void RenderScene(void) {
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
M3DVector3f at={0,0,0};
M3DVector3f up={0,0,1};
M3DVector3f eye;
float angle = timer.GetElapsedSeconds()*M_PI/3;
eye[0]=6.8f*cos(angle);
eye[1]=6.0f*sin(angle);
eye[2]=5.0f;
LookAt(cameraFrame,eye,at,up);
geometryPipeline.SetMatrixStacks(modelView,projection);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelView.PushMatrix();
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
drawLines();
drawPyramid();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(1.0f,6.0f,2.0f);
modelView.Rotate(180.0f,0.0f,0.0f,1.0f);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
drawPyramid();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(6.0f,-4.0f,1.0f);
modelView.Rotate(60.0f,1.0f,1.0f,1.5f);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
drawPyramid();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-2.0f,0.0f,1.0f);
modelView.Rotate(80.0f,1.0f,0.0f,1.0f);
modelView.Scale(0.8f,0.4f,1.0f);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
drawPyramid();
modelView.PopMatrix();
modelView.PopMatrix();
// Perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Called to draw scene
void RenderScene(void)
{
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
// Reflection step... draw cube upside down, the floor
// blended on top of it
if(nStep == 5) {
glDisable(GL_CULL_FACE);
modelViewMatrix.PushMatrix();
modelViewMatrix.Scale(1.0f, -1.0f, 1.0f);
modelViewMatrix.Translate(0.0f, 2.0f, 0.0f);
modelViewMatrix.Rotate(35.0f, 0.0f, 1.0f, 0.0f);
RenderBlock();
modelViewMatrix.PopMatrix();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
RenderFloor();
glDisable(GL_BLEND);
}
modelViewMatrix.PushMatrix();
// Draw normally
modelViewMatrix.Rotate(35.0f, 0.0f, 1.0f, 0.0f);
RenderBlock();
modelViewMatrix.PopMatrix();
// If not the reflection pass, draw floor last
if(nStep != 5)
RenderFloor();
modelViewMatrix.PopMatrix();
// Flush drawing commands
glutSwapBuffers();
}
// Called to draw scene
void RenderScene(void)
{
// Color values
static GLfloat vFloorColor[] = { 0.0f, 1.0f, 0.0f, 1.0f};
static GLfloat vTorusColor[] = { 1.0f, 0.0f, 0.0f, 1.0f };
static GLfloat vSphereColor[] = { 0.0f, 0.0f, 1.0f, 1.0f };
// Time Based animation
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;
// Clear the color and depth buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Save the current modelview matrix (the identity matrix)
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.PushMatrix(mCamera);
// Draw the ground
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
vFloorColor);
floorBatch.Draw();
for(int i = 0; i < NUM_SPHERES; i++) {
modelViewMatrix.PushMatrix();
modelViewMatrix.MultMatrix(spheres[i]);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(),
vSphereColor);
sphereBatch.Draw();
modelViewMatrix.PopMatrix();
}
// Draw the spinning Torus
modelViewMatrix.Translate(0.0f, 0.0f, -2.5f);
// Save the Translation
modelViewMatrix.PushMatrix();
// Apply a rotation and draw the torus
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(),
vTorusColor);
torusBatch.Draw();
modelViewMatrix.PopMatrix(); // "Erase" the Rotation from before
// Apply another rotation, followed by a translation, then draw the sphere
modelViewMatrix.Rotate(yRot * -2.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.8f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(),
vSphereColor);
sphereBatch.Draw();
// Restore the previous modleview matrix (the identity matrix)
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
// Do the buffer Swap
glutSwapBuffers();
// Tell GLUT to do it again
glutPostRedisplay();
}
void DrawSongAndDance(GLfloat yRot) // Called to draw dancing objects
{
static GLfloat vWhite[] = { 1.0f, 1.0f, 1.0f, 1.0f };
static GLfloat vLightPos[] = { 0.0f, 3.0f, 0.0f, 1.0f };
// Get the light position in eye space
M3DVector4f vLightTransformed;
M3DMatrix44f mCamera;
modelViewMatrix.GetMatrix(mCamera);
m3dTransformVector4(vLightTransformed, vLightPos, mCamera);
// Draw the light source
modelViewMatrix.PushMatrix();
modelViewMatrix.Translatev(vLightPos);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
vWhite);
sphereBatch.Draw();
modelViewMatrix.PopMatrix();
glBindTexture(GL_TEXTURE_2D, uiTextures[2]);
for(int i = 0; i < NUM_SPHERES; i++) {
modelViewMatrix.PushMatrix();
modelViewMatrix.MultMatrix(spheres[i]);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed,
vWhite,
0);
sphereBatch.Draw();
modelViewMatrix.PopMatrix();
}
// Song and dance
modelViewMatrix.Translate(0.0f, 0.2f, -2.5f);
modelViewMatrix.PushMatrix(); // Saves the translated origin
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
// Draw stuff relative to the camera
glBindTexture(GL_TEXTURE_2D, uiTextures[1]);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed,
vWhite,
0);
torusBatch.Draw();
modelViewMatrix.PopMatrix(); // Erased the rotate
modelViewMatrix.Rotate(yRot * -2.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.8f, 0.0f, 0.0f);
glBindTexture(GL_TEXTURE_2D, uiTextures[2]);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed,
vWhite,
0);
sphereBatch.Draw();
}
///////////////////////////////////////////////////////////////////////////////
// Render a frame. The owning framework is responsible for buffer swaps,
// flushes, etc.
