,GL_FLOAT,GL_FALSE,sizeof(float)*7,(const GLvoid *)0);
glVertexAttribPointer(GLT_ATTRIBUTE_NORMAL,3,GL_FLOAT,GL_FALSE,sizeof(float)*7,(const GLvoid *)(4*sizeof(float)) );
glEnableVertexAttribArray(GLT_ATTRIBUTE_VERTEX);
glEnableVertexAttribArray(GLT_ATTRIBUTE_NORMAL);
GLuint faces_buffer;
glGenBuffers(1,&faces_buffer);
if(glGetError()!=GL_NO_ERROR) {
fprintf(stderr,"faces_buffer invalid\n");
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,faces_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,n_faces*sizeof(GLuint)*3,&faces[0],GL_STATIC_DRAW);
if(glGetError()!=GL_NO_ERROR) {
fprintf(stderr,"error copying faces\n");
}
glDrawElements(GL_TRIANGLES,3*n_faces,GL_UNSIGNED_INT,0);
modelView.PopMatrix();
// Perform the buffer swap to display back buffer
glUseProgram(0);
glutSwapBuffers();
glutPostRedisplay();
}
void RenderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUniform3fv(shaderMaterialAmbientLocation, 1, ambientColor);
glUniform3fv(shaderMaterialDiffuseLocation, 1, diffuseColor);
glUniform3fv(shaderMaterialSpecularLocation, 1, specularColor);
glUniform1f(shaderMaterialSpecularExponentLocation, specularExponent);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
GLMatrixStack modelView;
GLMatrixStack projection;
GLGeometryTransform geometryPipeline;
geometryPipeline.SetMatrixStacks(modelView,projection);
projection.LoadMatrix(frustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujSiatke();
modelView.PushMatrix();
modelView.Translate(0.0f,0.0f,-1.f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(MNMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujTrojkat();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(0.0f,4.0f,0.f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(MNMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujTrojkat();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(3.0f,-3.0f,0.f);
modelView.Scale(2.0f,2.0f,2.f);
modelView.Rotate(45,0,0,1);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(MNMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujTrojkat();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(3.0f,3.0f,0.f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(MNMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
drawTriangles(20, ico_vertices,ico_faces);
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(0.0f,0.0f,7.f);
modelView.Rotate(90+rotAngle,1,1,1);
modelView.Scale(2.0f,2.5f,2.5f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(MNMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
drawTriangles(20, ico_vertices,ico_faces);
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-4.0f,0.0f,4.f);
modelView.Scale(2.0f,2.0f,2.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(MNMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glDrawElements(GL_TRIANGLES,3*n_faces,GL_UNSIGNED_INT,0);
modelView.PopMatrix();
// Perform the buffer swap to display back buffer
glutSwapBuffers();
rotAngle+=5.f;
if(!stopRotate){
M3DVector3f at={0,0,0};
M3DVector3f up={0,0,1};
M3DVector3f eye;
float angle = timer.GetElapsedSeconds()*3.14159f /3.f;
eye[0]=16.f*cos(angle);
eye[1]=40.0f*sin(angle);
eye[2]=20.0f;
LookAt(cameraFrame,eye,at,up);
}
glutPostRedisplay();
}
void SetupRC()
{
glClearColor(0.7f, 0.7f, 0.7f, 1.0f );
shaderManager.InitializeStockShaders();
glEnable(GL_DEPTH_TEST);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
cameraFrame.MoveForward(-15.0f);
// 一组图元顶点——长得像佛罗里达州
GLfloat vCoast[24][3] = {
{2.80, 1.20, 0.0 }, {2.0, 1.20, 0.0 },
{2.0, 1.08, 0.0 }, {2.0, 1.08, 0.0 },
{0.0, 0.80, 0.0 }, {-.32, 0.40, 0.0 },
{-.48, 0.2, 0.0 }, {-.40, 0.0, 0.0 },
{-.60, -.40, 0.0 }, {-.80, -.80, 0.0 },
{-.80, -1.4, 0.0 }, {-.40, -1.60, 0.0 },
{0.0, -1.20, 0.0 }, { .2, -.80, 0.0 },
{.48, -.40, 0.0 }, {.52, -.20, 0.0 },
{.48, .20, 0.0 }, {.80, .40, 0.0 },
{1.20, .80, 0.0 }, {1.60, .60, 0.0 },
