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 Display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
static CStopWatch timer;
GLfloat yRot = timer.GetElapsedSeconds()*20.0f;
GLfloat vWhite[] = {1.0f,1.0f,1.0f,1.0f};
GLfloat vLightPos[] = {0.0f,2.0f,2.0f};
GLfloat vAmbient[] = {0.3f,0.3f,1.0f,1.0f};
modelViewMatrix.PushMatrix();
//move to camera view
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.MultMatrix(mCamera);
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(yRot,1.0,1.0,1.0);
glBindTexture(GL_TEXTURE_2D,fbxTexture);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
transformPipeLine.GetModelViewMatrix(),
transformPipeLine.GetProjectionMatrix(),
vLightPos, vWhite, 0);
//*/shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeLine.GetModelViewProjectionMatrix(),vWhite);
modelViewMatrix.Scale(0.05,0.05,0.05);
rTest.DrawReader();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Called to draw scene
void RenderScene(void)
{
static GLfloat vLightPos [] = { 1.0f, 1.0f, 0.0f };
static GLfloat vWhite [] = { 1.0f, 1.0f, 1.0f, 1.0f };
// 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);
M3DMatrix44f mObjectFrame;
objectFrame.GetMatrix(mObjectFrame);
modelViewMatrix.MultMatrix(mObjectFrame);
glBindTexture(GL_TEXTURE_2D, textureID);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_POINT_LIGHT_DIFF,
transformPipeline.GetModelViewMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightPos, vWhite, 0);
pyramidBatch.Draw();
modelViewMatrix.PopMatrix();
// Flush drawing commands
glutSwapBuffers();
}
///////////////////////////////////////////////////////////////////////////////
// Enable and setup the GLSL program used for
// flushes, etc.
void UseProcessProgram(M3DVector4f vLightPos, M3DVector4f vColor, int textureUnit)
{
glUseProgram(processProg);
// Set Matricies for Vertex Program
glUniformMatrix4fv(glGetUniformLocation(processProg, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
glUniformMatrix4fv(glGetUniformLocation(processProg, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set the light position
glUniform3fv(glGetUniformLocation(processProg, "vLightPos"), 1, vLightPos);
// Set the vertex color for rendered pixels
glUniform4fv(glGetUniformLocation(processProg, "vColor"), 1, vColor);
// Set the texture unit for the texBO fetch
glUniform1i(glGetUniformLocation(processProg, "lumCurveSampler"), 1);
// If this geometry is textured, set the texture unit
if(textureUnit != -1)
{
glUniform1i(glGetUniformLocation(processProg, "bUseTexture"), 1);
glUniform1i(glGetUniformLocation(processProg, "textureUnit0"), textureUnit);
}
else
{
glUniform1i(glGetUniformLocation(processProg, "bUseTexture"), 0);
}
gltCheckErrors(processProg);
}
void SetupOITResolveProg()
{
glUseProgram(oitResolve);
// Set projection matrix
glUniformMatrix4fv(glGetUniformLocation(oitResolve, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(oitResolve, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
// Now setup the right textures
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, msTexture[0]);
glUniform1i(glGetUniformLocation(oitResolve, "origImage"), 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, depthTextureName);
glUniform1i(glGetUniformLocation(oitResolve, "origDepth"), 1);
glUniform1f(glGetUniformLocation(oitResolve, "sampleCount"), 8);
glActiveTexture(GL_TEXTURE0);
gltCheckErrors(oitResolve);
}
///////////////////////////////////////////////////////////////////////////////
// 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);
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.Rotate(yRot, 0.0f, 1.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransformed, vGreen, 0);
torusBatch.Draw();
modelViewMatrix.PopMatrix();
}
void drawTorus(GLfloat yRot)
{
M3DMatrix44f mCamera;
M3DVector4f vLightTransform;
modelViewMatrix.GetMatrix(mCamera);
m3dTransformVector4(vLightTransform,vLightPosition,mCamera);
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0,0.5,-1.0);
modelViewMatrix.Rotate(yRot,0.0,1.0,0.0);
shaderManager.UseStockShader(GLT_SHADER_POINT_LIGHT_DIFF,
modelViewMatrix.GetMatrix(),
transformPipeline.GetProjectionMatrix(),
