プログラミング de 落描き – ページ 713 – クリエイティブ・コーディングによる生成物とソース

2018年11月25日

Screwdriver. openFrameworks

[ Video ]

[ About ]
Day 25 Screwdriver

スクリュードライバー(ウォッカ＋オレンジ）を買ってきて「酔っちゃった」とするつもりが、3件酒屋をハシゴするも取り扱いがなく、本家・スクリュードライバーの画像で「酔っちゃった」をしなければならなくなった図

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofImage image;
	vector<glm::vec3> y_noise;

	ofShader shader;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofImage image;

vector<glm::vec3> y_noise;

ofShader shader;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);

	this->image.load("image/drivers.jpg");

	for (int i = 0; i < ofGetHeight(); i++)
	{
		this->y_noise.push_back(glm::vec3(0.f, 0.f, 0.f));
	}

	this->shader.load("shader/shader.vert", "shader/shader.frag");
}
//--------------------------------------------------------------
void ofApp::update() {

	glm::vec3 noise_value;
	for (int y = 0; y < this->y_noise.size(); y++) {

		for (int i = 0; i < 3; i++) {

			noise_value[i] = ofMap(ofNoise(i, y * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -1, 1);

		}
		this->y_noise[y] = noise_value;
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->shader.begin();
	this->shader.setUniform1f("time", ofGetElapsedTimef());
	this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());
	this->shader.setUniformTexture("tex", this->image, 1);
	this->shader.setUniform3fv("y_noise", &this->y_noise[0].x, ofGetHeight());

	ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());

	this->shader.end();
}

//--------------------------------------------------------------
int main() {

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(720, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

this->image.load("image/drivers.jpg");

for (int i = 0; i < ofGetHeight(); i++)

{

this->y_noise.push_back(glm::vec3(0.f, 0.f, 0.f));

}

this->shader.load("shader/shader.vert", "shader/shader.frag");

}

//--------------------------------------------------------------

void ofApp::update() {

glm::vec3 noise_value;

for (int y = 0; y < this->y_noise.size(); y++) {

for (int i = 0; i < 3; i++) {

noise_value[i] = ofMap(ofNoise(i, y * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -1, 1);

}

this->y_noise[y] = noise_value;

}

//--------------------------------------------------------------

void ofApp::draw() {

this->shader.begin();

this->shader.setUniform1f("time", ofGetElapsedTimef());

this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());

this->shader.setUniformTexture("tex", this->image, 1);

this->shader.setUniform3fv("y_noise", &this->y_noise[0].x, ofGetHeight());

ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());

this->shader.end();

}

//--------------------------------------------------------------

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(720, 720);

ofCreateWindow(settings);

ofRunApp(new ofApp());

}

#version 150

uniform mat4 modelViewProjectionMatrix;
in vec4 position;

void main(){
	gl_Position = modelViewProjectionMatrix * position;
}

#version 150

uniform mat4 modelViewProjectionMatrix;

in vec4 position;

void main(){

gl_Position = modelViewProjectionMatrix * position;

}

#version 150

uniform float time;
uniform vec2 resolution;
uniform sampler2DRect tex;
uniform vec3 y_noise[720];

out vec4 outputColor;

void main() {

  float drift = 50.0;
  float r = texture(tex, vec2(gl_FragCoord.x + drift * y_noise[int(gl_FragCoord.y)].r, (resolution.y - gl_FragCoord.y))).r;
  float g = texture(tex, vec2(gl_FragCoord.x + drift * y_noise[int(gl_FragCoord.y)].g, (resolution.y - gl_FragCoord.y))).g;
  float b = texture(tex, vec2(gl_FragCoord.x + drift * y_noise[int(gl_FragCoord.y)].b, (resolution.y - gl_FragCoord.y))).b;
  outputColor = vec4(r, g, b, 1.0);
}

#version 150

uniform float time;

uniform vec2 resolution;

uniform sampler2DRect tex;

uniform vec3 y_noise[720];

out vec4 outputColor;

void main() {

float drift = 50.0;

float r = texture(tex, vec2(gl_FragCoord.x + drift * y_noise[int(gl_FragCoord.y)].r, (resolution.y - gl_FragCoord.y))).r;

float g = texture(tex, vec2(gl_FragCoord.x + drift * y_noise[int(gl_FragCoord.y)].g, (resolution.y - gl_FragCoord.y))).g;

float b = texture(tex, vec2(gl_FragCoord.x + drift * y_noise[int(gl_FragCoord.y)].b, (resolution.y - gl_FragCoord.y))).b;

outputColor = vec4(r, g, b, 1.0);

}

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2018年11月24日

Printer. openFrameworks

[ Video ]

[ About ]
Day 24 Printer.