void RenderScene(void)
{
// first render the scene in HDR to fbo
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, hdrFBO[0]);
glDrawBuffers(1, &fboBuffs[0]);
glClearColor(vSkyBlue[0], vSkyBlue[1], vSkyBlue[2], vSkyBlue[3]);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Draw to two textures, the first contains scene data
// the second contains only the bright areas
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textures[0]); // Marble
// Draw the floor
SetupTexReplaceProg(vLightPos, vWhite);
floorBatch.Draw();
// Draw the window
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, -0.4f, -4.0f);
modelViewMatrix.Rotate(10.0, 0.0, 1.0, 0.0);
glBindTexture(GL_TEXTURE_2D, windowTexture); // Window Tex
// First draw the window contents from texture
SetupTexReplaceProg(vLightPos, vWhiteX2);
windowBatch.Draw();
// Now draw the border and the grid
SetupFlatColorProg(vLightPos, vLtGrey);
windowGridBatch.Draw();
windowBorderBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
projectionMatrix.PushMatrix();
projectionMatrix.LoadMatrix(orthoMatrix);
modelViewMatrix.PushMatrix();
modelViewMatrix.LoadIdentity();
// Combine original scene with blurred bright textures
// to create the bloom effect
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glDrawBuffers(1,windowBuff);
glViewport(0, 0, screenWidth, screenHeight);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SetupHDRProg();
screenQuad.Draw();
modelViewMatrix.PopMatrix();
projectionMatrix.PopMatrix();
// Put the texture units back the way they were
glBindTexture(GL_TEXTURE_2D, 0);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);
// Do the buffer Swap
glutSwapBuffers();
// Do it again
glutPostRedisplay();
}
// main rendering loop
void RenderScene(void){
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;
GLfloat vBarColor[] = {1.0f, 0.0f, 0.0f, 1.0f};
currentFrame = getLatestBufferIndex();
if(mapper.getSimpleArg('c')){
vBarColor[0] = .7;
vBarColor[1] = .2 + sharedBuffer[currentFrame].averageAmp * 60;
vBarColor[2] = 1.0;
b = sharedBuffer[currentFrame].averageAmp;
g = 0;
r = 0;
glClearColor(r, g, b, 1.0f);
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.PushMatrix(mCamera);
if(mapper.getCompoundArg('r') == "auto"){
cameraFrame.RotateWorld(.01, 0.0, 0.0, 1.0);
cameraFrame.MoveForward(-.1 * sin(yRot * .05));
}
// set up light source
M3DVector4f vLightPos = { 0.0f, 10.0f, 5.0f, 1.0f };
M3DVector4f vLightEyePos;
m3dTransformVector4(vLightEyePos, vLightPos, mCamera);
for(int m = 0; m < NUM_MACROS; m++){
if(mapper.getSimpleArg('m')){
modelViewMatrix.PushMatrix();
macros[m].refFrame.RotateLocalY(.01 * macros[m].multiplier);
macros[m].refFrame.RotateLocalX(.5 * sharedBuffer[currentFrame].averageAmp);
modelViewMatrix.MultMatrix(macros[m].refFrame);
}
for(int i = 0; i < PACKET_SIZE; i++){
modelViewMatrix.PushMatrix();
GLfloat y = 5 * fabs(sharedBuffer[currentFrame].frames[i][0]);
modelViewMatrix.MultMatrix(bars[i]);
modelViewMatrix.Scale(barWidth, y, sharedBuffer[currentFrame].averageAmp * 4);
if(mapper.getSimpleArg('t')){
modelViewMatrix.Translate(0.0, sharedBuffer[currentFrame].averageAmp, 0.0);
}
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
transformPipeline.GetModelViewMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightEyePos, vBarColor);
cubeBatch.Draw();
modelViewMatrix.PopMatrix();
}
if(mapper.getSimpleArg('m')){
modelViewMatrix.PopMatrix();
}
}
// draw prisms for amplitudes
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
if(currentFrame != -1){
sharedBuffer[currentFrame].free = true;
}
}
/**
* @brief Called to draw scene
*/
void RenderScene()
{
// Color values
static GLfloat vSunColor[] = { 1.0f, 0.0f, 0.0f, 1.0f };
static GLfloat vEarthColor[] = { 0.0f, 0.0f, 1.0f, 1.0f };
static GLfloat vMoonColor[] = { 1.0f, 1.0f, 0.0f, 1.0f };
static GLfloat vFloorColor[] = { 0.0f, 0.64f, 0.0f, 1.0f};
// Time Based animation
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;
// Clear the color and depth buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Save the current modelview matrix (the identity matrix)
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.PushMatrix(mCamera);
// Transform the light position into eye coordinates
M3DVector4f vLightPos = { 0.0f, 10.0f, 5.0f, 1.0f };
M3DVector4f vLightEyePos;
m3dTransformVector4(vLightEyePos, vLightPos, mCamera);
// Draw the floor
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
vFloorColor);
floorBatch.Draw();
// Draw the spinning Sun
modelViewMatrix.Translate(0.0f, 0.0f, -3.5f);
// Save the Translation
modelViewMatrix.PushMatrix();
// Apply a rotation and draw the Sun
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
transformPipeline.GetModelViewMatrix(),
transformPipeline.GetProjectionMatrix(), vLightEyePos, vSunColor);
sunSphereBatch.Draw();
modelViewMatrix.PopMatrix(); // "Erase" the Rotation from before
// Apply another rotation, followed by a translation, then draw the Earth
modelViewMatrix.Rotate(yRot * -2.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.8f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
transformPipeline.GetModelViewMatrix(),
transformPipeline.GetProjectionMatrix(), vLightEyePos, vEarthColor);
earthSphereBatch.Draw();
// Apply another rotation, followed by a translation, then draw the Moon
modelViewMatrix.Rotate(yRot * -4.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.4f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
transformPipeline.GetModelViewMatrix(),
transformPipeline.GetProjectionMatrix(), vLightEyePos, vMoonColor);
moonSphereBatch.Draw();
// Restore the previous modleview matrix (the identity matrix)
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
// Do the buffer Swap
glutSwapBuffers();
// Tell GLUT to do it again
glutPostRedisplay();
}
void RenderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glFrontFace(GL_CW);
glUseProgram(shader);
M3DVector3f at={1.5f, 0.0f, 0.0f};
M3DVector3f up={-1.0f, 0.0f, 1.0f};
M3DVector3f eye;
float angle = timer.GetElapsedSeconds()*3.14159f/8;
eye[0]= 6.8f * cos(angle);
eye[1]= 6.0f * sin(angle);
eye[2]= 30.0f;
LookAt(cameraFrame,eye,at,up);
M3DVector3f ambientLight = {1.0f, 1.0f, 1.0f};
M3DVector3f position = {10.0f, 10.0f, 5.0f};
M3DVector3f color = {1.0f, 1.0f, 1.0f};
float l_angle = 90.0f;
float attenuation0 = 0.01f;
float attenuation1 = 0.01f;
float attenuation2 = 0.01f;
M3DVector3f ambientColor = {0.0f, 1.0, 0.0};
M3DVector3f diffuseColor = {0.0f, 1.0f, 1.0f};
M3DVector3f specularColor = {1.0f, 1.0f, 1.0f};
float specularExponent = 8;
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
