生成的な形態をつくる - SFC「複雑性の数理」ゲストレクチャー
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生成的な形態をつくる - SFC「複雑性の数理」ゲストレクチャー
- 2. ‣ ‣http://goo.gl/AgqHt (Mac ) ‣ ‣ http://goo.gl/jYzT4 ‣ http://goo.gl/mMvzJ ‣
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- 12. ‣ ‣ http://liaworks.com/projects/arcs21/ ‣ http://itunes.apple.com/us/app/arcs-21/id338741179?mt=8
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- 38. ‣ ‣ ‣ http://www.openframeworks.cc/ ‣ ‣ ‣ ‣
- 39. ‣ ‣ ‣ N W E S
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- 42. ‣ #pragma once #include "ofMain.h" class RandomWalker { public: void init(int _w, int _h); // void update(); // void draw(); // int width, height; // float n, s, w, e; // ofVec2f pos; // };
- 43. ‣ #include "RandomWalker.h" void RandomWalker::init(int _w, int _h) { // width = _w; height = _h; // pos.x = width/2; pos.y = width/2; } void RandomWalker::update() { // pos.x += round(ofRandom(-1, 1)); pos.y += round(ofRandom(-1, 1)); // if (pos.x < 0) pos.x = width; if (pos.x > width) pos.x = 0; if (pos.y < 0) pos.y = height; if (pos.y > height) pos.y = 0; } void RandomWalker::draw() { //
- 44. ‣ #include "RandomWalker.h" void RandomWalker::init(int _w, int _h) { // width = _w; height = _h; // pos.x = width/2; pos.y = width/2; } void RandomWalker::update() { // pos.x += round(ofRandom(-1, 1)); pos.y += round(ofRandom(-1, 1)); // if (pos.x < 0) pos.x = width; if (pos.x > width) pos.x = 0; if (pos.y < 0) pos.y = height; if (pos.y > height) pos.y = 0; } void RandomWalker::draw() { //
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- 47. ‣ #include "testApp.h" void testApp::setup(){ ofEnableAlphaBlending(); ofSetFrameRate(60); speed = 100; ofBackground(0, 0, 0); width = ofGetWidth(); height = ofGetHeight(); //walker walker.init(ofGetWidth(), ofGetHeight()); // myImage.allocate(width, height, OF_IMAGE_GRAYSCALE); unsigned char * pixels = myImage.getPixels(); pixels = myImage.getPixels(); for (int i = 0; i < width * height; i++){ pixels[i] = 0; } myImage.update(); }
- 48. ‣ ‣ testApp::update(){ void // pixels unsigned char * pixels = myImage.getPixels(); //100 for (int i = 0; i < 100; i++) { //walker walker.update(); //walker int val = pixels[int(walker.pos.y) * width + int(walker.pos.x)]; val += 64; if (val > 255) { val = 255; } pixels[int(walker.pos.y) * width + int(walker.pos.x)] = val; } // myImage.update(); }
- 49. ‣ ‣ testApp::draw(){ void // ofSetColor(255, 255, 255); myImage.draw(0, 0); //walker ofSetColor(255, 0, 0); walker.draw(); } void testApp::keyPressed (int key){ // unsigned char * pixels = myImage.getPixels(); for (int i = 0; i < width * height; i++){ pixels[i] = 0; } myImage.update(); //walker walker.pos.x = ofGetWidth()/2; walker.pos.y = ofGetHeight()/2; }
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- 51. ‣ ‣ ‣ N W E S
- 52. ‣ #include "RandomWalker.h" void RandomWalker::init(int _w, int _h) { // width = _w; height = _h; // pos.x = width/2; pos.y = width/2; } void RandomWalker::update() { // pos.x += round(ofRandom(-1, 1)); pos.y += round(ofRandom(-1, 1)); // if (pos.x < 0) pos.x = width; if (pos.x > width) pos.x = 0; if (pos.y < 0) pos.y = height; if (pos.y > height) pos.y = 0; } void RandomWalker::draw() { //
- 53. ‣ pos.x += round(ofRandom(-1, 1)); // pos.y += round(ofRandom(-1, 1)); // ‣ pos.x += round(ofRandom(-0.75, 1.0)); // pos.y += round(ofRandom(-1.0, 0.8)); //
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