3D空間に画像を描写

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	int size;
	vector<glm::vec2> locations;
	vector<ofColor> colors;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

int size;

vector<glm::vec2> locations;

vector<ofColor> colors;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");
	
	ofBackground(0);
	ofEnableDepthTest();
	ofSetLineWidth(3);
		
	auto mat = cv::imread("lena.png");

	this->size = 4;
	for (int x = 0; x < mat.cols; x += this->size) {

		for (int y = 0; y < mat.rows; y += this->size) {

			cv::Vec3b mat_color = mat.at<cv::Vec3b>(y, x);
			ofColor color = ofColor(mat_color[2], mat_color[1], mat_color[0]);
			this->colors.push_back(color);

			this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5));
		}
	}
}

//--------------------------------------------------------------
void ofApp::update() {


}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();

	int i = 0;
	for (; i < ((ofGetFrameNum() * 50) % this->locations.size()); i++) {

		ofSetColor(this->colors[i]);
		ofDrawRectangle(this->locations[i], this->size, this->size);
	}

	ofDrawSphere(glm::vec3(0, 0, 300), 10);
	ofDrawLine(glm::vec3(0, 0, 300), glm::vec3(this->locations[i], 0));

	this->cam.end();
}

//========================================================================
int main() {

	ofSetupOpenGL(512, 512, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableDepthTest();

ofSetLineWidth(3);

auto mat = cv::imread("lena.png");

this->size = 4;

for (int x = 0; x < mat.cols; x += this->size) {

for (int y = 0; y < mat.rows; y += this->size) {

cv::Vec3b mat_color = mat.at<cv::Vec3b>(y, x);

ofColor color = ofColor(mat_color[2], mat_color[1], mat_color[0]);

this->colors.push_back(color);

this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5));

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

int i = 0;

for (; i < ((ofGetFrameNum() * 50) % this->locations.size()); i++) {

ofSetColor(this->colors[i]);

ofDrawRectangle(this->locations[i], this->size, this->size);

}

ofDrawSphere(glm::vec3(0, 0, 300), 10);

ofDrawLine(glm::vec3(0, 0, 300), glm::vec3(this->locations[i], 0));

this->cam.end();

}

//========================================================================

int main() {

ofSetupOpenGL(512, 512, OF_WINDOW);

ofRunApp(new ofApp());

}

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2018年11月23日

Lollipop. openFrameworks

[ Video ]

[ About ]
Day 23 Lollipop

スパイラルの間隔を変更

Changing spiral spacing.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	void draw_lollipop(glm::vec2 location, float radius);
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void draw_lollipop(glm::vec2 location, float radius);

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofNoFill();
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	int size = 240;
	for (int x = size * 0.5; x < ofGetWidth(); x += size) {

		for (int y = size * 0.5; y < ofGetHeight(); y += size) {

			this->draw_lollipop(glm::vec2(x, y), 100);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_lollipop(glm::vec2 location, float radius) {

	ofPushMatrix();
	ofTranslate(location);

	float r = 0;
	float radius_step = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, 0.04, 0.08);
	float radius_max = radius;
	int deg = 0;

	ofBeginShape();
	while (r < radius_max) {

		ofVertex(r * cos(deg * DEG_TO_RAD), r * sin(deg * DEG_TO_RAD));
		r += radius_step;
		deg++;
	}

	for (int tmp_deg = deg; tmp_deg < deg + 360; tmp_deg++) {

		ofVertex(r * cos(tmp_deg * DEG_TO_RAD), r * sin(tmp_deg * DEG_TO_RAD));
	}
	ofEndShape();

	ofPopMatrix();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofNoFill();

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

int size = 240;

for (int x = size * 0.5; x < ofGetWidth(); x += size) {

for (int y = size * 0.5; y < ofGetHeight(); y += size) {

this->draw_lollipop(glm::vec2(x, y), 100);

}

//--------------------------------------------------------------

void ofApp::draw_lollipop(glm::vec2 location, float radius) {

ofPushMatrix();

ofTranslate(location);

float r = 0;

float radius_step = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, 0.04, 0.08);

float radius_max = radius;

int deg = 0;

ofBeginShape();

while (r < radius_max) {

ofVertex(r * cos(deg * DEG_TO_RAD), r * sin(deg * DEG_TO_RAD));

r += radius_step;

deg++;

}

for (int tmp_deg = deg; tmp_deg < deg + 360; tmp_deg++) {

ofVertex(r * cos(tmp_deg * DEG_TO_RAD), r * sin(tmp_deg * DEG_TO_RAD));

}

ofEndShape();

ofPopMatrix();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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