openframeworks – ページ 657 – プログラミング de 落描き

2018年3月17日2018年3月16日

UnknownBall openFrameworks

[ Video ]

[ About ]
思いつくままにコーディングしていたら、良く分からないものが出来上がりました。これは何でしょう？

ソースコードのハイライトは、色が異なる面が重なると描写が乱れるので、ofTranslate(point * -0.001)という超小手先の対応で何とかしている所。

[ 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) {};

	ofEasyCam cam;
	ofIcoSpherePrimitive icoSphere;
};

#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) {};

ofEasyCam cam;

ofIcoSpherePrimitive icoSphere;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(239);
	ofSetWindowTitle("Insta");
	ofEnableDepthTest();

	this->icoSphere.setRadius(250);
	this->icoSphere.setResolution(2);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.1);
	ofRotateY(ofGetFrameNum() * 0.25);

	vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces();
	for (int i = 0; i < triangles.size(); i++) {

		ofPoint avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		float noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.05);

		for (float roop_noise = 1.f; roop_noise > noise_value; roop_noise -= 0.2f) {

			ofMesh mesh;
			for (int v_index = 0; v_index < 3; v_index++) {

				ofPoint point = triangles[i].getVertex(v_index) - avg;
				mesh.addVertex(point * roop_noise);
			}

			ofPushMatrix();
			ofTranslate(avg);

			ofSetColor(239);
			mesh.drawWireframe();

			if (roop_noise == 1.f) {

				ofTranslate(avg * -0.001);
				ofSetColor(39);
				mesh.drawFaces();
			}
			else if (roop_noise - 0.2f < noise_value) {
			
				ofSetColor(239);
				mesh.drawFaces();
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

this->icoSphere.setRadius(250);

this->icoSphere.setResolution(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.1);

ofRotateY(ofGetFrameNum() * 0.25);

vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces();

for (int i = 0; i < triangles.size(); i++) {

ofPoint avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

float noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.05);

for (float roop_noise = 1.f; roop_noise > noise_value; roop_noise -= 0.2f) {

ofMesh mesh;

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

ofPoint point = triangles[i].getVertex(v_index) - avg;

mesh.addVertex(point * roop_noise);

}

ofPushMatrix();

ofTranslate(avg);

ofSetColor(239);

mesh.drawWireframe();

if (roop_noise == 1.f) {

ofTranslate(avg * -0.001);

ofSetColor(39);

mesh.drawFaces();

}

else if (roop_noise - 0.2f < noise_value) {

ofSetColor(239);

mesh.drawFaces();

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180316

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2018年3月16日2018年7月3日

もじおらまアクアリウム openFrameworks

[ Video ]

[ About ]
Twitterで文字列を触っている方がいたので、自分も久しぶりにフォントで遊んでみました。自分的には結構、お気に入り。

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofFbo.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) {};

	ofEasyCam cam;
	ofTrueTypeFont font;

	void draw_water();
	void draw_sand();
	void draw_fish(ofPoint location);
};

#pragma once

#include "ofMain.h"

#include "ofFbo.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) {};

ofEasyCam cam;

ofTrueTypeFont font;

void draw_water();

void draw_sand();

void draw_fish(ofPoint location);

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofEnableDepthTest();
	this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 50, true, false, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);

	this->draw_water();
	this->draw_sand();
	for (int i = 0; i < 15; i++) {

		float param_1 = ofRandom(1000);
		float param_2 = ofRandom(0.005, 0.008);
		this->draw_fish(ofPoint(
			ofMap(ofNoise(param_1 * 0.1, ofGetFrameNum() * param_2), 0, 1, -ofGetWidth() / 2, ofGetWidth() /2),
			ofMap(ofNoise(param_1 * 0.3, ofGetFrameNum() * param_2), 0, 1, -ofGetHeight() / 2, ofGetHeight() / 2),
			ofMap(ofNoise(param_1 * 0.9, ofGetFrameNum() * param_2), 0, 1, 100, ofGetHeight() - 100)
		));
	}

	this->cam.end();
}

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

	ofSetColor(0, 0, 139);

	std::string words = "Water";
	ofPoint words_size = ofPoint(this->font.stringWidth(words), this->font.stringHeight(words));
	std::vector<ofTTFCharacter> paths = this->font.getStringAsPoints(words);

	for (int x = -ofGetWidth() / 2; x < ofGetWidth() / 2; x += words_size.x) {

		for (int y = -ofGetHeight() / 2; y < ofGetHeight() / 2; y += words_size.y) {

			ofPoint words_center(x + words_size.x / 2, y - words_size.y / 2);

			for (int p_index = 0; p_index < paths.size(); p_index++) {

				vector<ofPolyline> outline = paths[p_index].getOutline();

				std::vector<ofPoint> points;
				for (int o_index = 0; o_index < outline.size(); o_index++) {

					if (o_index > 0) {

						ofNextContour(true);
					}

					outline[o_index] = outline[o_index].getResampledBySpacing(1);
					vector<ofPoint> vertices = outline[o_index].getVertices();
					for (int v_index = 0; v_index < vertices.size(); v_index++) {

						ofPoint point = vertices[v_index] - words_center;
						float z = ofMap(ofNoise(point.x * 0.005, point.y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 80);
						points.push_back(point + ofPoint(0, 0, z));
					}
				}

				if (points.size() > 0) {

					ofBeginShape();
					ofVertices(points);
					ofEndShape(true);
				}
			}
		}
	}
}