glPolygonOffset(1.0f, 1.0f);
grid();
glEnable(GL_POLYGON_OFFSET_FILL);
grid();
glDisable(GL_POLYGON_OFFSET_FILL);
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-7.75f, -7.75f, 0.0f);
modelView.Scale(0.25f, 0.25f, 0.25f);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
piramida();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-6.0f, -6.0f, 0.0f);
modelView.Scale(0.5f, 0.5f, 0.5f);
modelView.Rotate(angle*512, 0.0f, 0.0f, 2.0f);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
glDrawElements(GL_TRIANGLES,3*n_faces,GL_UNSIGNED_INT,0);
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-4.0f, -4.0f, 0.0f);
modelView.Scale(0.75f, 0.75f, 0.75f);
modelView.Rotate(angle*512, 0.0f, 2.0f, 0.0f);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
piramida();
modelView.PopMatrix();`
modelView.PushMatrix();
modelView.Translate(2.0f, 2.0f, 0.0f);
modelView.Scale(1.5f, 1.5f, 1.5f);
modelView.Rotate(angle*512, 2.0f, 2.0f, 0.0f);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
piramida();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-1.5f, -1.5f, 0.0f);
modelView.Rotate(angle*512, 2.0f, 0.0f, 0.0f);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
DrawTriangles(20, vertices_tab, faces_tab);
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(6.5f, 6.5f, 0.0f);
modelView.Scale(2.5f, 2.5f, 2.5f);
modelView.Rotate(angle*512, 2.0f, 2.0f, 2.0f);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, l_angle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewMatrix());
glUniformMatrix3fv(normalMatrixLocation,1,GL_FALSE,geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
DrawSmoothTriangles(20, vertices_tab, faces_tab);
modelView.PopMatrix();
modelView.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
void RenderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
GLMatrixStack modelView;
GLMatrixStack projection;
GLGeometryTransform geometryPipeline;
geometryPipeline.SetMatrixStacks(modelView,projection);
M3DVector3f at={0,0,0};
M3DVector3f up={0,0,1};
M3DVector3f eye;
float angle=timer.GetElapsedSeconds()*3.14f;
eye[0]=40*cos(angle);
eye[1]=40*sin(angle);
eye[2]=30.0f;
LookAt(frame,eye,at,up);
projection.LoadMatrix(frustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
frame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glBegin(GL_LINES);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.5f, 0.5f, 0.5f);
for (int i=-10; i<=10; i++)
{
glVertex3f(i,-10.0f,0);
glVertex3f(i,10.0f,0);
glVertex3f(-10.0f,i,0);
glVertex3f(10.0f,i,0);
}
glEnd();
modelView.Translate(10.0f,1.0f,0.0f);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glBegin(GL_QUADS);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.5f, 0.5f, 0.5f);
glVertex3f(-1.0f,-1.0f,0.0f);
glVertex3f(-1.0f,1.0f,0.0f);
glVertex3f(1.0f,1.0f,0.0f);
glVertex3f(1.0f,-1.0f,0.0f);
glEnd();
glBegin(GL_TRIANGLES);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0f, 1.0f, 0.0f);
glVertex3f(-1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.0f, 0.0f, 0.8f);
glVertex3f(-1.0f, -1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(-1.0f, 1.0f, 0.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.0f, 1.0f, 0.0f);
glVertex3f(1.0f, -1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(-1.0f, -1.0f, 0.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0f, 0.0f, 0.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(1.0f, -1.0f, 0.0f);
glEnd();
modelView.PopMatrix();
modelView.Rotate(45.0,0,0,1);
modelView.Translate(0.0,0.0,1.0);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
glBegin(GL_QUADS);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.5f, 0.5f, 0.5f);
glVertex3f(-1.0f,-1.0f,0.0f);
glVertex3f(-1.0f,1.0f,0.0f);
glVertex3f(1.0f,1.0f,0.0f);
glVertex3f(1.0f,-1.0f,0.0f);
glEnd();
glBegin(GL_TRIANGLES);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0f, 1.0f, 0.0f);
glVertex3f(-1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.0f, 0.0f, 0.8f);
glVertex3f(-1.0f, -1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(-1.0f, 1.0f, 0.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 0.0f, 1.0f, 0.0f);
glVertex3f(1.0f, -1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(-1.0f, -1.0f, 0.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0f, 0.0f, 0.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(1.0f, -1.0f, 0.0f);
glEnd();
modelView.PopMatrix();
modelView.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
void RenderScene(void) {
// 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();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
modelView.PushMatrix();
modelView.Translate(swiatlo0.position[0], swiatlo0.position[1], swiatlo0.position[2]);
modelView.Scale(0.25f, 0.25f, 0.25f);
glUniformMatrix4fv(MVPMatrixLocationshader, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
modelView.PopMatrix();
glUseProgram(Pshader);//wywo³anie shadera
//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(0);
// Perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Render a frame. The owning framework is responsible for buffer swaps,
// flushes, etc.
void RenderScene(void)
{
static CStopWatch animationTimer;
float yRot = animationTimer.GetElapsedSeconds() * 60.0f;
M3DVector3f vCameraPos;
M3DVector3f vCameraForward;
M3DVector3f vMirrorPos;
M3DVector3f vMirrorForward;
cameraFrame.GetOrigin(vCameraPos);
cameraFrame.GetForwardVector(vCameraForward);
// Set position of mirror frame (camera)
vMirrorPos[0] = 0.0;
vMirrorPos[1] = 0.1f;
vMirrorPos[2] = -6.0f; // view pos is actually behind mirror
mirrorFrame.SetOrigin(vMirrorPos);
// Calculate direction of mirror frame (camera)
// Because the position of the mirror is known relative to the origin
// find the direction vector by adding the mirror offset to the vector
// of the viewer-origin
vMirrorForward[0] = vCameraPos[0];
vMirrorForward[1] = vCameraPos[1];
vMirrorForward[2] = (vCameraPos[2] + 5);
m3dNormalizeVector3(vMirrorForward);
mirrorFrame.SetForwardVector(vMirrorForward);
// first render from the mirrors perspective
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fboName);
glDrawBuffers(1, fboBuffs);
glViewport(0, 0, mirrorTexWidth, mirrorTexHeight);
// Draw scene from the perspective of the mirror camera
modelViewMatrix.PushMatrix();
M3DMatrix44f mMirrorView;
mirrorFrame.GetCameraMatrix(mMirrorView);
modelViewMatrix.MultMatrix(mMirrorView);
// Flip the mirror camera horizontally for the reflection
modelViewMatrix.Scale(-1.0f, 1.0f, 1.0f);
glBindTexture(GL_TEXTURE_2D, textures[0]); // Marble
