junkiyoshi – ページ 401 – プログラミング de 落描き

2022年7月21日

Rotate arrow on the circle. Draw by openFrameworks

[ Video ]

[ About ]
円状の矢印を回転させる。

Rotate arrow on the circle.

[ 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) {};

	void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);

	ofEasyCam cam;
	float noise_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 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) {};

void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);

ofEasyCam cam;

float noise_param;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

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

	this->cam.begin();

	float radius = 150;
	for (int deg = 0; deg < 360; deg += 5) {

		auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto arrow_radius = radius * 0.85;

		ofPushMatrix();
		ofTranslate(base_location);
		ofRotateZ(deg + 90);
		ofRotateX(ofGetFrameNum() * 6 + deg * 6);

		this->draw_arrow(glm::vec3(), glm::vec2(0, -arrow_radius), 18, ofColor(0));

		ofPopMatrix();
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

	auto angle = std::atan2(target.y - location.y, target.x - location.x);
	auto distance = glm::distance(target, location);

	if (glm::length(distance) > size * 0.1) {

		ofPushMatrix();
		ofTranslate(target);

		ofSetColor(color);
		ofFill();
		ofBeginShape();
		ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));
		ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));
		ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));
		ofEndShape();

		ofBeginShape();
		ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);
		ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
		ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
		ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);
		ofEndShape();

		ofPopMatrix();
	}

	ofDrawSphere(glm::vec3(location, 0), 5);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() { }

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

void ofApp::draw() {

this->cam.begin();

float radius = 150;

for (int deg = 0; deg < 360; deg += 5) {

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

auto arrow_radius = radius * 0.85;

ofPushMatrix();

ofTranslate(base_location);

ofRotateZ(deg + 90);

ofRotateX(ofGetFrameNum() * 6 + deg * 6);

this->draw_arrow(glm::vec3(), glm::vec2(0, -arrow_radius), 18, ofColor(0));

ofPopMatrix();

}

this->cam.end();

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

auto angle = std::atan2(target.y - location.y, target.x - location.x);

auto distance = glm::distance(target, location);

if (glm::length(distance) > size * 0.1) {

ofPushMatrix();

ofTranslate(target);

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofPopMatrix();

}

ofDrawSphere(glm::vec3(location, 0), 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220721

2022年7月20日

Random walk + sin wave. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォーク + sin波.

Random walk + sin wave.

[ 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) {};

	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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(255);
	ofNoFill();
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(ofMap(sin(ofGetFrameNum() * 2 * DEG_TO_RAD), -1, 1, 255, 285));

	ofDrawRectangle(-300, -300, 600, 600);

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

		vector<glm::vec3> vertices;
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(360));
		for (int k = 0; k < 70; k++) {

			auto x = ofMap(ofNoise(noise_seed.x, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -300, 300);
			auto y = ofMap(ofNoise(noise_seed.y, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -300, 300);
			auto z = ofMap(sin(((int)noise_seed.z + k + ofGetFrameNum()) * 4 * DEG_TO_RAD), -1, 1, -100, 100);

			vertices.push_back(glm::vec3(x, y, z));

			if (z < 3 && z > -3) {

				ofDrawCircle(glm::vec3(x, y, 0), 10);
			}
		}

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

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(255);

ofNoFill();

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofMap(sin(ofGetFrameNum() * 2 * DEG_TO_RAD), -1, 1, 255, 285));

ofDrawRectangle(-300, -300, 600, 600);

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

vector<glm::vec3> vertices;

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(360));

for (int k = 0; k < 70; k++) {

auto x = ofMap(ofNoise(noise_seed.x, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -300, 300);

auto y = ofMap(ofNoise(noise_seed.y, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -300, 300);

auto z = ofMap(sin(((int)noise_seed.z + k + ofGetFrameNum()) * 4 * DEG_TO_RAD), -1, 1, -100, 100);

vertices.push_back(glm::vec3(x, y, z));

if (z < 3 && z > -3) {

ofDrawCircle(glm::vec3(x, y, 0), 10);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(false);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/openframeworks20220720

2022年7月19日

Sphere on the box. Draw by openFrameworks

[ Video ]

[ About ]
箱の上の球体を回転させる。

[ 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) {};

	ofEasyCam cam;

	vector<glm::vec3> location_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 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) {};

ofEasyCam cam;

vector<glm::vec3> location_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(255);
	ofEnableDepthTest();


	int span = 20;
	for (int x = -220; x <= 220; x += span) {

		for (int y = -220; y <= 220; y += span) {

			for (int z = -220; z <= 220; z += 440) {

				this->location_list.push_back(glm::vec3(x, y, z));
			}
		}
	}

	for (int x = -220; x <= 220; x += 440) {

		for (int y = -220; y <= 220; y += span) {

			for (int z = -220 + span; z <= 220 - span; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
			}
		}
	}

	for (int x = -220 + span; x <= 220 - span; x += span) {

		for (int y = -220; y <= 220; y += 440) {

			for (int z = -220 + span; z <= 220 - span; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
			}
		}
	}
}

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


}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.42);
	ofRotateY(ofGetFrameNum() * 0.74);
	
	for (auto location : this->location_list) {
		
		auto noise_value = ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01));

		if (noise_value > 0.55) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

			location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;
			ofDrawSphere(location, 3);
		}
		else {

			ofDrawSphere(location, 3);
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(255);

ofEnableDepthTest();

int span = 20;

for (int x = -220; x <= 220; x += span) {

for (int y = -220; y <= 220; y += span) {

for (int z = -220; z <= 220; z += 440) {

this->location_list.push_back(glm::vec3(x, y, z));

}

for (int x = -220; x <= 220; x += 440) {

for (int y = -220; y <= 220; y += span) {

for (int z = -220 + span; z <= 220 - span; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

}

for (int x = -220 + span; x <= 220 - span; x += span) {

for (int y = -220; y <= 220; y += 440) {

for (int z = -220 + span; z <= 220 - span; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.42);

ofRotateY(ofGetFrameNum() * 0.74);

for (auto location : this->location_list) {

auto noise_value = ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01));

if (noise_value > 0.55) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

ofDrawSphere(location, 3);

}

else {

ofDrawSphere(location, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220719

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