void PostProcController::beginDraw(ofCamera &cam) {
if (_params.enabled()) {
_postProc.begin(cam);
} else {
cam.begin();
}
}
void BlobMask::updateWith(ofCamera & camera){
for(auto & sphere: blob){
sphere.radius = ofNoise(sphere.pos.x, sphere.pos.y, sphere.pos.z, ofGetElapsedTimef() * 0.5) * this->radius;
}
ofEnableDepthTest();
minMaxDepthShader.begin();
minDepthFbo.begin();
minDepthFbo.clearDepthBuffer(0.f);
glDepthFunc(GL_GREATER);
camera.begin();
for(auto & sphere: blob){
ofDrawSphere(sphere.pos, sphere.radius);
}
camera.end();
minDepthFbo.end();
maxDepthFbo.begin();
maxDepthFbo.clearDepthBuffer(1.f);
glDepthFunc(GL_LESS);
camera.begin();
for(auto & sphere: blob){
ofDrawSphere(sphere.pos, sphere.radius);
}
camera.end();
maxDepthFbo.end();
minMaxDepthShader.end();
ofDisableDepthTest();
/*ofEnableDepthTest();
camera.begin();
for(auto & sphere: blob){
ofDrawSphere(sphere.pos, sphere.radius);
}
camera.end();
ofDisableDepthTest();*/
}
void PostProcessing::begin(ofCamera& cam)
{
// update camera matrices
cam.begin();
cam.end();
raw.begin(false);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadMatrixf(cam.getProjectionMatrix(ofRectangle(0, 0, width, height)).getPtr());
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadMatrixf(cam.getModelViewMatrix().getPtr());
glViewport(0, 0, raw.getWidth(), raw.getHeight());
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
}
void PostProcessing::begin(ofCamera& cam)
{
// update camera matrices
cam.begin();
cam.end();
raw.begin(ofFboBeginMode::NoDefaults);
ofMatrixMode(OF_MATRIX_PROJECTION);
ofPushMatrix();
ofLoadMatrix(cam.getProjectionMatrix(ofRectangle(0, 0, width, height)));
ofMatrixMode(OF_MATRIX_MODELVIEW);
ofPushMatrix();
ofLoadMatrix(cam.getModelViewMatrix());
ofViewport(0, 0, raw.getWidth(), raw.getHeight());
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
ofPushStyle();
glPushAttrib(GL_ENABLE_BIT);
}