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_MODULATE, transformPipeline.GetModelViewProjectionMatrix(), vWhite, 0);
floorBatch.Draw();
DrawWorld(yRot);
// Now draw a cylinder representing the viewer
M3DVector4f vLightTransformed;
modelViewMatrix.GetMatrix(mMirrorView);
m3dTransformVector4(vLightTransformed, vLightPos, mMirrorView);
modelViewMatrix.Translate(vCameraPos[0],vCameraPos[1]-0.8f,vCameraPos[2]-1.0f);
modelViewMatrix.Rotate(-90.0f, 1.0f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed, vBlue, 0);
cylinderBatch.Draw();
modelViewMatrix.PopMatrix();
// Reset FBO. Draw world again from the real cameras perspective
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glDrawBuffers(1, windowBuff);
glViewport(0, 0, screenWidth, screenHeight);
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
glBindTexture(GL_TEXTURE_2D, textures[0]); // Marble
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_MODULATE, transformPipeline.GetModelViewProjectionMatrix(), vWhite, 0);
floorBatch.Draw();
DrawWorld(yRot);
// Now draw the mirror surfaces
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, -0.4f, -5.0f);
if(vCameraPos[2] > -5.0)
{
glBindTexture(GL_TEXTURE_2D, mirrorTexture); // Reflection
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE, transformPipeline.GetModelViewProjectionMatrix(), 0);
}
else
{
// If the camera is behind the mirror, just draw black
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vBlack);
}
mirrorBatch.Draw();
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vGrey);
mirrorBorderBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
// Do the buffer Swap
glutSwapBuffers();
// Do it again
glutPostRedisplay();
}
void renderScene()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewM.PushMatrix();
M3DMatrix44f cameraM;
cameraFrame.GetCameraMatrix(cameraM);
modelViewM.MultMatrix(cameraM);
M3DVector4f lightPos = {0.0f, 10.0f, 5.0f, 1.0f};
M3DVector4f lightEyePos;
m3dTransformVector4(lightEyePos, lightPos, cameraM);
GLfloat whiteLight[] = {1.0f, 1.0f, 1.0f, 1.0f};
modelViewM.PushMatrix();
modelViewM.Translate(0, 0, -3);
M3DMatrix44f objectM;
objectFrame.GetMatrix(objectM);
modelViewM.MultMatrix(objectM);
glBindTexture(GL_TEXTURE_2D, textureID[0]);
#if 0
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
pipelineTransform.GetModelViewMatrix(),
pipelineTransform.GetProjectionMatrix(),
lightEyePos, whiteLight, 0);
#else
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE,
pipelineTransform.GetModelViewProjectionMatrix(),
0);
#endif
cuboidBatch.Draw();
modelViewM.PopMatrix();
static CStopWatch timer;
float angle = timer.GetElapsedSeconds() * 120;
modelViewM.Translate(0.5f, 0.6f, -5);
modelViewM.Rotate(angle, 1, 1, 1);
modelViewM.Scale(0.5/cuboidLength, 0.3/cuboidHeigth, 0.4/cuboidWidth);
glBindTexture(GL_TEXTURE_2D, textureID[1]);
#if 0
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
pipelineTransform.GetModelViewMatrix(),
pipelineTransform.GetProjectionMatrix(),
lightEyePos, whiteLight, 0);
#else
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE,
pipelineTransform.GetModelViewProjectionMatrix(),
0);
#endif
cuboidBatch.Draw();
modelViewM.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
/**
* Called to draw scene
*/
void RenderScene(void)
{
static GLfloat vFloorColor[] = { 1.0f, 1.0f, 1.0f, 0.75f };
static CStopWatch rotTimer;
float yRot = rotTimer.delta() * 60.0f;
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
modelViewMatrix.push();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
// draw the world upside down
modelViewMatrix.push();
modelViewMatrix.scaleTo(1.0f, -1.0f, 1.0f); // flips the Y axis
modelViewMatrix.moveTo(0.0f, 0.8f, 0.0f); // scootch the world down a bit...
glFrontFace(GL_CW);
DrawSongAndDance(yRot);
glFrontFace(GL_CCW); // restore it
modelViewMatrix.pop();
// draw the solid ground
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, uiTextures[0]);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
shaderManager.useStockShader(GLT_SHADER_TEXTURE_MODULATE,
transformPipeline.GetMVPMatrix(),
vFloorColor,
0);
floorBatch.draw();
glDisable(GL_BLEND);
DrawSongAndDance(yRot);
modelViewMatrix.pop();
// Render the overlay
// Creating this matrix really doesn't need to be done every frame. I'll leave it here
// so all the pertenant code is together
M3DMatrix44f mScreenSpace;
m3dMakeOrthographicMatrix(mScreenSpace, 0.0f, 800.0f, 0.0f, 600.0f, -1.0f, 1.0f);
// turn blending on, and dephth testing off
glEnable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glUseProgram(rectReplaceShader);
glUniform1i(locRectTexture, 0);
glUniformMatrix4fv(locRectMVP, 1, GL_FALSE, mScreenSpace);
glBindTexture(GL_TEXTURE_RECTANGLE, uiTextures[3]);
logoBatch.draw();
// restore no blending and depth test
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
// Perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
// called to draw dancing objects
static void DrawSongAndDance(GLfloat yRot)
{
static GLfloat vWhite[] = { 1.0f, 1.0f, 1.0f, 1.0f };
static GLfloat vLightPos[] = { 0.0f, 3.0f, 0.0f, 1.0f };
// get the light position in eye space
M3DMatrix44f mCamera;
modelViewMatrix.GetMatrix(mCamera);
M3DVector4f vLightTransformed;
m3dTransformVector4(vLightTransformed, vLightPos, mCamera);
// draw the light source
modelViewMatrix.push();
modelViewMatrix.moveTo(vLightPos);
shaderManager.useStockShader(GLT_SHADER_FLAT, transformPipeline.GetMVPMatrix(),
vWhite);
sphereBatch.draw();
modelViewMatrix.pop();
glBindTexture(GL_TEXTURE_2D, uiTextures[2]);
for (int i = 0; i < NUM_SPHERES; ++i) {
modelViewMatrix.push();
modelViewMatrix.MultMatrix(spheres[i]);
shaderManager.useStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed,
vWhite,
0);
sphereBatch.draw();
modelViewMatrix.pop();
}
// song and dance
modelViewMatrix.moveTo(0.0f, 0.2f, -2.5f);
modelViewMatrix.push(); // save the translated origin
modelViewMatrix.rotateTo(yRot, 0.0f, 1.0f, 0.0f);
// draw stuff relative to the camera
glBindTexture(GL_TEXTURE_2D, uiTextures[1]);
shaderManager.useStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed,
vWhite,
0);
torusBatch.draw();
modelViewMatrix.pop(); // erased the rotate
modelViewMatrix.rotateTo(yRot * -2.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.moveTo(0.8f, 0.0f, 0.0f);
glBindTexture(GL_TEXTURE_2D, uiTextures[2]);
shaderManager.useStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed,
vWhite,
0);
sphereBatch.draw();
}
///////////////////////////////////////////////////////////////////////////////
// OpenGL related startup code is safe to put here. Load textures, etc.