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

	ofSetColor(39, 0, 0);

	std::string words = "Sand";
	ofPoint words_size = ofPoint(this->font.stringWidth(words), this->font.stringHeight(words));
	std::vector<ofTTFCharacter> paths = this->font.getStringAsPoints(words);

	for (int x = -ofGetWidth() / 2; x < ofGetWidth() / 2; x += words_size.x) {

		for (int y = -ofGetHeight() / 2; y < ofGetHeight() / 2; y += words_size.y) {

			ofPoint words_center(x + words_size.x / 2, y - words_size.y / 2);

			for (int p_index = 0; p_index < paths.size(); p_index++) {

				vector<ofPolyline> outline = paths[p_index].getOutline();

				std::vector<ofPoint> points;
				for (int o_index = 0; o_index < outline.size(); o_index++) {

					if (o_index > 0) {

						ofNextContour(true);
					}

					outline[o_index] = outline[o_index].getResampledBySpacing(1);
					vector<ofPoint> vertices = outline[o_index].getVertices();
					for (int v_index = 0; v_index < vertices.size(); v_index++) {

						ofPoint point = vertices[v_index] - words_center;
						float z = ofMap(ofNoise(point.x * 0.001, point.y * 0.001), 0, 1, 0, 80) + ofGetHeight();
						points.push_back(point + ofPoint(0, 0, z));
					}
				}

				if (points.size() > 0) {

					ofBeginShape();
					ofVertices(points);
					ofEndShape(true);
				}
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_fish(ofPoint location) {

	ofPushMatrix();
	ofTranslate(location);
	ofRotateX(90);

	std::string words = "Fish";
	ofPoint words_size = ofPoint(this->font.stringWidth(words), this->font.stringHeight(words));
	std::vector<ofTTFCharacter> paths = this->font.getStringAsPoints(words);

	ofColor fish_color;
	fish_color.setHsb(ofRandom(255), 239, 239);
	ofSetColor(fish_color);

	for (int p_index = 0; p_index < paths.size(); p_index++) {

		vector<ofPolyline> outline = paths[p_index].getOutline();

		std::vector<ofPoint> points;
		for (int o_index = 0; o_index < outline.size(); o_index++) {

			if (o_index > 0) {

				ofNextContour(true);
			}

			outline[o_index] = outline[o_index].getResampledBySpacing(1);
			vector<ofPoint> vertices = outline[o_index].getVertices();
			for (int v_index = 0; v_index < vertices.size(); v_index++) {

				points.push_back(vertices[v_index]);
			}
		}

		if (points.size() > 0) {

			ofBeginShape();
			ofVertices(points);
			ofEndShape(true);
		}
	}

	ofPopMatrix();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 50, true, false, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

this->draw_water();

this->draw_sand();

for (int i = 0; i < 15; i++) {

float param_1 = ofRandom(1000);

float param_2 = ofRandom(0.005, 0.008);

this->draw_fish(ofPoint(

ofMap(ofNoise(param_1 * 0.1, ofGetFrameNum() * param_2), 0, 1, -ofGetWidth() / 2, ofGetWidth() /2),

ofMap(ofNoise(param_1 * 0.3, ofGetFrameNum() * param_2), 0, 1, -ofGetHeight() / 2, ofGetHeight() / 2),

ofMap(ofNoise(param_1 * 0.9, ofGetFrameNum() * param_2), 0, 1, 100, ofGetHeight() - 100)

));

}

this->cam.end();

}

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

void ofApp::draw_water() {

ofSetColor(0, 0, 139);

std::string words = "Water";

ofPoint words_size = ofPoint(this->font.stringWidth(words), this->font.stringHeight(words));

std::vector<ofTTFCharacter> paths = this->font.getStringAsPoints(words);

for (int x = -ofGetWidth() / 2; x < ofGetWidth() / 2; x += words_size.x) {

for (int y = -ofGetHeight() / 2; y < ofGetHeight() / 2; y += words_size.y) {

ofPoint words_center(x + words_size.x / 2, y - words_size.y / 2);

for (int p_index = 0; p_index < paths.size(); p_index++) {

vector<ofPolyline> outline = paths[p_index].getOutline();

std::vector<ofPoint> points;

for (int o_index = 0; o_index < outline.size(); o_index++) {

if (o_index > 0) {

ofNextContour(true);

