void display()
{
g_LightTimer.Update();
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(g_pPlaneMesh && g_pCylinderMesh && g_pCubeMesh)
{
glutil::MatrixStack modelMatrix;
modelMatrix.SetMatrix(g_viewPole.CalcMatrix());
const glm::vec4 &worldLightPos = CalcLightPosition();
const glm::vec4 &lightPosCameraSpace = modelMatrix.Top() * worldLightPos;
ProgramData &whiteProg = g_Programs[g_eLightModel].whiteProg;
ProgramData &colorProg = g_Programs[g_eLightModel].colorProg;
glUseProgram(whiteProg.theProgram);
glUniform4f(whiteProg.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(whiteProg.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform3fv(whiteProg.cameraSpaceLightPosUnif,1, glm::value_ptr(lightPosCameraSpace));
glUniform1f(whiteProg.lightAttenuationUnif, g_fLightAttenuation);
glUniform1f(whiteProg.shininessFactorUnif, g_matParams);
glUniform4fv(whiteProg.baseDiffuseColorUnif, 1,
g_bDrawDark ? glm::value_ptr(g_darkColor) : glm::value_ptr(g_lightColor));
glUseProgram(colorProg.theProgram);
glUniform4f(colorProg.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(colorProg.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform3fv(colorProg.cameraSpaceLightPosUnif, 1, glm::value_ptr(lightPosCameraSpace));
glUniform1f(colorProg.lightAttenuationUnif, g_fLightAttenuation);
glUniform1f(colorProg.shininessFactorUnif, g_matParams);
glUseProgram(0);
{
glutil::PushStack push(modelMatrix);
//Render the ground plane.
{
glutil::PushStack push(modelMatrix);
glm::mat3 normMatrix(modelMatrix.Top());
normMatrix = glm::transpose(glm::inverse(normMatrix));
glUseProgram(whiteProg.theProgram);
glUniformMatrix4fv(whiteProg.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniformMatrix3fv(whiteProg.normalModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
g_pPlaneMesh->Render();
glUseProgram(0);
}
//Render the Cylinder
{
glutil::PushStack push(modelMatrix);
modelMatrix.ApplyMatrix(g_objtPole.CalcMatrix());
if(g_bScaleCyl)
modelMatrix.Scale(1.0f, 1.0f, 0.2f);
glm::mat3 normMatrix(modelMatrix.Top());
normMatrix = glm::transpose(glm::inverse(normMatrix));
ProgramData &prog = g_bDrawColoredCyl ? colorProg : whiteProg;
glUseProgram(prog.theProgram);
glUniformMatrix4fv(prog.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniformMatrix3fv(prog.normalModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
if(g_bDrawColoredCyl)
g_pCylinderMesh->Render("lit-color");
else
g_pCylinderMesh->Render("lit");
glUseProgram(0);
}
//Render the light
if(g_bDrawLightSource)
{
glutil::PushStack push(modelMatrix);
modelMatrix.Translate(glm::vec3(worldLightPos));
modelMatrix.Scale(0.1f, 0.1f, 0.1f);
glUseProgram(g_Unlit.theProgram);
glUniformMatrix4fv(g_Unlit.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniform4f(g_Unlit.objectColorUnif, 0.8078f, 0.8706f, 0.9922f, 1.0f);
g_pCubeMesh->Render("flat");
}
}
}
glutPostRedisplay();
glutSwapBuffers();
}
void display()
{
g_LightTimer.Update();
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(g_pPlaneMesh && g_pCylinderMesh && g_pCubeMesh)
{
glutil::MatrixStack modelMatrix;
modelMatrix.SetMatrix(g_viewPole.CalcMatrix());
const glm::vec4 &worldLightPos = CalcLightPosition();
glm::vec4 lightPosCameraSpace = modelMatrix.Top() * worldLightPos;
glUseProgram(g_WhiteDiffuseColor.theProgram);
glUniform3fv(g_WhiteDiffuseColor.lightPosUnif, 1, glm::value_ptr(lightPosCameraSpace));
glUseProgram(g_VertexDiffuseColor.theProgram);
glUniform3fv(g_VertexDiffuseColor.lightPosUnif, 1, glm::value_ptr(lightPosCameraSpace));
glUseProgram(g_WhiteDiffuseColor.theProgram);
glUniform4f(g_WhiteDiffuseColor.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(g_WhiteDiffuseColor.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUseProgram(g_VertexDiffuseColor.theProgram);
glUniform4f(g_VertexDiffuseColor.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(g_VertexDiffuseColor.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUseProgram(0);
{
glutil::PushStack push(modelMatrix);
//Render the ground plane.
