void TradingSignalMomentum::addMomentum() {
QTableWidgetItem* instrument = new QTableWidgetItem(ui->instrument_text->text());
QTableWidgetItem* volume = new QTableWidgetItem(ui->volume_text->text());
QTableWidgetItem* change = new QTableWidgetItem(ui->change_text->text());
ui->tableWidget->insertRow(ui->tableWidget->rowCount());
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1, 0, instrument);
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1, 1, volume);
ui->tableWidget->setItem(ui->tableWidget->rowCount()-1, 2, change);
emit newMomentum(ui->instrument_text->text(), ui->volume_text->text(), ui->change_text->text());
ui->instrument_text->clear();
ui->volume_text->clear();
ui->change_text->clear();
}
void Physics::update()
{
for (TilePhysics* tile : tiles) {
Vector2 tilePos = Vector2(tile->getTransform().getWorldPosition());
tile->setMomentum(tile->getMomentum() + (ftime->getDeltaTime() * tile->getAcceleration()));
Vector2 tileNewPos = tilePos + (ftime->getDeltaTime() * tile->getMomentum());
for (TilePhysics* testingTile : tiles) {
if (testingTile == tile) continue;
Vector2 testingTilePos = Vector2(testingTile->getTransform().getWorldPosition());
Vector2 testingMin = testingTilePos - Vector2(testingTile->getSize() / 2.f);
Vector2 testingMax = testingTilePos + Vector2(testingTile->getSize() / 2.f);
if (tileNewPos.x > testingMin.x && tileNewPos.x < testingMax.x && tileNewPos.y > testingMin.y && tileNewPos.y < testingMax.y) {
if (tile->getMass() != 0) {
Vector2 separation = tileNewPos - testingTilePos;
Vector2 normal;
if (abs(separation.x) > abs(separation.y)) {
if (separation.x < 0) normal = Vector2(-1, 0);
else normal = Vector2(1, 0);
}
else {
if (separation.y < 0) normal = Vector2(0, -1);
else normal = Vector2(0, 1);
}
Vector2 newMomentum(tile->getMomentum() - (2 * tile->getMomentum().dot(normal) * normal));
if (normal.x == 0) {
newMomentum.y *= tile->getBounciness() + testingTile->getBounciness();
}
else {
newMomentum.x *= tile->getBounciness() + testingTile->getBounciness();
}
tile->setMomentum(newMomentum);
tile->setAcceleration(newMomentum.normalized() * tile->getAcceleration().lenght());
}
tile->setMomentum(Vector2(0));
tile->setAcceleration(Vector2(0));
}
}
tile->getTransform().setPosition(Vector3(tileNewPos.x, tileNewPos.y, 0.f));
}
}
