openFrameworks – ページ 683 – プログラミング de 落描き

2019年10月7日2019年10月7日

Peeling square. openFrameworks

[ Video ]

[ About ]
剥がれる正方形。

Peeling square.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	auto size = 25;
	for (int i = 0; i < 6; i += 1) {

		if (i < 4) {

			ofRotateY(90);
			for (int x = -150; x < 150; x += size) {

				for (int y = -150; y < 150; y += size) {

					auto location = glm::vec3(x, y, 150);
					float angle = PI * 0.5 * i;
					auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
					auto rotate = 0;
					auto noise_location = glm::vec4(location, 0) * rotation;

					auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.003);
					if (noise_value > 0.6) {

						location += glm::vec3(0, 0, ofMap(noise_value, 0.6, 1, 0, 250));
						rotate = ofMap(noise_value, 0.6, 1, 0, 360 * 3);
					}

					ofPushMatrix();
					ofTranslate(location);
					ofRotateX(rotate);
					ofRotateY(rotate);
					ofRotateZ(rotate);

					ofFill();
					ofSetColor(239);
					ofDrawRectangle(glm::vec2(), size - 1, size - 1);

					ofNoFill();
					ofSetColor(39);
					ofDrawRectangle(glm::vec2(), size, size);

					ofPopMatrix();
				}
			}
		}
		else {

			ofRotateX(i == 4 ? 90 : 180);
			for (int x = -150; x < 150; x += size) {

				for (int y = -150; y < 150; y += size) {

					auto location = glm::vec3(x, y, 150);
					float angle = i == 4 ? PI * 0.5 : PI * 0.5 * 3;
					auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
					auto rotate = 0;
					auto noise_location = glm::vec4(location, 0) * rotation;

					auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.003);
					if (noise_value > 0.6) {

						location += glm::vec3(0, 0, ofMap(noise_value, 0.6, 1, 0, 250));
						rotate = ofMap(noise_value, 0.6, 1, 0, 360 * 3);
					}

					ofPushMatrix();
					ofTranslate(location);
					ofRotateX(rotate);
					ofRotateY(rotate);
					ofRotateZ(rotate);

					ofFill();
					ofSetColor(239);
					ofDrawRectangle(glm::vec2(), size - 1, size - 1);

					ofNoFill();
					ofSetColor(39);
					ofDrawRectangle(glm::vec2(), size, size);

					ofPopMatrix();
				}
			}

		}
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

auto size = 25;

for (int i = 0; i < 6; i += 1) {

if (i < 4) {

ofRotateY(90);

for (int x = -150; x < 150; x += size) {

for (int y = -150; y < 150; y += size) {

auto location = glm::vec3(x, y, 150);

float angle = PI * 0.5 * i;

auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));

auto rotate = 0;

auto noise_location = glm::vec4(location, 0) * rotation;

auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.003);

if (noise_value > 0.6) {

location += glm::vec3(0, 0, ofMap(noise_value, 0.6, 1, 0, 250));

rotate = ofMap(noise_value, 0.6, 1, 0, 360 * 3);

}

ofPushMatrix();

ofTranslate(location);

ofRotateX(rotate);

ofRotateY(rotate);

ofRotateZ(rotate);

ofFill();

ofSetColor(239);

ofDrawRectangle(glm::vec2(), size - 1, size - 1);

ofNoFill();

ofSetColor(39);

ofDrawRectangle(glm::vec2(), size, size);

ofPopMatrix();

}

else {

ofRotateX(i == 4 ? 90 : 180);

for (int x = -150; x < 150; x += size) {

for (int y = -150; y < 150; y += size) {

auto location = glm::vec3(x, y, 150);

float angle = i == 4 ? PI * 0.5 : PI * 0.5 * 3;

auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

auto rotate = 0;

auto noise_location = glm::vec4(location, 0) * rotation;

auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, ofGetFrameNum() * 0.003);

if (noise_value > 0.6) {

location += glm::vec3(0, 0, ofMap(noise_value, 0.6, 1, 0, 250));

rotate = ofMap(noise_value, 0.6, 1, 0, 360 * 3);

}

ofPushMatrix();

ofTranslate(location);

ofRotateX(rotate);

ofRotateY(rotate);

ofRotateZ(rotate);

ofFill();

ofSetColor(239);

ofDrawRectangle(glm::vec2(), size - 1, size - 1);

ofNoFill();

ofSetColor(39);

ofDrawRectangle(glm::vec2(), size, size);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191007

2019年10月6日

Sun. openFrameworks

[ Video ]

[ About ]
ぐるぐる太陽。

Sun.