{
glutil::PushStack push(modelMatrix);
glUseProgram(g_WhiteDiffuseColor.theProgram);
glUniformMatrix4fv(g_WhiteDiffuseColor.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(g_WhiteDiffuseColor.normalModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
g_pPlaneMesh->Render();
glUseProgram(0);
}
//Render the Cylinder
{
glutil::PushStack push(modelMatrix);
modelMatrix.ApplyMatrix(g_objtPole.CalcMatrix());
if(g_bDrawColoredCyl)
{
glUseProgram(g_VertexDiffuseColor.theProgram);
glUniformMatrix4fv(g_VertexDiffuseColor.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(g_VertexDiffuseColor.normalModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
g_pCylinderMesh->Render("lit-color");
}
else
{
glUseProgram(g_WhiteDiffuseColor.theProgram);
glUniformMatrix4fv(g_WhiteDiffuseColor.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(g_WhiteDiffuseColor.normalModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
g_pCylinderMesh->Render("lit");
}
glUseProgram(0);
}
//Render the light
if(g_bDrawLight)
{
glutil::PushStack push(modelMatrix);
modelMatrix.Translate(glm::vec3(worldLightPos));
modelMatrix.Scale(0.1f, 0.1f, 0.1f);
glUseProgram(g_Unlit.theProgram);
glUniformMatrix4fv(g_Unlit.modelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniform4f(g_Unlit.objectColorUnif, 0.8078f, 0.8706f, 0.9922f, 1.0f);
g_pCubeMesh->Render("flat");
}
}
}
glutPostRedisplay();
glutSwapBuffers();
}
//Called to update the display.
//You should call glutSwapBuffers after all of your rendering to display what you rendered.
//If you need continuous updates of the screen, call glutPostRedisplay() at the end of the function.
void display()
{
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(g_pPlaneMesh && g_pCylinderMesh)
{
glutil::MatrixStack modelMatrix;
modelMatrix.SetMatrix(g_viewPole.CalcMatrix());
glm::vec4 lightDirCameraSpace = modelMatrix.Top() * g_lightDirection;
glUseProgram(g_WhiteDiffuseColor.theProgram);
glUniform3fv(g_WhiteDiffuseColor.dirToLightUnif, 1, glm::value_ptr(lightDirCameraSpace));
glUseProgram(g_VertexDiffuseColor.theProgram);
glUniform3fv(g_VertexDiffuseColor.dirToLightUnif, 1, glm::value_ptr(lightDirCameraSpace));
glUseProgram(0);
{
glutil::PushStack push(modelMatrix);
//Render the ground plane.
{
glutil::PushStack push(modelMatrix);
glUseProgram(g_WhiteDiffuseColor.theProgram);
glUniformMatrix4fv(g_WhiteDiffuseColor.modelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(g_WhiteDiffuseColor.normalModelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(normMatrix));
glUniform4f(g_WhiteDiffuseColor.lightIntensityUnif, 1.0f, 1.0f, 1.0f, 1.0f);
g_pPlaneMesh->Render();
glUseProgram(0);
}
//Render the Cylinder
{
glutil::PushStack push(modelMatrix);
modelMatrix.ApplyMatrix(g_objtPole.CalcMatrix());
if(g_bScaleCyl)
modelMatrix.Scale(1.0f, 1.0f, 0.2f);
glUseProgram(g_VertexDiffuseColor.theProgram);
glUniformMatrix4fv(g_VertexDiffuseColor.modelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
if(g_bDoInvTranspose)
{
normMatrix = glm::transpose(glm::inverse(normMatrix));
}
glUniformMatrix3fv(g_VertexDiffuseColor.normalModelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(normMatrix));
glUniform4f(g_VertexDiffuseColor.lightIntensityUnif, 1.0f, 1.0f, 1.0f, 1.0f);
g_pCylinderMesh->Render("lit-color");
glUseProgram(0);
}
}
}
glutSwapBuffers();
}
GLUSboolean display(GLUSfloat time)
{
g_LightTimer.Update(time);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glutil::MatrixStack modelMatrix;
modelMatrix.SetMatrix(g_viewPole.CalcMatrix());
const glm::vec4 &worldLightPos = CalcLightPosition();
const glm::vec4 &lightPosCameraSpace = modelMatrix.Top() * worldLightPos;
glUseProgram(g_MonoDiffuseProgram.program);
