saveFrame() only capturing Background Image
in
Programming Questions
•
7 months ago
I'm having an issue with background image, when I save a frame. The background image is all that shows.
The saveframe() works fine when I use a plain white background though.
- import ddf.minim.*;
- import ddf.minim.analysis.*;
- PFont font;
- PImage bg;
- final static byte FPS = 60;
- final static int maxDots = 300;
- final static int maxCircles = 4;
- final static int maxCircleSize = 1200;
- final static ArrayList<PVector> dotList = new ArrayList<PVector>();
- final static ArrayList<PVector> targetPosList = new ArrayList<PVector>();
- final static ArrayList<PVector> currentPos = new ArrayList<PVector>();
- final static ArrayList<PVector> circleList = new ArrayList<PVector>();
- final static ArrayList<PVector> targetCircleList = new ArrayList<PVector>();
- final static ArrayList<PVector> circleCurrentPos = new ArrayList<PVector>();
- float distance;
- Minim minim;
- AudioPlayer player;
- BeatDetect beat;
- FFT fft;
- void setup() {
- bg = loadImage("gradient.jpg");
- size(displayWidth, displayHeight, OPENGL);
- smooth(4);
- noCursor();
- frameRate(FPS);
- minim = new Minim(this);
- player = minim.loadFile("testmp3.mp3");
- player.play();
- fft = new FFT(player.bufferSize(), player.sampleRate());
- fft.logAverages(60, 7);
- font = loadFont("AktivGrotesk-Bold-48.vlw");
- textFont(font, 32);
- for (int i = 0; i < maxCircles ; i++) {
- circleList.add (new PVector( random(0, width), random(0, height), random(600, maxCircleSize) ));
- circleCurrentPos.add(new PVector( circleList.get(circleList.size()-1).x, circleList.get(circleList.size()-1).y));
- targetCircleList.add (new PVector( random(0, width), random(0, height) ));
- }
- }
- boolean sketchFullScreen() {
- return true;
- }
- void connectPoints()
- {
- stroke(0, 40);
- strokeWeight(1.75);
- for (int i = dotList.size()-1; i > 0; i--) {
- for (int z = dotList.size()-1; z > 0; z--) {
- distance = dist(currentPos.get(i).x, currentPos.get(i).y, currentPos.get(z).x, currentPos.get(z).y);
- if (distance < 70) {
- line(currentPos.get(i).x, currentPos.get(i).y, currentPos.get(z).x, currentPos.get(z).y);
- }
- }
- }
- }
- void draw() {
- background(bg);
- fill(255);
- text("I Giorni - Ludivico Einaudi", 30, height - 45);
- fft.forward(player.mix);
- int dotAmount = round(constrain(map(fft.getAvg(15), 0, 20, 0, maxDots), 0, maxDots));
- float circleSize = map(fft.getAvg(4), 0, 20, 0.94, 1);
- float circleAlpha = constrain(map(fft.getAvg(4), 0, 20, 7, 20), 0, 20);
- int circleAmount = round(constrain(map(fft.getAvg(4), 0, 3, 0, maxCircles), 0, maxCircles));
- int amt = dotAmount/maxDots;
- float speedMagnitude = lerp(0.0006, 0.0024, amt);
- for (int i = dotList.size()-1; i > 0; i--) {
- currentPos.get(i).x = currentPos.get(i).x + (dotList.get(i).x - targetPosList.get(i).x)*speedMagnitude;
- currentPos.get(i).y = currentPos.get(i).y + (dotList.get(i).y - targetPosList.get(i).y)*speedMagnitude;
- // point(currentPos.get(i).x, currentPos.get(i).y );
- }
- for (int i = circleList.size()-1; i > 0; i--) {
- stroke(0, 0);
- fill(0, circleAlpha);
- circleCurrentPos.get(i).x = circleCurrentPos.get(i).x + (circleList.get(i).x - targetCircleList.get(i).x)*(speedMagnitude/4);
- circleCurrentPos.get(i).y = circleCurrentPos.get(i).y + (circleList.get(i).y - targetCircleList.get(i).y)*(speedMagnitude/4);
- ellipse(circleCurrentPos.get(i).x, circleCurrentPos.get(i).y, circleList.get(i).z*circleSize, circleList.get(i).z*circleSize);
- }
- connectPoints();
- for (int i = dotList.size()-1; i > 0; i--) {
- if (
- currentPos.get(i).x > width ||
- currentPos.get(i).x < 0 ||
- currentPos.get(i).y > height ||
- currentPos.get(i).y < 0) {
- currentPos.remove(i);
- dotList.remove(i);
- targetPosList.remove(i);
- }
- }
- for (int i = circleList.size()-1; i > 0; i--) {
- if (
- circleCurrentPos.get(i).x > width+1400 ||
- circleCurrentPos.get(i).x < 0-1400 ||
- circleCurrentPos.get(i).y > height+1400 ||
- circleCurrentPos.get(i).y < 0-1400) {
- circleCurrentPos.remove(i);
- circleList.remove(i);
- targetCircleList.remove(i);
- circleList.add (new PVector( dotList.get(i).x, dotList.get(i).y, random(400, maxCircleSize) ));
- circleCurrentPos.add(new PVector( dotList.get(dotList.size()-1).x, dotList.get(dotList.size()-1).y));
- targetCircleList.add (new PVector( targetPosList.get(i).x, targetPosList.get(i).y ));
- }
- }
- int dotsDifference = dotAmount - dotList.size();
- int circleDifference = circleAmount - circleList.size();
- for (int i = 0; i < dotsDifference; i++) {
- dotList.add (new PVector( random(0, width), random(0, height) ));
- currentPos.add(new PVector( dotList.get(dotList.size()-1).x, dotList.get(dotList.size()-1).y));
- targetPosList.add (new PVector( random(width), random(height) ));
- }
- for(int i = 0; i < player.bufferSize() - 1; i++)
- {
- strokeWeight(6);
- stroke(255, 100);
- float x1 = map(i, 0, player.bufferSize(), 0, width);
- float x2 = map(i+1, 0, player.bufferSize(), 0, width);
- line(x1, (height/2) + player.mix.get(i)*50, x2, (height/2) + player.left.get(i+1)*50);
- }
- }
- void mousePressed() {
- saveFrame("output-####.tga");
- }
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