void SetupRC(void)
{
GLfloat texCoordOffsets[4][5*5*2];
GLfloat exposureLUT[20] = { 11.0, 6.0, 3.2, 2.8, 2.2, 1.90, 1.80, 1.80, 1.70, 1.70, 1.60, 1.60, 1.50, 1.50, 1.40, 1.40, 1.30, 1.20, 1.10, 1.00 };
// Make sure OpenGL entry points are set
GLenum err = glewInit();
if (GLEW_OK != err)
{
/* Problem: glewInit failed, something is seriously wrong. */
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
}
// Will not use depth buffer
glDisable(GL_DEPTH_TEST);
curHDRTex = 0;
// Init codel-view and leave it
modelViewMatrix.LoadIdentity();
// Black
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
// Setup LUT texture for use with the adaptive exposure filter
glGenTextures(1, lutTxtures);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_1D, lutTxtures[1]);
glTexImage1D(GL_TEXTURE_1D, 0, GL_R16F, 20, 0, GL_RED, GL_FLOAT, exposureLUT);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// Setup HDR texture(s)
glActiveTexture(GL_TEXTURE0);
glGenTextures(1, hdrTextures);
glBindTexture(GL_TEXTURE_2D, hdrTextures[curHDRTex]);
// Load HDR image from EXR file
LoadOpenEXRImage("Tree.exr", hdrTextures[curHDRTex], hdrTexturesWidth[curHDRTex], hdrTexturesHeight[curHDRTex]);
// Create ortho matrix and screen-sized quad matching images aspect ratio
GenerateOrtho2DMat(screenWidth, screenHeight, hdrTexturesWidth[curHDRTex], hdrTexturesHeight[curHDRTex]);
//GenerateFBOOrtho2DMat(hdrTexturesWidth[curHDRTex], hdrTexturesHeight[curHDRTex]);
gltGenerateOrtho2DMat(hdrTexturesWidth[curHDRTex], hdrTexturesHeight[curHDRTex], fboOrthoMatrix, fboQuad);
// Setup tex coords to be used for fetching HDR kernel data
for (int k = 0; k < 4; k++)
{
float xInc = 1.0f / (GLfloat)(hdrTexturesWidth[curHDRTex] >> k);
float yInc = 1.0f / (GLfloat)(hdrTexturesHeight[curHDRTex] >> k);
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
texCoordOffsets[k][(((i*5)+j)*2)+0] = (-1.0f * xInc) + ((GLfloat)i * xInc);
texCoordOffsets[k][(((i*5)+j)*2)+1] = (-1.0f * yInc) + ((GLfloat)j * yInc);
}
}
}
// Load shaders
mapTexProg = gltLoadShaderPairWithAttributes("hdr.vs", "hdr_simple.fs", 2, GLT_ATTRIBUTE_VERTEX, "vVertex", GLT_ATTRIBUTE_TEXTURE0, "vTexCoord0");
glBindFragDataLocation(mapTexProg, 0, "oColor");
glLinkProgram(mapTexProg);
varExposureProg = gltLoadShaderPairWithAttributes("hdr.vs", "hdr_exposure_image.fs", 2, GLT_ATTRIBUTE_VERTEX, "vVertex", GLT_ATTRIBUTE_TEXTURE0, "vTexCoord0");
glBindFragDataLocation(varExposureProg, 0, "oColor");
glLinkProgram(varExposureProg);
glUseProgram(varExposureProg);
glUniform1i(glGetUniformLocation(varExposureProg, "textureUnit0"), 0);
adaptiveProg = gltLoadShaderPairWithAttributes("hdr.vs", "hdr_adaptive.fs", 2, GLT_ATTRIBUTE_VERTEX, "vVertex", GLT_ATTRIBUTE_TEXTURE0, "vTexCoord0");
glBindFragDataLocation(adaptiveProg, 0, "oColor");
glLinkProgram(adaptiveProg);
glUseProgram(adaptiveProg);
glUniform1i(glGetUniformLocation(adaptiveProg, "textureUnit0"), 0);
glUniform1i(glGetUniformLocation(adaptiveProg, "textureUnit1"), 1);
glUniform2fv(glGetUniformLocation(adaptiveProg, "tc_offset"), 25, texCoordOffsets[0]);
glUseProgram(0);
// Create and bind an FBO
glGenFramebuffers(1,&fboName);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fboName);
// Create the FBO texture
glGenTextures(1, fboTextures);
glBindTexture(GL_TEXTURE_2D, fboTextures[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, hdrTexturesWidth[curHDRTex], hdrTexturesHeight[curHDRTex], 0, GL_RGBA, GL_FLOAT, NULL);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fboTextures[0], 0);
// Make sure all went well
gltCheckErrors();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
// Set first running mode
curProg = adaptiveProg;
}
///////////////////////////////////////////////////////////////////////////////
// Draw the scene
//
void DrawWorld()
{
modelViewMatrix.Translate(0.0f, 0.8f, 0.0f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(-0.3f, 0.f, 0.0f);
modelViewMatrix.Scale(0.40, 0.8, 0.40);
modelViewMatrix.Rotate(50.0, 0.0, 10.0, 0.0);
glSampleMaski(0, 0x02);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtYellow);
glass1Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.4f, 0.0f, 0.0f);
modelViewMatrix.Scale(0.5, 0.8, 1.0);
modelViewMatrix.Rotate(-20.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x04);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtGreen);
glass2Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(1.0f, 0.0f, -0.6f);
modelViewMatrix.Scale(0.3, 0.9, 1.0);
modelViewMatrix.Rotate(-40.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x08);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtMagenta);
glass3Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(-0.8f, 0.0f, -0.60f);
modelViewMatrix.Scale(0.6, 0.9, 0.40);
modelViewMatrix.Rotate(60.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x10);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtBlue);
glass4Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.1f, 0.0f, 0.50f);
modelViewMatrix.Scale(0.4, 0.9, 0.4);
modelViewMatrix.Rotate(205.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x20);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtPink);
glass4Batch.Draw();
modelViewMatrix.PopMatrix();
}
// called when screen size changes
void ChangeSize(int nWidth, int nHeight){
glViewport(0, 0, nWidth, nHeight);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
///////////////////////////////////////////////////////////////////////////////
// Render a frame. The owning framework is responsible for buffer swaps,
// flushes, etc.