glUniform4f(g_MonoDiffuseProgram.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(g_MonoDiffuseProgram.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform3fv(g_MonoDiffuseProgram.cameraSpaceLightPosUnif,1, glm::value_ptr(lightPosCameraSpace));
glUniform1f(g_MonoDiffuseProgram.lightAttenuationUnif, g_fLightAttenuation);
glUniform1f(g_MonoDiffuseProgram.shininessFactorUnif, g_fGaussianRoughness);
glUniform4fv(g_MonoDiffuseProgram.baseDiffuseColorUnif, 1,
g_bDrawDark ? glm::value_ptr(g_darkColor) : glm::value_ptr(g_lightColor));
glUseProgram(g_ColorDiffuseProgram.program);
glUniform4f(g_ColorDiffuseProgram.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(g_ColorDiffuseProgram.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform3fv(g_ColorDiffuseProgram.cameraSpaceLightPosUnif, 1, glm::value_ptr(lightPosCameraSpace));
glUniform1f(g_ColorDiffuseProgram.lightAttenuationUnif, g_fLightAttenuation);
glUniform1f(g_ColorDiffuseProgram.shininessFactorUnif, g_fGaussianRoughness);
glUseProgram(0);
{
glutil::PushStack push(modelMatrix);
{
glutil::PushStack push(modelMatrix);
glm::mat3 normMatrix(modelMatrix.Top());
normMatrix = glm::transpose(glm::inverse(normMatrix));
glUseProgram(g_MonoDiffuseProgram.program);
glUniformMatrix4fv(g_MonoDiffuseProgram.modelViewUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniformMatrix3fv(g_MonoDiffuseProgram.modelViewForNormalUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
g_pPlaneMesh->render();
glUseProgram(0);
}
{
glutil::PushStack push(modelMatrix);
modelMatrix.ApplyMatrix(g_objtPole.CalcMatrix());
if (g_bScaleCyl) {
modelMatrix.Scale(1.0f, 1.0f, 0.2f);
}
glm::mat3 normMatrix(modelMatrix.Top());
normMatrix = glm::transpose(glm::inverse(normMatrix));
ProgramData &prog = g_bDrawColoredCyl ? g_ColorDiffuseProgram : g_MonoDiffuseProgram;
glUseProgram(prog.program);
glUniformMatrix4fv(prog.modelViewUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniformMatrix3fv(prog.modelViewForNormalUnif, 1, GL_FALSE,
glm::value_ptr(normMatrix));
g_pCylinderMesh->render(g_bDrawColoredCyl ? "lit-color" : "lit");
glUseProgram(0);
}
if (g_bDrawLightSource)
{
glutil::PushStack push(modelMatrix);
modelMatrix.Translate(glm::vec3(worldLightPos));
modelMatrix.Scale(0.1f, 0.1f, 0.1f);
glUseProgram(g_UnlitProgram.program);
glUniformMatrix4fv(g_UnlitProgram.modelViewUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniform4f(g_UnlitProgram.objectColorUnif, 0.8078f, 0.8706f, 0.9922f, 1.0f);
g_pCubeMesh->render("flat");
}
}
return GLUS_TRUE;
}
void display()
{
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(g_pPlaneMesh && g_pCylinderMesh)
{
glutil::MatrixStack modelMatrix;
modelMatrix.SetMatrix(g_viewPole.CalcMatrix());
glm::vec4 lightDirCameraSpace = modelMatrix.Top() * g_lightDirection;
ProgramData &whiteDiffuse = g_bShowAmbient ? g_WhiteAmbDiffuseColor : g_WhiteDiffuseColor;
ProgramData &vertexDiffuse = g_bShowAmbient ? g_VertexAmbDiffuseColor : g_VertexDiffuseColor;
if(g_bShowAmbient)
{
glUseProgram(whiteDiffuse.theProgram);
glUniform4f(whiteDiffuse.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(whiteDiffuse.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
glUseProgram(vertexDiffuse.theProgram);
glUniform4f(vertexDiffuse.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f);
glUniform4f(vertexDiffuse.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f);
}
else
{
glUseProgram(whiteDiffuse.theProgram);
glUniform4f(whiteDiffuse.lightIntensityUnif, 1.0f, 1.0f, 1.0f, 1.0f);
glUseProgram(vertexDiffuse.theProgram);
glUniform4f(vertexDiffuse.lightIntensityUnif, 1.0f, 1.0f, 1.0f, 1.0f);
}
glUseProgram(whiteDiffuse.theProgram);
glUniform3fv(whiteDiffuse.dirToLightUnif, 1, glm::value_ptr(lightDirCameraSpace));
glUseProgram(vertexDiffuse.theProgram);
glUniform3fv(vertexDiffuse.dirToLightUnif, 1, glm::value_ptr(lightDirCameraSpace));
glUseProgram(0);
{
glutil::PushStack push(modelMatrix);
//Render the ground plane.
