L'électron rare
9b82a90579
Two perpendicular line-loop rings orbit the sphere, the blue ring modulated by CH1 and the orange ring by CH2, toggled with key 2.
88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
#include "ofApp.h"
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void ofApp::setup() {
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ofSetFrameRate(60);
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ofSetVerticalSync(true);
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ofBackground(6, 6, 10);
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ofEnableDepthTest();
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glEnable(GL_PROGRAM_POINT_SIZE);
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cam_.setDistance(750.0f);
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cam_.setNearClip(1.0f);
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cam_.setFarClip(5000.0f);
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sphere_.setup(5, 512, 256, 1024);
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rings_.setup(512);
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hantek_.setSampleRate(16000000u);
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const oscope::HantekStatus st = hantek_.start();
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if (st == oscope::HantekStatus::Ok) {
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demoMode_ = false;
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statusText_ = "SCOPE OK";
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} else {
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demoMode_ = true;
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statusText_ = (st == oscope::HantekStatus::FirmwareNeeded)
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? "DEMO - firmware needed (see docs/HANTEK_SETUP.md)"
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: "DEMO - scope not found";
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}
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}
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void ofApp::update() {
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if (frozen_) return;
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if (demoMode_) {
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demo_.next(buf1_, buf2_, 8192);
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} else {
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hantek_.ring().readLatest(buf1_, buf2_, 8192);
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if (hantek_.status() != oscope::HantekStatus::Ok) {
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demoMode_ = true;
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statusText_ = "DEMO - scope lost";
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}
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}
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const float sr = demoMode_ ? 48000.0f : scopeSr_;
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analyzerCh1_.update(buf1_, buf1_, sr);
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analyzerCh2_.update(buf2_, buf2_, sr);
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sphere_.setColormap(colormap_);
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sphere_.pushSpectrogramColumn(analyzerCh1_.magDown(),
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analyzerCh2_.magDown());
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sphere_.setWaveform(buf1_, buf2_);
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rings_.setWaveform(buf1_, buf2_);
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}
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void ofApp::draw() {
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cam_.begin();
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ofPushMatrix();
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ofRotateYDeg(ofGetElapsedTimef() * 6.0f);
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if (layerA_) sphere_.drawSkin();
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if (layerB_) rings_.draw();
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ofPopMatrix();
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cam_.end();
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drawHud();
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}
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void ofApp::drawHud() {
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ofDisableDepthTest();
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ofSetColor(230);
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std::string hud = statusText_ + "\n";
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hud += std::string("[1] skin ") + (layerA_ ? "on" : "off") + "\n";
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hud += std::string("[2] rings ") + (layerB_ ? "on" : "off") + "\n";
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hud += std::string("[3] points ") + (layerC_ ? "on" : "off") + "\n";
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hud += std::string("[c] colormap [space] ") +
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(frozen_ ? "frozen" : "live");
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ofDrawBitmapString(hud, 16, 24);
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ofEnableDepthTest();
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}
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void ofApp::keyPressed(int key) {
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switch (key) {
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case '1': layerA_ = !layerA_; break;
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case '2': layerB_ = !layerB_; break;
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case '3': layerC_ = !layerC_; break;
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case 'c':
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case 'C': colormap_ = (colormap_ + 1) % 2; break;
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case ' ': frozen_ = !frozen_; break;
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}
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}
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