void RenderScene(void)
{
// Bind the FBO with multisample buffers
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, msFBO);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// User selected order independant transparency
if (mode == USER_OIT)
{
// Use OIT, setup sample masks
glSampleMaski(0, 0x01);
glEnable(GL_SAMPLE_MASK);
// Prevent depth test from culling covered surfaces
glDepthFunc(GL_ALWAYS);
}
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, -0.4f, -4.0f);
modelViewMatrix.Rotate(worldAngle, 0.0, 1.0, 0.0);
// Draw the background and disk to the first sample
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 3.0f, 0.0f);
modelViewMatrix.Rotate(90.0, 1.0, 0.0, 0.0);
modelViewMatrix.Rotate(90.0, 0.0, 0.0, 1.0);
glBindTexture(GL_TEXTURE_2D, textures[1]);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE, transformPipeline.GetModelViewProjectionMatrix(), 0);
bckgrndCylBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.Translate(0.0f, -0.3f, 0.0f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(90.0, 1.0, 0.0, 0.0);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vGrey);
diskBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.Translate(0.0f, 0.1f, 0.0f);
// User selected blending
if (mode == USER_BLEND)
{
// Setup blend state
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
switch (blendMode)
{
case 1:
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
case 2:
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA);
break;
case 3:
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
break;
case 4:
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
break;
case 5:
glBlendFunc(GL_SRC_ALPHA, GL_DST_COLOR);
break;
case 6:
glBlendFuncSeparate(GL_SRC_ALPHA, GL_DST_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
case 7:
glBlendFuncSeparate(GL_SRC_COLOR, GL_DST_COLOR, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
default:
glDisable(GL_BLEND);
}
}
// Now draw the glass pieces
DrawWorld();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
// Clean up all state
glDepthFunc(GL_LEQUAL);
glDisable(GL_BLEND);
glDisable(GL_SAMPLE_MASK);
glSampleMaski(0, 0xffffffff);
// Resolve multisample buffer
projectionMatrix.PushMatrix();
projectionMatrix.LoadMatrix(orthoMatrix);
modelViewMatrix.PushMatrix();
modelViewMatrix.LoadIdentity();
// Setup and Clear the default framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glViewport(0, 0, screenWidth, screenHeight);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (mode == USER_OIT)
SetupOITResolveProg();
else if (mode == USER_BLEND)
SetupResolveProg();
// Draw a full-size quad to resolve the multisample surfaces
screenQuad.Draw();
modelViewMatrix.PopMatrix();
projectionMatrix.PopMatrix();
// Reset texture state
glEnable(GL_DEPTH_TEST);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);
// Do the buffer Swap
glutSwapBuffers();
// Do it again
glutPostRedisplay();
}
void RenderScene(void)
{
// clear the window with current clearing lightColor
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
// use camera transform
M3DMatrix44f cameraMatrix;
cameraFrame.GetCameraMatrix(cameraMatrix);
modelViewMatrix.PushMatrix(cameraMatrix);
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 0.0f, -10.0f);
materialDiffuseColor[0] = materialDiffuseColor[1] = materialDiffuseColor[2] = 0.9f;
PassGouraudDataToShader();
glutSolidCube(20);
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, 2, 0);
modelViewMatrix.Rotate(timer.GetElapsedSeconds()*5, 0.0f, 0.0f, 1.0f);
materialDiffuseColor[0] = 0.0f;
materialDiffuseColor[1] = 0.0f;
materialDiffuseColor[2] = 0.9f;
PassGouraudDataToShader();
RenderTwentatenta();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, -2, 0);
modelViewMatrix.Rotate(timer.GetElapsedSeconds()*10, 0.0f, 0.0f, 1.0f);
materialDiffuseColor[0] = 0.0f;
materialDiffuseColor[1] = 0.9f;
materialDiffuseColor[2] = 0.0f;
PassGouraudDataToShader();
RenderSmoothTwentatenta();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
//modelViewMatrix.Translate(0, 0, 0);
modelViewMatrix.Rotate(timer.GetElapsedSeconds()*10, 0.0f, 0.0f, 1.0f);
materialDiffuseColor[0] = 0.9f;
materialDiffuseColor[1] = 0.0f;
materialDiffuseColor[2] = 0.0f;
PassGouraudDataToShader();
glutSolidSphere(1, 20, 20);
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(5.0f, 0.0f, 3.0f);
materialDiffuseColor[0] = materialDiffuseColor[1] = materialDiffuseColor[2] = 10.0f;
PassGouraudDataToShader();
glutSolidCube(0.1);
modelViewMatrix.PopMatrix();
// bring camera matrix back to top of the stack
modelViewMatrix.PopMatrix();
// perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
void render_scene(void) {
float angle = timer.GetElapsedSeconds() * 3.14f / 10.0f;
location[0] = -8.0f * cos(angle / 2.0f);
location[1] = -8.0f * sin(angle / 2.0f);
location[2] = 5.0f;
light_0.position[0] = 10.0f * cos(-angle);
light_0.position[1] = 10.0f * sin(-angle);
light_0.position[2] = 3.0f;
look_at(camera_frame, location, target, up_dir);
camera_frame.GetCameraMatrix(camera_matrix);
p_stack.LoadMatrix(view_frustum.GetProjectionMatrix());
mv_stack.LoadMatrix(camera_matrix);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
//--
glUseProgram(shader_color);
mv_stack.PushMatrix();
mv_stack.Translate(light_0.position[0], light_0.position[1], light_0.position[2]);
mv_stack.Scale(0.25f, 0.25f, 0.25f);
glUniformMatrix4fv(mvp_matrix_location_shader_color, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
draw_light();
mv_stack.PopMatrix();
//--
glUseProgram(shader_light);
glUniformMatrix3fv(normal_matrix_location, 1, GL_FALSE, geometry_pipeline.GetNormalMatrix());
glUniformMatrix4fv(v_matrix_location, 1, GL_FALSE, camera_matrix);
glUniform3fv(intensity_ambient_component_location, 1, intensity_ambient_component);
glUniform3fv(light_0_position_location, 1, light_0.position);
glUniform3fv(light_0_intensity_diffuse_location, 1, light_0.intensity_diffuse);
glUniform3fv(light_0_intensity_specular_location, 1, light_0.intensity_specular);
glUniform3fv(light_0_attenuation_location, 1, light_0.attenuation);
glUniform1f(material_0_ka_location, material_0.ka);
glUniform1f(material_0_kd_location, material_0.kd);
glUniform1f(material_0_ks_location, material_0.ks);
glUniform1f(material_0_alpha_location, material_0.alpha);
//--
glUniformMatrix4fv(mvp_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(mv_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewMatrix());
draw_grid();
draw_floor();
//--
for(int i = -20; i < 20; i += 5) {
for(int j = -20; j < 20; j += 5) {
mv_stack.PushMatrix();
mv_stack.Translate((float)i, (float)j, 0.0f);
glUniformMatrix4fv(mvp_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(mv_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewMatrix());
draw_pyramid();
mv_stack.PopMatrix();
}
}
//--
mv_stack.PushMatrix();
mv_stack.Translate(0.0f, 0.0f, 4.0f);
glUniformMatrix4fv(mvp_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(mv_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewMatrix());
draw_icosahedron(20, vertices_icosahedron, faces_icosahedron);
mv_stack.PopMatrix();
//--
mv_stack.PushMatrix();
mv_stack.Translate(-5.0f, 0.0f, 4.0f);
glUniformMatrix4fv(mvp_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(mv_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewMatrix());
draw_icosahedron_smooth(20, vertices_icosahedron, faces_icosahedron);
mv_stack.PopMatrix();
//--
glUseProgram(0);
glutSwapBuffers();
glutPostRedisplay();
}
// Called to draw scene
void RenderScene(void)
{
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
// Draw the world upside down
modelViewMatrix.PushMatrix();
modelViewMatrix.Scale(1.0f, -1.0f, 1.0f); // Flips the Y Axis
modelViewMatrix.Translate(0.0f, 0.8f, 0.0f); // Scootch the world down a bit...