[ 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) {};

	glm::vec2 make_point(int len, int param);
};

#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) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

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

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

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
 
	int rect_len = ofGetWidth();
	int radius = 120;
	int tmp = rect_len;
	int i = 0;
	int param_start = ofGetFrameNum() * 0.2;
	vector<glm::vec2> vertices;
	for (int param = param_start; param <= param_start + 100; param += 1) {

		auto deg = ofMap(param, 0, 100, 270, 270 + 360);

		if (tmp == rect_len) {

			vertices.push_back(this->make_point(tmp, param));
		}
		else {

			vertices.push_back(glm::vec2(tmp * cos(deg * DEG_TO_RAD), tmp * sin(deg * DEG_TO_RAD)));
		}

		if (i++ % 2 == 0) {

			if (tmp == rect_len) {

				vertices.push_back(this->make_point(rect_len, param));
				vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

				tmp = radius;
			}
			else {

				vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				vertices.push_back(this->make_point(rect_len, param));

				tmp = rect_len;
			}
		}

	}
 
	ofFill();
	ofSetColor(215, 0, 58);
	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);
 
	ofNoFill();
	ofSetColor(39);
	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

int rect_len = ofGetWidth();

int radius = 120;

int tmp = rect_len;

int i = 0;

int param_start = ofGetFrameNum() * 0.2;

vector<glm::vec2> vertices;

for (int param = param_start; param <= param_start + 100; param += 1) {

auto deg = ofMap(param, 0, 100, 270, 270 + 360);

if (tmp == rect_len) {

vertices.push_back(this->make_point(tmp, param));

}

else {

vertices.push_back(glm::vec2(tmp * cos(deg * DEG_TO_RAD), tmp * sin(deg * DEG_TO_RAD)));

}

if (i++ % 2 == 0) {

if (tmp == rect_len) {

vertices.push_back(this->make_point(rect_len, param));

vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

tmp = radius;

}

else {

vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

vertices.push_back(this->make_point(rect_len, param));

tmp = rect_len;

}

ofFill();

ofSetColor(215, 0, 58);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191006

2019年10月5日

Distorted characters. openFrameworks

[ Video ]

[ About ]
歪み文字。

Distorted characters.

[ 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) {};

	ofTrueTypeFont font;
};

#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) {};

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 120, true, true, true);
}

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

}

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


	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	string word = "THANKS";
	auto path_list = font.getStringAsPoints(word, true, false);
	for (auto path : path_list) {

		auto outline = path.getOutline();

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

			if (outline_index != 0) { ofNextContour(true); }

			outline[outline_index] = outline[outline_index].getResampledByCount(300);
			auto vertices = outline[outline_index].getVertices();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				auto location = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5, 0);

				auto angle_z = ofMap(ofNoise(glm::length(location) * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);
				auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
				location = glm::vec4(location, 0) * rotation_z;

				ofVertex(location);
			}
		}
		ofEndShape(true);
	}
}

//--------------------------------------------------------------
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);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 120, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

string word = "THANKS";

auto path_list = font.getStringAsPoints(word, true, false);

for (auto path : path_list) {

auto outline = path.getOutline();

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

outline[outline_index] = outline[outline_index].getResampledByCount(300);

auto vertices = outline[outline_index].getVertices();

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

auto location = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5, 0);

auto angle_z = ofMap(ofNoise(glm::length(location) * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -PI, PI);

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

location = glm::vec4(location, 0) * rotation_z;

ofVertex(location);

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191005

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