{2.0, .60, 0.0 }, {2.2, .80, 0.0 },
{2.40, 1.0, 0.0 }, {2.80, 1.0, 0.0 }
};
// 点批次
pointBatch.Begin(GL_POINTS, 24);
pointBatch.CopyVertexData3f(vCoast);
pointBatch.End();
// 线段批次
lineBatch.Begin(GL_LINES, 24);
lineBatch.CopyVertexData3f(vCoast);
lineBatch.End();
// 线批次
lineStripBatch.Begin(GL_LINE_STRIP, 24);
lineStripBatch.CopyVertexData3f(vCoast);
lineStripBatch.End();
// 循环线批次
lineLoopBatch.Begin(GL_LINE_LOOP, 24);
lineLoopBatch.CopyVertexData3f(vCoast);
lineLoopBatch.End();
GLfloat vPyramid[12][3] = {
-2.0f, 0.0f, -2.0f,
2.0f, 0.0f, -2.0f,
0.0f, 4.0f, 0.0f,
2.0f, 0.0f, -2.0f,
2.0f, 0.0f, 2.0f,
0.0f, 4.0f, 0.0f,
2.0f, 0.0f, 2.0f,
-2.0f, 0.0f, 2.0f,
0.0f, 4.0f, 0.0f,
-2.0f, 0.0f, 2.0f,
-2.0f, 0.0f, -2.0f,
0.0f, 4.0f, 0.0f
};
triangleBatch.Begin(GL_TRIANGLES, 12);
triangleBatch.CopyVertexData3f(vPyramid);
triangleBatch.End();
GLfloat vPoints[100][3];
int nVerts = 0;
GLfloat r = 3.0f;
vPoints[nVerts][0] = 0.0f;
vPoints[nVerts][1] = 0.0f;
vPoints[nVerts][2] = 0.0f;
for(GLfloat angle = 0; angle < M3D_2PI; angle += M3D_2PI / 6.0f)
{
nVerts++;
vPoints[nVerts][0] = float(cos(angle)) * r;
vPoints[nVerts][1] = float(sin(angle)) * r;
vPoints[nVerts][2] = -0.5f;
}
nVerts++;
vPoints[nVerts][0] = r;
vPoints[nVerts][1] = 0;
vPoints[nVerts][2] = 0.0f;
triangleFanBatch.Begin(GL_TRIANGLE_FAN, 8);
triangleFanBatch.CopyVertexData3f(vPoints);
triangleFanBatch.End();
int iCounter = 0;
GLfloat radius = 3.0f;
for(GLfloat angle = 0.0f; angle <= (2.0f * M3D_PI); angle += 0.3f)
{
GLfloat x = radius * sin(angle);
GLfloat y = radius * cos(angle);
vPoints[iCounter][0] = x;
vPoints[iCounter][1] = y;
vPoints[iCounter][2] = -0.5;
iCounter++;
vPoints[iCounter][0] = x;
vPoints[iCounter][1] = y;
vPoints[iCounter][2] = 0.5;
iCounter++;
}
vPoints[iCounter][0] = vPoints[0][0];
vPoints[iCounter][1] = vPoints[0][1];
vPoints[iCounter][2] = -0.5;
iCounter++;
vPoints[iCounter][0] = vPoints[1][0];
vPoints[iCounter][1] = vPoints[1][1];
vPoints[iCounter][2] = 0.5;
iCounter++;
triangleStripBatch.Begin(GL_TRIANGLE_STRIP, iCounter);
triangleStripBatch.CopyVertexData3f(vPoints);
triangleStripBatch.End();
}
void RenderScene(void) {
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
//glFrontFace(GL_CW);
glUseProgram(shader);
float angle=timer.GetElapsedSeconds()*M_PI/5;
M3DVector3f at={1,0,0};
M3DVector3f up={0,0,1};
M3DVector3f eye;
eye[0]=6.0f*cos(angle);
eye[1]=6.0f*sin(angle);
eye[2]=kz;
LookAt(cameraFrame,eye,at,up);
geometryPipeline.SetMatrixStacks(modelView,projection);
//swiatlo
M3DVector3f ambientLight = {1.0f, 1.0f, 1.0f};
M3DVector3f position = {2.0f, 2.0f, 5.0f};
M3DVector3f color = {1.0f, 1.0f, 1.0f};
float l_angle = 90.0f;
float attenuation0 = 0.5f;
float attenuation1 = 0.02f;
float attenuation2 = 0.05f;
M3DVector3f ambientColor = {0.1f, 0.1, 0.1};
M3DVector3f diffuseColor = {0.184f, 0.598f, 0.75f};
M3DVector3f specularColor = {1.0f, 1.0f, 1.0f};
float specularExponent = 9;
float ico_vertices[3 * 12] = {
0., 0., -0.9510565162951536,
0., 0., 0.9510565162951536,
-0.85065080835204, 0., -0.42532540417601994,
0.85065080835204, 0., 0.42532540417601994,
0.6881909602355868, -0.5, -0.42532540417601994,
0.6881909602355868, 0.5, -0.42532540417601994,
-0.6881909602355868, -0.5, 0.42532540417601994,
-0.6881909602355868, 0.5, 0.42532540417601994,
-0.2628655560595668, -0.8090169943749475, -0.42532540417601994,
-0.2628655560595668, 0.8090169943749475, -0.42532540417601994,
0.2628655560595668, -0.8090169943749475, 0.42532540417601994,
0.2628655560595668, 0.8090169943749475, 0.42532540417601994};
int ico_faces[3*20] = {
1 , 11 , 7 ,
1 , 7 , 6 ,
1 , 6 , 10 ,
1 , 10 , 3 ,
1 , 3 , 11 ,
4 , 8 , 0 ,
5 , 4 , 0 ,
9 , 5 , 0 ,
2 , 9 , 0 ,
8 , 2 , 0 ,
11 , 9 , 7 ,
7 , 2 , 6 ,
6 , 8 , 10 ,
10 , 4 , 3 ,
3 , 5 , 11 ,
4 , 10 , 8 ,
5 , 3 , 4 ,
9 , 11 , 5 ,
2 , 7 , 9 ,
8 , 6 , 2 };
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
glPolygonOffset(1.0f, 1.0f);