glFrontFace(GL_CW);
DrawSongAndDance(yRot);
glFrontFace(GL_CCW);
modelViewMatrix.PopMatrix();
// Draw the solid ground
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, uiTextures[0]);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
static GLfloat vFloorColor[] = { 1.0f, 1.0f, 1.0f, 0.75f};
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_MODULATE,
transformPipeline.GetModelViewProjectionMatrix(),
vFloorColor,
0);
floorBatch.Draw();
glDisable(GL_BLEND);
DrawSongAndDance(yRot);
modelViewMatrix.PopMatrix();
// Render the overlay
// Creating this matrix really doesn't need to be done every frame. I'll leave it here
// so all the pertenant code is together
M3DMatrix44f mScreenSpace;
m3dMakeOrthographicMatrix(mScreenSpace, 0.0f, 800.0f, 0.0f, 600.0f, -1.0f, 1.0f);
// Turn blending on, and depth testing off
glEnable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glUseProgram(rectReplaceShader);
glUniform1i(locRectTexture, 0);
glUniformMatrix4fv(locRectMVP, 1, GL_FALSE, mScreenSpace);
glBindTexture(GL_TEXTURE_RECTANGLE, uiTextures[3]);
logoBatch.Draw();
// Restore no blending and depth test
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
// Do the buffer Swap
glutSwapBuffers();
// Do it again
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Render a frame. The owning framework is responsible for buffer swaps,
// flushes, etc.
void RenderScene(void)
{
static CStopWatch animationTimer;
static float totalTime = 6; // To go back and forth
static float halfTotalTime = totalTime/2;
float seconds = animationTimer.GetElapsedSeconds() * speedFactor;
float xPos = 0;
// Calculate the next postion of the moving object
// First perform a mod-like operation on the time as a float
while(seconds > totalTime)
seconds -= totalTime;
// Move object position, if it's gone half way across
// start bringing it back
if(seconds < halfTotalTime)
xPos = seconds -halfTotalTime*0.5f;
else
xPos = totalTime - seconds -halfTotalTime*0.5f;
// First draw world to screen
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textures[0]); // Marble
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_MODULATE, transformPipeline.GetModelViewProjectionMatrix(), vWhite, 0);
floorBatch.Draw();
DrawWorld(0.0f, xPos);
modelViewMatrix.PopMatrix();
if(bUsePBOPath)
{
// First bind the PBO as the pack buffer, then read the pixels directly to the PBO
glBindBuffer(GL_PIXEL_PACK_BUFFER, pixBuffObjs[0]);
glReadPixels(0, 0, screenWidth, screenHeight, GL_RGB, GL_UNSIGNED_BYTE, NULL);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
// Next bind the PBO as the unpack buffer, then push the pixels straight into the texture
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pixBuffObjs[0]);
// Setup texture unit for new blur, this gets imcremented every frame
glActiveTexture(GL_TEXTURE0+GetBlurTarget0() );
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, screenWidth, screenHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
else
{
// Grab the screen pixels and copy into local memory
glReadPixels(0, 0, screenWidth, screenHeight, GL_RGB, GL_UNSIGNED_BYTE, pixelData);
// Push pixels from client memory into texture
// Setup texture unit for new blur, this gets imcremented every frame
glActiveTexture(GL_TEXTURE0+GetBlurTarget0() );
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, screenWidth, screenHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pixelData);
}
// Draw full screen quad with blur shader and all blur textures
projectionMatrix.PushMatrix();
projectionMatrix.LoadIdentity();
projectionMatrix.LoadMatrix(orthoMatrix);
modelViewMatrix.PushMatrix();
modelViewMatrix.LoadIdentity();
glDisable(GL_DEPTH_TEST);
SetupBlurProg();
screenQuad.Draw();
glEnable(GL_DEPTH_TEST);
modelViewMatrix.PopMatrix();
projectionMatrix.PopMatrix();
// Move to the next blur texture for the next frame
AdvanceBlurTaget();
// Do the buffer Swap
glutSwapBuffers();
// Do it again
glutPostRedisplay();
UpdateFrameCount();
}
void RenderScene(void) {
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
glEnable(GL_CULL_FACE);
glFrontFace(GL_CW);
CStopWatch timer;
float angle = timer.GetElapsedSeconds()*3.14f;
M3DVector3f mAt={0,0,0};
M3DVector3f mUp={0,0,1};
M3DVector3f mEye;
mEye[0]=6.8f*cos(angle);
mEye[1]=6.0f*sin(angle);
mEye[2]=5.0f;
LookAt(mFrame,mEye,mAt,mUp);
mFrame.GetCameraMatrix(mCameraMatrix);
matrixStack.LoadMatrix(mFrustrum.GetProjectionMatrix());
matrixStack.MultMatrix(mCameraMatrix);
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, matrixStack.GetMatrix());
drawGrid();
matrixStack.Translate(1.0f,7.0f,0.0f);
matrixStack.Rotate(30.0f,0.0,0.0,1.0);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,matrixStack.GetMatrix());
drawPyramid();
matrixStack.PopMatrix();
matrixStack.Translate(-7.0f,0.0f,0.0f);
matrixStack.Scale(2.0f, 2.0f, 2.0f);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,matrixStack.GetMatrix());
drawPyramid();
matrixStack.PopMatrix();
// Perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
void RenderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glFrontFace(GL_CW);
glUseProgram(shader);
M3DVector3f at={0.0f, 0.0f, 0.0f};
M3DVector3f up={0.0f, 0.0f, 1.0f};
M3DVector3f eye;
float angle = timer.GetElapsedSeconds()*3.14159f/8;
eye[0]= 6.8f * cos(angle);
eye[1]= 6.0f * sin(angle);
eye[2]= 25.0f;
LookAt(cameraFrame,eye,at,up);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
szachownica();
modelView.Translate(0.0f, 0.0f, 0.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujPiramidke();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(5.0f, 0.0f, 0.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujPiramidke();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-5.0f, 0.0f, 0.0f);
modelView.Scale(2.0f, 2.0f, 2.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujPiramidke();
modelView.PopMatrix();
modelView.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Render the block
void RenderBlock(void)
{
GLfloat vRed[] = { 1.0f, 0.0f, 0.0f, 1.0f};
GLfloat vWhite[] = { 1.0f, 1.0f, 1.0f, 1.0f };
switch(nStep)
{
// Wire frame
case 0:
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vRed);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDisable(GL_CULL_FACE);
// Draw the cube
cubeBatch.Draw();
break;
// Wire frame, but not the back side... we also want the block to be in the stencil buffer
case 1:
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vRed);
// Draw solid block in stencil buffer
// Back face culling prevents the back sides from showing through
// The stencil pattern is used to mask when we draw the floor under it
// to keep it from showing through.
