//--------------------------------------------------------------
void testApp::mouseDragged(int x, int y, int button)
{
prevMousePos = mousePos;
mousePos.set(x, y);
VF.addInwardCircle(x, y, 600, 0.1f);
VF.addClockwiseCircle(x, y, 260, 0.3f);
if (mode == 1) { // DRAG MODE
if (words.size() > 0) {
// words.back().moveTo(mousePos);
}
}
else if (mode == 2) { // SPRAY MODE
if (prevMousePos.distance(mousePos) > 10) {
float targetScale = ofMap(mousePos.distance(prevMousePos), 0, MAX(ofGetWidth(), ofGetHeight()), 10, 500);
float targetRotation = RAD_TO_DEG * (atan2(prevMousePos.y - mousePos.y, prevMousePos.x - mousePos.x));
// Add a new Glyph to the last Word.
Glyph *glyph = new Glyph();
glyph->setInitialCondition(mousePos, ofVec2f());
glyph->setScale(targetScale);
glyph->setRotation(targetRotation);
glyph->addForce((mousePos - prevMousePos) * 0.5);
words.back()->addGlyph(glyph);
}
}
}
//--------------------------------------------------------------
void testApp::update()
{
for (int i = 0; i < words.size(); i++) {
words[i]->addInternalForces();
}
for (int i = 0; i < words.size(); i++) {
for (int j = 0; j < i; j++) {
words[i]->repelFromWord(words[j]);
}
}
for (int i = 0; i < words.size(); i++) {
for (int j = 0; j < words[i]->glyphs().size(); j++) {
Glyph *glyph = words[i]->glyphs()[j];
ofVec2f frc = VF.getForceFromPos(glyph->pos().x, glyph->pos().y);
glyph->addForce(frc);
}
}
for (int i = 0; i < words.size(); i++) {
words[i]->update();
}
float t = ofGetElapsedTimef();
crawlerInward.x = ofNoise(t * 0.50) * ofGetWidth();
crawlerInward.y = ofNoise(t * 0.42) * ofGetHeight();
VF.addInwardCircle(crawlerInward.x, crawlerInward.y, 600, 0.04f);
crawlerClockwise.x = ofNoise(t * 1.00) * ofGetWidth();
crawlerClockwise.y = ofNoise(t * 0.87) * ofGetWidth();
VF.addClockwiseCircle(crawlerClockwise.x, crawlerClockwise.y, 260, 0.08f);
for (int i = 0; i < words.size(); i++) {
words[i]->resetForces();
}
VF.fadeField(0.99);
}
//--------------------------------------------------------------
void testApp::keyPressed(int key)
{
if (key == 9) bDebug ^= true;
else if (key == '1') mode = 1;
else if (key == '2') mode = 2;
else if (key == '3') {
mode = 3;
alphaPos.set(20, ofGetHeight() - 20 - alphaScale * 4);
linePos.set(ofGetWidth() - 20 - alphaScale * 4, 20 + alphaScale * 4);
}
if (mode == 1 || mode == 2) {
if (key == OF_KEY_BACKSPACE || OF_KEY_DEL) {
// Remove all the Words.
clear();
}
}
else if (mode == 3) {
if (key >= 'a' && key <= 'z') {
int index = key - 'a';
// Add a new Word if none exist yet.
if (words.size() == 0) {
words.push_back(new Word());
}
Word *lastWord = words.back();
// Push the older Glyphs over to make room.
for (int i = 0; i < lastWord->glyphs().size(); i++) {
lastWord->glyphs()[i]->addForce(ofVec2f(lastWord->glyphs().size() - i, 0));
}
// Add a new Glyph to the last Word.
Glyph *newGlyph = new Glyph(alphabet[index]);
newGlyph->setInitialCondition(alphaPos, ofVec2f());
newGlyph->setScale(alphaScale);
newGlyph->setAnimates(false);
lastWord->addGlyph(newGlyph);
}
else if (key == OF_KEY_BACKSPACE && words.size() > 0) {
Word *lastWord = words.back();
// If the last Word has no more Glyphs, remove the last Word.
if (lastWord->glyphs().size() == 0) {
delete lastWord;
words.pop_back();
}
else {
// Remove the last Glyph from the last Word.
lastWord->removeLastGlyph();
if (lastWord->glyphs().size() > 0) {
// Pull back the last Glyph.
Glyph *lastGlyph = lastWord->glyphs().back();
lastGlyph->addForce(ofVec3f(ofRandom(-4, -6), ofRandom(-1, 1)));
}
}
}
else if (key == OF_KEY_DEL) {
// Remove all the Words.
clear();
linePos.set(20, 20 + alphaScale * 4);
}
else if (key == OF_KEY_RETURN && words.size() > 0) {
Word *lastWord = words.back();
if (lastWord->glyphs().size() > 0) {
// Push the Glyphs up.
for (int i = 0; i < lastWord->glyphs().size(); i++) {
lastWord->glyphs()[i]->addForce(ofVec2f(0, (ofGetHeight() - linePos.y) * 0.5));
}
// Add a new Word.
words.push_back(new Word());
// Set the next line position.
linePos.y += alphaScale * 4;
}
}
else if (key == ' ' && words.size() > 0) {
Word *lastWord = words.back();
// Push the older Glyphs over to make room.
for (int i = 0; i < lastWord->glyphs().size(); i++) {
lastWord->glyphs()[i]->addForce(ofVec2f(lastWord->glyphs().size() - i, 0));
}
}
}
}