vLightTransform,vGreen,0);
torusBatch.Draw();
modelViewMatrix.PopMatrix();
}
void SetupFlatColorProg(GLfloat *vLightPos, GLfloat *vColor)
{
glUseProgram(flatColorProg);
// Set projection matrix
glUniformMatrix4fv(glGetUniformLocation(flatColorProg, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(flatColorProg, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
// Set Light Pos
glUniform3fv(glGetUniformLocation(flatColorProg, "vLightPos"), 1, vLightPos);
// Set Color
glUniform4fv(glGetUniformLocation(flatColorProg, "vColor"), 1, vColor);
gltCheckErrors(flatColorProg);
}
void SetupHDRProg()
{
glUseProgram(hdrResolve);
// Set projection matrix
glUniformMatrix4fv(glGetUniformLocation(hdrResolve, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(hdrResolve, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
// Set user controled uniforms
glUniform1fv(glGetUniformLocation(hdrResolve, "exposure"), 1, &exposure);
// Set texture uniforms
glUniform1i(glGetUniformLocation(hdrResolve, "origImage"), 0);
glUniform1i(glGetUniformLocation(hdrResolve, "sampleWeightSampler"), 1);
// Setup MS sepcific uniforms
glUniform1i(glGetUniformLocation(hdrResolve, "sampleCount"), sampleCount);
glUniform1i(glGetUniformLocation(hdrResolve, "useWeightedResolve"), useWeightedResolve);
// Now setup the right textures
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, hdrTextures[0]);
// Check if sample weight buffer needs to be updated
if (sampleCount != lastSampleCount)
{
glBindBuffer(GL_TEXTURE_BUFFER_ARB, sampleWeightBuf);
void *data = glMapBufferRange(GL_TEXTURE_BUFFER_ARB, 0, sizeof(float)*8,
(GL_MAP_WRITE_BIT |GL_MAP_INVALIDATE_RANGE_BIT));
memcpy(data, (void*)sampleWeights[sampleCount],sizeof(float)*8);
glUnmapBuffer(GL_TEXTURE_BUFFER_ARB);
lastSampleCount = sampleCount;
}
gltCheckErrors(hdrResolve);
}
void SetupTexReplaceProg(GLfloat *vLightPos, GLfloat *vColor)
{
glUseProgram(texReplaceProg);
// Set projection matrix
glUniformMatrix4fv(glGetUniformLocation(texReplaceProg, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(texReplaceProg, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
// Set Light Pos
glUniform3fv(glGetUniformLocation(texReplaceProg, "vLightPos"), 1, vLightPos);
// Set Color
glUniform4fv(glGetUniformLocation(texReplaceProg, "vColor"), 1, vColor);
// Set Tex Unit
glUniform1i(glGetUniformLocation(texReplaceProg, "textureUnit0"), 0);
gltCheckErrors(texReplaceProg);
}
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();
}
// Called to draw scene
void RenderScene(void)
{
// Clear the window and the depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
modelViewMatix.PushMatrix(viewFrame);
GLfloat vRed[] = { 1.0f, 0.0f, 0.0f, 1.0f };
GLfloat vGray[] = { 0.75f, 0.75f, 0.75f, 1.0f };
shaderManager.UseStockShader(GLT_SHADER_DEFAULT_LIGHT, transformPipeline.GetModelViewMatrix(), transformPipeline.GetProjectionMatrix(), vRed);
tubeBatch.Draw();
shaderManager.UseStockShader(GLT_SHADER_DEFAULT_LIGHT, transformPipeline.GetModelViewMatrix(), transformPipeline.GetProjectionMatrix(), vGray);
innerBatch.Draw();
modelViewMatix.PopMatrix();
glutSwapBuffers();
}
/**
* @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();
}
// 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;
}
}
// 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();
}
// Called to draw scene
void RenderScene(void)
{
// Clear the window and the depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Turn culling on if flag is set
if(iCull)
glEnable(GL_CULL_FACE);
else
glDisable(GL_CULL_FACE);
// Enable depth testing if flag is set
if(iDepth)
glEnable(GL_DEPTH_TEST);
else
glDisable(GL_DEPTH_TEST);
modelViewMatix.PushMatrix(viewFrame);
GLfloat vRed[] = { 1.0f, 0.0f, 0.0f, 1.0f };
//shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vRed);
shaderManager.UseStockShader(GLT_SHADER_DEFAULT_LIGHT, transformPipeline.GetModelViewMatrix(), transformPipeline.GetProjectionMatrix(), vRed);
torusBatch.Draw();
modelViewMatix.PopMatrix();
glutSwapBuffers();
}
///////////////////////////////////////////////////////////////////////////////
// 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();
}
