Cant pause loop for specified amount of time

@jacob1342 wrote:

Hi, I want to make loop that will color circles but one circle at a time and every 2 seconds. So far Im using delay method with while loop but it makes my project freeze at the beginning and after some time it already shows all circles with changed color.

This is my draw method

void ofApp::draw(){
    int i = 0;
    while (i < vertices.size()) {
	    for (int j = 0; j < visitedToDraw.size(); j++) {
		    if (vertices[i].getId() == std::to_string(visitedToDraw[j])) {
			    vertices[i].drawBFS();
			    delay(1);
		    }
	    }
	    i++;
    }
}

Here is my delay method

void ofApp::delay(int number_of_seconds) {
	    // Converting time into milli_seconds 
    int milli_seconds = 1000 * number_of_seconds;

    // Stroing start time 
    clock_t start_time = clock();

    // looping till required time is not acheived 
    while (clock() < start_time + milli_seconds)
	    ;
}

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