openframeworks – ページ 45 – プログラミング de 落描き

2023年5月5日

Normalize cube. Draw by openFrameworks

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[ About ]
正方形と球。

[ 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);

	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) {};

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

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetLineWidth(1);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();
}

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

}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum());
	ofRotateX(cos(ofGetFrameNum() * 0.05) * 15);

	float len = 300;
	float span = len * 1.5;
	ofColor color;

	for (int k = 0; k < 4; k++) {

		ofRotateY(90);

		for (int i = 0; i < 20; i++) {

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

				float deg = param * 3.6 - 135;
				float noise_value = ofNoise(k, cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, i * 0.013 + ofGetFrameNum() * 0.02);

				auto location = glm::vec3(this->make_point(len, param), 150);

				if (noise_value > 0.5) {

					vertices.push_back(location);
				}
				else {

					vertices.push_back(glm::normalize(location) * 100);
				}
			}

			color.setHsb(ofMap(i, 0, 15, 0, 255), 255, 200);
			ofSetColor(color);

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

	//ofFill();

	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(30);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(1);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

ofRotateX(cos(ofGetFrameNum() * 0.05) * 15);

float len = 300;

float span = len * 1.5;

ofColor color;

for (int k = 0; k < 4; k++) {

ofRotateY(90);

for (int i = 0; i < 20; i++) {

vector<glm::vec3> vertices;

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

float deg = param * 3.6 - 135;

float noise_value = ofNoise(k, cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, i * 0.013 + ofGetFrameNum() * 0.02);

auto location = glm::vec3(this->make_point(len, param), 150);

if (noise_value > 0.5) {

vertices.push_back(location);

}

else {

vertices.push_back(glm::normalize(location) * 100);

}

color.setHsb(ofMap(i, 0, 15, 0, 255), 255, 200);

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

//ofFill();

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/Insta20230505

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2023年5月4日

Rect or Circle. Draw by openFrameworks

[ Video ]

[ About ]
四角または円。

[ 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(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetLineWidth(1);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float len = 150;
	float span = len * 1.5;
	for (int x = -span; x <= span; x += span) {

		for (int y = -span; y <= span; y += span) {

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

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

					float deg = param * 3.6 - 135;
					float noise_value = ofNoise(x + cos(deg * DEG_TO_RAD) * 0.5, y + sin(deg * DEG_TO_RAD) * 0.5, i * 0.03 + ofGetFrameNum() * 0.02);

					if (noise_value > 0.5) {

						vertices.push_back(glm::vec3(this->make_point(len, param), 0));
					}
					else {

						vertices.push_back(glm::vec3(len * 0.25 * cos(deg * DEG_TO_RAD), len * 0.25 * sin(deg * DEG_TO_RAD), 0));
					}
				}

				for (auto& vertex : vertices) {

					vertex += glm::vec3(x, y, 0);
				}

				color.setHsb(ofMap(i, 0, 15, 0, 255), 255, 200);
				ofSetColor(color);

				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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(1);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float len = 150;

float span = len * 1.5;

for (int x = -span; x <= span; x += span) {

for (int y = -span; y <= span; y += span) {

ofColor color;

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

vector<glm::vec3> vertices;

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

float deg = param * 3.6 - 135;

float noise_value = ofNoise(x + cos(deg * DEG_TO_RAD) * 0.5, y + sin(deg * DEG_TO_RAD) * 0.5, i * 0.03 + ofGetFrameNum() * 0.02);

if (noise_value > 0.5) {

vertices.push_back(glm::vec3(this->make_point(len, param), 0));

}

else {

vertices.push_back(glm::vec3(len * 0.25 * cos(deg * DEG_TO_RAD), len * 0.25 * sin(deg * DEG_TO_RAD), 0));

}

for (auto& vertex : vertices) {

vertex += glm::vec3(x, y, 0);

}

color.setHsb(ofMap(i, 0, 15, 0, 255), 255, 200);

ofSetColor(color);

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/Insta20230504

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Amazon

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2023年5月3日

Circle tornado. Draw by openFrameworks

[ Video ]

[ About ]
円トルネード。

[ 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) {};

	vector<glm::vec2> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_list;
};

#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) {};

vector<glm::vec2> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(1);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->radius_list[i] += this->speed_list[i];

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 60; i++) {

		float deg = (360 - (i * 60 % 360)) + (ofGetFrameNum() * 6) + ofRandom(-15, 15);
		float radius = (ofGetFrameNum() * 3 + (i * 100)) % 600 + ofRandom(-10, 10);
		color.setHsb(ofRandom(255), 255, 200);

		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		this->location_list.push_back(location);
		this->radius_list.push_back(1);
		this->speed_list.push_back(ofRandom(0.5, 3));
		this->max_radius_list.push_back(ofRandom(5, ofMap(radius, 0, 600, 10, 70)));
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int i = 0; i < this->location_list.size(); i++) {

		ofNoFill();
		ofSetColor(this->color_list[i], this->radius_list[i] < this->max_radius_list[i] * 0.75 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.75, this->max_radius_list[i], 255, 0));
		ofDrawCircle(this->location_list[i], this->radius_list[i]);

		ofFill();
		ofSetColor(this->color_list[i], ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30));
		ofDrawCircle(this->location_list[i], this->radius_list[i]);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(1);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->radius_list[i] += this->speed_list[i];

if (this->radius_list[i] > this->max_radius_list[i]) {

this->location_list.erase(this->location_list.begin() + i);

this->radius_list.erase(this->radius_list.begin() + i);

this->speed_list.erase(this->speed_list.begin() + i);

this->max_radius_list.erase(this->max_radius_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

ofColor color;

for (int i = 0; i < 60; i++) {

float deg = (360 - (i * 60 % 360)) + (ofGetFrameNum() * 6) + ofRandom(-15, 15);

float radius = (ofGetFrameNum() * 3 + (i * 100)) % 600 + ofRandom(-10, 10);

color.setHsb(ofRandom(255), 255, 200);

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(ofRandom(0.5, 3));

this->max_radius_list.push_back(ofRandom(5, ofMap(radius, 0, 600, 10, 70)));

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int i = 0; i < this->location_list.size(); i++) {

ofNoFill();

ofSetColor(this->color_list[i], this->radius_list[i] < this->max_radius_list[i] * 0.75 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.75, this->max_radius_list[i], 255, 0));

ofDrawCircle(this->location_list[i], this->radius_list[i]);

ofFill();

ofSetColor(this->color_list[i], ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30));

ofDrawCircle(this->location_list[i], this->radius_list[i]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230503

[ほしいものリスト]
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