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_NEVER, 0, 0);
glStencilOp(GL_INCR, GL_INCR, GL_INCR);
cubeBatch.Draw();
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
glDisable(GL_STENCIL_TEST);
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
// Draw the front side cube
cubeBatch.Draw();
break;
// Solid
case 2:
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vRed);
// Draw the cube
cubeBatch.Draw();
break;
// Lit
case 3:
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF, modelViewMatrix.GetMatrix(),
projectionMatrix.GetMatrix(), vLightPos, vRed);
// Draw the cube
cubeBatch.Draw();
break;
// Textured & Lit
case 4:
case 5:
default:
glBindTexture(GL_TEXTURE_2D, textures[2]);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF, modelViewMatrix.GetMatrix(),
projectionMatrix.GetMatrix(), vLightPos, vWhite, 0);
glBindTexture(GL_TEXTURE_2D, textures[1]);
topBlock.Draw();
glBindTexture(GL_TEXTURE_2D, textures[2]);
frontBlock.Draw();
glBindTexture(GL_TEXTURE_2D, textures[3]);
leftBlock.Draw();
break;
}
// Put everything back
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
glDisable(GL_STENCIL_TEST);
}
///////////////////////////////////////////////////////////////////////////////
// Draw the scene
//
void DrawWorld(GLfloat yRot)
{
M3DMatrix44f mCamera;
modelViewMatrix.GetMatrix(mCamera);
// Need light position relative to the Camera
M3DVector4f vLightTransformed;
m3dTransformVector4(vLightTransformed, vLightPos, mCamera);
// Draw the light source as a small white unshaded sphere
modelViewMatrix.PushMatrix();
modelViewMatrix.Translatev(vLightPos);
if(bUseFBO)
UseProcessProgram(vLightPos, vWhite, -1);
else
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vWhite);
sphereBatch.Draw();
modelViewMatrix.PopMatrix();
// Draw stuff relative to the camera
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 0.2f, -2.5f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.0, (GLfloat)-0.60, 0.0);
modelViewMatrix.Scale((GLfloat)0.02, (GLfloat)0.006, (GLfloat)0.02);
glBindTexture(GL_TEXTURE_2D, ninjaTex[0]);
if(bUseFBO)
{
UseProcessProgram(vLightTransformed, vWhite, 0);
}
else
{
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE, transformPipeline.GetModelViewProjectionMatrix(), 0);
}
ninja.Render(0,0);
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
}
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();
}
///////////////////////////////////////////////////////////////////////////////
// Render a frame. The owning framework is responsible for buffer swaps,
// flushes, etc.
void RenderScene(void)
{
static CStopWatch animationTimer;
float yRot = animationTimer.GetElapsedSeconds() * 60.0f;
// MoveCamera();
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
GLfloat vFloorColor[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
if(bUseFBO)
{
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fboName);
#ifndef OPENGL_ES
glDrawBuffers(3, fboBuffs);
#endif
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Need light position relative to the Camera
M3DVector4f vLightTransformed;
m3dTransformVector4(vLightTransformed, vLightPos, mCamera);
UseProcessProgram(vLightTransformed, vFloorColor, 0);
}
else
{
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
#ifndef OPENGL_ES
glDrawBuffers(1, windowBuff);
#endif
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_MODULATE, transformPipeline.GetModelViewProjectionMatrix(), vFloorColor, 0);
}
glBindTexture(GL_TEXTURE_2D, textures[0]); // Marble
floorBatch.Draw();
DrawWorld(yRot);
modelViewMatrix.PopMatrix();
if(bUseFBO)
{
// Direct drawing to the window
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
#ifndef OPENGL_ES
glDrawBuffers(1, windowBuff);
#endif
glViewport(0, 0, screenWidth, screenHeight);
#ifndef OPENGL_ES
// Source buffer reads from the framebuffer object
glBindFramebuffer(GL_READ_FRAMEBUFFER, fboName);
// Copy greyscale output to the left half of the screen
glReadBuffer(GL_COLOR_ATTACHMENT1);
glBlitFramebuffer(0, 0, screenWidth/2, screenHeight,
0, 0, screenWidth/2, screenHeight,
GL_COLOR_BUFFER_BIT, GL_NEAREST );
// Copy the luminance adjusted color to the right half of the screen
glReadBuffer(GL_COLOR_ATTACHMENT2);
glBlitFramebuffer(screenWidth/2, 0, screenWidth, screenHeight,
screenWidth/2, 0, screenWidth, screenHeight,
GL_COLOR_BUFFER_BIT, GL_NEAREST );
// Scale the unaltered image to the upper right of the screen
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBlitFramebuffer(0, 0, screenWidth, screenHeight,
(int)(screenWidth *(0.8)), (int)(screenHeight*(0.8)),
screenWidth, screenHeight,
GL_COLOR_BUFFER_BIT, GL_LINEAR );
glBindTexture(GL_TEXTURE_2D, 0);
#endif
}
// Do the buffer Swap
glutSwapBuffers();
// Do it again
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 RenderScene()
{
static GLfloat vSunColor[] = { 1.0f, 0.0f, 0.0f, 1.0f };
static GLfloat vEarthColor[] = { 0.0f, 0.0f, 1.0f, 1.0f };
static GLfloat vMoonColor[] = { 1.0f, 1.0f, 0.0f, 1.0f };
static GLfloat vFloorColor[] = { 0.0f, 1.0f, 0.0f, 1.0f};
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.PushMatrix(mCamera);
M3DVector4f vLightPos = { 0.0f, 10.0f, 5.0f, 1.0f };
M3DVector4f vLightEyePos;
m3dTransformVector4(vLightEyePos, vLightPos, mCamera);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
vFloorColor);
floorBatch.Draw();
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
modelViewMatrix.Translate(0.0f, 0.0f, -3.5f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(), vSunColor);
sunSphereBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.Rotate(yRot * -2.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.8f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(), vEarthColor);
earthSphereBatch.Draw();
modelViewMatrix.Rotate(yRot * -4.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.4f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(), vMoonColor);
moonSphereBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