}

outline[o_index] = outline[o_index].getResampledBySpacing(1);

vector<ofPoint> vertices = outline[o_index].getVertices();

for (int v_index = 0; v_index < vertices.size(); v_index++) {

ofPoint point = vertices[v_index] - words_center;

float z = ofMap(ofNoise(point.x * 0.005, point.y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 80);

points.push_back(point + ofPoint(0, 0, z));

}

if (points.size() > 0) {

ofBeginShape();

ofVertices(points);

ofEndShape(true);

}

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

void ofApp::draw_sand() {

ofSetColor(39, 0, 0);

std::string words = "Sand";

ofPoint words_size = ofPoint(this->font.stringWidth(words), this->font.stringHeight(words));

std::vector<ofTTFCharacter> paths = this->font.getStringAsPoints(words);

for (int x = -ofGetWidth() / 2; x < ofGetWidth() / 2; x += words_size.x) {

for (int y = -ofGetHeight() / 2; y < ofGetHeight() / 2; y += words_size.y) {

ofPoint words_center(x + words_size.x / 2, y - words_size.y / 2);

for (int p_index = 0; p_index < paths.size(); p_index++) {

vector<ofPolyline> outline = paths[p_index].getOutline();

std::vector<ofPoint> points;

for (int o_index = 0; o_index < outline.size(); o_index++) {

if (o_index > 0) {

ofNextContour(true);

}

outline[o_index] = outline[o_index].getResampledBySpacing(1);

vector<ofPoint> vertices = outline[o_index].getVertices();

for (int v_index = 0; v_index < vertices.size(); v_index++) {

ofPoint point = vertices[v_index] - words_center;

float z = ofMap(ofNoise(point.x * 0.001, point.y * 0.001), 0, 1, 0, 80) + ofGetHeight();

points.push_back(point + ofPoint(0, 0, z));

}

if (points.size() > 0) {

ofBeginShape();

ofVertices(points);

ofEndShape(true);

}

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

void ofApp::draw_fish(ofPoint location) {

ofPushMatrix();

ofTranslate(location);

ofRotateX(90);

std::string words = "Fish";

ofPoint words_size = ofPoint(this->font.stringWidth(words), this->font.stringHeight(words));

std::vector<ofTTFCharacter> paths = this->font.getStringAsPoints(words);

ofColor fish_color;

fish_color.setHsb(ofRandom(255), 239, 239);

ofSetColor(fish_color);

for (int p_index = 0; p_index < paths.size(); p_index++) {

vector<ofPolyline> outline = paths[p_index].getOutline();

std::vector<ofPoint> points;

for (int o_index = 0; o_index < outline.size(); o_index++) {

if (o_index > 0) {

ofNextContour(true);

}

outline[o_index] = outline[o_index].getResampledBySpacing(1);

vector<ofPoint> vertices = outline[o_index].getVertices();

for (int v_index = 0; v_index < vertices.size(); v_index++) {

points.push_back(vertices[v_index]);

}

if (points.size() > 0) {

ofBeginShape();

ofVertices(points);

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180315

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2018年3月15日2018年3月14日

200度の四角を沢山書く openFrameworks

[ Video ]

[ About ]
200度の四角形を書いて、以前作成したねじれC openFrameworksの方法でズラシてみました。

この一部が欠けた四角形を描写するロジック、スマートな方法が思いつかずドロ臭い方法で実装となりました。無念。

[ Source ]

#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) {};
};

#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) {};

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

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

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	for (int len = 10; len < 350; len += 10) {

		int noise_deg = ofNoise(len * 0.005 - ofGetFrameNum() * 0.01) * 720;

		ofBeginShape();
		for (int deg = noise_deg; deg <= noise_deg + 200; deg++) {

			int param = (deg + 45) / 90;
			ofPoint point;

			switch (param % 4) {

			case 0:

				ofVertex(ofPoint(len, ofMap((deg + 45) % 90, 0, 89, -len, len)));
				break;
			case 1:

				ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, len, -len), len));
				break;
			case 2:

				ofVertex(ofPoint(-len, ofMap((deg + 45) % 90, 0, 89, len, -len)));
				break;
			case 3:

				ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, -len, len), -len));
				break;
			}

		}
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(39);

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

for (int len = 10; len < 350; len += 10) {

int noise_deg = ofNoise(len * 0.005 - ofGetFrameNum() * 0.01) * 720;

ofBeginShape();

for (int deg = noise_deg; deg <= noise_deg + 200; deg++) {

int param = (deg + 45) / 90;

ofPoint point;

switch (param % 4) {

case 0:

ofVertex(ofPoint(len, ofMap((deg + 45) % 90, 0, 89, -len, len)));

break;

case 1:

ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, len, -len), len));

break;

case 2:

ofVertex(ofPoint(-len, ofMap((deg + 45) % 90, 0, 89, len, -len)));

break;

case 3:

ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, -len, len), -len));

break;

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180314

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