openFrameworks – ページ 173 – プログラミング de 落描き

2022年11月29日

Distorted sphere. Draw by openFrameworks

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[ About ]
歪な球体。

[ 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;

	ofMesh base_mesh, draw_mesh;
};

#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;

ofMesh base_mesh, draw_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();
	//ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	auto ico_sphere = ofIcoSpherePrimitive(250, 3);
	this->base_mesh = ico_sphere.getMesh();
}

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

	ofSeedRandom(39);
	this->draw_mesh = this->base_mesh;

	vector<ofColor> color_list = { ofColor(0, 255, 255, 128) };

	auto noise_seed = ofRandom(1000);
	for (int k = 0; k < color_list.size(); k++) {

		noise_seed += ofRandom(1000);
		int index = 0;
		for (auto& v : this->draw_mesh.getVertices()) {

			for (int i = 0; i < 16; i++) {

				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.001, noise_seed + (ofGetFrameNum() + i) * 0.0015)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.001, noise_seed + (ofGetFrameNum() + i) * 0.0015)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.001, noise_seed + (ofGetFrameNum() + i) * 0.0015)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

			this->draw_mesh.addColor(color_list[k]);
			index++;
		}

	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.6666666666666666);

	this->draw_mesh.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

//ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

auto ico_sphere = ofIcoSpherePrimitive(250, 3);

this->base_mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh = this->base_mesh;

vector<ofColor> color_list = { ofColor(0, 255, 255, 128) };

auto noise_seed = ofRandom(1000);

for (int k = 0; k < color_list.size(); k++) {

noise_seed += ofRandom(1000);

int index = 0;

for (auto& v : this->draw_mesh.getVertices()) {

for (int i = 0; i < 16; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.001, noise_seed + (ofGetFrameNum() + i) * 0.0015)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.001, noise_seed + (ofGetFrameNum() + i) * 0.0015)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.001, noise_seed + (ofGetFrameNum() + i) * 0.0015)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

}

this->draw_mesh.addColor(color_list[k]);

index++;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.6666666666666666);

this->draw_mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221129

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2022年11月28日

Every Day. Draw by openFrameworks

[ Video ]

[ About ]
毎日。

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

	ofBackground(255);
	ofSetColor(0);
	ofFill();
	ofSetLineWidth(1.5);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 90, true, true, true);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int y = -240 + 40; y < ofGetHeight() - 480; y += 120) {

		string word = "Every Day";
		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::vec2(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, y + vertices[vertices_index].y + this->font.stringHeight(word) * 0.5);
					auto len = glm::length(location);

					auto noise_location = glm::normalize(location);

					for (int i = 0; i < 2; i++) {

						auto radius = (ofGetFrameNum() * 8 + i * 300) % 600 + ofMap(ofNoise(glm::vec3(noise_location, ofGetFrameNum() * 0.1)), 0, 1, -30, 30);

						if (len > radius - 35 && len < radius) {

							location = glm::normalize(location) * (radius + 35);
							break;
						}

						if (len < radius + 35 && len > radius) {

							location = glm::normalize(location) * (radius + 35);
							break;
						}
					}

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofSetColor(0);

ofFill();

ofSetLineWidth(1.5);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 90, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int y = -240 + 40; y < ofGetHeight() - 480; y += 120) {

string word = "Every Day";

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::vec2(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, y + vertices[vertices_index].y + this->font.stringHeight(word) * 0.5);

auto len = glm::length(location);

auto noise_location = glm::normalize(location);

for (int i = 0; i < 2; i++) {

auto radius = (ofGetFrameNum() * 8 + i * 300) % 600 + ofMap(ofNoise(glm::vec3(noise_location, ofGetFrameNum() * 0.1)), 0, 1, -30, 30);

if (len > radius - 35 && len < radius) {

location = glm::normalize(location) * (radius + 35);

break;

}

if (len < radius + 35 && len > radius) {

location = glm::normalize(location) * (radius + 35);

break;

}

ofVertex(location);

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221128

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2022年11月27日

Drop rain to sphere. Draw by openFrameworks

[ Video ]

[ About ]
球体に雨を降らせる(色付き)

[ 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);
	ofSetLineWidth(1.2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	//ofRotateX(ofGetFrameNum());
	//ofRotateY(ofGetFrameNum());

	ofColor color;

	ofFill();
	ofSetColor(0);
	ofDrawSphere(245);

	for (int k = 0; k < 250; k++) {

		color.setHsb(ofRandom(255), 180, 255);

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

		auto location = glm::vec3(0, 0, 250);
		auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 2) % 180 - 100;

		if (radius < 0) {

			auto z = ofMap(radius, -100, 0, 1500, 0);

			ofSetColor(color);
		    ofDrawLine(location + glm::vec3(0, 0, z), location + glm::vec3(0, 0, z + 40));
		}
		else {

			ofSetColor(color, radius > 25 ? ofMap(radius, 25, 80, 255, 0) : 255);

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

				auto vertex = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				vertex = glm::normalize(vertex) * 250;

				ofVertex(vertex);
			}
			ofEndShape(true);

			ofSetColor(color, radius > 25 ? ofMap(radius, 25, 80, 32, 0) : 32);

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

				auto vertex = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				vertex = glm::normalize(vertex) * 250;

				ofVertex(vertex);
			}
			ofEndShape(true);
		}

		ofPopMatrix();
	}



	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);

ofSetLineWidth(1.2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

//ofRotateX(ofGetFrameNum());

//ofRotateY(ofGetFrameNum());

ofColor color;

ofFill();

ofSetColor(0);

ofDrawSphere(245);

for (int k = 0; k < 250; k++) {

color.setHsb(ofRandom(255), 180, 255);

ofPushMatrix();

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

auto location = glm::vec3(0, 0, 250);

auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 2) % 180 - 100;

if (radius < 0) {

auto z = ofMap(radius, -100, 0, 1500, 0);

ofSetColor(color);

ofDrawLine(location + glm::vec3(0, 0, z), location + glm::vec3(0, 0, z + 40));

}

else {

ofSetColor(color, radius > 25 ? ofMap(radius, 25, 80, 255, 0) : 255);

ofNoFill();

ofBeginShape();

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

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

vertex = glm::normalize(vertex) * 250;

ofVertex(vertex);

}

ofEndShape(true);

ofSetColor(color, radius > 25 ? ofMap(radius, 25, 80, 32, 0) : 32);

ofFill();

ofBeginShape();

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

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

vertex = glm::normalize(vertex) * 250;

ofVertex(vertex);

}

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221127

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Amazon

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