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48 lines
1.2 KiB
48 lines
1.2 KiB
#include "CustomSource.h"
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CustomSource::CustomSource(){
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// Give our source a decent name
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name = "Custom FBO Source";
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// Allocate our FBO source, decide how big it should be
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allocate(500, 500);
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// Genereate rects to be rendered into the FBO
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int numRects = 20; // change this to add more or less rects
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for(int i = 0; i < numRects; i++){
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rects.push_back(ofRectangle(0,
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ofRandom(fbo->getHeight()),
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fbo->getWidth(),
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ofRandom(20)));
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rectSpeeds.push_back((1.0f + ofRandom(5)));
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}
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}
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// Don't do any drawing here
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void CustomSource::update(){
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// Move rects
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for(int i = 0; i < rects.size(); i++){
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rects[i].y += rectSpeeds[i];
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if(rects[i].y > fbo->getHeight()){
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rects[i].y = -rects[i].getHeight();
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}
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}
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}
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// No need to take care of fbo.begin() and fbo.end() here.
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// All within draw() is being rendered into fbo;
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void CustomSource::draw(){
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// Fill FBO with our rects
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ofClear(0);
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//ofBackground(0);
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ofSetColor(255);
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#if (OF_VERSION_MAJOR == 0 && OF_VERSION_MINOR >= 9) || OF_VERSION_MAJOR > 0
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for(int i = 0; i < rects.size(); i++){
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ofDrawRectangle(rects[i]);
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}
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#else
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for(int i = 0; i < rects.size(); i++){
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ofRect(rects[i]);
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}
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#endif
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}
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