{
glutil::PushStack push(modelMatrix);
glUseProgram(whiteDiffuse.theProgram);
glUniformMatrix4fv(whiteDiffuse.modelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(whiteDiffuse.normalModelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(normMatrix));
g_pPlaneMesh->Render();
glUseProgram(0);
}
//Render the Cylinder
{
glutil::PushStack push(modelMatrix);
modelMatrix.ApplyMatrix(g_objtPole.CalcMatrix());
if(g_bDrawColoredCyl)
{
glUseProgram(vertexDiffuse.theProgram);
glUniformMatrix4fv(vertexDiffuse.modelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(vertexDiffuse.normalModelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(normMatrix));
g_pCylinderMesh->Render("lit-color");
}
else
{
glUseProgram(whiteDiffuse.theProgram);
glUniformMatrix4fv(whiteDiffuse.modelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(modelMatrix.Top()));
glm::mat3 normMatrix(modelMatrix.Top());
glUniformMatrix3fv(whiteDiffuse.normalModelToCameraMatrixUnif, 1, GL_FALSE, glm::value_ptr(normMatrix));
g_pCylinderMesh->Render("lit");
}
glUseProgram(0);
}
}
}
glutSwapBuffers();
}
//Called to update the display.
//You should call glutSwapBuffers after all of your rendering to display what you rendered.
//If you need continuous updates of the screen, call glutPostRedisplay() at the end of the function.
void display()
{
if(!g_pScene)
return;
g_timer.Update();
glClearColor(0.8f, 0.8f, 0.8f, 1.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
const glm::mat4 &cameraMatrix = g_viewPole.CalcMatrix();
const glm::mat4 &lightView = g_lightPole.CalcMatrix();
glutil::MatrixStack modelMatrix;
modelMatrix *= cameraMatrix;
BuildLights(cameraMatrix);
g_nodes[0].NodeSetOrient(glm::rotate(glm::fquat(),
360.0f * g_timer.GetAlpha(), glm::vec3(0.0f, 1.0f, 0.0f)));
g_nodes[3].NodeSetOrient(g_spinBarOrient * glm::rotate(glm::fquat(),
360.0f * g_timer.GetAlpha(), glm::vec3(0.0f, 0.0f, 1.0f)));
{
glutil::MatrixStack persMatrix;
persMatrix.Perspective(60.0f, (g_displayWidth / (float)g_displayHeight), g_fzNear, g_fzFar);
ProjectionBlock projData;
projData.cameraToClipMatrix = persMatrix.Top();
glBindBuffer(GL_UNIFORM_BUFFER, g_projectionUniformBuffer);
glBufferData(GL_UNIFORM_BUFFER, sizeof(ProjectionBlock), &projData, GL_STREAM_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
glActiveTexture(GL_TEXTURE0 + g_lightProjTexUnit);
glBindTexture(GL_TEXTURE_CUBE_MAP, g_lightTextures[g_currTextureIndex]);
glBindSampler(g_lightProjTexUnit, g_samplers[g_currSampler]);
{
glutil::MatrixStack lightProjStack;
lightProjStack.ApplyMatrix(glm::inverse(lightView));
lightProjStack.ApplyMatrix(glm::inverse(cameraMatrix));
g_lightProjMatBinder.SetValue(lightProjStack.Top());
glm::vec4 worldLightPos = lightView[3];
glm::vec3 lightPos = glm::vec3(cameraMatrix * worldLightPos);
g_camLightPosBinder.SetValue(lightPos);
}
glViewport(0, 0, (GLsizei)g_displayWidth, (GLsizei)g_displayHeight);
g_pScene->Render(modelMatrix.Top());
{
//Draw axes
glutil::PushStack stackPush(modelMatrix);
modelMatrix.ApplyMatrix(lightView);
modelMatrix.Scale(15.0f);
glUseProgram(g_colroedProg);
glUniformMatrix4fv(g_coloredModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
g_pAxesMesh->Render();
}
if(g_bDrawCameraPos)
{
//Draw lookat point.
glutil::PushStack stackPush(modelMatrix);
modelMatrix.SetIdentity();
modelMatrix.Translate(glm::vec3(0.0f, 0.0f, -g_viewPole.GetView().radius));
modelMatrix.Scale(0.5f);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glUseProgram(g_unlitProg);
glUniformMatrix4fv(g_unlitModelToCameraMatrixUnif, 1, GL_FALSE,
glm::value_ptr(modelMatrix.Top()));
glUniform4f(g_unlitObjectColorUnif, 0.25f, 0.25f, 0.25f, 1.0f);
g_pSphereMesh->Render("flat");
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
glUniform4f(g_unlitObjectColorUnif, 1.0f, 1.0f, 1.0f, 1.0f);
g_pSphereMesh->Render("flat");
}
glActiveTexture(GL_TEXTURE0 + g_lightProjTexUnit);
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
glBindSampler(g_lightProjTexUnit, 0);
glutPostRedisplay();
glutSwapBuffers();
}