openframeworks – ページ 470 – プログラミング de 落描き

2019年10月2日

Soft square. openFrameworks

[ Video ]

[ About ]
ぐにゃぐにゃ正方形。

Soft 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;

	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) {};

ofEasyCam cam;

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

};

#include "ofApp.h"	

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

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

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

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

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	for (int len = 50; len <= 400; len += 50) {

		vector<glm::vec3> vertices;
		for (int param = 0; param < 100; param++) {

			auto location = glm::vec3(this->make_point(len, param), 0);
			auto len = glm::length(location);

			auto angle_x = ofMap(sin(len * 0.01 + ofGetFrameNum() * 0.01), -1, 1, -PI * 0.25, PI * 0.25);
			auto angle_y = ofMap(sin(len * 0.01 + ofGetFrameNum() * 0.01), -1, 1, -PI * 0.25, PI * 0.25);

			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			location = glm::vec4(location, 0) * rotation_y * rotation_x;

			vertices.push_back(location);
		}

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

	this->cam.end();
}

//--------------------------------------------------------------
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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

for (int len = 50; len <= 400; len += 50) {

vector<glm::vec3> vertices;

for (int param = 0; param < 100; param++) {

auto location = glm::vec3(this->make_point(len, param), 0);

auto len = glm::length(location);

auto angle_x = ofMap(sin(len * 0.01 + ofGetFrameNum() * 0.01), -1, 1, -PI * 0.25, PI * 0.25);

auto angle_y = ofMap(sin(len * 0.01 + ofGetFrameNum() * 0.01), -1, 1, -PI * 0.25, PI * 0.25);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

location = glm::vec4(location, 0) * rotation_y * rotation_x;

vertices.push_back(location);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

}

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

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/Insta20191002

2019年10月1日2019年10月1日

Bend. openFrameworks

[ Video ]

[ About ]
折り曲げる。

Bend.

[ 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;

	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) {};

ofEasyCam cam;

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

};

#include "ofApp.h"	

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

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

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

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

}

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

	this->cam.begin();
	ofRotateX(285);

	ofFill();
	ofSetColor(39);
	ofDrawSphere(glm::vec3(), 60);

	int width = 40;
	for (int len = 150; len < 320; len += width * 2) {

		for (int param = 0; param < 100; param++) {

			auto noise_location = this->make_point(len, param);
			auto next_noise_location = this->make_point(len, param + 1);

			int z = ofMap(ofNoise(noise_location.x * 0.0045, noise_location.y * 0.0045, ofGetFrameNum() * 0.005), 0, 1, -50, 50);
			int next_z = ofMap(ofNoise(next_noise_location.x * 0.0045, next_noise_location.y * 0.0045, ofGetFrameNum() * 0.005), 0, 1, -50, 50);

			z = (z / 10) * 10;
			next_z = (next_z / 10) * 10;

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(this->make_point(len - width * 0.5, param), z));
			vertices.push_back(glm::vec3(this->make_point(len + width * 0.5, param), z));
			vertices.push_back(glm::vec3(this->make_point(len + width * 0.5, param + 1), next_z));
			vertices.push_back(glm::vec3(this->make_point(len - width * 0.5, param + 1), next_z));

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(285);

ofFill();

ofSetColor(39);

ofDrawSphere(glm::vec3(), 60);

int width = 40;

for (int len = 150; len < 320; len += width * 2) {

for (int param = 0; param < 100; param++) {

auto noise_location = this->make_point(len, param);

auto next_noise_location = this->make_point(len, param + 1);

int z = ofMap(ofNoise(noise_location.x * 0.0045, noise_location.y * 0.0045, ofGetFrameNum() * 0.005), 0, 1, -50, 50);

int next_z = ofMap(ofNoise(next_noise_location.x * 0.0045, next_noise_location.y * 0.0045, ofGetFrameNum() * 0.005), 0, 1, -50, 50);

z = (z / 10) * 10;

next_z = (next_z / 10) * 10;

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(len - width * 0.5, param), z));

vertices.push_back(glm::vec3(this->make_point(len + width * 0.5, param), z));

vertices.push_back(glm::vec3(this->make_point(len + width * 0.5, param + 1), next_z));

vertices.push_back(glm::vec3(this->make_point(len - width * 0.5, param + 1), next_z));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

}

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

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/Insta20191001

2019年9月30日2019年9月30日

Rotating piece. openFrameworks

[ Video ]

[ About ]
回転する帯。

Rotating piece.

[ 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;
	vector<ofColor> color_list;

	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) {};

ofEasyCam cam;

vector<ofColor> color_list;

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

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	ofColor color;
	vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->color_list.push_back(color);
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotate(ofGetFrameNum() * 0.5);
	
	int depth = 15;
	int color_index = 0;
	for (auto len = 30; len <= 300; len += 15) {

		ofSetColor(this->color_list[(color_index++) % this->color_list.size()]);

		ofPushMatrix();
		ofRotateZ(ofRandom(360));
		ofRotateY(ofRandom(360));
		ofRotateX(ofRandom(360));

		int param_start = ofRandom(1000) + ofGetFrameNum();
		for (int param = param_start; param < param_start + 30; param++) {

			ofBeginShape();
			ofVertex(glm::vec3(this->make_point(len, param), depth * 0.5));
			ofVertex(glm::vec3(this->make_point(len, param + 1), depth * 0.5));
			ofVertex(glm::vec3(this->make_point(len, param + 1), depth * -0.5));
			ofVertex(glm::vec3(this->make_point(len, param), depth * -0.5));
			ofEndShape(true);
		}

		ofPopMatrix();
	}

	this->cam.end();
}

//--------------------------------------------------------------
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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableDepthTest();

ofColor color;

vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

for (auto hex : hex_list) {

color.setHex(hex);

this->color_list.push_back(color);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotate(ofGetFrameNum() * 0.5);

int depth = 15;

int color_index = 0;

for (auto len = 30; len <= 300; len += 15) {

ofSetColor(this->color_list[(color_index++) % this->color_list.size()]);

ofPushMatrix();

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

int param_start = ofRandom(1000) + ofGetFrameNum();

for (int param = param_start; param < param_start + 30; param++) {

ofBeginShape();

ofVertex(glm::vec3(this->make_point(len, param), depth * 0.5));

ofVertex(glm::vec3(this->make_point(len, param + 1), depth * 0.5));

ofVertex(glm::vec3(this->make_point(len, param + 1), depth * -0.5));

ofVertex(glm::vec3(this->make_point(len, param), depth * -0.5));

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

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/Insta20190930

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