drawGrid();
glEnable(GL_POLYGON_OFFSET_FILL);
drawGrid();
glDisable(GL_POLYGON_OFFSET_FILL);
modelView.Translate(-2.0f,-2.0f,2.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
drawTriangles(20, ico_vertices, ico_faces);
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(2.0,2.0,2.0);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
drawSmoothTriangles(20, ico_vertices, ico_faces);
modelView.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// This function does any needed initialization on the rendering context.
// This is the first opportunity to do any OpenGL related tasks.
void SetupRC()
{
GLbyte *pBytes;
GLint nWidth, nHeight, nComponents;
GLenum format;
shaderManager.InitializeStockShaders();
// Black background
glClearColor(0.0f, 0.0f, 0.0f, 1.0f );
glEnable(GL_DEPTH_TEST);
glLineWidth(2.5f);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
cameraFrame.MoveForward(-15.0f);
cameraFrame.MoveUp(6.0f);
cameraFrame.RotateLocalX(float(m3dDegToRad(20.0f)));
MakeCube(cubeBatch);
MakeFloor(floorBatch);
// Make top
topBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
topBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
topBlock.Vertex3f(1.0f, 1.0f, 1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
topBlock.Vertex3f(1.0f, 1.0f, -1.0f);
topBlock.Normal3f(0.0f, 1.0f, 0.0f);
topBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
topBlock.Vertex3f(-1.0f, 1.0f, -1.0f);
topBlock.End();
// Make Front
frontBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
frontBlock.Vertex3f(-1.0f, -1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
frontBlock.Vertex3f(1.0f, -1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
frontBlock.Vertex3f(1.0f, 1.0f, 1.0f);
frontBlock.Normal3f(0.0f, 0.0f, 1.0f);
frontBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
frontBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
frontBlock.End();
// Make left
leftBlock.Begin(GL_TRIANGLE_FAN, 4, 1);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 0.0f, 0.0f);
leftBlock.Vertex3f(-1.0f, -1.0f, -1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 1.0f, 0.0f);
leftBlock.Vertex3f(-1.0f, -1.0f, 1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 1.0f, 1.0f);
leftBlock.Vertex3f(-1.0f, 1.0f, 1.0f);
leftBlock.Normal3f(-1.0f, 0.0f, 0.0f);
leftBlock.MultiTexCoord2f(0, 0.0f, 1.0f);
leftBlock.Vertex3f(-1.0f, 1.0f, -1.0f);
leftBlock.End();
// Create shadow projection matrix
GLfloat floorPlane[] = { 0.0f, 1.0f, 0.0f, 1.0f};
m3dMakePlanarShadowMatrix(shadowMatrix, floorPlane, vLightPos);
// Load up four textures
glGenTextures(4, textures);
// Wood floor
pBytes = gltReadTGABits("floor.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// One of the block faces
pBytes = gltReadTGABits("Block4.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// Another block face
pBytes = gltReadTGABits("block5.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[2]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
// Yet another block face
pBytes = gltReadTGABits("block6.tga", &nWidth, &nHeight, &nComponents, &format);
glBindTexture(GL_TEXTURE_2D, textures[3]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D,0,nComponents,nWidth, nHeight, 0,
format, GL_UNSIGNED_BYTE, pBytes);
free(pBytes);
}
void RenderScene(void) {
load_vertices("geode_vertices.dat", vertices);
load_faces("geode_faces.dat", faces);
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(float), &vertices[0], GL_STATIC_DRAW);
glVertexAttribPointer(GLT_ATTRIBUTE_VERTEX, 4 ,GL_FLOAT,GL_FALSE, sizeof(float) * 7, (const GLvoid *)0);
glVertexAttribPointer(GLT_ATTRIBUTE_NORMAL, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const GLvoid *)(4*sizeof(float)) );
glEnableVertexAttribArray(GLT_ATTRIBUTE_VERTEX);
glEnableVertexAttribArray(GLT_ATTRIBUTE_NORMAL);
//---
