void ShadowMapSample::updateShadowMap()
{
mDepthFbo.bindFramebuffer();
glPolygonOffset( 1.0f, 1.0f );
glEnable( GL_POLYGON_OFFSET_FILL );
glClear( GL_DEPTH_BUFFER_BIT );
glPushAttrib( GL_VIEWPORT_BIT );
glViewport( 0, 0, SHADOW_MAP_RESOLUTION, SHADOW_MAP_RESOLUTION );
gl::pushMatrices();
mLight->setShadowRenderMatrices();
mBackboard.draw();
mTorus.draw();
gl::drawCube( vec3::zero(), vec3( 1, 1, 1 ) );
gl::popMatrices();
glPopAttrib();
glDisable( GL_POLYGON_OFFSET_FILL );
mDepthFbo.unbindFramebuffer();
}
/*
* @Description: drawing all objects in scene here
* @param: none
* @return: none
*/
void Base_ThreeD_ProjectApp::drawTestObjects()
{
//glColor3f(1.0, 0.2, 0.2);
gl::pushMatrices();
glTranslatef(-2.0f, -1.0f, 0.0f);
glRotated(90.0f, 1, 0, 0);
mTorus.draw();
gl::popMatrices();
//glColor3f(0.4, 1.0, 0.2);
gl::pushMatrices();
glTranslatef(0.0f, -1.35f, 0.0f);
mBoard.draw();
gl::popMatrices();
//glColor3f(0.8, 0.5, 0.2);
gl::pushMatrices();
glTranslatef(0.4f, -0.3f, 0.5f);
glScalef(2.0f, 2.0f, 2.0f);
mBox.draw();
gl::popMatrices();
//glColor3f(0.3, 0.5, 0.9);
gl::pushMatrices();
glTranslatef(0.1f, -0.56f, -1.25f);
mSphere.draw();
gl::popMatrices();
}
void ShadowMapSample::draw()
{
gl::clear();
gl::enableDepthWrite();
glEnable( GL_LIGHTING );
updateShadowMap();
gl::enableDepthRead();
glEnable( GL_TEXTURE_2D );
mDepthFbo.bindDepthTexture();
mShader.bind();
mShader.uniform( "shadowTransMatrix", mLight->getShadowTransformationMatrix( *mCamera ) );
if( mLookThroughCamera )
gl::setMatrices( *mCamera );
else
gl::setMatrices( mLight->getShadowCamera() );
mLight->update( *mCamera );
glPushMatrix();
mBackboard.draw();
mTorus.draw();
gl::drawCube( vec3::zero(), vec3( 1, 1, 1 ) );
glPopMatrix();
mShader.unbind();
mDepthFbo.unbindTexture();
// Draw the lighting frustum unless we're looking through it
if( mLookThroughCamera ) {
glDisable( GL_LIGHTING );
glColor3f( 1.0f, 1.0f, 0.1f );
gl::drawFrustum( mLight->getShadowCamera() );
}
if( mDrawDepthMap ) { // there are faster ways to achieve this, but this is a handy way to see the depth map
gl::setMatricesWindow( getWindowSize() );
Surface32f shadowMapSurface( mDepthFbo.getDepthTexture() );
ip::hdrNormalize( &shadowMapSurface );
gl::color( Color::white() );
gl::draw( gl::Texture( shadowMapSurface ), Rectf( 0, 0, 128, 128 ) );
}
}
void RodSoundApp::draw() {
while (running &&
// app::getElapsedSeconds() - tAtLastDraw < 1.0/app::getFrameRate() &&
fe.nextTimestep(c) > 1.0 / (real) SampleRate) {
update();
}
tAtLastDraw = app::getElapsedSeconds();
PROFILER_START("Draw");
// Clear out the window with grey
gl::clear(Color(0.45, 0.45, 0.5));
// Enable alpha blending and depth testing
gl::enableAlphaBlending();
gl::enableDepthRead(true);
gl::enableDepthWrite(true);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Draw framerate counter
gl::setMatricesWindow(getWindowSize());
std::stringstream ss;
ss << getAverageFps();
gl::drawStringRight(ss.str(),
Vec2c(getWindowWidth()-toPixels(10), getWindowHeight()-toPixels(20)),
Color(0.0, 0.0, 0.0),
Font("Arial", toPixels(12)));
// Set projection/modelview matrices
gl::setMatrices(cam);
// Draw the rod and the normal of the bishop frame
for(int i=0; i<r->numEdges(); i++) {
Vec3c p0 = EtoC(r->cur().POS(i));
Vec3c p1 = EtoC(r->cur().POS(i+1));
gl::drawLine(p0, p1);
gl::color(1.0, 1.0, 0.0);
gl::lineWidth(1.0);
Vec3c u = EtoC(r->cur().u[i]);
gl::drawLine((p0+p1)/2.0, (p0+p1)/2.0+u*(p1-p0).length()*2.0);
}
m.apply();
l->setDiffuse(Color::white());
l->setAmbient(Color::white());
l->setPosition(Vec3c(0.0, 50.0, 0.0));
l->enable();
diffuseProg.bind();
for (int i=0; i<r->numCPs(); i++) {
gl::pushModelView();
gl::translate(EtoC(r->cur().POS(i)));
spheredl->draw();
gl::popModelView();
}
diffuseProg.unbind();
rodProg.bind();
floorTex.enableAndBind();
gl::draw(floor);
floorTex.disable();
rodProg.unbind();
// Draw rod edges
rodProg.bind();
rodTex.enableAndBind();
for (int i=0; i<r->numEdges(); i++) {
gl::pushModelView();
Vec3c v = EtoC(r->cur().edge(i).normalized());
gl::translate(EtoC(r->cur().POS(i)));
Quaternion<real> q(Vec3c(0.0, 1.0, 0.0), v);
real angle = acos(std::max((real)-1.0, std::min((real)1.0, (q*Vec3c(-1.0, 0.0, 0.0)).dot(EtoC(r->cur().u[i])))));
if ((q*Vec3c(-1.0, 0.0, 0.0)).dot(EtoC(r->cur().v(i))) > 0.0) angle = -angle;
gl::rotate(Quaternion<real>(v, angle));
gl::rotate(q);
gl::rotate(Vec3c(0.0, r->cur().rot(i)*180.0/constants::pi, 0.0));
gl::scale(1.0, r->cur().edgeLength(i), 1.0);
cylinderdl->draw();
gl::popModelView();
}
rodTex.unbind();
rodProg.unbind();
for (RodEnergy* e : energies) {
e->draw(c.timestep());
}
integrator->draw();
fe.record(c);
PROFILER_STOP("Draw");
}