glGenBuffers(1, &faces_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, faces_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, faces.size() * sizeof(GLuint), &faces[0], GL_STATIC_DRAW);
//---
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
// Obracanie widoku
float angle =timer.GetElapsedSeconds()*PI/4;
posVector[0] = -8.0f * cos(angle / 2.0f);
posVector[1] = -8.0f * sin(angle / 2.0f);
posVector[2] = 5.0f;
swiatlo0.position[0] = 8.0f * cos(-angle);
swiatlo0.position[1] = 15.0f * sin(-angle);
swiatlo0.position[2] = 5.0f;
LookAt(viewFrame, posVector, atVector, upVector);
geometryPipeline.SetMatrixStacks(modelView,projection);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
viewFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
//glUseProgram(shader);
modelView.Translate(swiatlo0.position[0], swiatlo0.position[1], swiatlo0.position[2]);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
modelView.PopMatrix();
//mno¿enie macierzy
//modelView.MultMatrix(mCamera);
// modelView.PushMatrix();
//m3dMatrixMultiply44(mModelViewProjection, viewFrustum.GetProjectionMatrix(), mCamera);
// wrzucanie do shadera
glUniformMatrix3fv(NMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(VMmatrixLocation, 1, GL_FALSE, mCamera);
glUniform3fv(iambient_component_location, 1, iambient_component);
glUniform3fv(swiatlo0_location, 1, swiatlo0.position);
glUniform3fv(swiatlo0_idiffuse_location, 1, swiatlo0.idiffuse);
glUniform3fv(swiatlo0_ispecular_location, 1, swiatlo0.ispecular);
glUniform3fv(swiatlo0_attenuation_location, 1, swiatlo0.attenuation);
glUniform1f(material0_ka_location, material0.ka);
glUniform1f(material0_kd_location, material0.kd);
glUniform1f(material0_ks_location, material0.ks);
glUniform1f(material0_alpha_location, material0.alpha);
//--
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
//DrawPramid(0.5,0.0,1.0);
drawTriangles(20,ico_vertices,ico_faces);
// rysowanie siatki --------------------------------------------------------------------------
glEnable(GL_CULL_FACE);
glPolygonOffset(1.0f, 1.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0, 1.0, 1.0);
glEnable(GL_POLYGON_OFFSET_FILL);
glBegin(GL_QUADS);
glVertex3f(10, -10.0f, 0.0f);
glVertex3f(-10, -10.0f, 0.0f);
glVertex3f(-10, 10.0f, 0.0f);
glVertex3f(10, 10.0f, 0.0f);
glEnd();
glDisable(GL_POLYGON_OFFSET_FILL);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0, 1.0, 1.0);
for(int i=-10;i<=10;i++){
glBegin(GL_LINES);
glVertex3f((float)i, -10.0f, 0.0f);
glVertex3f((float)i, 10.0f, 0.0f);
glEnd();
}
for(int i=-10;i<=10;i++){
glBegin(GL_LINES);
glVertex3f(-10.0f, (float)i, 0.0f);
glVertex3f(10.0f, (float)i, 0.0f);
glEnd();
}
glDisable(GL_CULL_FACE);
//sphereBatch.Draw();
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
modelView.PopMatrix();
// rysowanie siatki - koniec -------------------------------------------------------------------
//matrixStack.Translate(10.0f,1.0f,0.0f);
// macierz translacji i macierz rotacji
//M3DMatrix44f mT,mR;
// m3dTranslationMatrix44(mT,0.0f,3.0f,0.0f);
//m3dRotationMatrix44(mR, angle, 0.0f, 0.0f, 1.0f);
//mno¿enie macierzy translacji i macierzy rotacji
//m3dMatrixMultiply44(mM,mT,mR);
//mno¿enie macierzy przekszta³ceñ i macierzy projekcji modelwidok
// m3dMatrixMultiply44(mModelViewProjection,mModelViewProjection, mM);
//wysy³anie macierzy projekcji modelwidok do shadera
//glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, mModelViewProjection);
//TriangleFace(position,color,atVector);
//DrawPramid(0.5,0.0,1.0);
//drawTriangles(20, ico_vertices, ico_faces);
//matrixStack.PopMatrix();
//matrixStack.Rotate(45.0,0,0,1);
//matrixStack.Translate(0.0,0.0,1.0);
//glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
//DrawPramid(0.5,0.0,1.0);
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
modelView.PopMatrix();
glUseProgram(Pshader);//wywo³anie shadera
// Perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
